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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
1963MMMMMMM0.00MMM0.00
1964MMM0.000.000.000.000.000.000.000.000.00
1965M0.000.000.000.000.000.000.000.00MM0.00
1966MMM0.000.000.000.000.000.000.000.000.00
19670.000.000.000.000.000.000.000.000.000.000.000.00
19680.000.000.000.000.000.000.000.000.000.000.000.00
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
19730.000.000.000.000.000.000.000.000.000.000.000.00
19740.000.000.000.000.000.000.000.000.000.000.000.00
19750.000.000.000.000.000.000.000.000.000.000.000.00
19760.000.000.000.000.000.000.000.000.000.000.000.00
19770.000.000.000.000.000.000.000.000.000.000.000.00
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
19890.000.000.000.000.000.000.000.000.000.000.000.00
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
20030.000.000.000.000.000.000.000.000.000.000.000.00
2004MMMMMMMMMMMM
2005MMMMMMMMMMMM
2006MMMMMMMMMMMM
2007M0.00MMMMMMMMMM
2008MMMMMMMMMMMM
2009MMMMMMMMMMMM
2010MMMMMMMMMMMM
2011MMMMMMM0.000.000.000.000.00
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
2026MMMMMMMMMMMM

Average Wind Speed [MPH]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1963MMMMMMMMMMMM
1964MMMMMMMMMMMM
1965MMMMMMMMMMMM
1966MMM6.3MM0.9MMM2.6M
1967MMMM9.8M3.34.1M12.2MM
196811.16.16.910.04.12.66.711.3M6.86.06.7
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
1973MM7.08.110.610.89.410.48.79.38.58.9
19749.78.38.06.89.09.310.58.68.19.18.48.4
197510.211.57.912.111.814.914.210.212.69.710.310.4
197610.08.86.47.511.18.011.18.09.110.38.710.5
19778.58.17.010.610.013.113.39.99.810.911.29.6
19789.511.18.27.810.49.211.88.910.110.79.38.3
19799.77.66.46.310.48.110.912.58.47.69.98.7
19808.46.97.35.710.77.28.89.38.16.16.911.0
198110.49.07.65.611.47.78.98.17.97.97.77.1
19827.56.07.36.410.68.78.810.810.38.38.17.7
19838.36.56.85.87.97.58.59.47.37.36.78.0
19847.26.96.66.08.98.18.47.111.410.68.17.6
19858.98.47.89.011.812.58.37.59.98.010.67.9
19867.86.36.910.511.410.09.18.29.96.77.98.5
19878.58.17.17.87.87.511.28.98.86.77.87.7
19887.77.76.66.76.28.38.29.16.88.17.26.7
19896.77.45.76.86.68.710.911.67.28.77.58.8
19907.87.67.16.88.57.78.89.48.98.76.86.5
19917.27.56.75.79.16.87.77.910.07.97.57.5
19926.92.75.46.56.26.25.65.96.17.36.97.2
19936.06.36.26.77.97.87.37.46.97.06.97.5
19946.47.16.17.89.810.99.39.29.57.48.57.1
19957.36.96.87.98.49.89.18.66.47.47.06.1
19966.56.86.77.27.06.86.78.26.76.86.76.8
19976.77.16.87.96.68.58.46.17.57.97.37.3
19987.26.06.65.37.17.87.86.67.06.87.26.4
19997.57.65.66.15.97.27.49.78.15.86.07.3
20005.86.56.05.95.69.57.46.46.46.86.27.3
20017.16.66.95.77.66.98.58.26.86.86.97.6
20027.47.26.36.77.25.57.77.78.19.58.26.7
20036.26.05.84.45.58.35.67.17.87.76.65.9
20047.16.25.86.14.29.26.05.96.06.66.06.7
