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 () 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
1977MMMMMM0.000.000.000.000.000.00
19780.000.000.000.000.000.000.000.000.000.000.000.00
19790.000.000.000.000.000.000.000.000.000.000.000.00
19800.000.000.000.000.000.000.000.000.000.000.000.00
19810.000.000.000.000.000.000.000.000.000.000.000.00
19820.000.000.000.000.000.000.000.000.000.000.000.00
19830.000.000.000.000.000.000.000.000.000.000.000.00
19840.000.000.000.000.000.000.000.000.000.000.000.00
19850.000.000.000.000.000.000.000.000.000.000.000.00
19860.000.000.000.000.000.000.000.000.000.000.000.00
19870.000.000.000.000.000.000.000.000.000.000.000.00
19880.000.000.000.000.000.000.000.000.000.000.000.00
1989MMMMMMMMMMMM
19900.000.000.000.000.000.000.000.000.000.000.000.00
19910.000.000.000.000.000.000.000.000.000.000.000.00
19920.000.000.000.000.000.000.000.000.000.000.000.00
19930.000.000.000.000.000.000.000.000.000.000.000.00
19940.000.000.000.000.000.000.000.000.000.000.000.00
19950.000.000.000.000.000.000.000.000.000.000.000.00
19960.000.000.000.000.000.000.000.000.000.000.000.00
19970.000.000.000.000.000.000.000.000.000.000.000.00
19980.000.000.000.000.000.000.000.000.000.000.000.00
19990.000.000.000.000.000.000.000.000.000.000.000.00
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
2003MMMMMMMMMMMM

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1977MMMMMMMMMMMM
1978MMMMMM3.9MMMMM
1979MMMMMMMMMMMM
1980MMMMMMMMMMMM
1981MMMMMMMMMMMM
1982MMMMMMMMMMMM
1983MMMMMM3.24.35.9M1.02.2
19843.16.54.36.66.16.5M7.514.93.13.42.2
19850.15.76.46.14.03.54.6M6.32.52.7M
19867.57.38.98.6MM12.65.02.63.31.7M
19873.23.25.53.55.814.64.04.9M7.04.29.5
19880.96.6M6.24.56.69.33.74.11.8MM
1989MMMMMMMMMMMM
19902.34.74.46.96.26.35.74.74.63.13.23.0
19912.73.44.85.86.46.46.44.74.24.12.22.3
19923.02.54.15.96.26.15.54.74.13.42.23.1
19932.03.03.85.24.74.74.33.83.32.31.52.0
19942.13.73.94.54.85.15.95.24.13.23.53.1
19951.74.35.36.15.75.66.54.83.92.63.32.8
19963.62.84.55.25.27.25.84.52.92.52.32.8
19971.92.84.64.95.66.56.24.54.53.62.13.3
19983.95.05.15.56.97.68.17.05.73.74.14.8
19994.26.06.58.19.17.78.87.75.33.35.72.7
20002.82.66.27.57.27.57.97.25.03.51.92.8
20011.93.65.77.08.110.011.47.96.54.95.22.9
20024.50.05.44.86.46.47.75.64.83.20.91.9
2003MMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1977MMMMMM61.7372.5357.1448.7833.9827.14
197827.8236.9542.8647.3651.4561.9467.7763.8853.6051.8032.9026.12
197921.2032.1342.9247.8954.1858.8865.9167.5962.4853.9540.0434.89
198024.9737.4638.7552.8853.0255.9465.0062.8358.2853.3640.6930.67
198139.6139.5247.4245.8553.4854.4763.5469.7462.6648.9543.2232.41
198227.7633.0740.3446.1554.1869.2065.9266.2061.4251.0935.1833.72
198337.2341.7747.4553.6059.2659.0062.2467.3455.5950.0040.6927.77
198435.2940.1047.9747.6049.7458.7769.0364.4656.3042.1036.8623.33
198531.0732.0641.4747.6057.4760.6676.0165.4255.9445.4426.6730.73
198637.2833.7445.4145.0855.9863.9860.4573.6356.1456.0536.9231.57
198732.2338.6943.4251.7357.9565.4264.2868.3064.8254.4643.3430.50
198828.7036.8440.9447.6656.1060.3266.3965.7762.2554.0137.9433.45
198931.8828.8538.5656.8455.1765.3667.4865.4566.8050.2340.5238.15
199033.0532.1344.1452.7054.1860.7472.9970.3868.3645.9438.4825.79
199128.4042.8638.9150.4254.3558.6468.8169.2266.7451.5740.8237.17
199236.9444.6054.2452.7063.0169.2669.3471.7757.7451.8639.6827.53
199326.4836.9545.5349.9464.4659.3061.5067.5966.9854.5935.7235.25
199439.9033.6147.3353.3059.9960.3272.6569.3466.9249.8334.4631.65
199533.4539.7844.2552.2264.8165.6068.0661.8569.2047.4540.5232.81
199627.3538.3940.5750.5450.5260.5072.6568.6457.0847.5034.2826.67
199730.9136.5038.0449.2261.3860.3266.3272.1864.1048.0842.1434.90
199830.3740.1643.7352.0458.3664.0473.0572.4167.3452.0340.1031.48
199934.4435.7940.0748.9253.4357.4465.9168.8162.9050.8740.8834.32
200031.2536.7240.4851.8654.0663.0866.1466.6159.7850.8736.9730.84
200136.4735.4742.1648.0857.9559.6666.6169.2863.2646.9241.6031.30
200235.4432.0033.3948.3854.4766.1469.6870.6161.2251.2846.4036.99
2003MMM42.80MMMMMMMM

