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 (USW00094078) 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 Climatology0.891.001.472.432.781.370.790.851.021.560.980.91

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200010.616.613.612.813.311.110.312.014.813.114.217.7
200116.618.013.614.712.214.513.211.212.431.416.122.6
200218.320.018.216.214.113.111.713.013.19.516.217.1
200317.613.320.613.912.112.010.911.611.611.119.020.2
200422.016.916.612.415.012.911.415.117.417.114.020.7
200516.214.813.313.111.914.710.211.612.210.4MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200025.0037.6541.2950.0064.1472.0084.8783.3967.0752.2726.6327.10
200127.7928.4640.8753.2366.3576.5484.3186.1475.2252.0045.0027.97
200229.1531.3436.1151.7762.5977.7087.9178.6269.9350.0438.2632.44
200337.3532.4340.6655.1764.7170.6789.0385.5267.9758.0032.3030.35
200426.0627.0744.5252.0762.4570.8280.2476.0467.5453.7739.1333.55
200532.6436.4442.4651.5361.0441.1284.9477.1268.6945.60MM
NCEI Climatology34.8036.7647.8054.7064.6176.5986.3084.5173.5058.0044.3034.00

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.8019.4020.5945.0540.7945.4354.0355.6540.5332.737.779.00
20018.528.5820.6829.9138.3646.3955.3554.2145.2737.0022.9312.95
20027.439.3112.6126.5034.4247.9357.1448.6841.8127.2817.9213.80
200317.588.2522.9730.9037.7143.2356.1055.5539.5731.6913.7315.00
20049.429.0622.4829.9037.3544.1354.1549.1744.0334.1821.1215.90
200515.3715.3420.9028.0135.4416.7055.8052.3245.2337.30MM
NCEI Climatology13.1116.3324.7031.0040.0048.3956.4055.3046.1033.4022.6014.41

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200014.9028.5230.9447.5252.4758.7169.4569.5253.8042.5017.2018.05
200118.1518.5230.7741.5752.3561.4669.8370.1860.2544.5033.9720.46
200218.2920.3224.3639.1348.5062.8172.5363.6555.8738.6628.0923.12
200327.4720.3431.8143.0351.2156.9572.5670.5353.7744.8423.0222.68
200417.7418.0733.5040.9849.9057.4767.2062.6055.7943.9830.1324.72
200524.0025.8931.6839.7748.2428.9170.3764.7256.9641.45MM
NCEI Climatology23.9526.5536.2542.8552.3162.4971.3569.9059.8045.7033.4524.20

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200075.8%67.0%61.3%49.9%49.2%44.3%35.1%39.5%46.7%62.2%70.4%72.7%
200173.8%76.0%67.7%53.3%45.0%36.8%37.8%37.3%38.5%47.5%72.1%79.0%
200275.7%69.3%74.9%60.9%56.7%44.9%42.9%48.4%53.6%59.3%68.4%78.2%
200374.2%75.6%72.5%54.4%57.3%57.1%36.8%45.9%54.2%50.2%76.8%78.5%
200476.0%84.4%67.3%66.2%52.9%56.3%45.5%47.9%48.7%63.6%70.6%71.0%
200577.8%66.7%66.7%55.8%58.8%40.6%40.7%44.9%41.7%90.4%MM

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