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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 (USC00480761) 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 Climatology0.360.410.530.621.220.660.540.650.740.700.420.46

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.911.714.44.913.612.99.810.412.410.711.412.0
200112.812.112.411.714.212.610.99.511.528.710.213.9
200215.313.615.115.814.413.011.412.912.111.412.712.5
200314.313.718.413.612.312.310.610.111.414.313.012.7
200413.511.314.615.014.38.911.513.114.515.211.014.2
200512.79.613.512.511.111.29.19.59.813.6MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200028.0437.1540.3648.6563.6672.6383.4580.8364.9452.7927.5729.15
200127.4729.6240.8850.7864.3475.2682.2883.3772.0944.6043.0427.47
200227.8833.3636.7053.1862.3177.2486.4177.8767.8848.1536.7432.70
200336.6530.5241.0653.1262.7769.3287.3481.9967.5856.1931.6430.49
200426.4827.1046.8651.6861.5572.2876.2973.0965.5052.1135.7933.37
200533.6935.3440.4451.7060.1969.4182.6575.7066.8748.20MM
NCEI Climatology33.1036.0346.2055.1065.4077.2085.5083.3073.2058.4044.0033.10

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.9620.6322.6846.8540.8147.7757.3757.7241.9634.3812.3913.19
200112.5512.7124.2231.5239.7847.6657.2056.5846.2435.6025.0411.04
200211.2111.1116.2628.7037.5749.3457.5550.2344.3028.5819.1016.73
200322.0113.4924.8631.4039.6644.4859.4156.1541.9633.3516.6415.80
200411.9111.0825.7331.1039.1445.9254.1250.4344.8735.7322.4618.37
200519.5616.7021.9528.2437.7846.5758.4852.5244.8738.30MM
NCEI Climatology11.0013.9323.3029.0036.6043.8050.7149.1040.6930.3120.0010.90

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200018.5028.8931.5247.7552.2360.2070.4169.2853.4543.5819.9821.17
200120.0121.1732.5541.1552.0661.4669.7469.9759.1640.1034.0419.25
200219.5522.2326.4840.9449.9463.2971.9864.0556.0938.3727.9224.71
200329.3322.0032.9642.2651.2256.9073.3769.0754.7744.7724.1423.15
200419.2019.0936.3041.3950.3559.1065.2161.7655.1843.9229.1225.87
200526.6326.0231.1939.9748.9857.9970.5764.1155.8743.25MM
NCEI Climatology22.0524.9834.7542.0551.0060.5068.1066.2056.9544.3532.0022.00

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200055.7%63.0%54.9%41.9%40.1%30.9%25.2%36.0%41.0%53.4%63.3%65.1%
200166.4%71.5%60.9%50.3%39.0%26.9%28.4%30.9%32.4%51.7%59.2%68.9%
200264.5%52.3%58.1%44.4%34.9%28.6%30.3%34.3%42.5%51.1%63.2%69.1%
200367.7%68.1%59.6%41.8%41.7%45.2%24.1%36.2%38.6%37.5%74.3%71.3%
200468.6%79.1%56.1%56.5%41.1%53.1%40.0%38.8%51.7%66.4%83.2%77.7%
200584.1%76.4%72.0%55.8%58.4%45.7%33.2%50.1%46.4%77.7%MM

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