This table was generated at 31 Mar 2025 05 am and is based on available ASOS data. No attempt was made to estimate missing data.
| ID | Name | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | MJJA | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ADU | AUDUBON | 0.06 | 0.02 | 1.04 | M | M | M | M | M | M | M | M | M | 0.00 | 1.12 |
| AIO | ATLANTIC | 0.00 | 0.00 | 1.14 | M | M | M | M | M | M | M | M | M | 0.00 | 1.14 |
| ALO | Waterloo | 0.10 | 0.44 | 2.38 | M | M | M | M | M | M | M | M | M | 0.00 | 2.92 |
| AMW | Ames | 0.23 | 0.02 | 3.31 | M | M | M | M | M | M | M | M | M | 0.00 | 3.56 |
| AWG | WASHINGTON | 1.05 | 0.01 | 1.57 | M | M | M | M | M | M | M | M | M | 0.00 | 2.63 |
| AXA | ALGONA | M | 0.04 | 2.65 | M | M | M | M | M | M | M | M | M | 0.00 | 2.69 |
| BNW | BOONE MUNI | 0.02 | 0.01 | 2.53 | M | M | M | M | M | M | M | M | M | 0.00 | 2.56 |
| BRL | BURLINGTON | 0.64 | 0.19 | 2.58 | M | M | M | M | M | M | M | M | M | 0.00 | 3.41 |
| CAV | CLARION | M | 0.05 | 2.15 | M | M | M | M | M | M | M | M | M | 0.00 | 2.20 |
| CBF | COUNCIL BLUFFS | 0.04 | 0.02 | 1.08 | M | M | M | M | M | M | M | M | M | 0.00 | 1.14 |
| CCY | CHARLES CITY | 0.00 | 0.00 | 1.67 | M | M | M | M | M | M | M | M | M | 0.00 | 1.67 |
| CID | CEDAR RAPIDS | 0.56 | 0.43 | 1.82 | M | M | M | M | M | M | M | M | M | 0.00 | 2.81 |
| CIN | CARROLL | 0.05 | 0.07 | 0.66 | M | M | M | M | M | M | M | M | M | 0.00 | 0.78 |
| CKP | Cherokee | M | M | 0.93 | M | M | M | M | M | M | M | M | M | 0.00 | 0.93 |
| CNC | CHARITON | 0.78 | 0.01 | 1.16 | M | M | M | M | M | M | M | M | M | 0.00 | 1.95 |
| CSQ | CRESTON | 0.49 | 0.01 | 2.03 | M | M | M | M | M | M | M | M | M | 0.00 | 2.53 |
| CWI | CLINTON | 0.47 | 0.05 | 2.17 | M | M | M | M | M | M | M | M | M | 0.00 | 2.69 |
| DBQ | DUBUQUE | 0.10 | 0.49 | 2.71 | M | M | M | M | M | M | M | M | M | 0.00 | 3.30 |
| DEH | DECORAH | 0.00 | 0.00 | 1.35 | M | M | M | M | M | M | M | M | M | 0.00 | 1.35 |
| DNS | DENISON | 0.03 | 0.03 | 1.88 | M | M | M | M | M | M | M | M | M | 0.00 | 1.94 |
| DSM | Des Moines | 0.21 | 0.38 | 2.67 | M | M | M | M | M | M | M | M | M | 0.00 | 3.26 |
| DVN | QUAD CITIES | 0.87 | 0.31 | 2.89 | M | M | M | M | M | M | M | M | M | 0.00 | 4.07 |
| EBS | Webster City | M | M | 1.72 | M | M | M | M | M | M | M | M | M | 0.00 | 1.72 |
| EOK | KEOKUK MUNI | 0.38 | 0.12 | 1.95 | M | M | M | M | M | M | M | M | M | 0.00 | 2.45 |
| EST | ESTHERVILLE | 0.00 | 0.00 | 3.16 | M | M | M | M | M | M | M | M | M | 0.00 | 3.16 |
| FFL | FAIRFIELD | 1.27 | 0.03 | 1.92 | M | M | M | M | M | M | M | M | M | 0.00 | 3.22 |
| FOD | FORT DODGE | 0.00 | 0.14 | 1.42 | M | M | M | M | M | M | M | M | M | 0.00 | 1.56 |
| FSW | FORT MADISON | 0.51 | M | 2.06 | M | M | M | M | M | M | M | M | M | 0.00 | 2.57 |