20056.56.05.85.39.97.97.07.56.15.87.27.1
20068.06.95.97.17.38.58.57.26.27.97.57.5
20077.26.55.86.45.57.16.86.57.57.76.07.2
20087.57.36.06.35.86.99.69.35.46.17.86.7
20097.16.25.25.46.47.06.09.05.16.76.16.4
20106.17.85.45.15.38.28.68.15.17.26.46.2
20116.76.45.36.25.66.67.78.26.86.26.67.2
20127.45.86.05.16.75.95.27.66.06.37.08.9
20136.67.05.15.87.57.16.18.16.95.96.76.8
20146.66.76.24.88.28.68.26.97.36.56.16.4
20156.36.85.54.88.36.910.18.56.16.97.66.2
20166.76.06.66.72.93.87.37.65.65.77.56.3
20175.76.65.24.87.77.77.810.56.87.86.28.1
20188.56.77.77.26.37.85.18.38.28.18.18.1
20197.08.06.46.36.97.79.37.17.38.08.07.2
20208.87.67.48.17.110.58.27.67.47.38.37.5
20218.08.47.37.87.77.97.39.07.67.76.87.6
20226.65.38.16.05.05.16.13.74.35.14.911.0
20237.34.88.56.77.98.28.99.07.68.28.59.1
20248.18.17.48.26.69.96.77.38.27.58.38.1
20257.67.47.97.38.68.18.76.99.18.17.57.7
20267.77.78.37.36.06.57.58.87.67.4MM

Average Daily High Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1963MMMMMMM46.00MMM61.00
1964MMM57.0054.5045.5049.3348.0052.2559.4060.6461.00
1965M65.7564.5055.0051.6355.6748.7847.8048.00MM59.00
1966MMM58.7554.2149.3348.6950.3051.2553.0061.0057.64
196765.5063.5761.6758.5753.4246.3948.0447.8851.7556.4159.1964.17
196866.2864.6260.0059.9254.9750.6050.8651.8155.4555.9561.2561.41
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197363.0059.0059.1655.5052.5249.5747.3949.5054.2355.8460.6262.87
197463.7765.5460.7057.5053.9747.9347.6650.1353.8656.1056.5763.20
197567.3564.3962.6557.8055.5351.9048.9050.5252.8056.2357.3060.42
197663.8466.3862.6857.4755.5851.9747.8149.7755.0357.1662.8064.71
197767.5568.3266.1360.7757.0351.1348.0651.0055.1360.7759.7767.19
197866.9267.4364.0058.6058.5550.0752.3253.4555.6755.5863.0365.45
197970.4867.6165.0059.6355.4550.8751.6851.6853.5357.0061.2366.97
198069.3466.3266.1455.0454.8850.4249.8352.5054.6859.8158.8264.63
198168.2366.0764.9262.6056.5652.5851.2254.9953.7259.0059.1863.82
198269.1263.7462.6159.9256.0048.8250.7452.1758.2055.2658.9365.82
198370.6066.6063.4559.8454.7149.1647.8752.0452.0458.8362.3469.16
198467.6264.5364.0657.9350.1746.7047.9150.1554.9954.6259.4965.02
198568.3465.5460.2056.0052.3554.5850.0951.3353.7657.6563.1463.87
198665.6664.3760.6656.3553.1349.4849.3450.5153.8960.3258.7363.31
198766.8868.2165.7058.0053.3050.8750.9050.9952.6458.9362.2263.43
198864.0767.2764.1458.3953.7649.6148.7350.0554.4754.9960.1562.84
198966.5866.2262.3556.7651.9951.9449.8050.3853.6357.3961.6263.97
199064.8367.7862.7556.3453.0650.4251.2752.2454.8657.4659.1463.67
199165.9766.7264.3357.9353.3150.2449.3151.0154.2356.0262.3760.61
199268.7562.8563.9755.8350.1846.2048.2952.1053.6753.6062.6363.12
199365.2167.7264.1257.9052.0550.9849.0452.4854.7659.4559.7463.27
