Freezing Dates

The IEM processed "climodat" archive is used to list out the first dates after 1 August that a given site first dipped below 32°F and 28°F. The dates when those events occurred are shown. The second set of columns print out the fall day of the year that the climatology dips below the given threshold.

Only the August through March period is considered for this analysis. There is currently a data processing bug whereby the year of the first dates are not shown for all sites. This will be fixed over the coming days.

Select Network:
ID Climodat Site: Min Low: First Date with Observed Below: First Date with Average Below:
Temp <= 32°F Temp <= 28°F Below 40°F Below 32°F Below 28°F
Temp: Date: Temp: Date:
IA1461 CHESTER -19 30 {1902}-09-12 26 {1902}-09-13 09-07 09-12 09-13
IA6760 PORTSMOUTH -18 32 {1896}-09-19 25 {1896}-10-18 09-19 09-20 11-02
IA6086 NORTH MCGREGOR -24 30 {1896}-09-20 26 {1896}-10-07 09-20 09-20 11-06
IA6969 REINBECK 2 W -20 32 {1896}-09-20 28 {1896}-10-07 09-19 09-28 10-18
IA1472 CHILLICOTHE -8 26 {1899}-09-29 26 {1899}-09-29 09-26 09-29 09-29
IA7887 STACEYVILLE -23 31 {1941}-09-29 27 {1941}-10-27 09-26 09-29 10-27
IA5193 MARSHALLTOWN 1 -24 28 {1948}-10-04 28 {1948}-10-04 09-27 10-04 10-17
IA8147 TARA -31 23 {1899}-09-29 23 {1899}-09-29 09-29 10-06 10-31
IA8870 WEST UNION 5 NW -24 30 {2001,2000}-10-06 27 {2000}-10-07 09-24 10-07 11-17
IA5341 MECHANICSVILLE -10 30 {1896}-10-07 24 {1896}-10-18 09-19 10-07 10-18
IA5270 MATLOCK -32 29 {1916}-09-15 26 {1916}-09-29 09-28 10-08 10-10
IA5882 NEVADA -17 32 {1907}-09-25 24 {1906}-10-10 10-10 10-11 10-28
IA8756 WAUKON 4SW -43 29 {2018}-09-29 25 {2018}-10-12 09-29 10-12 10-12
IA0366 ATLANTIC NEAR -16 31 {1896}-09-28 26 {1896}-10-18 10-06 10-16 10-18
IA8169 TERRIL -24 28 {1942}-09-24 28 {1942}-09-24 09-20 10-16 10-26
IA4637 LARCHWOOD -36 27 {1902}-09-12 27 {1902}-09-12 09-17 10-17 11-05
IA0940 BRUNSVILLE -15 32 {2010}-10-17 27 {2010}-10-28 10-02 10-19 10-28
IA5880 NEOLA -16 32 {1896}-09-18 28 {1896}-10-05 10-05 10-19 11-02
IA3985 HUMBOLDT 2 -27 30 {1991}-09-19 25 {1987}-10-03 10-03 10-19 11-06
IA0089 AKRON 11E -15 32 {2011}-09-15 27 {2012}-10-05 09-23 10-20 10-31
IA4109 IOWA CITY (MRS HOBBY) -18 30 {1896}-09-20 26 {1896}-10-18 09-20 10-21 11-06
IA0262 ANTHON -23 30 {1943}-09-20 28 {1942}-09-24 10-09 10-22 10-26
IA6291 ORLEANS -30 29 {1935}-09-27 20 {1935}-10-04 10-06 10-22 10-22
IA2896 FLORENCE -29 29 {1904}-10-06 28 {1905}-10-12 10-11 10-23 10-27
IA3590 HANCOCK 7SE -14 31 {2006}-10-11 27 {2006}-10-12 10-11 10-23 11-01
IA0209 AMES EXPERIMENT STATION -25 29 {1896}-09-19 28 {1896}-10-06 09-27 10-24 10-29
IA7717 SIOUX CITY HWY 77 BRG -29 31 {2020}-10-02 28 {2019}-10-12 10-12 10-24 10-31
IA7572 SHEFFIELD 3 NW -26 30 {1951}-09-28 27 {1949}-09-29 09-24 10-24 11-10
IA7410 SARATOGA 2 E -40 32 {1964}-08-14 27 {1955}-09-11 09-28 10-24 11-03
IA6975 REMSEN -22 28 {1951}-09-28 28 {1951}-09-28 09-28 10-24 11-10
IA5206 MARSHALLTOWN #2 -14 32 {1949}-09-24 27 {1949}-09-29 09-29 10-24 11-21
IA5872 NASHUA 2 NW -25 28 {1949}-09-29 28 {1949}-09-29 09-24 10-25 11-03
IA2173 DENISON SCS -21 32 {1943}-09-20 28 {1942}-09-24 09-24 10-26 10-26
IA7738 SLOAN -24 30 {1943}-09-20 28 {1942}-09-24 10-09 10-26 11-09
IA5608 MONDAMIN -23 31 {1943}-09-20 28 {1942}-09-24 10-22 10-26 11-09
IA3910 HOLSTEIN 5 NNW -27 30 {2020}-10-02 28 {2019}-10-12 10-08 10-27 10-31
IA0512 BATTLE CREEK 3NE -35 32 {2014}-09-13 24 {2012}-09-23 10-07 10-27 10-31
IAKSPW Spencer Airport -37 -1 {2010}-08-16 -1 {2010}-08-16 10-10 10-27 11-10
IA8852 WEST BEND -36 30 {1908}-09-01 26 {1929}-09-18 10-12 10-27 11-08
IA7840 SPENCER -28 31 {2007,2011}-09-15 27 {2003}-10-01 10-12 10-27 11-11
IA7147 ROCK-RAPIDS -40 31 {1974}-09-03 26 {1894}-09-10 10-08 10-27 11-05
IA6976 REMSEN NO. 2 -27 32 {2011}-09-15 28 {2012}-10-05 10-12 10-27 11-11
IA6698 PLOVER -36 32 {1902}-09-04 26 {1902}-09-12 10-09 10-27 11-02
IA6196 ODEBOLT -35 30 {1902}-09-12 26 {1913}-09-22 10-11 10-27 11-11
IA5664 MONTICELLO -30 32 {1902}-09-12 28 {1893}-09-26 10-07 10-27 11-03
IA5496 MILFORD 3 W -28 31 {2007}-09-15 26 {2003}-10-01 10-09 10-27 11-10
IA2725 ESTHERVILLE MUNICIPAL AP -32 31 {2014}-09-13 28 {2007}-09-15 10-10 10-27 11-10
IA3107 GALVA -41 24 {1902}-09-04 24 {1902}-09-04 10-08 10-27 11-09
IA3600 HANLONTOWN -31 32 {1903}-09-24 24 {1904}-10-06 10-05 10-27 10-27
IA1005 BUCKINGHAM -31 32 {1902}-09-13 27 {1908}-09-29 10-12 10-28 11-12
IA2212 DE SOTO -32 32 {1907}-09-25 26 {1908,1899}-09-29 10-12 10-28 11-14
IA2355 DOWS -32 31 {1902}-09-12 28 {1897}-09-20 10-11 10-28 11-09
IA0175 ALTA NEAR -36 31 {1902}-09-12 27 {1918}-09-20 10-12 10-28 11-11
IA9168 WOODBURN -33 30 {1910}-09-10 27 {1908}-09-28 10-12 10-28 11-12
IA9000 WHITTEN -35 31 {1902}-09-12 25 {1913}-09-22 10-19 10-28 11-11
IA7892 STANLEY -36 32 {2025}-09-07 26 {2012}-09-23 10-13 10-28 11-11
IA7664 SIBLEY-5-NNE -40 30 {1950}-08-20 23 {1955}-09-11 10-07 10-28 11-06
IA7594 Sheldon -38 32 {1974}-09-03 28 {1902}-09-12 10-09 10-28 11-08
IA7035 RIDGEWAY -35 32 {1903}-09-18 28 {1907}-09-25 10-12 10-28 11-11
IA6273 ORANGE CITY -26 31 {2011}-09-15 28 {2012}-10-05 10-12 10-28 10-31
