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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 (USC00488626) 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 Climatology1.291.512.343.744.672.821.641.252.263.321.541.34

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
20008.37.110.911.29.29.77.89.08.28.311.89.1
20019.38.18.69.511.48.98.68.310.08.17.49.7
20029.111.49.410.111.99.28.49.59.18.38.87.0
20039.010.310.410.510.19.38.08.48.312.27.79.9
20047.19.210.111.510.28.67.29.211.310.56.49.3
20057.67.011.911.78.37.37.17.68.010.2MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200033.0841.0049.2650.0062.7970.0785.7185.0172.6855.6933.9332.41
200137.9229.6245.4454.4467.9473.9485.7188.5676.6760.8051.9837.11
200237.5740.1034.0951.3863.4078.1689.2579.3065.8046.9746.9842.39
200342.5133.1643.3858.0459.8469.1289.4889.3770.3460.6941.3638.85
200437.4041.2552.7957.7463.3570.8881.8077.8970.1755.3743.3243.22
200549.8241.9947.1854.2159.0374.1884.1277.7371.6850.00MM
NCEI Climatology38.4037.4644.5052.5160.1170.4080.7079.9070.0056.2045.2137.19

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
200015.4421.4528.0845.9543.2549.1959.1758.6145.9836.9917.5512.37
200120.9110.2126.5435.1844.0250.6060.2859.2851.9651.8031.5218.82
200217.4819.9812.6628.1641.8051.8060.6351.8644.2027.0127.1123.81
200321.2014.3222.3636.9239.8448.4560.1661.5045.2036.9519.7021.95
200416.4421.1429.1536.3240.9447.6061.6752.8249.1337.4425.9024.79
200530.4522.4727.9133.4139.3950.9858.4355.4846.8742.80MM
NCEI Climatology14.5213.8620.7928.4937.6045.4052.6050.5041.8131.3021.9013.99

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200024.2631.2238.6747.9753.0259.6372.4471.8159.3346.3425.7422.39
200129.4219.9135.9944.8155.9862.2772.9973.9264.3256.3041.7527.96
200227.5330.0423.3839.7752.6064.9874.9465.5855.0036.9937.0533.10
200331.8523.7432.8747.4849.8458.7874.8275.4357.7748.8230.5330.40
200426.9231.1940.9747.0352.1559.2471.7365.3559.6546.4034.6134.00
200540.1432.2337.5543.8149.2162.5871.2766.6059.2746.40MM
NCEI Climatology26.4625.6632.6540.5048.8557.9066.6565.2055.9043.7533.5625.59

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
200068.3%66.5%53.1%48.3%61.7%58.0%49.9%47.1%50.2%67.0%62.9%73.5%
200165.3%75.2%64.6%61.5%45.3%58.8%51.3%41.2%49.9%47.3%53.8%61.6%
200260.3%57.7%75.1%65.8%61.6%50.4%45.4%51.8%54.6%65.1%56.3%55.9%
200364.2%69.8%67.5%62.6%67.7%65.0%43.2%45.0%50.0%46.1%60.4%61.9%
200463.1%63.4%54.5%57.1%58.1%55.8%44.0%47.7%58.8%79.3%71.6%68.0%
200574.4%63.2%68.5%64.1%74.9%71.8%60.2%65.1%60.5%92.6%MM

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