199468.1564.3566.6958.0855.2453.2051.6250.7954.1157.2361.2565.53
199564.2966.9662.1359.3154.9749.9845.7148.5653.6656.9560.0569.86
199665.4664.9562.7757.5155.4949.4552.9652.8656.3057.0060.4764.25
199766.6763.2965.9359.9757.1151.2651.5652.8054.2956.2460.9963.61
199865.8271.6264.8662.3260.3353.2351.6952.0153.7359.4360.1264.33
199967.3466.8962.8459.0253.8649.2549.5653.9153.7661.4062.6363.58
200065.3165.2760.8858.1155.3051.6348.4452.8853.1458.4058.9162.61
200165.4866.1061.3656.6953.6750.3149.6552.6256.1157.9260.0466.90
200266.9767.8361.4157.0654.4548.3250.2652.1052.8456.5159.7164.40
200365.3364.0865.3960.5655.4053.3049.5453.2553.9658.2560.8060.50
200468.2769.7166.5158.3355.5952.4551.6253.4454.9356.7061.6464.33
200564.5171.3062.7558.0051.3649.1450.3650.5854.9856.6361.5565.15
200666.3568.4861.6658.9453.6652.9051.4152.0854.3756.6360.3063.25
200767.5165.6164.1257.1452.5148.2647.7448.9854.9756.2059.0263.79
200869.8071.0166.5257.5355.9351.8751.2749.7057.4358.3762.6869.75
2009M48.20M59.00MMMMMM53.60M
201053.60MMM50.00MM51.9253.6657.6659.1262.19
201165.1263.0857.2654.1149.7846.9545.3645.7253.9056.7960.9266.84
201269.8664.5964.2358.4654.8249.4647.7951.3955.2856.9162.6060.80
201371.8966.7864.7561.6454.3450.6049.8350.5254.3857.5560.0866.78
201466.6165.7560.7457.3254.6550.0650.6453.6653.7257.5560.3264.11
201568.0666.9168.0660.5656.1550.8450.7551.7452.7058.5860.9264.65
201670.4467.6365.7458.9460.2852.2251.3953.1957.7459.9963.1465.15
201768.2368.7764.4062.2455.1749.8850.3550.4152.8855.5260.8664.70
201867.7169.6161.9658.3454.9949.6449.7752.7955.3456.6860.5665.27
201963.5368.7163.1857.3254.5351.0850.7051.5154.2657.4360.9264.75
202066.2067.3866.0860.3855.6950.8449.0750.1754.0257.0861.1663.24
202166.7268.5866.1461.2255.0551.5049.9451.0552.5650.8656.4457.51
202259.3060.9054.8950.7246.3141.4545.5043.6347.9350.6058.2158.37
202360.2957.0060.9258.3454.3051.4450.9350.4152.2256.3958.2264.69
202469.5169.5563.3057.5650.8151.2048.2052.1552.1658.7760.0864.05
202569.6365.8864.6358.4053.5449.7051.9254.1856.8458.6564.8264.57
202670.3865.6962.4857.0855.4650.9051.1051.5154.9263.90MM

Average Daily Low Temperature [F]

YearJanFebMarAprMayJunJulAugSepOctNovDec
1963MMMMMMM43.00MMM50.00
1964MMM50.0049.0037.5042.6744.0041.0045.9350.3654.33
1965M54.2551.0043.0040.3750.3340.6739.4043.00MM52.00
1966MMM46.0846.0041.9341.8139.3938.1241.6047.2349.45
196754.5046.1450.0043.4845.9537.7838.8538.4040.7546.3247.3851.94
196851.8050.6248.4444.5446.4539.8442.2539.3043.4043.5251.1851.34
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197354.8052.0048.8445.5042.4240.7036.5539.9337.9742.2643.9046.23
197448.8447.7948.3744.8846.6839.8640.2438.5738.1042.1943.5048.20
197550.4649.9347.4245.7042.9044.2837.9437.1640.9041.5844.1746.26
197648.0048.6943.1640.8344.7436.8036.8137.6140.2342.1044.2749.42
