CHARLESTON, ILLINOIS

Monthly Total Growing Degree Days

(111436)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1896 0.00 z 33.00 58.38 a 636.00 948.00 976.50 1107.50 1074.00 746.50 366.00 228.00 61.00 6234.88
1897 41.50 14.50 149.50 328.00 570.50 954.50 1158.50 1015.00 946.50 691.00 158.50 22.50 6050.50
1898 16.00 47.00 220.50 327.00 737.00 1047.50 1159.50 1105.50 931.00 427.50 133.00 9.50 6161.00
1899 10.50 10.50 55.50 485.50 771.50 1052.50 1135.00 1174.50 799.00 653.00 246.50 42.00 6436.00
1900 52.00 12.00 70.50 449.00 819.00 954.50 0.00 z 1223.00 927.00 711.50 175.50 23.00 5417.00
1901 39.00 1.00 149.83 a 0.00 z 692.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 70.50 22.73 a 975.07
1902 16.00 10.00 214.50 330.50 898.50 957.41 a 1154.00 998.50 747.00 583.00 367.50 6.20 a 6283.11
1903 26.50 24.50 268.50 381.72 a 863.50 829.00 1135.50 1028.88 b 797.50 507.00 159.00 0.00 6021.60
1904 16.00 25.50 140.50 256.00 734.00 933.00 1061.00 1016.50 863.00 479.50 166.00 30.50 5721.50
1905 9.50 2.50 267.00 411.00 791.00 1034.48 a 1074.00 1120.50 889.00 480.00 141.00 3.50 6223.48
1906 62.50 47.00 26.87 a 513.50 774.50 919.00 1041.00 1131.50 927.00 470.00 114.50 59.00 6086.37
1907 72.50 26.00 348.50 161.50 549.50 847.50 1123.00 1017.00 770.17 a 416.00 77.00 44.00 5452.67
1908 8.50 22.50 226.50 404.00 762.50 939.00 1107.73 a 1077.50 920.00 474.00 217.76 a 49.08 a 6209.08
1909 78.00 43.00 87.50 385.50 643.00 996.50 1025.50 1134.50 745.00 364.00 396.00 53.50 5952.00
1910 5.00 12.00 408.50 413.00 568.00 888.00 1088.50 990.97 a 815.00 561.50 77.00 1.50 5828.97
1911 47.00 93.50 137.50 343.50 902.62 a 1087.00 1138.50 1052.50 915.50 461.00 85.00 52.00 6315.62
1912 0.00 7.00 51.50 464.00 792.00 849.83 a 1109.00 1010.50 835.00 537.69 b 152.07 a 42.37 a 5850.95
1913 37.56 e 41.48 a 162.75 a 382.50 808.58 a 1083.62 a 1236.00 0.00 z 0.00 z 318.00 f 300.00 a 83.00 4135.49
1914 53.50 0.00 155.00 409.66 a 816.00 1165.00 1255.50 1143.50 809.00 564.00 243.50 34.88 c 6649.53
1915 3.50 70.50 27.50 559.66 a 648.93 a 868.00 765.50 g 853.00 879.00 558.00 c 248.50 2.07 a 4718.66
1916 65.50 17.50 160.50 340.50 796.00 847.50 1262.00 1179.00 767.50 474.50 255.50 75.00 6241.00
1917 24.50 28.50 201.50 362.50 515.08 e 883.50 1097.00 974.50 762.00 263.00 181.00 24.50 5317.58
1918 0.00 57.50 207.59 c 238.85 d 921.70 c 1009.00 1045.00 1219.00 592.50 574.50 158.50 110.10 b 6134.24
1919 28.50 11.76 c 193.50 441.00 641.50 1080.50 1216.50 1051.00 928.50 630.00 122.50 3.10 a 6348.36
1920 0.00 9.00 209.00 269.00 687.50 960.50 1088.50 1035.50 896.50 644.28 a 153.00 50.50 6003.28
1921 46.50 61.00 386.50 477.86 b 777.00 1110.00 1261.00 1058.00 972.50 503.50 159.00 39.50 6852.36
1922 11.50 53.50 207.50 463.00 823.50 1028.50 1097.50 1096.50 949.50 602.50 217.24 a 48.50 6599.24
1923 19.00 3.00 111.00 353.79 a 660.00 978.50 1141.32 a 1072.50 814.00 377.00 161.50 115.50 5807.11
1924 3.50 26.00 62.50 478.97 a 517.50 940.00 1010.50 1083.50 674.00 656.34 b 192.00 39.50 5684.31
1925 1.50 108.00 227.50 591.50 636.50 1080.00 1118.00 1062.50 1045.00 284.50 106.00 16.00 6277.00
