Information Last Ob Photographs Meteogram Network Table Neighbors Monthly Summaries Observation History Wind Roses Custom Wind Roses Data Calendar Download

The following tables present IEM computed monthly data summaries based on daily data provided by or computed for the IEM. A download interface exists for the daily summary information. The climatology is provided by the nearest NCEI climate station () within the current 1991-2020 dataset.

To load shown data into Microsoft Excel, highlight the table information with your mouse and then copy/paste into Excel.

Precipitation Totals [inch]

YearJanFebMarAprMayJunJulAugSepOctNovDec
19570.00M0.000.000.000.000.000.000.000.000.000.00
19580.000.000.000.000.000.000.000.000.000.000.000.00
19590.000.000.000.000.000.000.000.000.000.000.000.00
19600.000.000.000.000.000.000.000.000.000.000.000.00
19610.000.000.000.000.000.000.000.000.000.000.000.00
19620.000.000.000.000.000.000.000.000.000.000.000.00
1963MMMMMMMMMMMM
1964MMMMMMMMM0.000.000.00
19650.000.000.000.000.000.000.000.000.000.000.000.00
19660.000.000.000.000.000.000.000.000.000.000.000.00
19670.000.000.000.000.000.000.000.000.000.000.000.00
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
19730.000.000.000.000.000.000.000.000.000.000.000.00
19740.000.000.000.000.000.000.000.000.000.000.000.00
19750.000.000.000.000.000.000.000.000.000.000.000.00
19760.000.000.000.000.000.000.000.000.000.000.000.00
19770.000.000.000.000.000.000.000.000.000.000.000.00
19780.000.000.000.000.000.000.000.000.000.000.000.00
19790.000.000.000.000.000.000.000.000.000.000.000.00
19800.000.000.000.000.000.000.000.000.000.000.000.00
19810.000.000.000.000.000.000.000.000.000.000.000.00
19820.000.000.000.000.000.000.000.000.000.000.000.00
19830.000.000.000.000.000.000.000.000.000.000.000.00
19840.000.000.000.000.000.000.000.000.000.00MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMM0.000.000.000.000.00MMMM
19880.000.000.000.000.000.000.000.000.000.000.000.00
19890.000.000.000.000.000.000.000.000.000.000.000.00
19900.000.000.000.000.000.000.000.000.000.000.000.00
19910.000.000.000.000.000.000.000.000.000.000.000.00
19920.000.000.000.000.000.000.000.000.000.000.000.00
19930.000.000.000.000.000.000.000.000.000.000.000.00
19940.000.000.000.000.000.000.000.000.000.000.000.00
19950.000.000.000.000.000.000.000.000.000.000.000.00
19960.000.000.000.000.000.000.000.000.000.000.000.00
19970.000.000.000.000.000.000.000.000.000.000.000.00
19980.000.000.000.000.000.000.000.000.000.000.000.00
19990.000.000.000.000.000.000.000.000.000.000.000.00
20000.000.000.000.000.000.000.000.000.000.000.000.00
20010.000.000.000.000.000.000.000.000.000.000.000.00
20020.000.000.000.000.000.000.000.000.000.000.000.00
20030.000.000.000.000.000.000.000.000.000.000.000.00
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007M0.00MMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
2010MMMMMMMMMMMM
2011MMMMMMM0.000.000.000.000.00