IA5290 MAXON -28 31 {1895}-10-08 23 {1895}-10-09 10-09 10-28 10-29
IA4874 LITTLE SIOUX 2NW -31 31 {2007}-09-15 27 {2012}-09-23 10-08 10-28 11-11
IA4087 INWOOD 2 SW -46 30 {1940}-09-11 27 {1902}-09-12 10-12 10-28 11-08
IA2630 ELLIOTT -35 29 {1913}-09-22 25 {1915}-10-09 10-11 10-28 11-12
IA3434 GREENE -29 32 {1902}-09-13 25 {1908}-09-29 10-11 10-28 11-11
IA0210 AMES SOUTHEAST -26 25 {1899}-09-29 25 {1899}-09-29 10-06 10-29 11-02
IA2724 Estherville 4E -38 32 {1924}-09-09 27 {1929}-09-18 10-09 10-29 11-08
IA3019 FREDERICKSBURG -14 32 {1898}-10-06 27 {1897}-10-09 10-06 10-29 11-02
IA3278 GLADBROOK -26 26 {1899}-09-29 26 {1899}-09-29 10-06 10-29 11-02
IA7526 SEYMOUR -15 30 {1896}-10-07 28 {1896}-10-18 09-20 10-30 11-09
IA6044 NORA SPRINGS -29 30 {1918}-09-21 25 {1913}-09-22 10-19 10-30 11-09
IA1651 CLIO 4 NW -26 30 {1995}-09-22 28 {1993}-10-10 10-10 10-31 11-04
IATSPW Spencer Area -38 -1 {2010}-08-16 -1 {2010}-08-16 10-09 10-31 11-08
IA8410 UNDERWOOD -27 32 {2012}-09-23 28 {2004}-10-02 10-13 10-31 11-11
IA7844 Spencer -38 31 {1974}-09-03 28 {2007}-09-15 10-09 10-31 11-08
IA7702 SIOUX CITY ANG -26 31 {2012}-09-23 20 {2004}-10-02 10-13 10-31 11-10
IA7167 ROCKWELL CITY NO. 2 -26 32 {2007}-09-15 25 {2003}-10-02 10-13 10-31 11-11
IA7152 ROCK VALLEY -27 31 {2011}-09-15 28 {1995}-09-22 10-13 10-31 11-10
IA5811 MOUNT VERNON -26 31 {1896}-09-20 21 {1899}-09-30 10-06 10-31 11-06
IA4820 LINN GROVE -27 31 {2011,2007}-09-15 27 {2003}-10-01 10-14 10-31 11-11
IA3946 HORNICK 1 E -20 31 {2012}-09-23 28 {2004}-10-02 10-14 10-31 11-20
IA0612 BELMOND -37 32 {1923}-09-14 26 {1929}-09-18 10-17 11-01 11-11
IA1126 CALMAR NE -32 32 {2007,2011}-09-15 27 {2012}-10-07 10-13 11-01 11-12
IA1442 CHEROKEE -35 31 {1974}-09-03 27 {1955}-09-11 10-09 11-01 11-07
IA2041 Dakota City -25 31 {2011,2007}-09-15 24 {2003}-10-02 10-13 11-01 11-11
IA2070 DAVENPORT WFO -27 30 {2012}-09-23 27 {2012}-10-05 10-16 11-01 11-12
IATMCW Mason City Area -35 30 {1915}-08-30 28 {1923}-09-14 10-10 11-01 11-09
IA8867 WEST UNION 3SE -27 32 {2007}-09-15 22 {2003}-10-02 10-15 11-01 11-23
IA8341 TRIPOLI 2N -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-12
IA8026 SWEA CITY 4 W -32 32 {1974}-09-03 26 {1974}-09-22 10-10 11-01 11-10
IA7596 SHELDON 1 N -17 32 {2007}-09-15 27 {2003}-10-01 09-28 11-01 11-11
IA7386 SANBORN -35 32 {1974}-09-03 25 {1929}-09-18 10-13 11-01 11-08
IA6719 POCAHONTAS -36 31 {1946}-09-02 27 {1929}-09-18 10-16 11-01 11-10
IA6199 OELWEIN 1E -33 32 {2011}-09-15 28 {2012}-10-05 10-14 11-01 11-12
IA5876 NASHUA 2 SW -31 31 {2007}-09-15 22 {2003}-10-02 10-13 11-01 11-12
IA4963 LOWDEN -37 32 {2014}-09-13 26 {2012}-09-24 10-16 11-01 11-12
IA4735 Le Mars -37 31 {1955}-09-11 28 {1902}-09-12 10-16 11-01 11-10
IA4644 LARRABEE -38 29 {1902}-09-12 28 {1896}-09-19 10-12 11-01 11-08
IA4624 LANSING 4SE -28 32 {2007}-09-15 22 {2003}-10-02 10-15 11-01 11-23
IA4561 LAKE PARK -38 30 {1940}-09-12 28 {1916}-09-15 10-12 11-01 11-08
IA4229 JEFFERSON 2 S -25 32 {2007}-09-15 26 {2003}-10-02 10-15 11-01 11-11
IA4094 IONIA 2 W -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-11
IA2638 ELMA -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-11
IA2960 FONDA -30 25 {1900}-09-16 25 {1900}-09-16 09-20 11-01 11-07
IA3115 GARDEN GROVE -24 30 {1896}-09-20 28 {1896}-10-07 10-06 11-01 11-05
IA3718 HAWARDEN -33 32 {2013}-09-02 24 {1991}-09-19 10-14 11-01 11-07
IA0364 ATLANTIC-1-NE -37 30 {1893}-09-02 28 {1902,1955}-09-12 10-17 11-02 11-11
IA0385 AUDUBON -35 30 {1955,1902}-09-12 27 {1896}-09-19 10-17 11-02 11-11
IA0463 BANCROFT -35 32 {1902}-09-13 28 {1929}-09-18 10-13 11-02 11-11
IA0513 BAXTER -33 32 {1902}-09-12 28 {1913}-09-22 10-19 11-02 11-14
IA0923 BRITT -36 30 {1983}-08-13 27 {1902}-09-13 10-16 11-02 11-10
IA1233 CARROLL-2-SSW -40 28 {1974}-09-03 28 {1974}-09-03 10-17 11-02 11-10
IA1443 CHEROKEE # 2 -17 32 {2007}-09-15 28 {2003}-10-01 10-15 11-02 11-20
IA1586 CLEAR LAKE -35 32 {1908}-09-28 27 {1899}-09-29 10-12 11-02 11-11
IA1954 CRESCO-1-NE -36 31 {1902}-09-12 28 {1929}-09-18 10-12 11-02 11-10
IA2112 DECORAH 2 S -37 31 {1950}-08-20 28 {1946}-09-02 10-12 11-02 11-11
IA2210 DES MOINES MILLMAN -17 32 {1896}-09-28 27 {1896}-10-18 10-06 11-02 11-06
IA0214 ANAMOSA 3 SSW -27 30 {2012}-09-24 26 {2024}-10-16 10-17 11-02 11-12
IA0197 AMES MUNICIPAL AP -31 31 {2007}-09-15 27 {2003}-09-30 10-14 11-02 11-11
IA0181 ALTON -42 31 {1916}-09-15 27 {1918}-09-20 10-17 11-02 11-10
IA0173 ALTA -36 29 {1902}-09-12 26 {1913}-09-22 10-19 11-02 11-10
IA0133 ALGONA -36 29 {1893}-09-02 27 {1929}-09-18 10-17 11-02 11-11
IA0088 AKRON -39 28 {1902}-09-12 28 {1902}-09-12 10-17 11-02 11-10
IATSUX Sioux City Area -35 30 {1902}-09-13 25 {1995}-09-22 10-18 11-02 11-10
IATIDA Ida Grove Area -36 32 {1974}-09-03 27 {1918}-09-20 10-17 11-02 11-10
IAD001 Iowa Drought Region 1 - Northwest -38 30 {1902}-09-12 28 {1991}-09-19 10-17 11-02 11-10
IAC002 Iowa - North Central Climate Division -38 32 {1902}-09-13 28 {1929}-09-18 10-17 11-02 11-11
IAC001 Iowa - Northwest Climate Division -38 30 {1902}-09-12 26 {1918}-09-20 10-16 11-02 11-10