197748.9448.2946.1046.6341.0338.4339.7139.3940.9743.8745.9347.26
197848.0050.9347.3543.4045.1336.0743.6534.9041.5742.0645.5046.90
197948.2646.6145.2344.3044.7439.5039.2342.7738.0342.1944.6346.90
198050.8150.6249.0141.1843.9638.9638.7941.4141.3640.9443.2849.07
198149.6548.3946.8146.3443.8540.1037.9839.4338.1842.3442.5046.69
198250.6846.5145.1145.9746.2536.5839.8939.4043.1643.1844.9549.51
198351.2048.0546.9744.4643.1436.2835.7538.2037.9943.6946.4249.77
198449.4648.7747.0240.6141.1034.6136.2537.2043.2843.6945.4650.24
198551.2950.4947.7043.0542.8646.0239.5239.8539.4841.3546.6548.27
198648.8349.9445.6244.5342.9838.7440.3636.7739.6845.2943.2647.07
198750.0448.6447.8342.6739.6041.0942.9838.3440.7944.6747.0446.93
198848.0449.9046.3243.6139.5838.9735.4438.6939.8540.7346.3748.40
198949.3150.4646.5245.4637.8942.3939.0239.5038.7042.3146.9850.07
199048.8949.4445.6742.0041.8038.2037.9539.4939.6341.0942.9946.58
199149.7348.2146.5143.5542.4239.0836.5535.5541.5239.5546.4546.46
199251.8148.4651.0043.2538.2738.4234.8638.6638.2040.5946.0146.81
199348.1650.2247.3844.4841.2040.0637.1237.5237.9340.8244.4946.59
199448.1946.8146.7342.3443.8143.1136.8136.6839.0742.9545.9748.78
199547.7346.9345.7545.6642.2338.1434.9936.1437.9741.5144.1848.44
199647.1347.5245.9641.1342.1233.1739.0341.3640.4142.2345.7247.03
199750.3644.1145.9745.7744.4741.3640.2538.2339.9041.8445.5347.38
199848.0749.8745.9742.8547.7840.6739.9738.5937.5541.6143.3547.75
199947.5348.4646.0441.3339.5235.1235.1540.3041.9442.5044.9046.43
200047.8647.5143.5743.8841.9140.7736.3638.9038.3742.4742.0347.07
200147.3049.3745.4340.9839.8139.8037.7339.5039.4242.4741.9248.26
200249.3146.9745.1642.4444.2436.6739.7641.2841.8643.4845.3647.06
200350.0046.7946.9740.2541.5241.7837.0538.6841.1842.7446.9045.57
200450.2048.9347.9744.1639.0841.6938.2537.6738.5844.4745.5647.47
200547.9550.6047.1342.1941.2539.3339.8337.4238.6041.8245.1146.72
200648.3850.4144.8842.9040.2042.6439.1137.9138.7840.3742.5347.65
200748.5248.1147.9143.0338.7037.0437.5332.3240.1841.9942.7045.64
200849.5650.3246.0442.9538.6639.4639.7039.9537.1241.5745.4848.17
2009M48.20M59.00MMMMMM53.60M
201053.60MMM50.00MM37.4039.1441.6444.1246.69
201148.9251.0448.7446.6644.4641.5539.6839.3240.1640.1344.8447.74
201250.7547.8947.5641.4841.5836.5034.7938.5640.1641.3543.4048.43
201349.5450.5145.9446.0444.3540.1637.5238.1536.8641.7544.7247.79
201448.3748.0144.7741.7243.0939.0839.5540.7141.5442.2845.3847.21
201549.5447.8145.4144.4845.0640.5839.7840.8339.6840.6445.1048.08
201650.0049.5046.5240.1042.8636.5638.5040.5938.0641.7546.0447.91
201749.5951.6746.0545.4441.7539.7437.6340.5937.8842.8643.8247.84
201849.0748.9745.7041.7842.3937.1634.4437.5739.8042.4543.3447.45
201944.9547.8845.4742.9841.8138.9038.9737.2338.5441.3544.7246.05