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1977MMMMMM47.9752.4443.4036.6527.8022.04
197821.0328.2131.5435.6639.1447.9652.3250.5245.0839.0324.4121.74
197910.8124.3529.5033.9241.4144.8550.6450.5246.9639.2027.6830.59
198017.7729.3330.2037.4642.2245.5050.0647.8544.3038.3034.3626.73
198132.4128.5333.5036.2942.3943.8650.7955.6645.9037.1734.5227.25
198223.5825.3327.5631.7538.2649.9350.8349.8647.4438.6926.3027.42
198331.1331.0433.3436.0842.8646.5949.5250.6041.8137.0734.9821.04
198429.3931.4935.8938.1238.3647.0048.7849.4041.3631.8431.0416.13
198520.2124.6729.2037.8242.0047.9955.4650.1242.0237.9419.1823.37
198631.5425.4435.1936.9844.4851.0849.3052.6144.2937.8330.6225.02
198726.8330.8434.6138.8043.2650.9652.0549.8246.3437.1135.6625.22
198821.2028.1532.5436.0243.7949.1050.5650.1244.3240.6533.8628.28
198927.0215.2929.6834.7639.7247.6048.9049.5445.2038.1534.9431.30
199028.1723.7731.4236.9841.1246.7052.1552.3246.5237.5733.5020.21
199119.9833.4128.9834.1641.1245.0250.1251.3445.9237.3435.1831.19
199231.1932.3736.5337.7642.4549.9452.2649.7742.8640.4233.5621.26
199314.4623.1333.1637.2845.6546.6449.6549.2543.6441.1227.0228.98
199433.7425.7033.8638.1242.2244.9049.9449.0146.8837.4029.2426.77
199523.6430.0131.0734.1042.0547.1850.8746.8646.4638.1034.3427.01
199620.8524.9231.0637.7037.6344.7249.4849.0143.4637.8127.4422.24
199725.3127.3131.5932.9042.3946.5249.4850.8146.8838.7933.0828.98
199824.6831.6833.6834.5242.7448.5053.8350.8745.8038.8534.2227.82
199930.5530.1429.8532.8437.4644.8447.7451.7442.5037.5235.2430.32
200024.6826.8532.0635.4239.9046.4049.7147.6844.6637.8628.5223.99
200128.9224.2932.1233.4439.0344.4847.8550.4144.6036.1835.0625.61
200230.8327.5025.5533.3238.1046.1550.3549.0743.8836.8833.5628.69
2003MMM42.80MMMMMMMM