1926 6.50 19.50 0.00 n 233.00 804.50 847.00 1187.50 1147.50 890.00 484.50 89.50 13.50 5723.00
1927 0.00 d 87.63 a 210.50 427.24 a 698.00 841.50 1086.50 907.00 972.00 631.00 275.00 29.00 6165.37
1928 49.00 29.50 147.50 286.55 a 723.33 a 797.00 1154.50 1144.00 647.00 f 552.00 172.00 45.00 5100.39
1929 11.00 11.50 334.80 a 506.50 653.50 924.00 1178.55 c 1024.60 b 815.17 a 476.00 100.00 59.50 6095.13
1930 23.50 155.50 115.00 516.00 779.00 965.50 1252.50 1147.00 920.50 467.30 d 256.03 a 25.00 6622.83
1931 35.50 49.50 36.50 446.00 642.00 1078.00 1252.00 1096.50 1002.00 637.50 419.00 97.50 6792.00
1932 74.50 112.50 93.00 442.50 765.00 1053.00 1208.00 1120.65 a 856.50 522.00 81.50 99.50 6428.65
1933 85.00 49.00 161.00 411.50 818.00 1170.00 1236.50 1070.50 1060.50 498.50 158.50 110.00 6829.00
1934 35.00 8.00 120.00 420.50 876.50 1222.50 1317.50 1107.00 805.50 610.00 246.50 1.00 6770.00
1935 39.78 a 32.50 316.00 322.50 589.50 868.00 1225.50 1131.50 826.00 523.00 146.00 11.50 6031.78
1936 5.00 30.50 220.10 a 324.00 839.00 1019.50 1384.50 1276.50 936.50 493.00 95.00 56.00 6679.60
1937 24.00 26.00 100.00 367.00 751.50 951.00 1075.50 1142.00 767.50 423.00 156.50 11.00 5795.00
1938 5.50 112.50 304.00 465.50 713.50 938.50 1143.50 1141.00 903.62 a 611.00 253.00 22.50 6614.12
1939 63.50 14.50 203.00 318.00 829.00 1028.00 1135.50 1030.50 984.00 579.50 115.50 80.00 6381.00
1940 0.00 0.00 147.50 367.50 637.00 1014.00 1154.50 1138.00 782.00 631.50 154.50 46.00 6072.50
1941 16.50 15.50 53.50 530.00 860.50 1039.00 1150.50 1125.00 912.00 620.50 215.00 115.00 6653.00
1942 23.00 5.50 234.00 547.50 728.50 1001.50 1135.50 1041.00 803.00 572.50 232.50 23.50 6348.00
1943 20.50 92.00 150.00 371.50 717.50 1087.00 1182.00 1195.00 755.50 497.50 100.00 26.50 6195.00
1944 53.50 67.50 88.00 366.50 889.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 36.00 m 0.00 b 1465.00
1945 0.00 52.00 390.00 427.50 560.50 827.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2257.00
1946 3.00 t 35.00 462.50 492.50 637.00 991.50 1122.00 938.50 828.00 645.50 211.00 102.00 6465.50
1947 47.00 4.00 43.00 394.50 628.00 880.50 998.00 1309.00 858.00 726.00 89.00 46.00 6023.00
1948 10.50 62.00 223.00 524.00 687.00 985.34 a 1107.98 b 1086.00 878.50 426.77 a 205.00 96.74 b 6292.84
1949 34.50 41.50 208.50 390.00 b 825.24 b 847.50 f 1245.34 b 1069.50 e 688.50 612.25 a 201.00 87.66 b 5403.99
1950 153.28 d 14.00 b 123.50 274.14 a 830.11 d 978.46 d 1032.41 c 984.54 d 464.50 m 652.50 148.80 e 12.50 5204.24
1951 41.50 69.50 79.00 f 347.31 d 0.00 z 735.50 f 1112.68 c 860.50 f 733.85 d 580.98 b 85.71 b 100.50 3072.03
1952 74.00 33.00 125.00 402.00 737.91 c 1149.00 1192.31 e 1048.83 d 251.00 u 331.46 e 173.04 b 49.00 5315.55
1953 45.50 44.50 189.00 306.00 e 737.36 c 1127.22 c 737.50 l 1098.29 c 895.38 d 633.00 204.00 51.50 5331.75
1954 22.50 64.30 a 83.00 529.82 b 555.79 c 1102.00 1259.00 1107.00 960.00 539.00 158.50 16.50 6397.40
1955 32.55 a 38.50 155.50 558.50 768.00 818.00 1232.00 1155.00 896.54 d 498.67 b 123.50 17.00 6293.76
