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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 (USC00489459) 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 Climatology0.430.410.480.761.350.810.670.720.900.760.640.53

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.313.515.112.812.812.09.810.412.811.411.412.8
200112.112.710.612.311.811.110.79.010.631.610.614.7
200214.414.414.214.812.411.39.312.011.910.312.713.8
200313.212.516.312.811.210.69.19.310.112.213.315.5
200413.811.413.313.713.011.29.912.015.113.111.015.0
200513.710.012.112.411.112.58.810.010.216.3MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200028.0438.2240.4756.3064.2573.0683.9781.5966.9853.6025.4526.31
200125.0327.7640.4848.7466.7175.6883.0282.8272.5846.4043.4024.63
200224.6929.9634.9654.6263.0178.8687.1078.7468.9649.4137.0431.88
200333.9730.3341.0053.3663.4770.1688.0982.7567.8856.8631.2830.14
200426.3727.1647.4252.3463.1271.6077.4272.6165.8352.2836.5332.32
200533.2435.8241.5552.7460.8570.4983.5676.9368.2053.60MM
NCEI Climatology29.6033.5745.2954.5965.1076.9085.0982.7072.6058.1042.2029.91

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.8819.8922.0532.3239.7346.6654.8855.6341.2433.5710.0310.05
20019.4111.0421.2028.4939.2046.0456.2155.1945.0933.8023.969.94
20029.069.8113.5427.6236.1847.5456.2149.6542.8626.9017.7215.22
200318.3511.8123.2931.1638.3343.2256.9755.0540.3432.9016.1016.15
200411.4510.9025.1630.1437.4644.1853.5948.9844.3035.9222.0316.85
200519.0817.7121.3526.5937.2345.8456.3051.3043.9343.70MM
NCEI Climatology8.5011.4520.7926.6034.8042.9050.1048.0039.3129.2018.409.10

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200017.9629.0531.2644.3151.9959.8669.4268.6154.1143.5817.7418.18
200117.2219.4030.8438.6152.9660.8669.6169.0058.8440.1033.6817.28
200216.8819.8924.2541.1249.5963.2071.6664.2055.9138.1627.3823.55
200326.1621.0732.1542.2650.9056.6972.5368.9054.1144.8823.6923.15
200418.9119.0336.2941.2450.2957.8965.5060.7955.0744.1029.2824.59
200526.1626.7731.4539.6649.0458.1669.9364.1156.0748.65MM
NCEI Climatology19.0522.5133.0440.5949.9559.9067.6065.3555.9543.6530.3019.50

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200072.7%75.2%64.9%46.6%48.8%39.9%32.2%42.5%47.0%61.4%77.2%79.1%
200178.4%82.9%76.7%62.4%45.2%34.4%35.9%39.3%40.4%55.0%71.3%82.6%
200279.2%69.5%72.0%53.3%42.6%35.7%39.6%42.2%50.0%57.4%71.7%77.3%
200379.9%79.3%69.3%51.2%51.9%55.6%29.7%43.9%47.3%45.9%79.1%73.6%
200475.0%81.5%58.7%58.9%46.5%47.1%42.4%44.6%55.3%71.3%84.1%81.4%
200590.7%81.5%74.3%58.2%61.5%51.1%36.2%51.3%48.2%72.0%MM

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