[RZN] SIREN [2001-]
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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 (USC00471978) 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
2001MM0.125.441.722.241.362.680.831.581.100.27
20020.080.710.722.271.862.643.860.182.890.000.000.30
20030.020.100.641.914.702.492.430.952.371.250.310.04
20040.060.640.511.593.951.663.022.454.253.040.390.68
20050.560.421.192.001.483.540.160.000.836.411.760.46
20060.520.210.711.433.031.091.332.121.020.960.811.55
20070.030.131.591.101.811.642.103.654.765.140.070.35
20085.690.060.322.742.862.842.622.392.752.560.000.00
20090.0011.561.381.161.121.212.352.430.774.830.530.69
20100.520.101.051.572.677.325.343.654.402.441.100.98
20110.020.130.722.873.413.593.236.091.000.280.160.30
20120.110.111.791.788.703.803.401.730.551.410.570.67
20130.550.250.862.383.136.250.721.683.044.110.780.51
20140.180.170.883.646.264.451.305.075.231.910.750.55
20150.05M0.351.563.822.064.497.893.404.002.610.91
20160.300.112.643.081.192.937.362.853.742.111.361.07
20170.400.630.542.334.083.792.475.431.391.710.890.25
20180.020.500.260.261.925.701.901.272.882.951.120.76
20190.300.190.693.205.092.094.791.744.513.590.671.59
20200.27M1.572.343.371.833.663.391.421.320.670.05
20210.350.232.362.371.362.630.382.353.061.781.240.51
20220.040.081.263.103.332.032.824.862.050.472.570.63
20230.771.271.293.120.233.582.601.955.892.510.071.74
20240.010.251.253.692.947.751.183.360.591.751.351.03
20250.070.171.352.152.494.622.971.802.240.05MM
NCEI Climatology0.720.831.262.673.594.084.223.893.583.011.390.90

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2001MM7.57.96.86.25.55.14.87.56.67.4
20026.28.37.27.87.16.55.15.85.75.55.96.5
20037.37.47.07.16.25.05.24.57.06.27.66.7
20046.25.67.46.87.56.64.95.67.36.65.77.6
20055.75.95.76.67.16.56.05.56.55.56.54.8
20066.96.45.87.07.35.55.94.85.47.05.16.7
20076.56.87.37.48.67.05.35.17.66.97.64.8
20086.15.56.37.66.96.55.74.96.16.26.56.9
20095.47.17.57.38.45.96.05.64.56.15.05.8
20104.74.05.77.36.35.05.46.26.06.07.56.2
20115.98.26.98.18.17.55.34.65.16.46.86.2
20127.26.67.16.97.25.94.94.75.36.06.55.0
20137.16.16.17.77.35.36.64.96.56.57.85.4
20148.07.57.07.76.46.46.54.26.36.77.56.4
20157.27.07.57.76.55.06.26.06.16.17.56.9
20166.17.06.08.26.16.85.84.76.46.45.98.3
20175.67.76.66.44.94.33.74.66.17.56.96.1
20186.66.65.77.05.75.85.04.45.86.86.25.8
20195.95.56.56.56.45.44.74.76.17.46.05.5
20206.06.57.07.26.46.65.45.25.76.97.25.4
20214.76.37.36.86.35.44.25.75.35.06.76.5
20226.67.07.18.77.17.25.65.05.06.46.96.3
20235.36.25.78.06.84.44.04.54.65.66.14.9
20245.55.87.17.46.36.14.54.25.26.66.46.3
20257.26.06.46.96.05.54.94.24.57.2MM
NCEI ClimatologyMMMMMMMMMMMM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2001MM39.0055.5367.4374.9881.7180.6667.1755.4151.0732.76
200229.7833.3630.1451.1361.7975.9883.2678.8071.7548.3439.4132.14
200323.4824.8839.1056.9068.0976.7380.6383.5371.4459.7939.5332.47
200418.5330.4541.2956.3062.2569.2072.0666.3768.2454.3042.8027.06
200520.8531.1037.5257.1460.5177.4282.6980.0274.2459.5843.7626.60
200632.8125.5139.0360.0867.9477.7286.9377.5865.0649.8341.1233.57
200725.0920.3943.6154.3870.7378.8681.0677.1270.7659.1739.1423.75
200822.1323.4334.9051.4463.5974.4880.2580.7271.3059.2342.6224.51
200919.2331.3642.3957.3667.5273.4975.2374.9175.9452.6653.9227.93
201021.0329.4950.3363.6370.1473.7581.5181.0564.9360.2640.6222.07
201115.9227.8039.8963.6568.6677.8484.3878.6475.0469.7950.0841.34
201227.9533.2453.8356.1269.6877.8484.6178.2871.1852.7941.9028.69
201323.2325.3133.0544.6065.1874.2680.6081.0473.1454.0538.0315.93
201414.3116.1331.0047.1766.4876.7277.6477.8568.6455.2930.1927.99
201522.6416.8543.4557.3767.0275.9380.9076.4873.9857.8947.5033.97
201622.9729.4646.3553.5369.9277.2580.3778.5670.5959.1749.7024.85
201725.0836.1339.9855.4565.0877.1079.9373.3773.1657.1537.7821.23
201822.7323.6437.9345.9976.6277.8381.2179.4870.1949.8031.3130.06
201919.3719.9835.0451.7863.0176.6081.3776.9570.1251.5533.2928.40
202025.7028.3642.0953.3165.6080.0881.4479.1067.3448.2644.5830.46
202126.9117.8046.8754.2068.0683.9482.7881.1974.2061.1041.5530.50
202217.1421.9336.1247.1268.7778.8981.1777.7371.4658.6140.1223.31
202324.8329.0235.0449.9565.5481.3580.2878.7773.1556.6843.4837.17
202425.2139.6143.9655.4170.0775.7881.6478.3077.9564.2242.5628.43
202521.6923.6945.8554.2970.1775.9281.2775.6573.5073.52MM
NCEI Climatology21.6127.6039.7053.9067.2975.5079.7078.1070.0155.9040.2026.80