IA8856 WEST BRANCH -23 32 {1902}-09-13 24 {1899}-09-28 10-17 11-02 11-15
IA8806 WEBSTER-CITY -36 30 {1955}-09-11 25 {1929}-09-18 10-17 11-02 11-11
IA8771 WAVERLY -34 32 {1915}-08-30 28 {1918}-09-21 10-13 11-02 11-11
IA8693 WASHTA -47 27 {1973}-08-22 27 {1973}-08-22 10-17 11-02 11-10
IA7979 STORM-LAKE-2-E -36 32 {1902}-09-12 28 {1929}-09-18 10-17 11-02 11-10
IA7859 SPIRIT LAKE -39 31 {1902}-09-12 28 {1929}-09-18 10-17 11-02 11-10
IA7847 SPENCER NO. 2 -28 31 {2011,2007}-09-15 27 {2003}-10-01 10-15 11-02 11-07
IA7726 SIOUX-RAPIDS -32 31 {1974}-09-03 28 {1991}-09-19 10-09 11-02 11-09
IA7708 SIOUX-CITY-WSO-AP -35 30 {1902}-09-13 25 {1995}-09-22 10-18 11-02 11-10
IA7700 SIOUX CENTER 2 SE -37 31 {1974}-09-03 24 {1991}-09-19 10-17 11-02 11-10
IA7478 SCRANTON -27 32 {1902}-09-12 24 {1899}-09-29 10-16 11-02 11-06
IA7312 SAC-CITY -35 32 {1974}-09-03 28 {1918}-09-20 10-17 11-02 11-11
IA6800 PRIMGHAR -38 30 {1902}-09-12 25 {1901}-09-18 10-17 11-02 11-10
IA6618 PIONEER -30 22 {1899}-09-29 22 {1899}-09-29 09-30 11-02 11-02
IA6440 PACIFIC JUNCTION -37 32 {1902}-09-12 27 {1901}-09-18 10-20 11-02 11-12
IA6225 OLIN -35 31 {1902}-09-13 25 {1926}-09-26 10-20 11-02 11-12
IA6195 ODEBOLT 2 -37 31 {1902}-09-12 28 {1918}-09-20 10-21 11-02 11-13
IA6103 NORTHWOOD -37 32 {1953}-09-13 28 {1929}-09-18 10-10 11-02 11-10
IA5952 NEW-HAMPTON -34 28 {1949}-09-01 28 {1949}-09-01 10-17 11-02 11-11
IA5680 MOOAR -21 32 {1896}-09-19 28 {1899}-09-29 10-07 11-02 11-06
IA5493 Milford -34 32 {1974}-09-03 28 {1929}-09-18 10-14 11-02 11-09
IA5418 MERRILL 4 WSW -38 31 {1916}-09-15 25 {1918}-09-20 10-19 11-02 11-11
IA5414 MERRILL -38 31 {1916}-09-15 25 {1918}-09-20 10-18 11-02 11-10
IA5235 MASON CITY MUNICIPAL AP -32 31 {2014}-09-13 26 {2011}-09-15 10-09 11-02 11-10
IA5230 Mason City -45 30 {1915}-08-30 28 {1923}-09-14 10-12 11-02 11-10
IA5199 MARSHALLTOWN MUNICIPAL AP -28 30 {2007}-09-15 27 {2012}-09-23 10-14 11-02 11-11
IA5136 MARATHON -26 29 {1929}-09-18 21 {1935}-10-04 09-27 11-02 11-06
IA5123 MAPLETON NO. 2 -35 31 {1955}-09-11 27 {1991}-09-19 10-15 11-02 11-10
IA4867 LITTLE SIOUX -39 24 {1916}-09-15 24 {1916}-09-15 10-19 11-02 11-11
IA4142 IOWA-FALLS -34 31 {1915}-08-30 28 {1894}-09-18 10-17 11-02 11-11
IA4038 IDA GROVE 5NW -36 32 {1974}-09-03 27 {1918}-09-20 10-17 11-02 11-10
IA3980 HUMBOLDT-2 -42 31 {1902}-09-13 28 {1934}-09-16 10-17 11-02 11-11
IA2456 EARLHAM -36 31 {1902}-09-12 21 {1913}-09-22 10-19 11-02 11-12
IA2603 Elkader 6SSW (Osborn) -47 32 {1893}-08-29 0 {2002}-09-02 10-10 11-02 11-11
IA2689 Emmetsburg -36 0 {2005}-09-03 0 {2005}-09-03 10-16 11-02 11-10
IA2864 FAYETTE -40 32 {1949}-09-01 27 {1902}-09-12 10-12 11-02 11-11
IA2977 FOREST-CITY -36 31 {1949}-09-01 27 {1929}-09-18 10-13 11-02 11-10
IA3584 HAMPTON-2-NW -35 32 {1955}-09-11 28 {1955}-09-12 10-17 11-02 11-11
IA3731 HAWKEYE -30 30 {1896}-09-20 20 {1899}-09-30 10-07 11-02 11-06
IA3819 HEDRICK -23 27 {1899}-09-29 27 {1899}-09-29 10-17 11-02 11-06
IA3877 HINTON 4 W -23 28 {1951}-09-28 28 {1951}-09-28 09-28 11-02 11-10
IA0807 Boone -35 32 {1975}-09-12 27 {1929}-09-18 10-17 11-03 11-12
IA0812 BOONE 3 WNW -26 31 {1929}-09-18 23 {1942}-09-28 10-17 11-03 11-21
IA1402 CHARLES-CITY -34 32 {1955,1902}-09-12 28 {1991}-09-20 10-16 11-03 11-11
IA1536 CLARINDA PLUM CREEK -22 29 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1537 CLARINDA TARKIO CREEK -22 30 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1538 CLARINDA WALNUT CREEK -23 29 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1541 CLARION -32 32 {1950}-08-20 1 {2018}-08-28 10-15 11-03 11-11
IA1705 COGGON -40 30 {2007}-09-15 26 {2012}-09-24 10-15 11-03 11-11
IA2026 CUSHING -26 32 {1934}-09-21 27 {1942}-09-24 10-22 11-03 11-08
IA2062 DANVILLE -17 29 {1899}-09-29 24 {1899}-09-30 10-17 11-03 11-25
IA2110 DECORAH-2-N -43 32 {1915}-08-30 28 {1946}-09-02 10-13 11-03 11-11
IA2240 DEXTER -22 29 {1942}-09-24 24 {1942}-09-28 10-22 11-03 11-21
IA0205 AMES 3 SW -37 31 {1902}-09-13 26 {1918}-09-21 10-20 11-03 11-17
IA0193 AMANA -32 30 {1896}-09-20 28 {1913}-09-22 10-12 11-03 11-12
IATALO Waterloo Area -34 32 {1917}-09-11 28 {1929}-09-18 10-17 11-03 11-12
IAD002 Iowa Drought Region 2 - Northcentral -34 32 {1902}-09-12 27 {1913}-09-22 10-17 11-03 11-11
IAC003 Iowa - Northeast Climate Division -35 32 {1902}-09-13 26 {1926}-09-26 10-17 11-03 11-11
IA9164 WOODBINE -22 32 {1943}-09-20 28 {1942}-09-24 10-22 11-03 11-10
IA8880 WEST UNION -30 32 {1902}-09-13 20 {1899}-09-30 09-18 11-03 11-05
IA8755 WAUKON -34 32 {1937,2011}-09-16 25 {1942}-09-25 10-16 11-03 11-11
IA8706 WATERLOO -34 32 {1917}-09-11 28 {1929}-09-18 10-17 11-03 11-11
IA8705 WATERLOO #1 -20 32 {2007}-09-15 22 {2003}-10-02 10-14 11-03 11-20
IA8704 WATERLOO -33 32 {1917}-09-11 28 {1929}-09-18 10-13 11-03 11-12
IA8538 VILLISCA -27 30 {1901}-09-18 27 {1896}-09-28 10-17 11-03 11-05
IA8255 TINGLEY -24 32 {1927}-09-21 28 {1942}-09-24 10-22 11-03 11-21
IA7925 STATE CENTER -23 30 {1942}-09-24 23 {1942}-09-28 10-15 11-03 11-11
IA7289 RUTHVEN -38 31 {1902}-09-12 26 {1899}-09-22 10-07 11-03 11-09
IA7161 ROCKWELL-CITY -35 32 {1902}-09-12 28 {1929}-09-18 10-17 11-03 11-11
