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 (USC00487105) 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
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
20040.000.000.000.000.000.000.000.000.000.000.000.00
20050.000.000.000.000.000.000.000.000.000.00MM
NCEI Climatology0.580.500.831.241.931.370.741.050.831.130.490.53

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.610.711.29.910.59.58.29.210.89.68.29.1
20018.19.78.311.110.710.28.57.99.130.49.812.0
200211.612.812.713.311.410.49.110.710.39.811.010.9
20039.39.614.610.29.89.48.29.08.910.111.612.0
200410.69.910.810.811.711.49.510.712.313.08.112.1
200510.18.810.810.610.510.98.29.99.618.5MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200027.8039.1943.9456.1866.2973.1486.7484.4869.2356.1627.4727.61
200128.9230.6441.9054.1366.4478.5986.8986.1577.5354.0046.3131.95
200230.2035.4038.6854.6964.1580.3388.9480.8470.9648.4740.3634.70
200338.3531.3243.1656.7065.6170.6389.7785.8768.0759.0034.1833.58
200432.1332.0548.3553.8365.0672.0579.1175.4169.6355.6041.0235.79
200536.9539.7744.5753.4662.7375.2986.0379.8471.5655.60MM
NCEI Climatology33.0035.7445.6053.6964.2076.5085.5082.9972.7958.0944.7933.30

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.8021.1424.0630.5941.4345.9556.4457.3942.4034.238.378.03
20019.948.3821.8432.0440.0047.3856.9356.4047.4539.0024.3213.11
20029.8512.3214.1627.7435.9248.5757.1450.4144.4026.5920.5716.45
200319.399.6825.0033.9039.1044.0757.1361.7540.9031.1216.0016.48
200412.6511.8524.1032.9738.6145.2258.1450.3544.8035.3724.4116.86
200520.0817.9123.3428.8736.5247.9656.4253.5645.2640.80MM
NCEI Climatology16.3016.7226.4031.8040.5050.1057.9156.8047.7136.3027.1917.70

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200017.8030.1634.0043.3953.8659.5571.5970.9455.8245.1917.9217.82
200119.4319.5131.8743.0953.2262.9971.9171.2862.4946.5035.3222.53
200220.0323.8626.4241.2150.0464.4573.0465.6257.6837.5330.4625.58
200328.8720.5034.0845.3052.3557.3573.4573.8154.4845.0625.0925.03
200422.3921.9536.2343.4051.8458.6468.6262.8857.2245.4932.7226.33
200528.5128.8433.9641.1649.6261.6371.2266.7058.4148.20MM
NCEI Climatology24.6526.2336.0042.7452.3563.3071.7069.9060.2547.2035.9925.50

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200079.2%68.3%61.1%52.1%52.7%49.8%38.7%41.7%49.4%61.3%72.7%75.3%
200174.4%77.5%71.9%57.2%48.8%41.7%43.1%41.3%42.0%49.8%64.9%66.8%
200266.1%59.4%64.6%54.6%50.8%39.5%40.2%42.7%52.3%63.0%65.7%72.4%
200374.5%74.8%66.3%52.8%56.2%61.0%38.6%43.2%51.7%47.6%71.6%71.0%
200470.3%75.7%60.5%59.0%51.0%51.9%43.0%46.0%48.2%55.0%64.2%62.8%
200570.8%60.1%55.4%50.2%54.3%37.1%36.3%43.1%37.6%64.8%MM

Monthly Plots

Select month and year:

Monthly Plot
Monthly Plot