20120.000.000.000.000.000.000.000.000.000.000.000.00
20130.000.000.000.000.000.000.000.000.00MMM
2014MMMMMMMMMMMM
2015MMMMMMMMMMMM
2016MMMMM0.000.00MMMMM
2017MMMMMM0.00MMMMM
2018MMMMMMMMMMMM
2019MMMMMMMMMMMM
2020MMMMMMMMMMMM
2021MMMMMMMMMMMM
2022MMMMMMMMMMMM
2023MMMMMMMMMMMM
2024MMMMMMMMMMMM
2025MMMMMMMMMMMM

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1957MMMMMMMMMMMM
1958MMMMMMMMMMMM
1959MMMMMMMMMMMM
1960MMMMMMMMMMMM
1961MMMMMMMMMMMM
1962MMMMMMMMMMMM
1963MMMMMMMMMMMM
1964MMMMMMMMMMMM
1965MMMMMMMM3.93.74.53.9
19664.05.58.66.97.78.24.95.05.44.42.92.9
19672.95.76.84.54.34.64.34.54.24.13.42.8
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
19732.94.63.04.24.33.53.63.73.12.84.34.2
19742.33.14.04.13.83.44.34.13.42.63.23.7
19753.64.84.34.54.64.03.33.13.42.73.04.2
19765.26.05.04.73.35.24.13.83.14.53.34.3
19773.72.84.54.43.23.22.62.94.32.81.83.4
19783.52.72.02.84.22.52.93.43.13.03.13.0
19793.14.23.23.54.53.94.13.33.43.34.12.1
19802.32.33.03.74.43.34.93.63.54.13.25.2
19813.54.63.94.23.84.16.05.42.91.24.04.1
19823.94.04.44.14.83.93.84.24.84.23.82.3
19833.73.44.24.64.64.84.23.75.14.33.34.7
19842.84.15.43.84.34.05.64.83.95.5MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMMMMMMMMMMM
19882.73.64.24.53.74.33.93.74.93.64.03.0
19893.65.63.83.94.93.25.04.13.02.93.43.4
19902.62.85.63.14.43.44.74.04.03.03.23.7
19912.23.44.83.94.83.74.14.23.23.21.82.7
19922.64.55.24.94.53.24.34.43.43.03.12.6
19931.83.64.74.64.34.64.04.43.93.65.12.0
19943.04.78.95.73.85.54.32.94.23.93.42.6
19953.84.66.56.95.04.65.64.15.14.84.33.4
19965.43.54.34.34.76.75.94.33.93.46.99.9
19978.86.310.67.86.87.47.06.16.66.28.17.0
19985.49.07.08.57.68.26.28.07.27.96.38.2
19998.49.99.09.37.37.97.16.46.67.17.87.0
20007.36.57.18.66.06.85.44.76.26.26.49.0
20018.08.37.67.68.37.37.25.66.37.58.07.6
20026.56.87.38.27.56.35.28.18.49.28.86.6
20039.07.28.37.88.28.07.07.08.88.79.610.9
20048.68.57.98.48.76.35.47.07.37.56.98.5
20056.98.48.87.17.98.96.46.36.34.95.86.4
20066.56.55.65.46.25.55.66.15.86.25.46.1
20074.74.96.86.26.35.65.25.64.55.75.64.7
20085.36.95.67.16.15.36.24.85.35.16.96.9
2009MMMMMMMMMMMM
2010MMMMMMMMMMMM
2011MMMMMMM4.55.05.06.64.6
20125.46.07.17.36.35.45.45.85.95.86.64.7
20136.47.18.96.86.06.75.76.85.54.66.09.2
20145.45.47.15.76.06.35.45.54.95.17.16.0
20156.58.35.34.85.76.35.26.74.84.55.24.7
20165.37.55.35.26.15.75.77.37.35.76.16.7
20176.05.65.67.06.08.95.95.25.08.05.16.0
20185.75.59.16.44.46.24.47.25.55.94.94.4
20195.46.19.36.25.95.54.85.06.2MMM
2020MM6.0MMM7.17.57.86.88.08.0
20218.08.18.06.67.57.37.56.97.07.37.77.2
20227.87.88.69.68.38.17.86.87.38.77.08.4
20237.29.17.09.07.77.67.27.97.17.56.87.7
20248.09.49.89.27.57.67.06.97.07.57.36.9
20258.57.710.3MMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
195756.50M66.7166.2075.3377.5090.8188.4582.7368.7460.7353.06
195855.1662.4662.2364.9374.8177.1385.1386.1683.0074.0361.0056.29
195959.1955.5661.3265.6969.6079.1286.3788.9274.6272.9358.4455.00