IA6412 OVID -25 30 {1901}-09-18 23 {1899}-09-29 10-16 11-03 11-15
IA6363 OTO -24 30 {1943}-09-20 28 {1942}-09-24 10-22 11-03 11-10
IA6305 OSAGE -35 30 {1949}-09-14 28 {1929}-09-18 10-17 11-03 11-11
IA6243 ONAWA -32 24 {1936}-08-29 24 {1936}-08-29 10-19 11-03 11-11
IA6200 OELWEIN-2-S -32 20 {1942}-09-05 20 {1942}-09-05 10-17 11-03 11-11
IA6190 OCHEYEDAN -28 31 {1973}-08-22 27 {1974}-09-22 10-15 11-03 11-10
IA6119 NORWICH EXPERIMENT FARM -23 29 {1942}-09-24 26 {1942}-09-28 10-24 11-03 11-20
IA5622 MONMOUTH 4 SW -27 32 {1952}-09-20 26 {1950}-09-24 10-15 11-03 11-11
IA5584 MISSOURI VALLEY 1 NNE -22 32 {1940}-09-11 28 {1942}-09-24 10-24 11-03 11-21
IA4569 LAKE VIEW -22 28 {1942}-09-24 28 {1942}-09-24 10-24 11-03 11-21
IA4547 LAKE CITY -26 32 {1947}-09-22 23 {1942}-09-28 10-23 11-03 11-19
IA4202 JAMES 1 NE -26 32 {2011}-09-15 27 {1984}-09-26 10-18 11-03 11-16
IA4049 INDEPENDENCE-2-W -31 32 {1974}-09-03 28 {1975}-09-13 10-17 11-03 11-12
IA2388 DUMONT -29 31 {2007}-09-15 26 {1974}-09-22 10-17 11-03 11-14
IA2569 ELDON -24 31 {1902}-09-13 25 {1899}-09-29 10-14 11-03 11-15
IA2778 FAIRBANK -21 32 {2007}-09-15 22 {2003}-10-02 10-11 11-03 11-23
IA2999 FORT-DODGE -35 32 {1974}-09-03 27 {1902}-09-13 10-17 11-03 11-11
IA3487 GRUNDY-CENTER -34 32 {1902}-09-12 28 {1929}-09-18 10-17 11-03 11-11
IA1277 CASTANA-EXP-FARM -27 30 {1991}-09-19 28 {1995}-09-22 10-19 11-04 11-19
IA1710 COLO -28 31 {1991}-09-19 28 {1974}-09-22 10-10 11-04 11-11
IA8974 WEVER -21 30 {1928}-09-26 21 {1930}-10-20 10-21 11-04 11-06
IA8339 TRIPOLI-4-N -32 31 {2007}-09-15 27 {1974}-09-22 10-16 11-04 11-11
IA8270 TITONKA -27 30 {2007}-09-15 28 {1984}-09-26 10-18 11-04 11-19
IA7855 SPILLVILLE -35 30 {1991}-09-20 26 {1974}-09-22 10-18 11-04 11-19
IA7713 SIOUX CITY PERRY CREEK -26 32 {2011}-09-15 27 {1984}-09-26 10-18 11-04 11-10
IA7703 SIOUX CITY 8 N -26 32 {1974}-09-22 28 {1951}-09-28 10-19 11-04 11-12
IA7602 SHELL ROCK 1 SW -31 32 {2007}-09-15 26 {1974}-09-22 10-17 11-04 11-19
IA7326 ST ANSGAR -32 31 {2007}-09-15 25 {1974}-09-22 10-16 11-04 11-12
IA7058 RINGSTED -27 30 {2007}-09-15 27 {1974}-09-22 10-16 11-04 11-12
IA6590 PETERSON -27 31 {2007}-09-15 28 {1942}-09-24 10-18 11-04 11-19
IA6520 PAULLINA -26 31 {1991}-09-19 28 {1984}-09-26 10-18 11-04 11-18
IA5141 MARBLE ROCK -30 30 {1991}-09-20 26 {1974}-09-22 10-18 11-04 11-12
IA5086 MANCHESTER-2 -36 32 {2014}-09-13 27 {1984}-09-16 10-17 11-04 11-12
IA4894 LOGAN -35 30 {1902}-09-12 28 {1902}-09-13 10-18 11-04 11-12
IA4557 LAKE MILLS -30 30 {2007}-09-15 26 {1974}-09-22 10-16 11-04 11-11
IA2396 DUNBAR 2 NE -23 30 {1942}-09-24 22 {1942}-09-28 10-23 11-04 11-21
IA2755 EVERLY 3 WNW -27 27 {1973}-08-22 27 {1973}-08-22 10-15 11-04 11-11
IA3108 GALVA -41 24 {1902}-09-04 24 {1902}-09-04 10-19 11-04 11-12
IA3632 HARLAN -37 29 {1902}-09-12 27 {1902}-09-13 10-18 11-04 11-12
IA1257 CASCADE -35 32 {2023}-08-31 28 {1953,1974}-09-22 10-10 11-05 11-11
IA1300 CEDAR FALLS -32 32 {1902}-09-13 27 {1974}-09-22 10-18 11-05 11-12
IA2136 DELAWARE 3 WSW -32 32 {1902}-09-12 25 {1962}-09-19 10-17 11-05 11-12
IA2311 DORCHESTER -32 32 {2007}-09-15 26 {1974}-09-22 10-18 11-05 11-20
IA0213 ANAMOSA-1-WNW -37 29 {1998}-09-08 27 {1956}-09-20 10-10 11-05 11-21
IA0157 ALLISON -31 32 {1915}-08-30 28 {1926}-09-25 10-18 11-05 11-11
IA0070 ADEL 1 SE -24 31 {1962}-09-20 27 {1967}-09-29 10-01 11-05 11-18
IAC004 Iowa - West Central Climate Division -35 31 {1902}-09-12 28 {1918}-09-20 10-19 11-05 11-11
IA6766 Postville -35 32 {1919}-09-02 20 {1918}-09-21 10-17 11-05 11-11
IA6492 PARKERSBURG -29 32 {2007}-09-15 27 {1974}-09-22 10-17 11-05 11-12
IA5315 MCGREGOR -25 30 {1967}-09-29 24 {1964}-10-10 10-24 11-05 11-18
IA5198 MARSHALLTOWN -35 31 {1955}-09-12 28 {1896}-09-20 10-17 11-05 11-12
IA5085 MANCHESTER -23 31 {1991}-09-20 27 {1987}-10-03 10-09 11-05 11-07
IA4620 LANSING -33 30 {1902}-09-12 28 {1902}-09-13 10-19 11-05 11-12
IA4052 INDEPENDENCE -32 32 {1974}-09-03 28 {1975}-09-13 10-17 11-05 11-12
IA2573 Eldora -32 31 {2005}-08-29 28 {1974}-09-22 10-17 11-05 11-12
IA3473 GRINNELL-3-SW -35 31 {1976}-09-10 27 {1991}-09-20 10-17 11-05 11-13
IA3475 GRINNELL NEAR -29 24 {1899}-09-29 24 {1899}-09-29 10-17 11-05 11-14
IA0596 BELKNAP -23 27 {1899}-09-29 27 {1899}-09-29 10-20 11-06 11-19
IA1708 COLLEGE SPRINGS -28 32 {1901}-09-17 24 {1901}-09-18 10-17 11-06 11-18
IA2171 DENISON -40 29 {1902}-09-12 21 {1918}-09-21 10-18 11-06 11-11
IA2367 Dubuque Airport -31 32 {2007}-09-15 28 {1956}-09-20 10-18 11-06 11-20
IA0241 Ankeny -34 32 {1999}-09-18 22 {1999}-09-21 10-18 11-06 11-12
IATOEL Oelwein Area -33 28 {1955}-09-11 28 {1955}-09-11 10-16 11-06 11-12
IATAME Ames Area -37 31 {1902}-09-13 26 {1918}-09-21 10-18 11-06 11-12
IAD003 Iowa Drought Region 3 - Northeast -32 32 {1902}-09-13 27 {1926}-09-26 10-18 11-06 11-12
IA9178 WOODWARD 7 N -27 32 {1962}-09-20 27 {1966}-10-01 10-24 11-06 11-21
IA9062 WILLIAMS -25 32 {1991}-09-20 28 {1984}-09-29 10-18 11-06 11-11
IA8985 WHAT CHEER -31 32 {1902}-09-13 27 {1899}-09-29 10-14 11-06 11-14
IA8296 TOLEDO -34 31 {1917}-09-11 27 {1896}-09-20 10-17 11-06 11-12