202049.4847.2147.6243.6441.5240.5238.1038.7937.7039.8444.9647.21
202147.6848.7847.0447.0641.8136.2638.6839.3743.4247.4353.6952.43
202252.4054.3050.2645.1843.3438.6441.0838.9043.2545.5055.7454.05
202353.9453.9045.2844.7242.5138.1839.0338.3338.0040.3643.3446.86
202449.8849.5745.8842.0235.4841.6033.2836.3039.2041.8144.3645.59
202548.0849.2945.0643.5242.3437.8239.8441.4641.5443.1546.7050.35
202652.2148.9147.3941.4840.6539.7436.4138.1539.5047.89MM

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1963MMMMMMM44.50MMM55.50
1964MMM53.5051.7541.5046.0046.0046.6252.6755.5057.67
1965M60.0057.7549.0046.0053.0044.7243.6045.50MM55.50
1966MMM52.4250.1145.6345.2544.8544.6947.3054.1253.55
196760.0054.8655.8351.0249.6842.0943.4443.1446.2551.3653.2858.06
196859.0457.6254.2252.2350.7145.2246.5545.5649.4249.7456.2156.38
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
197358.9055.5054.0050.5047.4745.1341.9744.7246.1049.0552.2654.55
197456.3156.6654.5451.1950.3243.9043.9544.3545.9849.1550.0355.70
197558.9057.1655.0351.7549.2248.0943.4243.8446.8548.9050.7353.34
197655.9257.5352.9249.1550.1644.3842.3143.6947.6349.6353.5357.06
197758.2458.3056.1153.7049.0344.7843.8945.1948.0552.3252.8557.23
197857.4659.1855.6851.0051.8443.0747.9844.1848.6248.8254.2756.18
197959.3757.1155.1151.9750.1045.1845.4547.2345.7849.6052.9356.94
198060.0758.4757.5848.1149.4244.6944.3146.9548.0250.3851.0556.85
198158.9457.2355.8654.4750.2046.3444.6047.2145.9550.6750.8455.25
198259.9055.1353.8652.9451.1342.7045.3245.7850.6849.2251.9457.67
198360.9057.3255.2152.1548.9342.7241.8145.1245.0251.2654.3859.47
198458.5456.6555.5449.2745.6440.6642.0843.6849.1449.1552.4857.63
198559.8158.0253.9549.5247.6150.3044.8045.5946.6249.5054.9056.07
198657.2457.1553.1450.4448.0544.1144.8543.6446.7852.8050.9955.19
198758.4658.4356.7650.3346.4545.9846.9444.6646.7251.8054.6355.18
198856.0558.5955.2351.0046.6744.2942.0844.3747.1647.8653.2655.62
198957.9458.3454.4451.1144.9447.1744.4144.9446.1749.8554.3057.02
199056.8658.6154.2149.1747.4344.3144.6145.8747.2549.2751.0755.12
199157.8557.4655.4250.7447.8644.6642.9343.2847.8847.7954.4153.53
199260.2855.6557.4949.5444.2342.3141.5845.3845.9447.0954.3254.97
199356.6858.9755.7551.1946.6345.5243.0845.0046.3450.1452.1254.93
199458.1755.5856.7150.2149.5348.1644.2243.7346.5950.0953.6157.15
199556.0156.9453.9452.4848.6044.0640.3542.3545.8249.2352.1259.15
199656.3056.2454.3649.3248.8041.3146.0047.1148.3649.6153.0955.64
199758.5153.7055.9552.8750.7946.3145.9145.5247.0949.0453.2655.50
199856.9460.7455.4252.5954.0646.9545.8345.3045.6450.5251.7456.04
199957.4357.6854.4450.1846.6942.1842.3647.1147.8551.9553.7655.00
200056.5956.3952.2250.9948.6146.2042.4045.8945.7650.4450.4754.84
200156.3957.7453.3948.8346.7445.0643.6946.0647.7650.1950.9857.58
