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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 (USC00481572) 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 Climatology0.511.071.571.782.771.481.171.041.201.680.860.79

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20006.211.08.19.68.97.17.58.78.67.89.99.7
20019.29.89.19.89.29.17.57.37.825.69.513.0
200214.513.112.412.611.08.67.68.78.77.811.913.2
200311.79.912.710.18.68.46.89.17.27.814.113.7
200413.110.510.89.210.39.78.08.611.39.68.914.3
20059.59.010.19.78.67.66.97.68.410.3MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200029.8443.9548.0958.7468.5675.5490.0087.8073.7059.2333.9932.87
200136.6533.9946.6958.0468.6481.2090.5989.6080.7657.2052.8838.45
200237.6041.1139.5558.2265.6283.1291.9283.7974.0651.4446.0441.58
200345.1235.9347.6259.4868.4173.2293.9987.6171.8462.2639.2640.88
200441.8739.2654.0158.1668.7575.1482.7977.8773.3658.9944.9741.88
200541.4245.4648.7956.0964.5879.0088.4382.7675.7358.10MM
NCEI Climatology37.3038.9449.7055.9164.5977.8987.2185.7075.1060.0947.9936.71

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20007.5224.7226.0732.1342.3046.3155.1357.0842.6236.2415.249.53
200118.2413.1625.3832.6041.4648.9257.3757.4848.5346.4027.3217.95
200215.5117.6014.4630.7438.8549.7657.4951.1045.4426.9625.7623.06
200320.2114.4725.2635.7240.7147.1858.0658.3440.4029.5219.8820.85
200419.0519.7725.3834.4041.1746.4058.4253.3348.4437.3425.6022.85
200521.6522.0526.2932.4838.8749.5656.2953.6046.9345.50MM
NCEI Climatology16.4016.9624.6031.2039.8050.0057.4054.4045.0934.2025.8017.00

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200018.6834.3337.0845.4455.4360.9372.5772.4458.1647.7424.6121.20
200127.4423.5836.0445.3255.0565.0673.9873.5464.6551.8040.1028.20
200226.5629.3527.0144.4852.2466.4474.7167.4559.7539.2035.9032.32
200332.6725.2036.4447.6054.5660.2076.0372.9756.1245.8929.5730.87
200430.4629.5239.6946.2854.9660.7770.6165.6060.9048.1635.2832.36
200531.5433.7537.5444.2951.7264.2872.3668.1861.3351.80MM
NCEI Climatology26.8527.9537.1543.5652.2063.9472.3170.0560.1047.1536.9026.85

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200071.2%60.5%60.4%52.8%56.2%52.8%42.4%40.8%49.2%59.9%64.9%68.5%
200164.0%70.0%64.6%55.7%50.9%45.9%46.4%43.6%42.9%47.1%25.3%44.8%
200260.0%53.5%68.8%56.8%57.2%46.6%44.6%48.6%55.3%65.9%57.4%60.4%
200362.9%69.2%63.3%61.2%60.3%63.2%41.9%46.6%57.4%54.5%64.6%62.7%
200454.7%64.7%55.2%58.9%53.0%55.7%48.6%51.2%49.7%65.3%64.0%57.5%
200568.9%57.8%59.8%54.6%63.7%49.9%46.6%52.3%47.3%63.3%MM

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