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
2001MM26.6035.1545.0854.9158.9656.7947.5534.8832.2316.33
200213.1215.019.7431.5936.8955.2361.9958.7752.5331.7722.5517.26
20035.613.2919.0332.9942.5253.6358.2859.4448.2138.2524.1015.72
20040.4712.3223.9329.9640.1946.0450.1745.1248.2635.8326.368.83
20053.4914.7715.9233.8041.5255.2259.9355.5251.9238.7425.7615.45
200619.985.4522.0736.1445.8851.8060.7457.3742.5629.7424.7419.92
20078.251.6624.5130.0846.5754.2057.1455.6948.4441.6424.866.74
20084.422.8916.9631.4638.6251.9256.6856.3351.1439.0326.782.62
2009-4.9911.8122.5633.2439.7249.7551.7352.3150.3439.0934.4511.54
20100.113.9626.5036.0543.6953.3860.5461.6144.0635.6224.025.05
2011-0.25-2.803.730.8232.1849.3261.1857.5641.2636.8026.1910.34
201210.9318.8434.9033.7446.5754.9262.3753.0241.6032.5224.0211.10
20135.295.7713.5928.2241.1952.5058.1754.9648.5536.9919.30-3.55
2014-8.15-6.4210.8427.4943.1754.5256.4257.2348.2235.0314.9416.89
20157.41-3.3420.4233.0442.5252.8258.6955.7654.3636.8329.9724.13
20166.7311.1926.9234.0343.1554.5860.1059.5951.6640.1331.0612.30
20179.5117.1719.7034.0342.0551.7056.3853.1250.0238.5819.556.20
20181.81-0.3116.9321.7347.7656.2557.5458.7349.6733.2117.8815.40
20196.266.4414.3330.4939.6751.4459.8854.6152.9335.5020.178.30
20209.854.2525.0728.8142.8955.3957.3557.8344.9531.1927.3911.40
20219.96-0.9925.3231.9242.7356.4156.0458.3647.4542.0323.139.98
2022-6.12-3.2417.8128.8043.9153.0858.0056.3047.9036.6323.856.58
202311.536.4414.6030.5743.3954.3954.5655.2953.1738.7323.3724.83
202414.0316.6621.2533.0743.6152.2957.8659.2152.4738.2428.6615.19
20251.632.8321.6031.1942.4154.7159.0356.1951.2449.05MM
NCEI Climatology2.196.7019.0031.4143.6052.8258.3056.0148.3135.9023.8110.80