200258.1457.4053.2849.7549.3442.4945.0146.6947.3550.0052.5455.73
200357.6655.4356.1850.4048.4647.5443.2945.9647.5750.4953.8553.03
200459.2359.3257.2451.2447.3447.0744.9345.5646.7550.5853.6055.90
200556.2360.9554.9450.0946.3044.2445.1044.0046.7949.2253.3355.93
200657.3659.4453.2750.9246.9347.7745.2644.9946.5748.5051.4155.45
200758.0156.8656.0150.0945.6042.6542.6340.6547.5749.0950.8654.71
200859.6860.6756.2850.2447.2945.6645.4944.8347.2849.9754.0858.96
2009M48.20M59.00MMMMMM53.60M
201053.60MMM50.00MM44.6646.4049.6551.6254.44
201157.0257.0653.0050.3947.1244.2542.5242.5247.0348.4652.8857.29
201260.3156.2455.8949.9748.2042.9841.2944.9847.7249.1353.0054.62
201360.7158.6555.3453.8449.3545.3843.6744.3445.6249.6552.4057.29
201457.4956.8852.7649.5248.8744.5745.0947.1847.6349.9152.8555.66
201558.8057.3656.7452.5250.6145.7145.2746.2846.1949.6153.0156.36
201660.2258.5756.1349.5251.5744.3944.9546.8947.9050.8754.5956.53
201758.9160.2255.2353.8448.4644.8143.9945.5045.3849.1952.3456.27
201858.3959.2953.8350.0648.6943.4042.1045.1847.5749.5651.9556.36
201954.2458.2954.3350.1548.1744.9944.8344.3746.4049.3952.8255.40
202057.8457.2956.8552.0148.6145.6843.5844.4845.8648.4653.0655.23
202157.2058.6856.5954.1448.4343.8844.3145.2147.9949.1455.0754.97
202255.8557.6052.5747.9544.8340.0443.2941.2645.5948.0556.9756.21
202357.1155.4553.1051.5348.4044.8144.9844.3745.1148.3750.7855.78
202459.7059.5654.5949.7943.1546.4040.7444.2245.6850.2952.2254.82
202558.8557.5954.8550.9647.9443.7645.8847.8249.1950.9055.7657.46
202661.2957.3054.9449.2848.0545.3243.7644.8347.2155.90MM

Average Relative Humidity [%]

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
1963MMMMMMMMMMMM
1964MMMMMMMMMMMM
1965MMMMMMMMMMMM
1966MMM74.5%MM80.9%MMM73.2%M
1967MMMM90.0%M93.5%94.5%M85.8%MM
196873.4%91.2%82.1%85.6%88.3%87.7%89.2%90.0%M78.4%84.8%80.9%
1969MMMMMMMMMMMM
1970MMMMMMMMMMMM
1971MMMMMMMMMMMM
1972MMMMMMMMMMMM
1973MM87.3%85.2%88.4%91.0%87.4%89.2%84.6%84.7%79.3%80.9%
197481.8%80.9%86.8%88.3%92.4%93.9%93.3%91.0%86.7%85.3%86.0%80.2%
197584.3%84.9%88.1%91.4%91.5%92.0%91.4%89.1%88.4%82.8%81.7%78.4%
197682.2%83.6%86.7%89.1%91.2%92.3%88.7%89.6%82.1%82.1%80.6%81.9%
197781.7%83.3%87.6%89.4%92.6%93.0%94.5%92.4%91.7%89.1%87.0%80.3%
197882.9%85.0%87.9%92.0%94.1%95.3%96.4%91.8%91.1%90.5%85.8%83.5%
197977.5%76.8%81.9%86.5%92.4%93.8%93.3%92.9%88.8%88.2%83.5%81.4%
198083.3%87.3%88.8%92.3%93.2%93.2%93.1%91.6%89.5%85.1%85.9%86.3%
198186.8%84.2%87.8%88.1%90.5%93.4%90.4%90.3%86.6%80.9%81.2%79.0%
198279.2%83.5%82.8%87.9%91.1%90.6%90.3%88.6%83.0%85.9%83.0%79.6%
198378.8%81.1%84.2%88.4%88.3%89.2%90.2%87.5%85.6%83.1%80.6%77.3%
198480.2%83.6%83.5%86.1%89.5%89.9%89.3%88.1%84.7%85.6%80.8%81.2%
198576.5%81.5%83.7%87.0%89.5%90.1%87.1%86.4%83.8%79.9%79.1%76.5%
