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 (USC00476420) 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
20040.770.474.191.229.694.581.103.060.531.111.271.39
20053.421.660.812.282.311.992.773.214.240.523.211.14
20062.960.963.643.524.833.083.394.294.584.393.213.07
20071.391.922.834.221.613.045.1413.831.262.910.473.63
20081.583.872.523.593.826.226.621.746.592.940.00M
2009MMMMMMMMM0.90MM
NCEI Climatology1.711.562.203.364.284.734.393.883.642.892.331.64

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007MMMMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200424.8732.8147.9362.3368.8376.7779.6576.6879.2862.3347.7732.30
200528.1336.9341.7362.8766.5583.6084.8784.2679.8362.6247.6826.35
200637.9033.7943.6162.9768.7477.2384.5082.1669.4755.6549.3837.16
200733.4821.1947.8354.3774.1679.4179.7380.6376.0067.5248.0033.79
200845.0028.1541.6860.0069.0378.1381.8480.0374.2059.1363.00M
2009MMMMMMMMM51.00MM
NCEI Climatology29.0032.6644.4057.0068.6078.0981.9080.1973.2060.9046.4035.01

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20049.7714.1129.7735.6746.0755.2058.2654.5854.0038.2831.0016.17
200513.1922.6722.6037.0744.3560.6760.1360.7755.9042.4228.4813.23
200626.2315.7124.9739.2147.8455.4362.9060.8449.9036.9732.9322.39
200717.574.1928.3734.5348.9759.9459.9063.5253.4347.5532.6223.00
2008M7.1525.0340.4844.7059.8762.5561.8758.0738.9041.00M
2009MMMMMMMMM41.00MM
NCEI Climatology12.6114.5525.0134.8045.7055.7059.2056.9150.2039.0028.5919.58

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200417.3223.4638.8549.0057.4565.9868.9565.6366.6450.3139.3924.23
200520.6629.8032.1749.9755.4572.1372.5072.5267.8652.5237.8319.79
200632.0624.7534.2951.0958.2966.3373.7071.5059.6846.3141.1629.77
200725.3312.6938.1044.4561.5669.6869.8272.0764.7257.5340.1728.54
2008M17.6533.3550.2456.8769.0072.1970.9566.1049.0252.00M
2009MMMMMMMMM46.00MM
NCEI Climatology20.8123.6134.7045.9057.1566.9070.5568.5561.7049.9537.5027.30

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007MMMMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM

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