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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 () 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
1996MMMMMMM0.000.000.000.000.00
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
20030.000.000.000.000.000.000.000.000.000.000.000.00
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMM0.00
20070.000.000.000.000.000.000.000.000.000.000.000.00
20080.000.000.000.000.000.000.000.000.000.000.000.00
20090.000.000.000.000.000.000.000.000.000.000.000.00
20100.000.000.000.000.000.000.000.000.000.000.000.00
20110.000.000.000.000.000.000.000.000.000.000.000.00
20120.000.000.000.000.000.000.000.000.000.000.000.00
20130.000.000.000.000.000.000.000.000.00MMM
2014MMMMMMMMMMMM
2015MMMMMMMMMMMM
2016MMMMM0.000.00MMMMM
2017MMMMMM0.00MMMMM
2018MMMMMMMMMMMM
2019MMMMMMMMMMMM
2020MMMMMMMMMMMM
2021MMMMMMMMMMMM
2022MMMMMMMMMMMM
2023MMMMMMMMMMMM
2024MMMMMMMMMMMM
2025MMMMMMMMMMMM

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1996MMMMMMMMMMMM
1997MMMMMMMMMMMM
1998MMMMMMMMMMMM
1999MMMMMMMM16.513.113.612.5
200010.312.211.411.011.913.211.112.913.213.212.510.7
200111.210.710.910.812.811.39.812.011.115.112.012.5
200210.111.810.310.612.210.911.113.014.614.912.213.4
200313.310.310.212.210.710.111.011.915.612.213.410.9
20048.610.913.510.412.813.810.312.312.314.114.612.6
200510.99.79.611.811.412.212.913.712.511.713.711.2
200610.28.79.110.111.710.011.112.910.015.414.210.3
200711.09.511.510.112.211.210.913.113.113.014.510.2
200811.710.610.710.08.810.612.710.612.614.713.111.0
20099.79.811.49.311.111.512.610.911.813.312.710.6
201010.47.09.810.311.59.711.313.814.314.113.010.5
20118.711.710.88.611.310.511.311.613.014.114.913.4
201212.69.012.611.112.010.69.011.714.114.012.89.9
201311.48.99.210.211.09.910.810.412.514.514.110.7
201412.712.010.510.88.911.911.510.712.916.415.811.2
201513.111.611.612.011.010.111.813.114.813.813.810.6
20169.810.09.110.810.711.410.511.413.513.412.512.5
201711.010.713.210.011.011.510.58.713.015.714.012.4
201812.211.49.910.38.310.912.711.913.413.111.79.7
201910.79.710.59.510.010.210.510.1MMM10.2
202010.011.211.411.211.112.312.011.214.615.213.510.0
202110.111.111.49.811.711.010.613.214.412.214.411.6
202211.710.711.111.212.712.311.511.213.815.113.712.1
20238.310.910.510.511.18.411.410.610.910.815.711.0
202410.610.012.19.711.011.810.511.513.314.012.512.7
202513.110.19.410.111.010.49.112.011.414.421.0M

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1996MMMMMMM74.1461.9346.0019.935.17
19972.5415.0820.5934.9647.7270.7573.3170.9762.9646.7026.2426.35
199813.1828.3626.7948.4359.4264.7273.4575.5563.9350.7330.8315.32
19998.3022.8832.8345.1557.5067.9670.0972.7358.4246.5239.3023.77
20008.9421.6134.9443.1057.6563.1375.0072.7159.6350.2731.483.74
200117.616.7828.5143.3358.6567.3776.2676.0864.9846.9437.8921.35
200212.8620.9417.9438.2951.9069.6678.2471.7163.0039.0627.6421.83
20039.386.4324.5345.3262.4571.2675.7978.3961.4849.4526.6622.81
2004M34.10MMM58.5767.5862.0659.4546.3033.735.34
20057.7317.2326.0644.8154.4767.5075.20M59.2050.4233.0321.78
200623.645.7924.7442.0852.9267.5971.8670.5754.8843.2626.3017.71
200715.515.7931.0838.6158.0064.9888.0773.1564.3051.8531.6914.96
200812.0710.3725.9345.5454.8570.4575.6879.8065.5552.4432.315.98
20096.9215.8627.6943.7553.5768.6771.1772.5374.5545.7240.8014.20
201015.5718.7637.9554.8362.5971.0678.0176.2762.0455.8934.8514.26
20116.3916.6224.4044.7758.9170.9279.7280.2869.4655.7135.9224.68
201220.2823.1241.1049.7861.1972.5083.7180.2865.3345.7829.4613.64
201310.5218.1325.6638.2956.0673.6178.0079.0370.4650.5830.452.88
20145.465.2720.7539.2856.5771.0776.2577.2164.5351.2824.6720.52
201514.046.2233.2348.7460.1173.5378.1377.2468.9853.4737.1825.28
201614.8319.1035.1843.0664.6770.4277.8076.4266.9851.3143.7316.14
201716.4021.5029.3647.5260.2971.0677.8378.7165.5952.0329.3012.36
201813.7210.4231.9040.4865.2175.6478.9777.0858.3442.6026.1419.73
20196.985.0626.1543.6555.1169.8475.27115.7564.20MM15.25
202016.7917.0830.8240.4055.2172.1477.4674.7461.4142.4034.9122.67
202120.387.5438.3043.2858.3974.0879.5273.1667.1856.2635.6515.41
20226.206.0325.9636.4556.6767.6673.9974.6465.6153.5732.0114.73
202315.3616.3923.2139.8265.2075.3272.1872.5668.1849.9734.2629.19
202416.1424.5927.1148.7658.0667.8376.0374.0071.4854.8137.8520.13
202511.1410.6329.1144.4865.6769.8674.4673.0768.5154.6345.33M