198676.9%81.9%83.2%86.2%88.3%90.1%90.1%86.8%83.7%83.8%80.7%76.8%
198775.9%76.8%81.7%87.4%87.7%90.3%89.5%85.0%82.9%81.5%79.0%76.2%
198876.9%77.6%78.1%84.2%86.1%88.1%83.3%85.7%80.6%78.8%77.0%78.1%
198975.6%79.4%83.0%87.1%90.4%89.9%87.7%88.0%83.9%79.6%79.1%80.2%
199080.5%82.1%85.3%89.3%91.6%91.7%90.2%86.9%84.8%83.1%79.2%80.3%
199180.1%78.9%83.8%89.3%90.3%92.6%92.2%87.0%87.1%82.2%79.6%82.8%
199274.7%78.8%85.6%89.2%90.4%93.5%85.9%88.0%86.3%85.3%82.0%79.0%
199380.2%82.8%88.8%89.6%90.3%91.6%92.0%89.8%86.8%83.9%84.0%81.8%
199481.1%84.5%85.0%89.9%91.7%94.2%92.0%92.8%88.3%87.8%79.1%81.2%
199583.1%80.6%83.9%87.9%91.2%89.8%90.7%90.3%84.2%79.1%76.1%71.5%
199671.4%76.2%83.2%83.9%87.2%84.5%86.9%82.1%78.9%79.2%77.4%72.6%
199776.7%75.2%78.6%87.8%80.8%84.7%86.1%80.3%77.3%79.1%77.6%77.0%
199872.1%69.0%78.5%83.1%89.3%89.8%91.2%88.5%75.7%75.1%74.3%76.1%
199973.6%73.5%82.4%84.5%91.1%91.3%89.1%84.9%87.2%75.3%76.7%76.5%
200078.1%79.7%83.1%88.4%90.8%92.2%85.1%86.0%82.5%81.3%76.4%78.8%
200180.5%81.7%85.9%87.9%91.0%93.3%89.9%88.2%84.0%84.3%79.6%76.8%
200278.1%78.5%82.1%87.1%92.2%90.2%92.3%89.3%88.2%82.1%82.4%79.8%
200382.4%82.9%84.4%88.1%91.9%90.7%92.1%87.5%87.6%82.9%84.1%82.1%
200481.2%80.8%84.5%90.5%92.2%94.3%91.1%90.8%87.5%89.7%83.6%82.3%
200581.1%82.8%88.0%87.7%93.2%94.4%94.7%90.1%88.0%85.0%83.6%81.4%
200681.0%83.2%87.3%89.1%92.8%93.9%91.6%90.3%89.3%84.9%79.7%81.8%
200779.8%80.3%88.0%91.3%92.0%92.8%94.7%89.7%88.0%85.6%81.7%79.7%
200877.9%78.1%81.8%88.3%91.1%91.6%89.4%90.6%85.7%84.8%81.8%77.5%
200976.5%83.2%87.0%95.6%96.7%95.6%92.1%91.5%88.4%85.8%84.8%84.1%
201081.5%84.4%88.5%92.0%91.9%92.9%90.9%87.2%88.6%86.0%84.8%84.2%
201182.5%83.9%88.6%92.5%95.5%91.2%89.3%87.8%89.1%86.0%85.3%82.9%
201281.2%87.3%87.6%90.7%93.1%93.3%94.4%92.1%90.5%89.6%85.3%90.8%
201381.0%86.7%81.6%87.0%88.7%90.4%88.2%84.2%78.8%82.4%78.5%73.7%
201476.3%78.4%83.6%88.1%89.0%90.0%88.0%86.7%85.6%81.9%78.4%76.7%
201576.7%77.5%75.7%87.8%88.2%89.8%88.9%87.1%84.3%75.3%79.6%76.5%
201675.2%76.1%80.0%82.6%86.7%91.6%88.2%86.9%81.8%80.1%76.3%77.8%
201777.0%81.2%83.5%86.1%88.3%91.7%88.0%87.0%83.7%84.1%78.2%78.4%
201877.4%79.5%83.0%85.5%90.6%90.2%88.2%88.0%84.5%83.3%79.0%77.1%
201977.6%76.0%83.9%88.2%91.0%90.7%89.3%88.0%82.9%78.9%81.9%77.7%
202079.5%78.8%83.2%87.5%91.6%88.4%90.0%88.9%84.3%80.5%80.1%79.8%
202178.3%76.9%82.4%87.8%90.9%90.4%92.9%90.0%86.7%92.9%92.5%85.7%
202297.2%96.8%98.1%95.8%98.6%100.0%100.0%98.8%96.7%89.7%95.2%92.5%
202393.1%97.4%85.6%92.4%93.3%94.5%93.8%90.9%88.3%83.7%85.0%78.5%
202478.9%79.7%84.5%88.9%92.8%89.3%87.4%85.8%85.5%80.2%78.0%72.7%
202571.8%76.5%80.8%88.6%90.8%89.7%88.3%89.4%84.0%80.8%79.1%81.4%
202677.2%79.3%84.0%86.9%89.5%92.2%88.3%86.6%85.4%82.3%MM

Monthly Plots

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Monthly Plot
Monthly Plot