IA7085 RIVERTON -22 30 {1942}-09-24 26 {1942}-09-28 10-24 11-06 11-21
IA6945 RED OAK 10 SW -23 29 {1942}-09-24 27 {1942}-09-28 10-23 11-06 11-21
IA6566 PERRY -34 32 {1955}-09-12 27 {1929}-09-18 10-17 11-06 11-11
IA6151 OAKLAND-2-E -31 32 {1974}-09-03 28 {1995}-09-22 10-17 11-06 11-12
IA5813 MOUNT VERNON -30 32 {1907}-09-25 27 {1899}-09-30 10-19 11-06 11-14
IA5131 MAQUOKETA-2-W -37 31 {1917}-09-11 28 {1983}-09-23 10-17 11-06 11-13
IA4372 KEOKUK NO 2 -23 25 {1935}-10-04 25 {1935}-10-04 10-23 11-06 11-22
IA4308 KANAWHA -27 31 {2011,2007}-09-15 27 {1974}-09-22 10-18 11-06 11-19
IA2805 FAIRPORT -24 32 {1928}-09-25 26 {1935}-10-04 10-21 11-06 11-22
IA1314 Cedar Rapids Airport -30 31 {2007}-09-15 28 {2012}-09-24 10-18 11-07 11-20
IA1742 CONRAD -28 32 {2007}-09-15 28 {1984}-09-29 10-18 11-07 11-12
IA1838 CORRECTIONVILLE 1 SW -25 31 {1991}-09-19 28 {1942}-09-24 10-19 11-07 11-20
IA2362 DUBUQUE #3 -30 31 {2012}-09-24 27 {2015}-10-17 10-15 11-07 11-12
IA0131 ALGONA 1NNW -26 31 {2007,2011}-09-15 28 {2003}-10-01 10-15 11-07 11-11
IA8742 WAUCOMA 1WNW -32 32 {2011,2007}-09-15 26 {1974}-09-22 10-16 11-07 11-12
IA8707 WATERLOO SNOW -24 30 {2012}-09-23 28 {2012}-10-06 10-14 11-07 11-11
IA8315 TRAER -31 32 {1991}-09-20 26 {1967}-09-29 10-18 11-07 11-20
IA8009 STRAWBERRY POINT -31 32 {2007}-09-15 28 {1974}-09-22 10-18 11-07 11-20
IA7985 STORY CITY -25 32 {2007}-09-15 25 {2003}-10-02 10-15 11-07 11-12
IA7932 STEAMBOAT ROCK -28 32 {2007}-09-15 28 {1974}-09-22 10-18 11-07 11-12
IA6755 POPEJOY 1S -26 32 {2007}-09-15 28 {1984}-09-26 10-18 11-07 11-11
IA6209 OGDEN -23 32 {2007}-09-15 26 {2003}-10-02 10-15 11-07 11-11
IA5232 MASON CITY #1 -26 31 {2011,2007}-09-15 28 {2003}-10-01 10-14 11-07 11-11
IA5127 MAPLETON -25 31 {1991}-09-19 26 {1984}-09-29 10-19 11-07 11-20
IA4402 KESLEY -26 31 {2007}-09-15 23 {2003}-10-02 10-14 11-07 11-11
IA4342 KENNEBEC -25 31 {1991}-09-19 26 {1984}-09-29 10-24 11-07 11-20
IA4244 JEWELL -26 32 {2007}-09-15 28 {1984}-09-29 10-19 11-07 11-20
IA4228 JEFFERSON -37 32 {1893}-08-29 28 {1929}-09-18 10-18 11-07 11-12
IA3964 HUDSON -26 32 {2007}-09-15 23 {2003}-10-02 10-16 11-07 11-12
IA2697 EMMETSBURG 2 NW -28 31 {2007,2011}-09-15 27 {2003}-10-01 10-14 11-07 11-11
IA2726 ESTHERVILLE 1WSW -29 30 {2007}-09-15 26 {2003}-10-01 10-14 11-07 11-11
IA3003 FORT DODGE 4 NW -23 32 {2007,2011}-09-15 25 {2003}-10-02 10-15 11-07 11-20
IA3509 GUTHRIE-CENTER -35 31 {1902}-09-12 28 {1991}-09-19 10-17 11-07 11-11
IA3623 HARCOURT 2ENE -30 32 {2007}-09-15 28 {1984}-09-29 10-18 11-07 11-11
IA3675 HASTINGS 4NE -26 32 {2009}-10-04 22 {2012}-10-07 10-15 11-07 11-11
IA3900 HORNICK 4 NNE -28 30 {1991}-09-19 28 {1984}-09-26 10-18 11-07 11-11
IA0506 BATAVIA -7 28 {1899}-09-29 28 {1899}-09-29 09-29 11-08 11-25
IA0600 BELLE-PLAINE -38 31 {1917}-09-11 28 {1929,1916}-09-18 10-17 11-08 11-12
IA0999 BUCKEYE -25 32 {2007}-09-15 28 {1984}-09-26 10-16 11-08 11-12
IA1245 CARSON 3NNE -31 32 {1902}-09-13 26 {1942}-09-28 10-21 11-08 11-21
IA1394 CHARITON -38 32 {1955}-09-12 28 {1918,1991}-09-20 10-18 11-08 11-21
IA1533 CLARINDA -31 31 {1902}-09-13 28 {1918}-09-21 10-19 11-08 11-20
IA1793 COON RAPIDS -34 32 {1902}-09-12 27 {1913}-09-22 10-24 11-08 11-21
IA1833 CORNING -32 32 {1902}-09-12 27 {1983}-09-21 10-19 11-08 11-13
IA1889 COUNCIL BLUFFS 6 NE -32 32 {1955}-09-12 28 {1953}-09-22 10-21 11-08 11-19
IA1962 Creston -31 31 {1924}-09-15 28 {1991}-09-19 10-20 11-08 11-20
IA2071 DAVENPORT 2 -23 31 {1923}-09-14 28 {1926}-09-26 10-19 11-08 11-22
IA0203 AMES 5 SE -33 32 {1902}-09-13 28 {1926}-09-26 10-23 11-08 11-21
IA0200 AMES-8-WSW -37 31 {1902}-09-13 26 {1918}-09-21 10-19 11-08 11-21
IA0064 AFTON -30 32 {1902}-09-12 27 {1913}-09-22 10-22 11-08 11-21
IA0000 Iowa Average -31 32 {1902}-09-13 24 {1942}-09-28 10-19 11-08 11-13
IAD004 Iowa Drought Region 4 - Southwest -31 32 {1902}-09-12 26 {1942}-09-28 10-21 11-08 11-21
IAC005 Iowa - Central Climate Division -34 31 {1929}-09-18 28 {1913}-09-22 10-19 11-08 11-13
IA9750 ZEARING -35 32 {2007}-09-15 28 {1907}-09-25 10-19 11-08 11-20
IA9132 WINTERSET -35 31 {1955}-09-12 26 {1896}-09-20 10-24 11-08 11-21
IA9067 WILLIAMSBURG -31 32 {1917}-09-11 28 {1991}-09-20 10-19 11-08 11-21
IA8843 WESCOTT -22 31 {1926}-09-26 25 {1925}-10-10 10-19 11-08 11-08
IA8747 WAUKEE -36 32 {1902}-09-13 28 {1918}-09-20 10-21 11-08 11-21
IA8568 VINTON -35 32 {1953,1902}-09-13 28 {1982}-09-21 10-18 11-08 11-21
IA8231 THURMAN -37 32 {1940}-09-11 28 {1901}-09-18 10-21 11-08 11-15
IA8021 STUART -30 32 {1902}-09-13 24 {1899}-09-29 10-12 11-08 11-11
IA7712 SIOUX CITY -35 30 {1902}-09-13 25 {1899}-09-29 10-20 11-08 11-11
IA6205 OGDEN -33 31 {1902}-09-05 27 {1913}-09-22 10-21 11-08 11-19
IA5992 NEWTON -34 32 {1929}-09-18 23 {1942}-09-28 10-24 11-08 11-21
IA5823 MOVILLE -21 29 {1951}-09-28 28 {1948}-10-16 09-28 11-08 11-10
IA5638 MONROE -32 32 {1929}-09-18 24 {1942}-09-28 10-21 11-08 11-22
IA5000 MADRID -32 32 {1902}-09-13 28 {1913}-09-22 10-20 11-08 11-12
IA4746 LENOX -37 32 {1904}-09-13 28 {1913}-09-22 10-23 11-08 11-21
IA4063 INDIANOLA-2-SSW -35 30 {1979}-09-15 28 {1979}-09-22 10-19 11-08 11-21
IA2678 EMERSON 4 ENE -30 30 {1901}-09-18 26 {1942}-09-28 10-25 11-08 11-22