196055.1263.5962.4067.7178.0977.3685.5884.1788.1468.0962.3850.91
196151.6365.0068.3266.8778.6378.3390.2191.3381.6469.9561.0962.41
196258.0056.9459.4063.5675.7580.4389.7894.1283.9273.2058.6858.90
1963MMMMMMMMMMMM
1964MMMMMMMMM72.7664.5052.62
196552.8955.8363.7563.1178.9383.6982.0886.8976.3771.2662.4357.16
196662.5565.4665.4869.8380.0382.7385.7190.1386.4768.6558.8360.16
196759.3260.6168.1666.1773.1982.5791.9790.9482.0374.1362.9054.81
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197356.5356.3760.8769.6076.2978.9086.6891.6882.9073.5869.1054.84
197459.9458.2559.2958.6073.8179.3092.5891.4581.3768.9468.0364.97
197560.3961.6859.2663.5767.1777.1394.4291.3281.3777.6565.2758.23
197658.1758.7661.5860.4768.4884.1384.2091.3979.2068.7462.2861.13
197757.3560.2168.1072.1771.9476.3282.0383.0384.2172.0764.5363.27
197857.2162.3762.7463.2368.5572.9093.7089.0389.5076.0668.6762.63
197960.4160.7661.0367.9076.4180.0087.3288.7781.1369.1066.6360.60
198059.2363.2463.3270.1771.8182.9792.0691.7188.2075.1365.1357.74
198159.6560.1170.2363.8773.7785.8691.5887.1084.3777.5976.0762.19
198258.7960.5467.0366.2773.9083.7085.3987.8482.5371.4065.2055.90
198363.1058.7170.1668.3371.8786.4382.5584.2389.6382.5567.9063.10
198455.8759.2462.2971.1363.3979.0395.2989.2983.3376.19MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMM82.0070.0070.0082.0076.00MMMM
198860.0057.5466.1668.1370.7177.1392.8192.9089.6075.5867.7060.16
198958.1960.7968.3963.0075.9778.6892.0690.3984.0378.6866.1762.84
199056.5266.7968.7464.9775.8781.1091.9093.1085.3773.3265.0758.52
199158.1354.1259.9466.4374.3985.6792.1092.4882.8470.0564.8362.74
199260.2963.7264.0369.1377.4272.3789.8490.9485.5369.8767.4361.29
199358.8762.4365.7166.8771.4881.4092.8789.0377.0070.3260.0059.84
199457.8460.6066.7468.4375.0686.2793.5889.6781.0375.4270.2763.61
199560.7464.2567.0670.5081.8180.2790.9090.7179.5080.8771.1362.65
199659.8756.9363.0668.6375.0687.6091.9485.9479.0776.6567.9059.81
199759.7467.2974.4271.7073.2678.3085.7487.1685.7377.9066.9361.48
199858.8765.8272.5867.1370.9786.0091.2692.3283.1776.5570.7060.06
199959.6057.4364.1074.0780.3986.0790.7189.7481.6775.6864.8059.65
200059.0368.8372.6567.6375.6589.1391.8493.1085.9371.0364.3062.74
200159.3962.8970.8773.1376.6189.9089.1990.4581.6381.9766.9065.86
200265.7468.4668.8168.2776.1683.2189.6186.3583.6377.4866.4762.74
200357.8359.3668.9068.7381.7188.2091.6593.2387.8373.0065.0059.97
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007M62.71MMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
2010MMMMMMM87.80MM53.6063.63
201157.84MM62.6063.5072.2073.4087.4487.6280.4565.7759.78
201260.7457.8869.0666.3785.0189.3393.2795.6285.3277.1265.7761.38
201360.8058.9463.3369.8673.2385.7693.1495.5884.2078.9765.8461.21
201458.9461.3163.7673.3483.3983.8488.1591.5783.0083.9766.6858.44
201557.5554.4464.6371.3084.7887.8097.0391.8183.4878.8670.8270.61
201665.7462.9763.3069.9877.8789.4296.8698.9587.8681.9466.5661.90
201759.3562.7967.8379.5283.9794.9495.7096.7489.0087.5773.9459.81