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2001MM32.8045.3456.2664.9570.3468.7357.3645.1541.6524.55
200221.4524.1919.9441.3649.3465.6172.6368.7962.1440.0530.9824.70
200314.5514.0929.0644.9555.3165.1869.4571.4859.8249.0231.8124.09
20049.5021.3932.6143.1351.2257.6261.1255.7558.2545.0634.5817.95
200512.1722.9426.7245.4751.0266.3271.3167.7763.0849.1634.7621.03
200626.4015.4830.5548.1156.9164.7673.8467.4853.8139.7832.9326.75
200716.6711.0234.0642.2358.6566.5369.1066.4059.6050.4132.0015.25
200813.2713.1625.9341.4551.1063.2068.4668.5261.2249.1334.7013.56
20097.1221.5932.4745.3053.6261.6263.4863.6163.1445.8744.1919.73
201010.5716.7238.4249.8456.9163.5671.0371.3354.5047.9432.3213.56
20117.8412.5021.8132.2450.4263.5872.7868.1058.1553.2938.1425.84
201219.4426.0444.3744.9358.1366.3873.4965.6556.3942.6532.9619.89
201314.2615.5423.3236.4153.1963.3869.3968.0060.8445.5228.666.19
20143.084.8520.9237.3354.8365.6267.0367.5458.4345.1622.5722.44
201515.026.7631.9345.2154.7764.3769.7966.1264.1747.3638.7429.05
201614.8520.3336.6443.7856.5465.9170.2469.0861.1249.6540.3818.58
201717.2926.6529.8444.7453.5664.4068.1563.2561.5947.8728.6613.72
201812.2711.6727.4333.8662.1967.0469.3769.1059.9341.5124.5922.73
201912.8113.2124.6941.1451.3464.0270.6365.7861.5243.5326.7318.35
202017.7716.3133.5841.0654.2567.7369.3968.4656.1439.7335.9820.93
202118.448.4036.1043.0655.4070.1869.4169.7760.8251.5632.3420.24
20225.519.3426.9737.9656.3465.9969.5867.0159.6847.6231.9814.95
202318.1817.7324.8240.2654.4767.8767.4267.0363.1647.7033.4331.00
202419.6228.1332.6044.2456.8464.0469.7568.7665.2151.2335.6121.81
202511.6613.2633.7242.7456.2965.3170.1565.9262.3761.29MM
NCEI Climatology11.9017.1529.3542.6555.4564.1669.0067.0559.1645.9032.0018.80

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2001MM81.5%71.0%64.1%68.3%62.7%67.4%70.5%68.3%76.7%77.9%
200278.4%72.1%66.7%82.3%77.6%87.8%78.7%75.3%77.9%77.7%73.3%77.8%
200368.4%68.8%69.5%60.7%60.8%69.9%71.5%72.2%69.7%69.2%75.2%76.5%
200472.0%75.1%73.8%58.4%65.4%67.0%72.3%75.5%73.3%75.0%74.5%77.7%
200574.3%76.9%64.8%60.9%69.0%70.8%66.4%65.8%68.7%74.1%75.3%82.1%
200678.2%64.2%67.2%54.6%67.8%66.8%63.6%74.6%75.2%70.2%75.5%78.9%
200776.1%69.0%71.0%57.9%59.9%61.3%64.7%68.3%69.5%71.5%64.1%77.7%
200870.0%67.3%61.6%64.6%56.9%62.3%64.8%61.6%63.2%59.7%62.8%63.1%
200959.2%58.3%55.4%46.1%52.4%64.2%65.8%70.8%69.0%72.6%64.8%67.2%
201077.1%69.5%66.0%54.0%62.9%75.8%72.7%74.9%77.4%69.3%74.3%82.5%
201179.1%72.7%69.4%67.0%62.0%70.4%72.1%76.0%75.9%67.5%70.4%77.3%
201276.8%73.5%71.1%59.2%65.0%68.3%71.8%70.9%63.0%70.0%74.9%82.3%
201376.3%76.0%69.1%70.7%66.4%73.9%67.2%69.2%73.0%77.4%72.6%80.2%
201470.8%69.8%66.5%69.4%63.4%72.1%70.5%77.9%76.0%73.3%76.2%83.4%
201573.6%64.5%58.1%53.9%67.9%70.1%69.6%76.0%74.6%73.4%74.4%85.8%
201678.4%72.2%73.2%61.5%59.5%68.5%72.8%77.3%78.5%73.5%76.5%76.0%
201778.2%67.1%62.7%66.5%63.9%67.0%72.7%78.8%75.9%69.6%74.7%75.0%
201873.2%67.2%62.1%58.1%56.2%69.0%71.5%75.8%76.6%75.3%77.4%81.1%
201972.9%76.8%68.4%66.4%65.3%64.5%73.9%72.4%81.0%73.5%75.5%82.0%
202079.7%65.0%69.6%57.7%59.3%62.0%71.4%74.1%74.1%68.9%71.0%79.2%
202180.8%68.1%62.5%65.8%60.2%60.5%67.4%69.3%69.8%77.4%66.8%75.7%
202269.5%65.8%65.5%67.3%60.6%60.2%69.5%75.8%74.3%67.3%74.9%78.1%
202384.4%71.2%71.4%67.4%60.4%64.1%69.9%72.2%77.8%75.2%68.4%82.8%
202479.2%68.5%56.1%62.7%63.9%72.6%72.3%76.5%68.9%61.3%79.6%80.6%
202566.3%66.0%61.4%61.9%58.2%73.0%72.7%77.0%78.8%63.4%MM

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