IA3290 GLENWOOD -33 30 {1902}-09-12 28 {1902}-09-13 10-19 11-08 11-21
IA3293 GLENWOOD 5 ESE -30 32 {1902}-09-13 26 {1942}-09-28 10-23 11-08 11-22
IA3438 GREENFIELD -34 32 {1981}-09-17 27 {1913}-09-22 10-24 11-08 11-21
IA3667 HARTLEY 3 S -18 30 {1947}-09-22 25 {1945}-09-29 09-29 11-08 11-09
IA0493 BARTLETT 5 E -23 30 {1951}-09-28 28 {1952}-10-06 10-26 11-09 11-22
IA0519 BAYARD 6 SE -21 30 {2012}-09-23 26 {2003}-10-02 10-16 11-09 11-20
IA0536 BEACONSFIELD -30 27 {1991}-09-19 27 {1991}-09-19 10-19 11-09 11-21
IA1324 CEDAR RAPIDS 2 -30 31 {1929}-09-18 28 {1926}-09-26 10-22 11-09 11-22
IA1407 CHARLES CITY NO 2 -26 31 {2007}-09-15 21 {2003}-10-02 10-15 11-09 11-20
IA2315 DORCHESTER HWY 76 -27 32 {2007}-09-15 22 {2003}-10-02 10-16 11-09 11-20
IATCID Cedar Rapids Area -30 31 {2007}-09-15 28 {2012}-09-24 10-19 11-09 11-21
IAC006 Iowa - East Central Climate Division -31 32 {1929}-09-18 28 {1926}-09-26 10-20 11-09 11-21
IA8266 TIPTON -30 32 {1902}-09-13 28 {1991}-09-20 10-19 11-09 11-21
IA5669 MONTICELLO -30 32 {1902}-09-12 27 {1926}-09-26 10-19 11-09 11-21
IA3960 HUBBARD -25 32 {2007}-09-15 28 {1984}-09-29 10-18 11-09 11-12
IA3944 HORNICK 5S -20 30 {1951}-09-28 26 {1948}-10-17 10-12 11-09 11-10
IA2595 ELKADER 1 SE -27 32 {2007}-09-15 22 {2003}-10-02 10-16 11-09 11-20
IA3032 FULTON -30 31 {2012}-09-23 23 {2003}-10-02 10-16 11-09 11-13
IA3239 GILMAN -30 32 {1902}-09-13 22 {1942}-09-28 10-24 11-09 11-21
IA3295 GLENWOOD 8 SSE -23 30 {1951}-09-28 28 {1952}-10-06 10-26 11-09 11-22
IA0549 BEAVER 2 NE -18 32 {1949}-09-29 26 {1948}-10-17 10-22 11-10 11-20
IA0576 BEDFORD-1-NNW -34 28 {1902}-09-13 28 {1902}-09-13 10-19 11-10 11-21
IA0608 BELLEVUE-L-AND-D-12 -35 32 {1986}-08-30 28 {1995,1974}-09-23 10-19 11-10 11-21
IA0933 BROOKLYN -27 32 {1991}-09-19 28 {1991}-09-20 10-18 11-10 11-12
IA1319 CEDAR-RAPIDS-1 -33 32 {2007}-09-15 24 {1926}-09-26 10-24 11-10 11-21
IA1528 CLARENCE -26 32 {1956}-09-20 25 {1942}-09-28 10-24 11-10 11-21
IA1704 CLUTIER -29 32 {1991}-09-20 28 {1984}-09-29 10-18 11-10 11-12
IA1848 CORYDON 8 W -31 32 {1918}-09-21 25 {1913}-09-22 10-23 11-10 11-22
IA1888 COUNCIL BLUFFS 6 NNE -16 30 {1951}-09-28 28 {1948}-10-17 10-22 11-10 11-10
IA2199 DES MOINES (63RD STREET) -21 32 {2005}-10-07 28 {2009}-10-10 10-18 11-10 11-16
IA2209 DES MOINES WSFO-JOHNSTON -27 31 {1999}-09-21 28 {2004}-10-02 10-24 11-10 11-21
IA0199 AMES 3 N -22 30 {2012}-09-23 27 {2012}-10-06 10-16 11-10 11-11
IA0149 Allerton -33 31 {1991}-09-19 27 {1913}-09-22 10-24 11-10 11-22
IA0116 ALBIA PASTURE IMP FARM -24 32 {1962}-09-20 25 {1964}-10-09 10-24 11-10 11-19
IA0112 ALBIA -31 31 {1916}-09-18 27 {1913}-09-22 10-25 11-10 11-22
IATDBQ Dubuque Area -31 32 {2007}-09-15 28 {1956}-09-20 10-22 11-10 11-21
IAC007 Iowa - Southwest Climate Division -30 32 {1902}-09-13 26 {1942}-09-28 10-24 11-10 11-21
IA8989 WHEATLAND -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA8646 STANTON 4N -16 27 {1948}-10-17 27 {1948}-10-17 10-22 11-10 11-20
IA8632 WALFORD 2 SE -30 31 {1929}-09-18 28 {1926}-09-26 10-24 11-10 11-22
IA8360 TURIN 4 SSW -23 32 {1993}-09-15 28 {1991}-09-19 10-19 11-10 11-20
IA8359 TURIN 4S -23 31 {1991}-09-19 27 {1984}-09-29 10-19 11-10 11-20
IA8131 TABOR 6 NNW -16 30 {1951}-09-28 28 {1948}-10-17 10-22 11-10 11-13
IA7774 SOLDIER -18 30 {1951}-09-28 27 {1948}-10-17 10-12 11-10 11-10
IA7613 SHENANDOAH-1-NE -29 32 {1937}-09-16 28 {1918}-09-20 10-24 11-10 11-21
IA7582 SHELBY -25 31 {1991}-09-19 27 {1984}-09-29 10-26 11-10 11-21
IA6985 RHODES 3E -25 31 {1995}-09-22 25 {1974}-10-02 10-18 11-10 11-20
IA6965 RED ROCK DAM -19 29 {1984}-09-29 26 {1987}-10-11 10-28 11-10 11-10
IA6941 READ OAK # 2 -23 32 {1991}-09-19 28 {1984}-09-29 10-24 11-10 11-21
IA6940 RED-OAK -30 32 {1940}-09-11 28 {1995}-09-22 10-19 11-10 11-21
IA6920 REDFIELD 2 E -24 30 {1995}-09-22 27 {2003}-10-02 10-24 11-10 11-21
IA6634 PISGAH -25 31 {1991}-09-19 27 {1984}-09-29 10-24 11-10 11-20
IA6418 PANORA -20 30 {2012}-09-23 26 {2003}-10-02 10-16 11-10 11-20
IA6327 OSKALOOSA -31 31 {1902}-09-13 27 {1991}-09-20 10-24 11-10 11-21
IA6316 OSCEOLA-3-WSW -32 31 {2007}-09-15 28 {1974}-09-22 10-19 11-10 11-21
IA6186 OASIS 1 NW -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA6076 NORTH ENGLISH -27 32 {1995,1974}-09-22 24 {2003}-10-02 10-19 11-10 11-21
IA5769 MOUNT-AYR -30 32 {1902}-09-13 28 {1991}-09-19 10-24 11-10 11-21
IA5742 MORSE 4 SSW -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA5737 MORSE 1 NE -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA5732 MORSE -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA5650 MONTEZUMA 1 W -29 32 {1902}-09-13 28 {1926}-09-26 10-24 11-10 11-21
IA5630 MONONA -33 32 {1950}-09-24 27 {1949}-09-29 10-04 11-10 11-11
IA5552 MINEOLA 5 NW -13 30 {1999}-10-04 27 {2000}-10-06 10-17 11-10 11-11
IA5295 MAXWELL -25 31 {2012}-09-23 26 {2003}-10-02 10-15 11-10 11-12
IA5250 MASSENA -32 32 {1904}-09-16 25 {1942}-09-28 10-24 11-10 11-21
IA5200 MARSHALLTOWN 4 SE -23 30 {2012}-09-23 25 {2003}-10-02 10-16 11-10 11-20
IA5163 MARION 4 NE -18 32 {1949}-09-29 27 {1948}-10-17 10-23 11-10 11-20