201858.4258.3662.4365.7871.3779.5888.9096.6888.7075.6164.7066.90
201959.9366.1470.2670.4085.3084.2688.8593.9084.9260.3555.4051.35
202053.6053.3857.0961.5265.6072.8995.1492.8588.8876.3672.5061.09
202158.4264.2766.6170.2881.5984.7495.3592.0488.0482.8664.8266.26
202264.9269.4863.1868.7285.0188.82100.5793.3783.7286.8473.7666.84
202359.4162.2173.2382.4078.6889.4295.29100.4085.7683.7972.1466.37
202469.2268.0667.4274.7881.1284.5694.9492.9186.9676.4876.8866.49
202563.8864.6663.77MMMMMMMMM

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
195734.50M48.1449.4057.3356.5066.1067.4563.5054.6547.4741.68
195844.3549.0046.5848.0756.2357.9761.8465.9063.0055.7148.5346.68
195946.6742.6848.3947.8654.0058.2065.5266.9259.8556.7347.7844.67
196043.1250.1449.5647.7157.7361.5764.7463.2565.4355.0053.6242.91
196141.5847.0651.1650.2658.4860.2967.3367.1263.7354.6751.1450.35
196244.8740.1749.7549.9456.3858.8665.7072.1864.6760.7247.1144.10
1963MMMMMMMMMMMM
1964MMMMMMMMM56.5650.8142.19
196542.3243.6749.5048.4357.4362.4160.8167.1158.1057.7749.0744.61
196646.1348.2944.3949.3055.3559.5061.2664.9063.7053.9443.6341.42
196741.6144.0046.7148.2753.6858.7066.0065.7159.8757.3548.6041.26
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197342.0342.4445.7447.4354.4258.9064.0367.1059.8654.3252.1743.03
197442.1044.0042.9445.6354.3559.2367.0065.4858.8351.6548.8041.74
197542.7745.2144.8148.6050.9756.2066.1365.7158.4355.1346.8742.81
197639.1344.7644.1046.5353.8462.1063.5366.7759.3053.1045.5547.77
197744.1946.3948.9052.4751.9755.3659.6161.0662.6655.4848.3349.13
197844.4148.5946.2347.9050.9755.2366.2065.4864.4055.7749.1049.67
197947.6247.7245.2745.9754.1959.4065.7764.2061.8055.9448.1342.93
198041.7743.9746.0349.3751.4559.0764.5267.0366.0356.5248.3041.39
198139.0042.0449.2349.1051.4563.2865.3963.7160.8757.8552.8747.97
198244.2944.7946.9750.4355.1060.0061.7164.1961.9352.3748.5340.94
198341.6544.0751.2350.9052.2361.4759.8161.3565.1760.9754.3346.26
198441.4542.2843.9753.2750.5858.3768.1064.9762.0752.96MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMM66.0059.0060.0068.0064.00MMMM
198843.2043.1245.8749.5752.2958.1366.4267.7064.5758.1952.6740.00
198939.0645.0047.2347.3755.2958.5867.6169.1362.7360.3951.7049.42
199039.5845.2948.6547.4054.2659.4368.1067.8766.3055.5850.1445.68
199140.2940.5647.0048.5351.9060.9067.7768.1662.7653.5046.7045.16
199238.8444.2446.2349.0056.9455.3064.7167.1963.1754.0347.6343.87
199337.9041.3646.6548.0052.9059.4367.2664.7458.4053.2347.8343.48
199441.2644.3649.0347.4355.2661.7769.4266.8757.8057.3251.5742.13
199541.4845.0448.5550.3757.9760.1367.2666.1658.7358.1953.1748.29
199647.8142.0346.0650.1754.4562.7364.7160.9458.7753.7448.0747.26
199745.0044.4347.8751.8754.4257.1760.1963.0663.6758.3251.8344.87
199841.7746.8946.5546.8751.9760.2064.3265.7161.7352.1347.8740.29
199941.1038.4345.7448.6054.7159.3364.1664.3560.4358.1045.8341.84
200038.4542.3846.5547.0754.5561.7364.1666.6862.2052.5547.5345.81
