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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 (USC00487105) 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 Climatology0.580.500.831.241.931.370.741.050.831.130.490.53

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20004.610.711.29.910.59.58.39.310.89.78.39.2
20018.29.98.411.110.810.48.57.99.130.410.012.0
200211.612.812.713.411.510.59.210.810.39.911.011.0
20039.49.614.710.29.89.48.39.19.010.211.612.0
200410.610.010.810.811.811.59.610.712.313.08.212.2
200510.28.910.810.710.610.98.310.09.718.5MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200027.6839.1243.9656.1166.3373.0686.7384.5569.1456.1027.4427.53
200128.8130.5241.8753.9666.2678.4486.7586.0077.3353.6046.1631.83
200230.0535.2538.5054.5063.9480.2488.7980.7270.8248.3340.1634.52
200338.2131.4243.0956.7265.6870.7089.7785.8768.0658.8934.1933.51
200432.1732.0648.4353.8465.1072.0879.0675.3969.6355.5141.0335.75
200536.7839.7044.5053.3662.6175.2285.9179.8871.5355.40MM
NCEI Climatology33.0035.7445.6053.6964.2076.5085.5082.9972.7958.0944.7933.30

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.5221.2023.9530.6541.3945.8956.4057.3742.3834.218.297.85
200110.058.5421.8432.1240.1947.4857.0856.5147.5539.2024.4413.30
20029.9912.4414.2327.8636.0648.7457.2650.5244.5426.6720.6616.64
200319.289.6924.8633.8639.0844.0657.0861.7040.7531.1016.0616.44
200412.5511.7724.1032.9038.5645.1458.2050.3544.8035.3724.4916.86
200520.1618.0023.4729.0036.6248.0356.4753.5345.2741.00MM
NCEI Climatology16.3016.7226.4031.8040.5050.1057.9156.8047.7136.3027.1917.70

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200017.6030.1633.9643.3853.8659.4771.5770.9655.7645.1517.8717.69
200119.4319.5331.8543.0453.2262.9671.9271.2562.4446.4035.3022.56
200220.0223.8426.3741.1850.0064.4973.0265.6257.6837.5030.4125.58
200328.7520.5633.9745.2952.3857.3873.4373.7954.4144.9925.1224.97
200422.3621.9136.2743.3751.8358.6168.6362.8757.2245.4432.7626.30
200528.4728.8533.9941.1849.6161.6271.1966.7058.4048.20MM
NCEI Climatology24.6526.2336.0042.7452.3563.3071.7069.9060.2547.2035.9925.50

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200079.2%68.3%61.1%52.1%52.7%49.8%38.7%41.7%49.4%61.3%72.7%75.3%
200174.4%77.5%71.9%57.2%48.8%41.7%43.1%41.3%42.0%49.8%64.9%66.8%
200266.1%59.4%64.6%54.6%50.8%39.5%40.2%42.7%52.3%63.0%65.7%72.4%
200374.5%74.7%66.2%52.8%56.2%61.0%38.6%43.0%51.7%47.6%71.5%71.0%
200470.3%75.7%60.5%59.0%51.0%51.9%43.0%46.0%48.2%55.0%64.2%62.8%
200570.8%60.1%55.4%50.2%54.3%37.1%36.3%43.1%37.6%64.8%MM

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