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 (USC00485417) 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
20040.000.000.000.00MM0.000.000.000.000.000.00
20050.000.000.000.000.000.000.00MMMMM
20060.000.00MMMMMMMMMM
NCEI Climatology0.400.530.781.381.961.531.601.081.901.030.470.45

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200012.212.813.414.712.612.08.910.110.09.614.816.4
200115.613.012.913.120.810.21.81.510.529.810.516.6
200218.116.516.314.812.010.77.012.112.110.618.015.5
200321.113.517.812.011.810.88.89.811.013.116.016.4
200416.813.516.011.4MM12.911.612.413.611.616.4
200513.011.214.313.210.710.15.8MMMMM
200617.320.1MMMMMMMMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200021.2038.1441.5650.6660.5166.8277.9779.8064.5749.6227.7330.26
200131.0531.7037.8247.4357.36MM72.6067.7145.0043.4931.26
200229.5132.8635.3348.7757.3966.8541.9071.5760.7045.8236.3833.67
200338.4529.4837.1648.1057.7162.7781.3575.2962.6354.1234.8334.16
200431.7730.2846.7145.96MM65.8568.2461.8750.2032.1731.63
200535.0333.1936.1446.4756.2963.7771.77MMMMM
200631.7732.10MMMMMMMMMM
NCEI Climatology33.2035.5143.7050.5160.3072.9080.7079.1071.9956.4143.5034.01

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.0021.8228.4429.9540.2445.7153.5859.9044.0734.4813.9014.03
200116.6614.6021.8430.3337.71MM53.5044.9135.6025.9115.07
200212.7313.5115.6528.0136.8840.9335.6047.9040.4326.7720.4518.40
200323.5213.0023.6530.3038.5542.6056.1953.3539.3733.8119.6019.19
200417.6814.4326.9729.00MM50.0648.0643.3034.0821.4319.74
200521.7818.0420.7627.4936.6344.6664.63MMMMM
200617.6515.16MMMMMMMMMM
NCEI Climatology12.2014.7921.4027.6036.1045.9152.4049.4943.0030.9022.7013.80

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200014.1029.9835.0040.3150.3756.2765.7769.8554.3242.0520.8222.14
200123.8623.1529.8338.8847.53MM63.0556.3140.3034.7023.16
200221.1223.1925.4938.3947.1453.8938.7559.7450.5736.3028.4126.04
200330.9821.2430.4039.2048.1352.6868.7764.3251.0043.9727.2226.68
200424.7322.3636.8437.48MM57.9558.1552.5842.1426.8025.68
200528.4125.6128.4536.9846.4654.2268.20MMMMM
200624.7123.63MMMMMMMMMM
NCEI Climatology22.7025.1532.5539.0548.2059.4166.5564.2957.4943.6633.1023.90

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200068.1%57.5%54.5%47.5%48.2%49.9%38.6%37.3%45.9%60.8%60.9%63.5%
200159.1%65.4%66.8%58.3%52.6%MM42.9%41.9%57.6%55.1%55.8%
200257.2%50.7%56.5%49.2%46.6%35.0%24.1%42.8%49.9%52.8%54.0%53.2%
200352.0%61.2%55.8%52.9%50.3%57.1%34.5%47.1%46.5%43.1%61.9%49.9%
200452.1%60.1%47.4%58.4%MM57.5%46.8%59.5%67.4%79.9%64.4%
200570.5%67.7%69.3%62.0%60.3%62.1%68.2%MMMMM
200663.3%64.2%MMMMMMMMMM

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