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1996MMMMMMM64.3853.8639.5212.25-4.43
1997-7.46-0.046.5921.0737.0060.1864.2361.6154.4439.9320.7619.62
19984.4123.2816.9735.6847.1956.7664.2865.3655.5043.7027.088.39
1999-0.5613.3520.4033.5048.7158.0061.8263.3649.8337.3529.878.74
2000-9.266.0021.1628.9045.2253.0362.0061.4849.3739.9424.52-10.10
20013.27-8.3011.4730.0244.8455.4163.3063.8552.7038.9330.478.38
2002-0.393.730.3124.1036.3256.1366.5860.9652.8331.8417.1310.78
2003-18.90-16.506.8326.6245.5557.2562.9264.9151.9839.1217.827.89
2004M30.75MMM56.3663.3060.0757.8943.5031.491.28
2005-9.10-0.966.4933.1943.0856.8962.52M54.0040.6924.5811.34
20068.95-3.3617.4139.1151.5964.0769.1867.4253.0843.1523.9413.70
2007-1.38-10.8912.8220.3744.2853.3970.1660.3450.4042.1723.122.38
2008-3.86-9.884.3924.2137.2655.5561.2865.0051.5341.9923.40-7.93
2009-9.88-3.146.9727.5036.7553.7658.3760.2560.2638.4331.633.97
20102.21-2.7522.5436.3948.3156.6964.8562.7450.3144.2125.114.01
2011-9.27-3.276.0828.9042.6756.8866.0864.8853.9844.2328.3412.75
20124.776.1124.8332.5347.2159.2266.5463.1552.1037.7419.710.67
2013-8.52-3.113.9118.8939.0657.3063.4763.0855.6639.8619.33-10.43
2014-14.04-12.00-2.8821.1039.3556.1461.6962.5851.5341.2615.358.83
2015-1.24-12.1415.6128.9242.6158.1564.9961.9656.8843.0230.2616.18
20160.870.2817.8025.6646.8057.4963.7963.5654.9341.6335.414.27
20173.556.7414.0830.5645.0157.7364.2662.4053.4741.7617.680.22
2018-2.54-4.9915.6319.6045.8759.9865.2061.8748.2433.5918.827.54
2019-8.23-10.699.7727.8039.9756.7964.6648.2062.60MM2.17
20202.91-0.1913.6224.3142.0457.5565.8963.3449.5333.4421.309.14
20215.14-9.3119.8229.5643.1359.4465.6261.4156.4145.3126.242.00
2022-10.15-12.9010.5224.7443.0355.2463.9563.4153.9343.1323.014.27
20233.19-1.341.4326.1148.6061.8461.7762.0856.5642.3225.6017.93
20246.0211.4410.7432.2045.6856.5965.1662.7459.2742.5029.679.85
2025-3.81-6.4910.3928.6745.6057.1663.5461.8956.1145.4038.90M

