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 (USC00480761) 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 Climatology0.360.410.530.621.220.660.540.650.740.700.420.46

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.911.714.44.913.612.99.710.312.310.611.411.9
200112.812.012.311.614.112.610.99.411.528.710.213.9
200215.213.515.015.714.313.011.412.912.011.212.712.5
200314.313.718.413.612.312.310.510.111.314.313.012.7
200413.511.314.615.014.38.911.313.114.515.211.014.2
200512.79.513.512.511.011.29.09.49.813.6MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200028.2037.2040.4748.6563.6272.6283.4280.8865.0052.8727.6329.10
200127.6329.7840.8750.9164.4875.3882.3983.4572.1845.0043.2327.64
200228.0433.5036.8653.3562.4477.4786.5577.9768.0548.3036.9132.83
200336.6130.5441.0353.1362.8469.3387.3281.9467.6756.1931.7030.48
200426.6127.1046.9051.7061.5572.3576.3973.0765.5052.1135.8133.48
200533.8235.4040.5951.9160.2669.4282.7575.8066.9348.50MM
NCEI Climatology33.1036.0346.2055.1065.4077.2085.5083.3073.2058.4044.0033.10

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.8020.5922.7146.8540.8547.9057.2957.7442.0034.3212.4313.16
200112.4512.6324.3231.4439.6547.5457.0656.4546.1835.6024.9010.89
200211.1010.9716.0828.5937.4849.2157.4250.0844.1428.3918.9116.61
200322.0613.4324.9431.4339.6844.4759.2956.0641.9033.2516.6715.77
200412.0011.1725.7431.0739.2345.9954.1750.4344.8735.6822.4918.28
200519.5016.6321.8828.1937.6846.5358.4052.5644.8938.00MM
NCEI Climatology11.0013.9323.3029.0036.6043.8050.7149.1040.6930.3120.0010.90

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200018.5028.9031.5947.7552.2360.2670.3569.3153.5043.6020.0321.13
200120.0421.2032.6041.1852.0661.4669.7269.9559.1840.3034.0719.26
200219.5722.2426.4740.9749.9663.3471.9964.0356.1038.3427.9124.72
200329.3421.9832.9842.2851.2656.9073.3169.0054.7844.7224.1823.13
200419.3119.1336.3241.3850.3959.1765.2861.7555.1843.8929.1525.88
200526.6626.0231.2440.0548.9757.9870.5864.1855.9143.25MM
NCEI Climatology22.0524.9834.7542.0551.0060.5068.1066.2056.9544.3532.0022.00

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200055.7%63.0%54.9%41.9%40.1%30.9%25.2%36.0%41.0%53.4%63.3%65.1%
200166.4%71.5%60.9%50.3%39.0%26.9%28.4%30.9%32.4%51.7%59.2%68.9%
200264.5%52.3%58.1%44.4%34.9%28.6%30.3%34.3%42.5%51.1%63.2%69.1%
200367.7%68.2%59.6%41.8%41.8%45.2%24.1%36.2%38.6%37.5%74.3%71.3%
200468.6%79.1%56.1%56.5%41.1%53.0%40.0%38.8%51.7%66.4%83.2%77.7%
200584.1%76.4%72.0%55.8%58.4%45.7%33.2%50.1%46.4%77.7%MM

Monthly Plots

Select month and year:

Monthly Plot
Monthly Plot