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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 (USC00484065) 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
20020.000.000.000.000.00MMMMM0.000.00
20030.000.000.000.000.000.000.000.000.000.000.000.00
20040.000.000.000.000.00M0.000.000.000.000.000.00
20050.000.000.000.000.000.000.00MMMMM
20060.000.00MMMMMMMMMM
NCEI Climatology0.690.530.841.321.670.920.490.640.871.040.690.63

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20005.87.210.05.110.411.07.27.79.08.56.86.8
20016.78.510.19.612.09.77.87.47.019.95.86.5
20029.29.211.713.112.6MMMMM5.87.1
20037.77.910.59.39.09.14.96.87.99.56.86.7
20045.85.58.310.07.4M10.29.29.28.75.46.2
20054.23.78.17.38.27.01.8MMMMM
20067.06.4MMMMMMMMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200028.0440.8444.8151.3567.9476.9188.1783.3067.2855.9231.7732.87
200131.4832.5145.5955.5268.0078.4486.6087.9477.0048.2045.4428.52
200232.1236.2942.0556.4258.89MMMMM43.7035.60
200339.0833.6745.6556.9666.6175.5588.1383.0471.1260.4433.6232.58
200423.2928.5250.7856.0668.45M78.3976.0467.9359.4834.9834.63
200531.5931.0742.0955.3462.9969.1068.14MMMMM
200628.8033.27MMMMMMMMMM
NCEI Climatology30.9936.2647.1056.4066.2178.1086.6185.0075.7060.7043.9032.01

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.6419.4822.5850.4541.6848.7156.4657.0840.5834.8511.1110.98
20018.4312.2025.7933.2038.6946.4653.8254.5038.5537.4021.747.03
200210.9210.6719.1129.2433.59MMMMM16.3413.42
200315.689.7622.3027.4435.0845.2250.9347.9437.4033.2014.7812.66
20040.014.8823.1829.3635.60M48.7944.9736.5332.6219.5815.45
200511.285.7819.8225.1135.8539.6261.41MMMMM
200610.5215.85MMMMMMMMMM
NCEI Climatology8.1213.0522.4929.3037.6045.5052.9050.7040.9130.3019.009.79

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200016.3430.1633.6950.9054.8162.8172.3170.1953.9345.3821.4421.93
200119.9522.3635.6944.3653.3462.4570.2171.2257.7742.8033.5917.77
200221.5223.4830.5842.8346.24MMMMM30.0224.51
200327.3821.7133.9742.2050.8460.3869.5365.4954.2646.8224.2022.62
200411.6516.7036.9842.7152.02M63.5960.5052.2346.0527.2825.04
200521.4418.4330.9540.2249.4254.3664.78MMMMM
200619.6624.56MMMMMMMMMM
NCEI Climatology19.5524.6534.8042.8551.9061.8069.7567.8558.3145.5031.4520.90

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200063.2%69.0%55.3%47.1%44.8%38.2%30.5%40.4%51.7%59.3%68.7%71.6%
200171.2%75.1%61.7%52.4%39.0%32.9%33.8%35.4%38.7%59.4%69.6%76.8%
200267.4%56.6%58.4%47.0%54.6%MMMMM70.4%72.1%
200373.1%71.1%61.9%45.6%48.2%44.5%32.9%42.3%41.9%47.5%79.8%82.8%
200489.3%91.9%63.9%59.3%41.0%M46.6%47.6%41.3%41.3%64.4%65.1%
200573.9%72.7%50.8%42.0%40.9%35.7%41.5%MMMMM
200688.8%91.2%MMMMMMMMMM

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