[E42] Spearman [2021-]
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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 (USC00413787) 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
2021M0.011.730.213.424.652.852.940.100.730.01M
20220.05M0.330.471.582.183.410.980.531.620.360.05
20230.110.29M1.316.602.763.541.294.240.110.282.87
20240.630.081.010.992.333.481.312.381.180.115.03M
20250.06M0.432.542.444.252.661.25MMMM
NCEI Climatology0.610.481.251.802.503.322.672.671.711.840.810.97

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2021M10.915.214.814.411.810.912.113.412.711.914.2
202212.613.415.416.916.114.711.59.712.310.813.613.5
202312.514.614.814.913.211.511.210.511.412.011.711.5
202412.213.513.614.612.513.612.110.411.012.712.310.9
202511.712.815.315.011.612.711.911.9MMMM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2021M33.5863.4969.8676.1689.3290.2292.7890.5077.2965.6762.52
202251.6850.2063.1774.9384.2591.3997.9092.9890.8174.6856.2552.16
202352.1157.6061.7472.8279.6586.6095.6097.6187.8573.6962.5653.99
202445.4059.9665.5574.0681.6193.2894.8196.0589.8281.7061.2256.91
202543.0954.2969.0973.3576.9487.7491.9892.36MMMM
NCEI Climatology49.0052.8261.8070.1179.3088.9093.1091.1184.0172.2960.2049.01

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2021M10.5933.0137.9152.5163.8165.1565.1160.2444.9032.3427.44
202217.2416.2427.7641.3351.7964.3467.8664.8759.1944.7027.9820.74
202323.4622.1330.3539.5254.0759.7666.1164.8759.8543.7731.3527.28
202419.7528.1933.4442.4550.3965.7365.1765.2956.8947.4834.3027.47
202516.2118.2234.6244.2649.3162.4766.2164.87MMMM
NCEI Climatology20.1922.9030.6039.0050.2060.2064.9963.5055.0042.0129.8121.61

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2021M22.0948.2553.8964.3476.5777.6878.9575.3761.1049.0144.98
202234.4633.2245.4658.1368.0277.8682.8878.9375.0059.6942.1136.45
202337.7939.8746.0456.1766.8673.1880.8681.2473.8558.7346.9640.63
202432.5744.0749.5058.2666.0079.5179.9980.6773.3564.5947.7642.19
202529.6536.2651.8558.8163.1275.1079.1078.62MMMM
NCEI Climatology34.6037.8646.2054.5564.7574.5579.0577.3069.5057.1545.0035.31

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2021M64.7%58.7%50.0%70.3%62.9%66.8%60.2%50.4%53.2%48.7%39.1%
202250.9%49.7%45.3%38.1%48.7%53.1%49.0%55.4%52.0%53.8%63.9%55.4%
202356.9%49.8%49.8%42.4%67.3%67.7%61.6%52.9%55.6%57.8%58.5%66.5%
202469.3%59.1%54.7%48.6%57.6%61.6%52.6%55.5%53.3%48.5%70.6%62.0%
202568.5%53.8%46.5%55.9%64.8%67.7%63.5%60.9%MMMM

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