200144.2342.1148.6147.8353.1660.1361.6563.7459.9058.1947.5347.07
200244.7444.6847.6549.1751.8459.2862.5260.9059.8057.7149.2046.87
200341.9341.2949.2349.5055.6163.0365.0668.2361.6356.4248.2743.26
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007M46.11MMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
2010MMMMMMM87.80MM51.8049.29
201143.96MM62.6053.6071.0068.0061.8862.2460.8050.3041.93
201239.9536.9045.3847.9558.0763.0364.8266.4362.9657.9551.9843.96
201342.8641.1947.8849.7050.9957.6264.9867.5461.8256.8547.0041.75
201444.1442.5445.3550.7857.1456.4262.3764.5761.8259.1251.3842.18
201540.7140.3645.0150.3057.1461.3467.7767.5961.1059.7547.4246.92
201646.2844.5443.7948.9855.5760.7469.9268.5862.9660.8649.1644.95
201740.4846.8546.7553.3659.1265.6666.6170.3862.7862.6050.3041.87
201841.9340.6847.8549.9452.7958.1661.3268.8166.0257.0349.3444.89
201940.8342.6147.2748.7456.6857.4462.7767.0164.4059.9053.3049.10
202043.8850.2252.7054.5059.0068.2668.2865.7962.8452.8549.8245.24
202141.1742.9345.1850.9653.1958.1664.2864.1160.4454.3544.4243.55
202240.3043.5144.7746.4655.7560.2668.0665.1561.7061.9649.0447.74
202339.2642.9947.3352.1652.5062.5465.2167.7760.1458.8347.1242.92
202445.3044.4847.7950.8453.8359.0065.5067.1361.8256.9752.3442.80
202541.4642.5446.58MMMMMMMMM

Average Daily Temperature (high+low)/2 [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
195745.50M57.4357.8066.3367.0078.4577.9573.1261.6954.1047.37
195849.7655.7354.4056.5065.5267.5573.4876.0373.0064.8754.7751.48
195952.9349.1254.8656.7861.8068.6675.9477.9267.2364.8353.1149.83
196049.1256.8655.9857.7167.9169.4675.1673.7176.7961.5558.0046.91
196146.6156.0359.7458.5768.5669.3178.7779.2372.6862.3156.1156.38
196251.4348.5654.5856.7566.0669.6477.7483.1574.2966.9652.8951.50
1963MMMMMMMMMMMM
1964MMMMMMMMM64.6657.6547.40
196547.6149.7556.6255.7768.1873.0571.4477.0067.2364.5255.7550.89
196654.3456.8854.9459.5767.6971.1273.4877.5275.0861.2951.2350.79
196750.4752.3057.4457.2263.4470.6378.9878.3270.9565.7455.7548.03
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197349.2849.4153.3158.5265.3568.9075.3579.3971.3863.9560.6348.94
197451.0251.1251.1152.1264.0869.2779.7978.4770.1060.2958.4253.35
197551.5853.4552.0356.0859.0766.6780.2778.5269.9066.3956.0750.52
197648.6551.7652.8453.5061.1673.1273.8779.0869.2560.9253.9154.45
197750.7753.3058.5062.3261.9565.8470.8272.0573.4363.7856.4356.20
197850.8155.4854.4855.5759.7664.0779.9577.2676.9565.9258.8856.15
197954.0254.2453.1556.9365.3069.7076.5576.4871.4762.5257.3851.77
198050.5053.6054.6859.7761.6371.0278.2979.3777.1265.8256.7249.56
198149.3251.0759.7356.4862.6174.5778.4875.4072.6267.7264.4755.08
198251.5452.6657.0058.3564.5071.8573.5576.0272.2361.8856.8748.42
198352.3751.3960.6959.6262.0573.9571.1872.7977.4071.7661.1254.68
198448.6650.7653.1362.2056.9868.7081.6977.1372.7064.58MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMM74.0064.5065.0075.0070.00MMMM
