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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 (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
200010.616.613.612.813.311.110.412.214.913.014.317.8
200116.718.013.714.712.214.613.211.312.431.416.122.6
200218.320.118.316.314.113.211.713.113.19.516.317.2
200317.613.420.714.012.112.010.911.711.611.119.120.2
200422.017.016.612.415.012.911.415.117.417.114.220.7
200516.314.813.413.111.914.710.211.712.310.4MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200024.8037.6541.2150.0064.1572.0384.9083.3367.0452.2826.5527.12
200127.6528.3440.8353.1266.2076.4084.2086.0075.0451.8044.8427.80
200228.9531.1535.9651.6262.4877.6087.7478.4569.7449.9538.0832.23
200337.3432.2640.6955.2264.6970.7689.0885.4268.0057.9932.3030.37
200426.0827.1644.4852.0462.4870.7680.1976.0467.5353.7239.0933.50
200532.6036.3042.3851.4460.9341.0684.8577.1668.6945.50MM
NCEI Climatology34.8036.7647.8054.7064.6176.5986.3084.5173.5058.0044.3034.00

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.6419.4820.6745.0540.6945.3754.0655.6340.4632.767.759.01
20018.668.6620.6230.0838.5046.5255.4654.3245.4237.4023.0613.06
20027.529.4412.7426.6634.5548.0857.3248.8441.9627.4318.0313.94
200317.668.0922.8830.8637.6943.2256.1055.5239.5631.5513.7014.93
20049.419.1022.4829.9637.3444.1254.2249.1944.0334.1921.0915.89
200515.4115.4321.0328.1235.5716.7455.8652.3145.2237.40MM
NCEI Climatology13.1116.3324.7031.0040.0048.3956.4055.3046.1033.4022.6014.41

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200014.7228.5630.9447.5252.4258.7069.4869.4853.7542.5217.1518.06
200118.1518.5030.7241.6052.3561.4669.8370.1660.2344.6033.9520.43
200218.2420.2924.3539.1448.5262.8472.5363.6555.8538.6928.0623.09
200327.5020.1731.7843.0451.1956.9972.5970.4753.7844.7723.0022.65
200417.7518.1333.4841.0049.9157.4467.2062.6155.7843.9630.0924.70
200524.0025.8631.7039.7848.2528.9070.3564.7456.9641.45MM
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%40.8%40.7%44.9%41.7%90.4%MM

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