IA4926 LORIMOR -23 30 {1995}-09-22 28 {2004,2003}-10-02 10-26 11-10 11-23
IA4898 LOGAN NO 2 -25 31 {1991}-09-19 28 {1942}-09-24 10-24 11-10 11-21
IA4585 Lamoni -29 32 {1901}-09-18 27 {1942}-09-28 10-25 11-10 11-22
IA4174 IRWIN 3 ESE -25 31 {1991}-09-19 27 {1984}-09-29 10-24 11-10 11-21
IA4131 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4126 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4121 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4116 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4111 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4106 IOWA CITY MUNICIPAL AP -34 32 {1991}-09-20 26 {1995}-09-23 10-19 11-10 11-21
IA4101 Iowa City -32 32 {1923}-09-14 28 {1916}-09-18 10-20 11-10 11-22
IA4067 INDIANOLA 5 NNW -24 31 {1995}-09-22 24 {1942}-09-28 10-25 11-10 11-21
IA3933 HOPEVILLE -30 32 {1901}-09-18 27 {1908,1899}-09-29 10-27 11-10 11-12
IA3120 GARWIN -28 32 {1991}-09-20 28 {1984}-09-29 10-18 11-10 11-12
IA3517 GUTTENBERG-L-AND-D-10 -38 32 {1973}-09-18 25 {1942}-09-28 10-24 11-10 11-21
IA3589 HANCOCK -32 31 {1991}-09-19 25 {1942}-09-28 10-24 11-10 11-21
IA3712 HAVERHILL -23 32 {1974}-09-22 25 {1974}-10-02 10-19 11-10 11-21
IA3909 Holstein -27 31 {1991}-09-20 28 {1984}-09-29 10-19 11-10 11-21
IA0602 BELLE PLAINE 3 S -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA0753 BLOOMFIELD -29 31 {1991}-09-20 26 {1913}-09-23 10-25 11-11 11-22
IA0793 BONAPARTE 5 NE -31 32 {1916}-09-18 26 {1899}-09-29 10-21 11-11 11-22
IA0910 BRIGHTON -25 32 {1984}-09-26 25 {2003}-10-02 10-27 11-11 11-21
IA1099 BUSSEY 3 WNW -29 32 {1902}-09-13 24 {1942}-09-28 10-25 11-11 11-22
IA1354 CENTERVILLE -30 31 {1913}-09-13 28 {1913}-09-22 10-25 11-11 11-22
IA1363 CENTRAL CITY -31 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-12
IA1398 CHARITON 5SSE -24 31 {1995}-09-22 28 {1974}-10-02 10-31 11-11 11-24
IA1535 CLARINDA 1 E -17 32 {2003}-09-29 28 {2004}-10-02 10-24 11-11 11-20
IA1610 CLERMONT -27 32 {2007}-09-15 22 {2003}-10-02 10-15 11-11 11-20
IA1635 CLINTON-1 -29 31 {1902}-09-13 28 {1928}-09-25 10-24 11-11 11-22
IA1724 COLUMBIA -22 28 {2003}-10-02 28 {2003}-10-02 10-15 11-11 11-13
IA1731 COLUMBUS JUNCT 2 SSW -34 31 {1955}-09-12 28 {1991}-09-20 10-25 11-11 11-22
IA1828 CORALVILLE DAM -27 32 {1991,1983}-09-20 19 {1983}-09-22 10-18 11-11 11-21
IA2007 CUMBERLAND -32 32 {1902}-09-13 25 {1942}-09-28 10-25 11-11 11-22
IA2055 DALLAS 2 NW -19 32 {2012}-09-23 28 {2003}-10-02 10-26 11-11 11-20
IA2117 DECORAH 2 -27 32 {2007}-09-15 27 {2012}-10-07 10-16 11-11 11-20
IA2201 DES MOINES SNOW -21 31 {2012}-09-23 27 {2012}-10-06 10-18 11-11 11-12
IA2203 Des Moines Airport -29 31 {1995}-09-22 26 {1942}-09-28 10-24 11-11 11-21
IA2299 Donnellson -28 31 {1991}-09-20 25 {1942}-09-28 10-25 11-11 11-22
IA2361 DUBUQUE NO 2 -28 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-20
IA2364 DUBUQUE-LOCK-AND-DAM -37 31 {1956}-09-20 24 {1899}-09-30 10-27 11-11 11-22
IA0238 ANKENY 2 SE -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA0220 ANAMOSA NO 2 -26 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-21
IA0187 ALTOONA 4W -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IATDSM Des Moines Area -29 31 {1995}-09-22 26 {1942}-09-28 10-24 11-11 11-21
IAD005 Iowa Drought Region 5 - Southeast -30 31 {1991}-09-20 24 {1942}-09-28 10-25 11-11 11-22
IAC009 Iowa - Southeast Climate Division -29 32 {1896,1991}-09-20 25 {1942}-09-28 10-25 11-11 11-22
IAC008 Iowa - South Central Climate Division -30 31 {1991}-09-19 25 {1942}-09-28 10-25 11-11 11-21
IA9095 WILTON JUNCTION -33 32 {1904}-09-12 18 {1899}-09-30 10-12 11-11 11-12
IA8860 WEST DES MOINES 6 W -21 31 {2012}-09-23 27 {2012}-10-06 10-21 11-11 11-23
IA8688 WASHINGTON -32 30 {1902}-09-13 28 {1983}-09-23 10-25 11-11 11-22
IA8658 WAUKEE 3NE -30 31 {2012}-09-23 27 {2012}-10-06 10-17 11-11 11-11
IA8540 VILLISCA NO. 2 -19 31 {2003}-09-29 28 {2004}-10-02 10-24 11-11 11-20
IA8307 TRACY 1 NE -29 32 {1902}-09-13 24 {1942}-09-28 10-25 11-11 11-22
IA8062 SWISHER #2 -29 32 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-13
IA7955 STOCKPORT -35 32 {1917}-09-11 27 {1913}-09-22 10-21 11-11 11-22
IA7678 SIGOURNEY -32 32 {1902}-09-13 25 {1913}-09-21 10-24 11-11 11-22
IA7669 SIDNEY -29 30 {1901,1991}-09-18 28 {1995}-09-22 10-25 11-11 11-22
IA7425 SAYLORVILLE 3WNW -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA7363 SALEM 1 S -21 31 {2012}-10-06 26 {2022}-10-18 10-19 11-11 11-12
IA7340 ST CHARLES -32 29 {1913}-09-22 24 {1942}-09-28 10-24 11-11 11-22
IA7256 RUNNELLS 2SE -13 27 {2003}-10-02 27 {2003}-10-02 10-06 11-11 11-20
IA6910 RATHBUN DAM -28 32 {1974}-09-22 28 {1985}-10-01 10-19 11-11 11-21
IA6895 RANDOLPH 1 W -17 29 {2004}-10-02 28 {2000,2012}-10-06 10-24 11-11 11-20
IA6891 RANDOLPH -25 32 {1991}-09-19 27 {1984}-09-29 10-25 11-11 11-23
IA6820 PROMISE CITY 6 NW -23 31 {1995}-09-22 28 {1974}-10-02 11-01 11-11 11-23
IA6527 PELLA 1S -32 32 {1902}-09-13 26 {1913}-09-22 10-24 11-11 11-22
IA6392 OTTUMWA #1 -21 32 {2012}-09-23 26 {2003}-10-02 10-27 11-11 11-26
IA6389 Ottumwa -36 32 {2007}-09-15 23 {1942}-09-28 10-24 11-11 11-22