| FXY | Forest City | M | M | 1.37 | M | M | M | M | M | M | M | M | M | 0.00 | 1.37 |
| GGI | Grinnell | 0.12 | M | 1.58 | M | M | M | M | M | M | M | M | M | 0.00 | 1.70 |
| HNR | HARLAN | 0.04 | M | 1.14 | M | M | M | M | M | M | M | M | M | 0.00 | 1.18 |
| HPT | Hampton | M | 0.05 | 2.85 | M | M | M | M | M | M | M | M | M | 0.00 | 2.90 |
| I75 | Osceola | 0.36 | 0.03 | 1.53 | M | M | M | M | M | M | M | M | M | 0.00 | 1.92 |
| ICL | CLARINDA | 0.53 | M | 1.17 | M | M | M | M | M | M | M | M | M | 0.00 | 1.70 |
| IFA | Iowa Falls | M | 0.06 | 1.65 | M | M | M | M | M | M | M | M | M | 0.00 | 1.71 |
| IIB | INDEPENDENCE | 0.01 | M | 1.45 | M | M | M | M | M | M | M | M | M | 0.00 | 1.46 |
| IKV | ANKENY | 0.02 | M | 1.71 | M | M | M | M | M | M | M | M | M | 0.00 | 1.73 |
| IOW | IOWA CITY | 0.66 | 0.50 | 2.54 | M | M | M | M | M | M | M | M | M | 0.00 | 3.70 |
| LWD | LAMONI | 1.17 | 0.46 | 2.50 | M | M | M | M | M | M | M | M | M | 0.00 | 4.13 |
| MCW | MASON CITY | 0.00 | 0.34 | 3.73 | M | M | M | M | M | M | M | M | M | 0.00 | 4.07 |
| MIW | MARSHALLTOWN | 0.01 | 0.03 | 2.73 | M | M | M | M | M | M | M | M | M | 0.00 | 2.77 |
| MPZ | MOUNT PLEASANT | 0.29 | M | 0.22 | M | M | M | M | M | M | M | M | M | 0.00 | 0.51 |
| MUT | MUSCATINE | 0.65 | 0.01 | 1.65 | M | M | M | M | M | M | M | M | M | 0.00 | 2.31 |
| OLZ | OELWEIN | 0.00 | 0.06 | 1.27 | M | M | M | M | M | M | M | M | M | 0.00 | 1.33 |
| OOA | Oskaloosa | 0.65 | 0.05 | 1.04 | M | M | M | M | M | M | M | M | M | 0.00 | 1.74 |
| OTM | OTTUMWA | 1.08 | 0.36 | 1.47 | M | M | M | M | M | M | M | M | M | 0.00 | 2.91 |
| OXV | Knoxville | 0.25 | M | 1.04 | M | M | M | M | M | M | M | M | M | 0.00 | 1.29 |
| PEA | PELLA | 0.22 | 0.03 | 1.03 | M | M | M | M | M | M | M | M | M | 0.00 | 1.28 |
| PRO | Perry | 0.04 | 0.01 | 1.62 | M | M | M | M | M | M | M | M | M | 0.00 | 1.67 |
| RDK | RED OAK | M | 0.09 | 1.35 | M | M | M | M | M | M | M | M | M | 0.00 | 1.44 |
| SDA | SHENANDOAH MUNI | 0.01 | 0.01 | 0.79 | M | M | M | M | M | M | M | M | M | 0.00 | 0.81 |
| SHL | SHELDON | M | 0.01 | 1.91 | M | M | M | M | M | M | M | M | M | 0.00 | 1.92 |
| SLB | Storm Lake | M | 0.01 | 1.43 | M | M | M | M | M | M | M | M | M | 0.00 | 1.44 |
| SPW | SPENCER | 0.00 | 0.16 | 2.50 | M | M | M | M | M | M | M | M | M | 0.00 | 2.66 |
| SUX | SIOUX CITY | 0.19 | 0.37 | 2.95 | M | M | M | M | M | M | M | M | M | 0.00 | 3.51 |
| SXK | Sioux County | M | M | 1.76 | M | M | M | M | M | M | M | M | M | 0.00 | 1.76 |
| TNU | NEWTON MUNI | 0.13 | M | 1.62 | M | M | M | M | M | M | M | M | M | 0.00 | 1.75 |
| TVK | Centerville | 1.99 | 0.07 | 1.24 | M | M | M | M | M | M | M | M | M | 0.00 | 3.30 |
| VTI | VINTON | M | 0.02 | 0.96 | M | M | M | M | M | M | M | M | M | 0.00 | 0.98 |