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1977MMMMMM54.8562.4850.2742.7130.8924.59
197824.4232.5837.2041.5145.3054.9560.0557.2049.3445.4128.6623.93
197916.0028.2436.2140.9147.7951.8658.2759.0654.7246.5733.8632.74
198021.3733.4034.4745.1747.6250.7257.5355.3451.2945.8337.5228.70
198136.0134.0240.4641.0747.9449.1657.1662.7054.2843.0638.8729.83
198225.6729.2033.9538.9546.2259.5758.3858.0354.4344.8930.7430.57
198334.1836.4040.3944.8451.0652.7955.8858.9748.7043.5337.8324.41
198432.3435.7941.9342.8644.0552.8958.9056.9348.8336.9733.9519.73
198525.6428.3735.3342.7149.7354.3365.7457.7748.9841.6922.9327.05
198634.4129.5940.3041.0350.2357.5354.8863.1250.2246.9433.7728.29
198729.5334.7639.0145.2750.6158.1958.1659.0655.5845.7939.5027.86
198824.9532.5036.7441.8449.9454.7158.4757.9453.2947.3335.9030.87
198929.4522.0734.1245.8047.4556.4858.1957.4956.0044.1937.7334.73
199030.6127.9537.7844.8447.6553.7262.5761.3557.4441.7535.9923.00
199124.1938.1433.9542.2947.7451.8359.4660.2856.3344.4538.0034.18
199234.0638.4945.3845.2352.7359.6060.8060.7750.3046.1436.6224.39
199320.4730.0439.3543.6155.0552.9755.5758.4255.3147.8531.3732.12
199436.8229.6540.5945.7151.1052.6161.2959.1756.9043.6131.8529.21
199528.5534.8937.6643.1653.4356.3959.4654.3557.8342.7737.4329.91
199624.1031.6635.8244.1244.0852.6161.0658.8350.2742.6530.8624.45
199728.1131.9034.8241.0651.8953.4257.9061.5055.4943.4437.6131.94
199827.5335.9238.7143.2850.5556.2763.4461.6456.5745.4437.1629.65
199932.4932.9634.9640.8845.4451.1456.8260.2852.7044.1938.0632.32
200027.9631.7836.2743.6446.9854.7457.9357.1452.2244.3732.7427.41
200132.7029.8837.1440.7648.4952.0757.2359.8453.9341.5538.3328.46
200233.1329.7529.4740.8546.2856.1460.0259.8452.5544.0839.9832.84
2003MMM42.80MMMMMMMM

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1977MMMMMMMMMMMM
1978MMMMMM73.3%MMMMM
1979MMMMMMMMMMMM
1980MMMMMMMMMMMM
1981MMMMMMMMMMMM
1982MMMMMMMMMMMM
1983MMMMMM94.3%94.8%98.5%M97.5%89.7%
198498.1%95.2%94.8%90.4%92.1%98.0%M92.6%92.3%90.0%93.2%89.5%
198592.9%88.9%93.6%97.6%95.9%92.8%64.1%M92.3%98.0%97.6%M
198694.0%89.8%96.3%90.2%MM99.5%98.3%94.5%97.0%93.5%M
198795.1%95.6%93.0%87.7%95.4%97.3%92.9%94.8%M63.9%93.7%92.7%
198894.6%96.6%M92.7%94.3%89.0%93.7%78.8%78.4%90.5%MM
1989MMMMMMMMMMMM
199093.9%88.6%79.7%79.0%82.8%80.8%71.3%76.6%71.8%89.2%91.5%86.0%
199186.1%88.7%83.0%77.4%81.3%81.8%75.1%80.3%75.1%75.3%90.8%90.6%
199290.4%84.5%70.7%77.7%69.0%70.8%79.1%70.4%81.6%84.8%92.2%87.7%
199384.4%77.4%78.4%81.2%76.7%84.2%85.5%79.5%74.3%86.4%88.3%90.7%
199492.2%87.1%78.4%84.1%75.9%81.8%73.0%78.1%77.6%87.6%91.2%90.9%
199589.2%87.0%80.4%77.9%72.3%75.8%78.8%85.3%75.2%91.4%92.9%89.8%
199687.8%86.0%82.7%83.1%86.4%81.1%72.5%76.9%87.9%89.9%90.7%90.3%
199792.5%89.8%89.5%82.3%75.4%84.1%80.2%77.4%83.3%91.3%91.4%91.4%
199890.2%86.7%86.8%80.0%82.3%82.4%76.8%74.7%77.8%87.4%94.3%91.4%
199993.9%90.9%87.0%78.5%79.7%84.2%78.9%82.2%79.9%85.6%93.6%94.5%
200090.7%89.1%86.7%80.0%83.0%78.6%80.5%80.0%85.3%88.2%91.4%90.8%
200190.9%86.8%87.7%83.4%78.6%82.2%78.8%79.5%81.8%90.3%91.5%92.0%
200293.3%90.0%87.2%84.2%83.1%76.7%77.3%75.5%82.0%84.1%91.4%93.3%
2003MMMMMMMMMMMM

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