1956 0.00 21.50 117.00 324.50 770.50 995.00 1057.00 1054.50 785.00 663.50 196.55 a 69.50 6054.55
1957 6.50 57.50 113.15 a 449.50 698.02 a 971.00 1122.00 1060.00 751.00 362.50 115.50 58.38 a 5765.05
1958 0.00 b 43.50 13.43 a 376.00 688.50 819.50 1032.50 1041.00 803.50 487.98 b 251.00 0.50 5557.42
1959 12.00 28.50 135.00 385.34 a 826.00 1027.20 e 889.50 f 1148.50 850.34 a 452.00 84.50 50.00 4999.39
1960 23.25 a 2.00 68.72 a 504.11 b 646.00 951.50 1081.50 1142.50 994.00 564.00 180.00 23.50 6181.07
1961 8.00 87.11 a 182.50 289.00 606.00 934.50 1120.00 1053.00 944.50 563.50 175.71 b 32.50 5996.33
1962 11.50 36.50 99.00 386.00 982.50 1010.50 1086.50 1085.00 790.00 633.00 122.00 58.00 6300.50
1963 8.50 8.00 246.50 540.00 712.50 1042.00 1096.50 1011.00 866.00 807.00 237.50 11.50 6587.00
1964 53.00 4.00 139.00 488.00 879.00 1069.00 1146.50 1091.50 869.50 454.50 340.00 35.00 6569.00
1965 63.50 50.00 44.50 497.50 928.50 972.50 1080.00 1049.00 872.00 510.00 281.50 122.00 6471.00
1966 20.00 45.50 225.00 345.50 636.00 1001.00 1270.50 1047.00 783.00 439.50 216.00 52.00 6081.00
1967 65.00 27.48 a 255.00 519.00 624.50 1021.00 1054.00 943.50 763.00 470.50 91.50 53.50 5887.98
1968 34.50 18.50 254.50 447.50 655.00 1046.00 1131.00 1120.00 861.00 495.00 163.00 19.50 6245.50
1969 14.00 1.50 89.50 474.50 790.00 939.50 1182.50 1055.50 798.50 502.72 a 91.00 0.00 5939.22
1970 10.50 9.00 76.00 482.50 856.50 951.00 1130.00 1086.00 374.50 s 478.29 c 115.50 79.50 5274.79
1971 0.00 36.00 79.05 a 414.00 686.17 e 1100.50 1018.50 1020.50 897.50 688.95 b 225.50 65.00 h 6166.67
1972 19.00 38.50 154.50 423.00 821.50 910.00 1086.50 1067.00 879.00 397.00 79.00 22.00 5897.00
1973 30.50 40.00 338.00 394.00 524.00 g 1003.00 1149.00 1104.00 922.50 679.50 219.11 b 23.00 f 5879.61
1974 65.62 a 47.50 289.50 506.50 730.00 863.50 1165.50 1019.50 628.45 a 473.00 155.50 3.50 5948.06
1975 27.50 7.26 a 115.50 366.00 817.00 1010.50 1049.00 1097.00 708.50 570.92 a 307.76 a 69.50 6146.43
1976 0.00 b 180.00 277.00 476.00 616.00 936.00 1118.00 979.00 764.50 322.50 58.50 8.50 5736.00
1977 0.00 a 33.50 274.87 a 579.00 934.00 924.00 1192.50 1049.00 887.50 415.00 237.00 16.00 6542.37
1978 0.50 0.00 81.00 446.00 662.00 991.50 1106.50 1029.50 933.00 447.00 234.50 14.00 5945.50
1979 0.00 0.50 197.50 350.00 689.23 a 982.00 1048.00 1042.00 836.00 503.75 a 140.50 66.50 5855.98
1980 14.50 9.00 80.50 354.50 757.50 950.50 1246.00 1182.50 878.79 a 415.50 133.97 a 71.50 6094.76
1981 11.50 88.50 150.00 569.50 585.00 1029.50 1110.00 1007.50 761.00 478.50 221.00 12.52 e 6024.52
1982 0.00 8.50 174.00 321.00 892.50 811.00 1112.00 984.50 781.00 523.00 248.00 169.00 6024.50
1983 1.50 70.50 178.50 283.50 620.00 971.50 1206.50 1223.00 871.00 553.50 233.00 4.50 6217.00
1984 0.00 94.00 37.00 341.00 661.00 1089.00 1066.00 1106.00 762.00 653.50 144.50 133.00 6087.00
1985 0.00 43.50 222.00 572.50 802.50 905.50 1094.00 979.00 839.00 598.00 214.50 0.00 6270.50
1986 42.00 57.00 269.50 541.00 807.00 1038.00 1188.50 951.50 932.50 516.00 101.50 12.50 6457.00