198851.6050.3356.0258.8561.5067.6379.6180.3077.0866.8960.1850.08
198948.6352.8957.8155.1865.6368.6379.8479.7673.3869.5358.9356.13
199048.0556.0458.6956.1865.0670.2780.0080.4875.8364.4557.6052.10
199149.2147.3453.4757.4863.1573.2879.9480.3272.8061.7755.7753.95
199249.5653.9855.1359.0767.1863.8377.2779.0674.3561.9557.5352.58
199348.3951.8956.1857.4362.1970.4280.0676.8967.7061.7753.9251.66
199449.5552.4857.8957.9365.1674.0281.5078.2769.4266.3760.9252.87
199551.1154.6457.8160.4369.8970.2079.0878.4469.1269.5362.1555.47
199653.8449.4854.5659.4064.7675.1778.3273.4468.9265.1957.9853.53
199752.3755.8661.1561.7863.8467.7372.9775.1174.7068.1159.3853.18
199850.3256.3659.5657.0061.4773.1077.7979.0272.4564.3459.2850.18
199950.3547.9354.9261.3367.5572.7077.4477.0571.0566.8955.3250.74
200048.7455.6059.6057.3565.1075.4378.0079.8974.0761.7955.9254.27
200151.8152.5059.7460.4864.8975.0275.4277.1070.7770.0857.2256.46
200255.2456.5758.2358.7264.0071.2476.0673.6371.7267.6057.8354.81
200349.8850.3259.0659.1268.6675.6278.3580.7374.7364.7156.6351.61
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007M54.41MMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
2010MMMMMMM87.80MM52.7056.46
201150.90MM62.6058.5571.6070.7074.6674.9370.7758.0150.78
201250.5547.3957.2657.2471.5476.2779.0481.0374.0867.5858.8852.67
201351.8350.0655.5359.7162.1171.6979.0681.5673.0167.9156.4251.48
201451.5451.9354.5662.0670.2670.1375.2678.0772.4171.5459.0350.31
201549.1347.4054.8260.8070.9674.5782.4079.7072.2969.3159.1258.77
201656.0153.7653.5459.4866.7275.0883.3983.7675.4171.4057.8653.43
201749.9154.8257.2966.4471.5480.3081.1583.5675.8975.0862.1250.84
201850.1749.5255.1457.8662.0868.8775.1182.7577.3666.3257.0255.89
201950.3854.3758.7759.5770.9970.8575.8180.4574.6660.1254.3550.23
202048.7451.8054.8958.0162.3070.5781.7179.3275.8664.6061.1653.16
202149.8053.6055.8960.6267.3971.4579.8278.0774.2468.6154.6254.91
202252.6156.4953.9857.5970.3874.5484.3279.2672.7174.4061.4057.29
202349.3352.6060.2867.2865.5975.9880.2584.0872.9571.3159.6354.65
202457.2656.2757.6162.8167.4871.7880.2280.0274.3966.7264.6154.65
202552.6753.6055.18MMMMMMMMM

Average Relative Humidity [%]

This value is computed via a simple average of available observations weighted by the duration between observations.

YearJanFebMarAprMayJunJulAugSepOctNovDec
1957MMMMMMMMMMMM
1958MMMMMMMMMMMM
1959MMMMMMMMMMMM
1960MMMMMMMMMMMM
1961MMMMMMMMMMMM
1962MMMMMMMMMMMM
1963MMMMMMMMMMMM
1964MMMMMMMMMMMM
1965MMMMMMMM69.1%74.4%77.1%83.6%
196678.0%68.1%60.3%63.3%54.6%56.7%61.9%53.6%53.5%76.4%74.6%66.9%
196768.8%72.9%64.7%67.7%61.8%59.2%49.3%51.8%61.5%68.4%74.4%77.5%
1968MMMMMMMMMMMM
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197372.9%76.5%78.8%66.6%64.3%66.5%55.0%52.5%62.0%69.1%78.1%85.1%
197482.2%82.2%82.4%86.5%72.1%68.5%48.5%49.7%60.1%70.1%66.5%59.4%
197571.2%77.0%80.1%84.3%77.5%74.0%46.3%53.3%57.3%56.5%64.4%77.3%
197664.0%78.3%71.7%77.7%80.5%64.0%68.7%47.1%68.2%71.3%69.5%74.7%
