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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 (USW00024089) 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 Climatology0.490.580.841.412.211.341.190.790.951.190.640.61

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200012.013.412.612.512.410.510.512.413.312.013.514.0
200113.514.011.212.712.012.511.510.611.312.014.715.3
200216.516.413.314.613.511.811.312.311.911.014.915.9
200314.313.816.212.811.411.410.211.310.310.515.516.7
200415.714.412.911.011.711.410.911.514.113.512.516.2
200512.111.211.611.810.611.49.910.711.910.8MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200025.1638.5546.0855.7264.6573.5788.6086.6971.6656.0428.2327.88
200132.0628.8542.3954.6266.0878.7489.8387.5977.6557.2048.7432.99
200232.7537.4037.2354.4462.4880.4391.7681.0671.0648.2142.1437.34
200341.3531.8144.9557.7464.2271.1290.7688.4469.2059.2334.5835.83
200436.2434.9850.2355.5865.2172.6279.7977.9870.9756.6341.1835.83
200536.5441.8746.1753.0661.6977.6886.0681.5474.2054.50MM
NCEI Climatology35.2137.9648.7956.3066.8079.6088.9986.7175.6059.7045.9034.69

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200010.0421.4525.4431.0442.1846.1458.4058.4143.2835.6012.9810.46
200116.0311.8823.9332.9640.1349.1060.0258.4549.5137.4027.2615.16
200213.2515.2613.7128.1636.8850.1261.3451.5145.6826.1822.7620.15
200320.2112.9723.0634.8840.4646.2259.6460.1642.8632.2217.7219.81
200416.9618.1025.0333.6839.6646.1057.7252.8045.4736.4224.0916.30
200519.0121.9024.7631.3538.0548.7158.4953.4647.2041.90MM
NCEI Climatology15.0015.4822.7128.2037.1045.4052.9951.4042.1930.9022.0014.80

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200017.6030.0035.7643.3853.4159.8673.5072.5557.4745.8220.6019.17
200124.0520.3633.1643.7953.1163.9274.9373.0263.5847.3038.0024.07
200223.0026.3325.4741.3049.6865.2776.5566.2958.3737.2032.4528.75
200330.7822.3934.0046.3152.3458.6775.2074.3056.0345.7326.1527.82
200426.6026.5437.6344.6352.4459.3668.7565.3958.2246.5232.6326.06
200527.7731.8835.4742.2149.8763.2072.2767.5060.7048.20MM
NCEI Climatology25.1026.7235.7542.2551.9562.5070.9969.0558.9045.3033.9524.75

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200077.2%68.6%58.2%51.8%55.8%49.6%39.2%41.3%47.2%58.6%64.3%69.7%
200166.5%72.7%66.0%54.8%44.8%43.5%44.4%37.1%40.6%60.1%57.7%62.5%
200259.5%54.0%67.0%54.7%53.1%38.5%33.1%44.3%50.5%58.1%56.7%62.7%
200361.1%68.2%65.1%55.2%57.6%59.3%36.4%39.9%52.4%48.5%72.0%67.7%
200461.8%69.0%56.8%58.0%54.6%53.5%50.0%44.0%51.4%63.7%66.0%66.1%
200575.0%58.8%59.5%55.6%62.3%47.7%43.4%50.7%44.0%74.0%MM

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