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 (USC00181530) 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
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMMMMMMM
2020MMMMMMMMMMMM
2021MMMMMM0.094.61MM1.400.93
20222.882.682.433.297.522.875.301.833.173.483.506.49
20232.330.72MMM2.882.032.975.14M2.821.84
20244.252.174.264.905.191.883.537.344.050.822.763.17
20250.240.220.000.382.320.20MMMMMM
NCEI Climatology3.773.144.434.024.884.213.714.035.324.093.663.49

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMMMMMMM
2020MMMMMMMMMMMM
2021MMMMMM2.01.6MM2.82.4
20223.63.94.34.25.27.04.11.42.02.63.12.5
20233.04.0MM2.31.81.71.92.10.93.52.4
20243.33.03.83.11.52.11.61.51.41.83.03.1
20254.53.84.23.92.61.5MMMMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2017MMMMMMMMMM51.5039.98
201838.6846.9547.7558.5778.5581.2886.4784.6575.6363.4745.0242.66
201936.0240.9347.2564.3972.4178.6385.48MM63.0248.7441.93
202043.2046.0356.6257.6967.8880.4288.5583.7074.1463.2958.9142.53
202138.4136.7054.9362.7466.0980.6984.1384.67MM51.2948.93
202234.7245.8754.2159.6172.2079.5683.4683.1774.8061.3955.3741.95
202346.2048.53MM75.2077.1685.5882.1575.5077.4046.0747.59
202440.7148.2255.3264.6772.9784.1087.4782.0374.4368.4756.3942.50
202534.0042.5658.7164.3570.3176.64MMMMMM
NCEI Climatology38.9042.5251.8065.2073.0979.8083.6081.3074.9065.1053.4942.99

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2017MMMMMMMMMM33.0226.17
201822.2628.6830.5439.0558.3759.8363.7965.0761.7547.9233.3029.05
201922.9326.3530.1745.9555.3558.8664.77MM48.3931.0529.13
202028.9530.4537.4338.9350.2859.5166.5064.8553.9846.5239.6527.41
202126.4624.8434.6342.3146.1960.4363.8965.01MM32.9733.40
202219.3525.0633.5540.3752.5859.6864.7563.6956.3643.0237.6925.97
202333.3729.11MM48.0555.4965.3162.0256.1754.9530.4134.73
202428.1930.0238.3346.1955.4061.4466.4563.0556.5945.9039.4328.95
202520.5526.4137.8945.2853.2859.88MMMMMM
NCEI Climatology23.0024.6031.4042.3152.1060.2064.7163.3157.5046.2135.8928.21

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2017MMMMMMMMMM42.2633.08
201830.4737.8139.1548.8168.4670.5575.1374.8668.6955.7039.1635.86
201929.4733.6438.7155.1763.8868.7475.13MM55.7139.9035.53
202036.0738.2447.0248.3159.0869.9677.5274.2864.0654.9049.2834.97
202132.4330.7744.7852.5256.1470.5674.0174.84MM42.1341.16
202227.0335.4743.8849.9962.3969.6274.1173.4365.5852.2046.5333.96
202339.7838.82MM61.6266.3375.4472.0865.8366.1838.2441.16
202434.4539.1246.8355.4364.1972.7776.9672.5465.5157.1847.9135.72
202527.2834.4948.3054.8261.8068.26MMMMMM
NCEI Climatology30.9533.5641.6053.7662.6070.0074.1572.3166.2055.6544.6935.60

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2017MMMMMMMMMMMM
2018MMMMMMMMMMMM
2019MMMMMMMMMMMM
2020MMMMMMMMMMMM
2021MMMMMM72.1%78.2%MM63.6%65.8%
202265.4%61.9%61.0%60.0%73.8%69.2%75.4%76.7%76.1%74.6%65.0%70.4%
202373.0%53.5%MM54.5%67.5%74.1%72.7%77.7%81.9%65.5%71.8%
202469.4%63.8%60.1%64.3%77.1%67.4%71.8%79.0%83.0%67.9%66.9%68.8%
202559.7%61.0%52.5%61.4%75.7%78.6%MMMMMM

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