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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 (USC00480740) 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 Climatology0.330.420.631.542.792.081.550.841.291.130.520.35

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.89.810.810.710.59.89.710.910.710.57.99.2
20018.69.08.710.811.410.310.19.39.113.18.810.3
200210.810.610.711.411.510.510.111.19.79.59.68.7
20039.710.113.311.410.410.69.69.69.69.910.910.5
20048.811.310.811.812.010.49.310.813.012.09.210.1
20058.97.710.813.08.89.09.18.49.49.2MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200029.8441.8249.0556.7562.6071.1786.5886.8673.0455.8632.8333.05
200136.9431.1044.1954.1467.4877.0086.9387.3876.0255.4053.1835.89
200235.7240.7934.4551.4461.0978.4487.9279.5072.7147.9046.4641.46
200343.0333.2943.0957.9862.2569.9290.4188.7370.1760.9139.5639.66
200437.9839.2052.3257.2068.3670.5281.8975.5168.6355.9645.7340.75
200537.9341.8946.5752.5859.5975.9483.6179.1673.4751.80MM
NCEI Climatology38.9039.6248.7055.2964.2075.7085.7084.0074.2959.6147.9039.10

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200010.4022.5127.7633.6744.1749.4960.5761.5047.6036.5914.4711.21
200120.1511.6926.2534.8844.3751.9860.2861.3554.0944.6028.1017.89
200215.1017.9015.5029.8438.0453.5461.3253.5449.7929.6526.3023.12
200323.1716.1224.5736.6242.0548.0262.7761.9646.6537.0618.9820.04
200416.1519.6128.8641.0648.7848.8661.8955.3747.5737.7727.0421.01
200517.4221.7127.5433.1939.5051.5861.6056.3449.2741.90MM
NCEI Climatology11.8014.9022.4129.7039.1048.0054.5052.7043.1130.8020.7012.40

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200020.1232.1638.4145.2153.3860.3373.5774.1860.3246.2323.6522.13
200128.5521.3935.2244.5155.9264.4973.6074.3765.0550.0040.6426.89
200225.4129.3424.9740.6449.5665.9974.6266.5261.2538.7736.3832.29
200333.1024.7033.8347.3052.1558.9776.5975.3558.4148.9929.2729.85
200427.0629.4040.5949.1358.5759.6971.8965.4458.1046.8736.3830.88
200527.6731.8037.0642.8949.5463.7672.6167.7561.3746.85MM
NCEI Climatology25.3527.2635.5642.4951.6561.8570.1068.3558.7045.2034.3025.75

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200070.4%62.4%54.5%47.8%56.9%49.2%40.5%39.2%43.9%59.2%61.9%70.8%
200164.4%70.6%61.4%55.5%40.3%47.5%45.1%34.1%39.2%60.1%53.0%58.9%
200258.0%55.5%72.3%60.8%55.9%44.1%41.5%46.0%47.5%61.1%50.8%52.9%
200357.9%62.7%62.2%55.1%58.7%57.1%34.2%37.4%40.2%42.4%57.1%59.5%
200457.4%58.4%48.5%43.7%38.1%47.8%41.6%41.0%47.6%55.7%50.7%54.7%
200560.7%53.1%54.5%50.3%58.1%46.6%39.2%44.0%38.9%75.5%MM

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