197782.9%80.9%66.4%60.8%65.3%63.5%66.2%62.0%56.1%70.0%74.4%80.7%
197886.4%77.9%77.6%77.6%72.6%73.6%47.7%57.8%58.6%62.8%58.0%78.3%
197979.9%80.1%76.2%71.5%68.5%73.0%64.2%61.1%64.4%78.9%71.0%68.8%
198074.2%75.5%75.6%66.6%67.1%59.1%45.8%47.2%58.8%70.8%82.8%71.7%
198166.5%73.7%63.4%75.5%62.1%54.9%49.8%54.1%53.8%65.3%51.9%78.0%
198274.8%78.2%72.2%81.9%70.7%64.3%61.6%65.7%69.4%73.3%69.0%79.8%
198362.4%76.8%70.0%65.8%69.3%55.5%62.3%62.1%46.2%54.4%77.2%77.3%
198483.3%78.4%70.2%69.8%78.4%71.5%54.7%58.3%66.3%60.4%MM
1985MMMMMMMMMMMM
1986MMMMMMMMMMMM
1987MMMMMMMMMMMM
198881.7%80.9%71.9%74.8%74.3%69.7%55.5%51.0%50.1%68.2%76.4%68.6%
198970.4%76.0%75.5%78.9%66.8%71.8%58.0%54.0%62.7%69.2%74.5%79.6%
199080.5%73.4%75.6%75.4%71.0%68.2%53.5%51.4%64.5%72.9%73.4%81.5%
199171.8%82.2%83.1%75.5%64.1%59.4%50.3%55.2%59.0%69.4%69.4%72.7%
199257.8%65.5%70.7%69.4%64.1%73.3%55.7%50.8%56.0%72.2%64.5%74.5%
199366.7%65.1%71.7%65.9%69.0%64.5%51.6%57.9%70.8%74.7%83.1%79.1%
199481.1%76.7%75.5%62.4%70.0%60.2%52.9%61.8%60.0%73.8%68.4%68.2%
199569.3%67.4%64.6%67.3%59.9%64.6%53.9%58.2%64.3%53.9%60.9%75.9%
199679.5%82.1%80.6%74.0%67.5%60.1%57.3%67.0%68.9%62.2%67.6%78.5%
199779.3%69.2%50.4%75.1%72.4%73.0%61.4%63.9%65.2%70.6%78.7%79.7%
199883.3%80.3%64.8%71.4%74.0%61.7%61.9%61.9%73.3%57.6%60.3%65.7%
199971.5%72.2%77.2%62.0%60.8%57.7%57.5%59.3%65.9%72.4%71.6%81.1%
200075.2%71.7%60.1%75.3%73.3%53.2%61.7%48.4%59.5%74.4%77.1%75.1%
200179.9%75.5%72.6%65.4%67.1%54.5%59.9%64.5%74.2%60.7%66.9%74.5%
200270.2%67.6%72.1%79.0%64.4%64.9%62.1%65.0%68.7%71.4%74.8%83.4%
200380.5%82.7%80.6%77.4%62.6%64.8%62.5%56.5%60.0%80.6%79.7%81.7%
200482.1%74.6%76.8%75.6%75.1%55.0%50.7%57.9%60.6%61.1%71.1%80.3%
200571.8%69.6%72.4%66.8%58.0%50.0%53.5%46.3%53.4%57.9%68.7%71.7%
200676.7%77.6%74.5%70.8%62.1%60.4%43.1%52.1%53.4%49.0%58.7%64.0%
200755.5%75.2%58.5%73.5%58.4%57.6%42.6%49.3%61.6%59.6%57.7%68.0%
200871.2%69.1%64.7%53.3%63.3%46.2%44.5%46.1%61.8%74.2%72.9%77.1%
2009MMMMMMMMMMMM
2010MMMMMMMMMMMM
2011MMMMMMM60.0%57.8%51.0%69.5%74.0%
201262.6%61.1%58.9%71.6%48.9%52.0%48.5%50.2%56.1%64.1%75.4%70.5%
201374.9%72.4%75.8%69.9%62.6%51.1%46.6%42.4%62.7%60.5%64.8%63.7%
201470.5%75.7%68.1%65.4%49.6%53.3%54.0%48.1%61.2%47.1%69.6%74.6%
201570.0%77.3%70.6%73.5%52.9%50.3%43.5%52.8%60.0%63.9%56.2%40.5%
201665.4%67.5%68.8%66.3%62.0%47.2%43.2%35.6%52.6%57.0%69.7%78.2%
201768.6%80.6%70.8%60.3%60.0%49.2%44.4%45.4%55.1%43.0%44.7%72.7%
201881.6%79.9%82.9%83.8%79.5%74.0%62.6%49.3%60.1%71.0%81.9%72.3%
201971.6%67.5%65.5%71.0%54.3%58.7%65.1%50.6%57.1%MMM
2020MM84.4%MMM54.0%53.3%53.9%63.2%62.0%79.6%
202180.3%75.5%73.8%76.6%64.7%62.6%50.6%58.3%61.8%53.7%68.9%73.5%
202262.9%61.2%77.0%69.9%56.8%57.2%43.5%55.4%63.9%49.2%61.7%73.1%
202375.2%67.8%68.1%51.4%62.9%59.0%53.5%42.4%61.6%56.3%63.2%65.7%
202462.5%66.5%74.9%64.8%62.4%62.8%52.7%56.8%64.4%72.0%61.4%63.5%
202567.7%72.6%77.0%MMMMMMMMM

Monthly Plots

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Monthly Plot
Monthly Plot