1987 12.50 28.50 241.00 451.50 928.50 1063.00 1137.00 1122.50 867.50 336.00 263.50 32.00 6483.50
1988 31.50 14.00 182.00 420.50 806.50 1024.00 1191.50 1200.50 913.00 326.00 179.50 42.00 6331.00
1989 63.50 9.50 227.00 399.00 617.00 950.50 1094.00 1035.50 727.50 582.00 176.50 3.00 5885.00
1990 73.00 68.00 272.50 381.00 638.50 971.50 1066.00 987.50 857.00 443.00 281.50 45.00 6084.50
1991 0.00 61.00 210.00 536.50 919.50 1044.00 1132.50 1096.00 849.50 574.00 176.50 72.50 6672.00
1992 6.50 80.50 222.50 439.50 716.00 907.50 1085.00 926.50 779.00 477.50 180.00 26.00 5846.50
1993 13.50 19.50 96.00 344.50 769.50 988.50 1190.50 1124.00 703.00 424.50 135.00 22.00 5830.50
1994 2.58 a 52.00 151.38 a 462.00 638.50 1064.50 1081.50 988.00 802.50 541.00 273.00 68.00 6124.97
1995 56.00 44.00 261.00 433.50 690.00 997.00 1180.50 1237.50 763.00 562.50 79.50 36.00 6340.50
1996 20.00 115.00 82.00 338.50 765.50 1001.50 1065.50 1077.50 759.00 520.00 64.00 47.00 5855.50
1997 63.50 48.00 197.00 304.50 581.50 943.50 1125.50 1001.00 842.00 513.00 92.00 7.00 5718.50
1998 80.00 90.00 210.50 444.50 875.00 994.00 1113.50 1122.50 992.50 555.50 225.50 107.50 6811.00
1999 41.33 a 67.50 85.50 476.50 783.00 989.00 1241.50 1017.50 811.50 504.00 311.50 55.28 a 6384.12
2000 37.00 134.00 238.00 433.00 803.50 955.50 1040.00 1095.33 a 800.50 589.50 133.50 0.00 6259.83
2001 2.07 a 29.50 61.50 624.00 804.50 925.00 1135.00 1091.00 783.00 485.50 310.00 87.00 6338.07
2002 49.00 26.50 128.50 496.00 664.00 1062.00 1230.00 1135.50 944.00 432.50 108.00 39.00 6315.00
2003 13.50 10.00 256.00 504.00 705.00 884.00 1117.50 1096.00 760.50 507.50 275.50 30.00 6159.50
2004 33.00 30.50 240.50 485.50 884.50 952.50 1042.00 947.00 861.00 522.00 234.00 70.50 6303.00
2005 51.50 44.50 108.00 488.50 696.00 1048.00 1161.00 1157.00 963.00 510.50 252.50 11.00 6491.50
2006 99.50 37.50 178.50 572.00 717.50 966.00 1180.00 1098.50 747.50 400.00 194.50 86.50 6278.00
2007 18.00 0.50 424.50 405.00 909.50 1029.50 1036.50 1245.00 929.00 684.50 159.00 0.00 z 6841.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 35.00 35.00
2009 0.50 82.00 152.00 r 443.50 756.50 1044.44 c 1004.29 b 1020.50 816.00 360.00 271.50 13.00 5812.24
2010 6.50 0.00 206.50 639.00 836.50 1105.50 1207.50 1205.50 908.00 593.00 197.50 19.50 6925.00
2011 1.50 88.15 a 192.72 a 567.00 e 754.69 b 1061.38 a 1288.88 e 1155.00 792.00 535.78 a 270.00 a 57.35 a 6764.45
2012 36.00 65.50 619.43 d 531.00 983.98 b 1022.07 a 1377.00 1112.38 a 803.79 a 323.50 j 0.00 z 0.00 z 6551.15
Period of Record Statistics
MEAN 27.92 40.84 179.66 426.45 745.40 984.52 1140.19 1080.23 844.30 521.54 183.96 43.72 6202.88
S.D. 27.20 34.79 101.72 93.33 107.98 84.78 77.95 79.56 86.94 101.17 75.00 35.03 329.43
SKEW 1.34 1.30 1.10 -0.04 0.05 -0.03 0.64 0.12 -0.06 -0.05 0.55 0.93 0.00
MAX 153.28 180.00 619.43 639.00 983.98 1222.50 1384.50 1309.00 1060.50 807.00 419.00 169.00 6925.00
MIN 0.00 0.00 13.43 161.50 515.08 797.00 998.00 853.00 592.50 263.00 58.50 0.00 5317.58
NO YRS 114 116 113 115 114 112 109 111 108 111 113 112 94