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1996MMMMMMM69.2657.8942.7616.090.37
1997-2.467.5213.5928.0242.3665.4668.7766.2958.7043.3123.5022.98
19988.7925.8221.8842.0553.3160.7468.8670.4559.7147.2228.9611.86
19993.8718.1226.6239.3353.1062.9865.9568.0554.1241.9434.5816.26
2000-0.1613.8028.0536.0051.4358.0868.5067.1054.5045.1028.00-3.18
200110.44-0.7619.9936.6751.7561.3969.7869.9758.8442.9334.1814.86
20026.2412.349.1331.1944.1162.9072.4166.3457.9135.4522.3816.31
2003-4.76-5.0315.6835.9754.0064.2569.3571.6556.7344.2922.2415.35
2004M32.43MMM57.4765.4461.0658.6744.9032.613.31
2005-0.698.1316.2839.0048.7762.1968.86M56.6045.5628.8016.56
200616.291.2121.0740.5952.2565.8370.5268.9953.9843.2125.1215.70
20077.06-2.5521.9529.4951.1459.1979.1166.7457.3547.0127.408.67
20084.100.2515.1634.8746.0663.0068.4872.4058.5447.2127.85-0.97
2009-1.486.3617.3335.6345.1661.2264.7766.3967.4142.0836.229.09
20108.898.0030.2445.6155.4563.8871.4369.5056.1750.0529.989.13
2011-1.446.6815.2436.8350.7963.9072.9072.5861.7249.9732.1318.71
201212.5314.6232.9741.1654.2065.8675.1271.7158.7241.7624.587.16
20131.007.5114.7828.5947.5665.4570.7371.0563.0645.2224.89-3.77
2014-4.29-3.378.9430.1947.9663.6168.9769.8958.0346.2720.0114.68
20156.40-2.9624.4238.8351.3665.8471.5669.6062.9348.2533.7220.73
20167.859.6926.4934.3655.7463.9670.7969.9960.9546.4739.5710.20
20179.9714.1221.7239.0452.6564.4071.0570.5559.5346.8923.496.29
20185.592.7123.7730.0455.5467.8172.0969.4753.2938.1022.4813.63
2019-0.62-2.8117.9635.7347.5463.3169.9781.9863.40MM8.71
20209.858.4422.2232.3648.6264.8471.6869.0455.4737.9228.1015.91
202112.76-0.8829.0636.4250.7666.7672.5767.2961.7950.7930.948.70
2022-1.98-3.4418.2430.6049.8561.4568.9769.0259.7748.3527.519.50
20239.287.5312.3232.9656.9068.5866.9767.3262.3746.1529.9323.56
202411.0818.0118.9240.4851.8762.2170.6068.3765.3748.6533.7614.99
20253.662.0719.7536.5855.6463.5169.0067.4862.3150.0142.12M

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1996MMMMMMMMMMMM
1997MMMMMMMMMMMM
1998MMMMMMMMMMMM
1999MMMMMMMM79.3%79.3%82.8%88.2%
200084.1%82.9%79.5%72.4%74.0%80.1%77.6%79.0%79.1%78.5%92.0%83.6%
200191.7%82.3%83.9%79.4%80.5%79.4%81.2%77.4%78.4%80.1%88.2%92.9%
200286.6%84.9%77.9%81.1%73.0%83.8%77.2%83.4%82.8%82.3%90.0%89.3%
200389.7%81.7%83.3%66.6%66.6%77.6%79.3%76.1%85.5%83.2%89.5%90.3%
200485.6%87.9%86.6%77.2%74.8%80.9%83.0%83.4%89.1%87.8%84.4%90.2%
200589.9%86.8%83.8%80.2%82.4%88.1%82.3%82.3%84.8%89.1%93.1%95.7%
200696.2%83.9%84.6%77.9%84.8%79.8%79.2%79.0%81.8%86.3%91.4%93.6%
200792.7%84.9%85.5%75.4%84.2%86.1%71.9%75.4%81.3%83.3%84.0%86.4%
200880.1%76.9%79.0%69.7%71.5%76.7%78.7%73.7%73.4%75.4%83.7%81.4%
200979.3%75.7%75.3%72.9%68.0%58.5%76.5%76.8%73.6%80.0%77.8%81.2%
201081.0%78.4%79.7%64.3%68.7%76.1%72.8%75.5%72.5%72.5%82.9%80.9%
201180.3%77.6%79.4%75.4%71.1%72.3%69.6%66.9%68.8%74.8%78.9%81.0%
201279.8%79.7%76.5%65.3%71.3%73.6%68.2%68.8%66.6%78.0%82.9%82.9%
201379.4%78.4%75.0%70.3%66.6%70.3%66.7%70.8%70.7%74.7%82.8%77.0%
201478.4%76.8%73.3%72.3%73.4%73.3%71.2%74.9%74.6%76.6%78.3%84.5%
201578.6%75.1%75.7%66.6%68.4%68.5%73.2%73.6%70.9%75.6%85.2%84.4%
201681.7%79.7%74.7%68.1%68.2%72.2%72.1%72.0%74.9%80.8%82.8%83.1%
201782.2%78.2%75.1%70.3%65.8%71.6%71.6%67.0%73.1%72.5%81.1%81.6%
201879.5%75.7%73.3%63.4%65.0%69.6%68.4%68.4%72.4%76.7%81.8%82.5%
201976.1%76.8%76.0%68.0%64.4%63.5%67.9%81.8%MMM78.2%
202080.8%72.6%70.8%66.1%66.5%68.9%M70.3%70.1%67.9%77.4%82.1%
202180.8%70.6%66.7%65.4%62.5%67.5%64.0%73.5%68.9%74.2%75.6%76.2%
202274.0%72.7%73.2%73.5%73.0%71.5%72.3%73.6%69.2%73.7%76.6%79.1%
202382.9%71.4%68.4%68.3%61.1%72.9%69.9%75.2%75.1%79.9%78.7%83.8%
202482.0%80.3%73.1%64.5%73.6%70.9%75.0%73.4%71.7%66.4%83.0%83.2%
202576.0%73.6%68.4%66.7%58.4%68.6%65.3%73.5%74.4%74.1%77.4%M

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