IA6386 OTTUMWA 1 WSW -36 8 {1895}-09-01 8 {1895}-09-01 10-23 11-11 11-22
IA6335 OSKALOOSA 4 N -19 31 {2012}-09-23 26 {2003}-10-02 10-26 11-11 11-20
IA5837 MUSCATINE -34 29 {1991}-09-20 23 {1942}-09-28 10-25 11-11 11-22
IA5834 MURRAY -31 32 {1901}-09-18 28 {1913}-09-22 10-25 11-11 11-13
IA5796 MOUNT-PLEASANT -27 32 {1902}-09-13 28 {1942}-09-24 10-25 11-11 11-22
IA5517 MILLERTON -31 30 {1901}-09-18 25 {1913}-09-22 10-23 11-11 11-22
IA5383 MELROSE -28 32 {1918}-09-21 25 {1942}-09-28 10-23 11-11 11-22
IA5320 MCGREGOR NO 2 -28 32 {2007}-09-15 22 {2003}-10-02 10-15 11-11 11-23
IA5150 MARENGO -23 31 {2012}-09-23 24 {2003}-10-02 10-16 11-11 11-12
IA4758 LEON 6 ESE -36 32 {1986}-09-08 28 {1991}-09-19 10-24 11-11 11-22
IA4700 LE CLAIRE -28 32 {1896,1918}-09-20 25 {1942}-09-28 10-23 11-11 11-22
IA4587 LAMONI -20 -1 {2011,2012}-08-07 -1 {2011,2012}-08-07 10-27 11-11 11-21
IA4529 LADORA -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA4523 LACONA -29 32 {1918}-09-21 25 {1899}-09-29 10-21 11-11 11-22
IA4507 KNOXVILLE 3E -19 32 {2012}-09-23 27 {2003}-10-02 10-26 11-11 11-20
IA4502 KNOXVILLE -30 31 {1916}-09-18 28 {1926}-09-26 10-25 11-11 11-22
IA4389 KEOSAUQUA -36 31 {1917}-09-11 28 {1916}-09-18 10-24 11-11 11-22
IA2410 DURANGO 3W -18 31 {2003}-09-29 23 {2003}-10-02 10-05 11-11 11-24
IA2544 EDDYVILLE NO 2 -19 32 {2012}-09-23 26 {2003}-10-02 10-27 11-11 11-21
IA2555 ELBERON 3 S -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA2369 DUBUQUE RIVER -26 30 {1942}-09-25 24 {1899}-09-30 10-25 11-11 11-22
IA2789 FAIRFIELD -31 32 {1917}-09-11 28 {1918}-09-21 10-25 11-11 11-22
IA3113 GARBER -28 31 {2012}-09-23 22 {2003}-10-02 10-16 11-11 11-20
IA3288 GLENWOOD -19 32 {2012}-09-23 27 {2000}-10-06 10-16 11-11 11-20
IA3455 GRIMES 3 E -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA3459 GRIMES 4 WSW -22 31 {2012}-09-23 27 {2003}-10-02 10-16 11-11 11-20
IA3569 HAMBURG 2 NE -16 29 {2004}-10-02 28 {2012,2000}-10-06 10-24 11-11 11-20
IA3671 HARTWICK 4NW -22 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA3681 HAVEN 1 NE -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA1060 BURLINGTON -26 32 {1984}-09-26 28 {1974}-10-02 10-28 11-12 11-27
IA1063 Burlington Airport -27 30 {1918}-09-18 25 {1942}-09-28 10-27 11-12 11-24
IA1358 CENTERVILLE 5 E -20 29 {1974}-10-02 25 {1976}-10-17 10-16 11-12 11-14
IA1640 CLINTON 2 -28 32 {1956}-09-20 28 {1926}-09-26 10-24 11-12 11-22
IA1737 CONESVILLE 3 NE -22 32 {2003}-09-29 24 {2003}-10-02 10-27 11-12 11-21
IA1823 CORALVILLE -23 32 {2012}-09-23 24 {2003}-10-02 10-25 11-12 11-21
IA2068 DAVENPORT -25 30 {1942}-09-28 28 {1899}-09-30 10-27 11-12 11-22
IA2195 DERBY -24 31 {1995}-09-22 28 {1974}-10-02 10-26 11-12 11-23
IA2208 Des Moines SE 6th -29 32 {1913}-09-22 28 {1942}-09-28 10-27 11-12 11-22
IA2235 DE WITT -28 32 {1956,1991}-09-20 24 {2003}-10-02 10-19 11-12 11-21
IA2236 DE WITT 4 S -28 32 {2012}-09-24 24 {2003}-10-02 10-16 11-12 11-22
IA8668 Wapello -27 31 {1991}-09-20 28 {1984}-09-29 10-25 11-12 11-22
IA7683 SIGOURNEY 2 S -20 32 {2012}-09-23 25 {2003}-10-02 10-27 11-12 11-21
IA6419 OXFORD JUNCTION 1 S -26 32 {2012}-09-23 26 {2009}-10-10 10-25 11-12 11-21
IA6396 OTTUMWA -18 32 {2012}-09-23 26 {2003}-10-02 10-27 11-12 11-21
IA6391 OTTUMWA -24 32 {1918}-09-21 24 {1942}-09-28 10-24 11-12 11-22
IA6160 OAKLAND MILLS 3 W -24 26 {2003}-10-02 26 {2003}-10-02 10-27 11-12 11-24
IA6062 NORTHBORO -29 31 {1901}-09-18 27 {1899}-09-29 10-26 11-12 11-15
IA5844 MUSCATINE 2N -25 27 {2003}-10-02 27 {2003}-10-02 10-17 11-12 11-22
IA5842 MUSCATINE 2 -29 32 {1991,1896}-09-20 25 {1942}-09-28 10-25 11-12 11-23
IA5750 MOULTON 5 W -18 32 {2012}-09-23 28 {2003}-10-02 10-27 11-12 11-21
IA4433 KILLDUFF -23 32 {1984}-09-26 28 {1979}-10-13 10-19 11-12 11-12
IA4280 KALONA 1 SSW -22 32 {2012}-09-23 24 {2003}-10-02 10-27 11-12 11-24
IA4139 IOWA CITY 5 SW -23 32 {2012}-09-23 24 {2003}-10-02 10-17 11-12 11-23
IA4102 IOWA CITY 2 -23 32 {2012}-09-23 24 {2003}-10-02 10-25 11-12 11-21
IA3022 FRUITLAND -29 32 {1913}-09-22 26 {1935}-10-04 10-21 11-12 11-22
IA3562 HAMBURG -29 31 {1901}-09-18 28 {1942}-09-28 10-25 11-12 11-22
IA0745 BLOCKTON 1W -28 31 {1901}-09-18 28 {1942}-09-28 10-27 11-13 11-23
IA2541 EDDYVILLE -22 31 {1942}-09-24 24 {1942}-09-28 10-26 11-13 11-22
IA3567 HAMBURG -22 32 {1974}-10-01 28 {1976}-10-16 10-15 11-14 11-21
IA5847 MUSCATINE 6 N -14 32 {1949}-09-29 26 {1948}-10-17 10-16 11-15 11-21
IA6531 PELLA 4 WSW -19 27 {2003}-10-02 27 {2003}-10-02 10-16 11-16 11-20
IA5132 MAQUOKETA 2 NE -27 32 {2003}-09-29 23 {2003}-10-02 10-15 11-17 11-24
IA4912 LONE TREE 5 SW -22 32 {2003}-09-29 24 {2003}-10-02 10-17 11-17 11-23
IA4394 KEOSAUQUA 2 -21 32 {1942}-09-24 25 {1942}-09-28 10-28 11-19 11-22
IA2069 DAVENPORT LOCK & DAM 15 -22 30 {1974}-10-02 28 {1979}-10-13 10-28 11-20 11-27
IA4705 Le Claire L&D 14 -28 32 {1942}-09-26 28 {1942}-09-28 10-29 11-20 11-27
IA4381 KEOKUK LOCK DAM 19 -27 30 {1992}-09-23 23 {1952}-10-06 11-02 11-21 11-28
IA4376 KEOKUK LOCK & DAM 19 -14 24 {1952}-10-06 24 {1952}-10-06 11-03 11-21 11-22
IA3007 Fort Madison -28 32 {1913}-09-22 26 {1942}-09-28 10-28 11-21 11-27