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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 (USC00489205) 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
20020.000.000.000.000.000.000.00M0.000.000.000.00
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 Climatology0.450.480.821.772.832.572.131.421.201.480.580.45

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.98.310.514.09.59.19.911.49.710.18.48.4
20018.68.48.110.79.69.48.39.59.110.38.18.2
20027.79.18.39.511.09.69.6M8.48.67.68.4
20037.79.08.711.89.98.88.7M9.08.68.59.8
20048.09.510.99.811.89.88.310.913.212.47.88.6
20057.86.59.412.29.79.89.48.19.611.1MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200032.0039.2848.8444.6066.9773.1488.4487.8075.5057.8429.4825.61
200133.2826.7341.9956.6667.3076.1689.5489.6079.7848.2050.1236.18
200236.0739.9534.9053.9061.9681.0293.54M71.7848.3945.7137.57
200337.1731.2342.1057.2063.3069.5486.8472.0069.2959.6737.0436.41
200433.6837.6550.3558.9467.1074.2485.1879.4172.8158.4343.5439.19
200531.9440.5446.3055.5460.6377.3686.0985.7274.6756.30MM
NCEI Climatology32.4935.1746.9955.8065.3077.2086.9185.3074.8058.7043.5133.21

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200010.4018.1725.2242.3542.3547.6959.4660.4144.3635.955.502.56
200111.626.9922.8834.7041.2350.9660.3959.0750.3339.2022.8211.39
200210.5712.9112.7227.8638.1051.2062.34M50.3626.3922.7915.11
200314.126.8619.7534.0841.3550.2655.2866.0041.1331.4414.3015.16
20049.1813.2627.0635.0039.8046.5261.2652.2748.8135.9124.5017.94
200512.2418.9924.2433.3038.8051.3658.4958.8147.6041.90MM
NCEI Climatology9.4911.9421.9029.7039.5949.2056.7154.4144.3031.8019.4910.30

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200021.2028.7337.0343.4854.6660.4173.9574.1159.9346.8917.4914.09
200122.4516.8632.4445.6854.2763.5674.9774.3365.0543.7036.4723.78
200223.3226.4323.8140.8850.0366.1177.94M61.0737.3934.2526.34
200325.6419.0530.9345.6452.3259.9071.0669.0055.2145.5625.6725.79
200421.4325.4538.7146.9753.4560.3873.2265.8460.8147.1734.0228.56
200522.0929.7635.2744.4249.7264.3672.2972.2661.1349.10MM
NCEI Climatology20.9923.5534.4542.7552.4563.2071.8169.8559.5545.2531.5021.75

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200083.7%74.9%60.1%69.3%57.1%55.8%49.9%45.4%48.3%60.2%75.1%80.2%
200176.5%77.3%73.9%61.6%54.2%58.9%54.4%46.0%52.3%89.4%61.3%67.7%
200268.0%61.3%72.1%63.2%56.9%45.8%43.5%M56.1%64.9%61.1%60.2%
200373.3%72.4%69.0%63.0%64.9%62.4%41.5%M53.4%62.6%80.7%80.1%
200482.5%78.5%67.8%60.7%58.2%58.7%52.5%52.6%55.7%69.5%73.1%74.8%
200584.9%74.2%71.8%63.3%68.8%65.8%53.4%52.4%53.2%71.1%MM

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