TAHLEQUAH, OKLAHOMA

Monthly Total Growing Degree Days

(348677)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200810
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
1900 180.50 82.00 329.50 658.50 841.50 1093.50 1167.00 1256.50 1123.00 797.50 361.00 112.50 8003.00
1901 156.00 59.00 273.50 520.00 860.50 1134.50 1405.50 1261.00 1010.00 769.50 336.67 c 98.50 7884.67
1902 55.00 54.00 367.00 636.00 991.50 1126.00 1209.00 1281.50 820.00 681.00 493.00 72.00 7786.00
1903 89.00 100.50 424.00 664.50 871.74 b 224.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 112.24 b 2261.98
1904 106.50 o 0.00 z 474.54 e 536.00 738.00 0.00 z 1302.50 1432.00 0.00 z 0.00 z 0.00 z 0.00 z 4483.04
1905 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 0.00 z 0.00
1906 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 0.00 z 0.00
1907 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 0.00 z 0.00
1908 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 0.00 z 0.00
1909 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 0.00 z 0.00
1910 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 0.00 z 0.00
1911 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 0.00 z 0.00
1912 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 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 265.00 v 1075.50 1311.00 1350.50 932.50 562.00 475.34 a 101.50 5808.34
1914 209.00 109.50 301.73 a 602.07 a 832.00 1192.00 1329.90 a 1221.40 a 1042.00 653.07 a 407.50 64.50 7964.67
1915 100.50 184.59 a 91.00 709.50 849.92 a 1016.50 1039.00 994.07 a 1009.66 a 585.12 c 392.22 c 182.00 7154.08
1916 172.00 96.00 g 433.48 a 433.50 f 514.00 o 1061.00 1334.03 a 1318.50 991.73 d 711.34 c 0.00 z 0.00 z 6022.09
1917 0.00 z 0.00 z 0.00 z 547.00 697.00 1003.50 1221.00 797.50 j 465.00 m 489.91 c 270.58 d 124.00 4352.99
1918 10.85 a 157.50 516.00 533.50 932.87 d 1193.00 1205.00 1354.18 a 764.00 784.09 b 301.00 234.50 7986.49
1919 104.50 105.50 390.00 627.00 793.50 999.11 b 1225.69 e 1143.50 924.31 a 660.00 248.33 c 85.77 a 7307.21
1920 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 0.00 z 0.00
1921 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 0.00 z 0.00
1922 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 0.00 z 0.00
1923 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 0.00 z 0.00
1924 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 0.00 z 0.00
1925 53.50 241.50 489.00 802.00 446.00 m 1252.24 a 1299.00 1228.63 a 1128.50 539.83 b 256.50 100.00 7390.70
1926 102.30 a 238.50 245.00 509.50 870.00 1031.00 1164.00 1249.00 1040.00 411.50 n 263.50 24.50 y 6712.80
1927 129.00 312.31 b 378.20 a 715.34 a 931.50 1020.52 a 1180.50 1139.50 1015.00 731.00 458.57 b 87.32 a 8098.76
1928 181.00 181.77 a 313.10 a 476.79 b 899.00 b 988.50 1209.00 1254.00 890.50 816.50 305.17 a 103.00 7618.33
1929 36.50 15.08 b 421.00 670.50 662.50 g 1048.50 1247.50 1297.00 978.00 661.50 145.00 232.00 6752.58
1930 34.00 0.00 z 307.50 747.00 816.50 1023.21 b 1323.00 1320.00 1089.00 615.50 246.21 a 51.48 c 7573.40
1931 84.39 d 190.50 212.00 469.00 704.00 1089.50 1285.00 1125.00 1170.00 a 822.50 493.00 181.57 c 7826.46
1932 120.50 294.00 331.00 690.00 387.00 q 1082.00 1248.27 a 1297.50 979.50 569.00 232.50 130.50 6974.77
1933 208.50 108.00 359.00 581.50 706.50 f 1099.00 1313.50 1167.50 1057.50 637.50 368.00 285.00 7185.00
1934 101.02 b 129.00 271.00 633.00 872.00 1039.50 f 881.50 n 1557.23 a 574.50 o 771.50 414.00 67.96 e 4816.71
1935 0.00 z 217.58 d 0.00 z 0.00 z 502.00 l 981.50 1308.20 a 1347.00 909.50 670.50 213.00 61.50 5708.78
1936 45.00 124.50 512.50 613.00 956.50 1239.00 1491.00 1516.00 1155.00 592.50 211.00 168.00 8624.00
1937 39.00 102.50 0.00 z 590.00 903.50 1124.50 1271.50 1353.67 a 732.00 h 635.00 273.00 105.00 6397.67
1938 117.50 252.54 b 595.50 621.00 851.50 1053.00 e 1286.50 1352.50 1042.00 843.00 335.00 115.00 8465.04
1939 165.50 96.00 458.50 552.00 901.50 1097.50 1309.50 1257.50 1221.00 792.50 227.00 203.00 8281.50
1940 0.50 90.00 375.50 572.50 813.23 a 1041.72 a 1205.50 1178.00 907.00 730.00 268.45 a 148.50 7330.91
1941 135.50 69.50 221.50 700.00 955.00 0.00 z 0.00 z 1255.00 1020.00 a 805.50 279.00 168.50 5609.50
1942 102.50 109.50 328.50 680.00 803.00 1064.00 1177.50 1165.50 0.00 z 620.50 408.50 117.80 a 6577.30
1943 122.50 189.00 261.00 704.50 867.00 1136.00 1332.50 1396.50 926.00 578.00 266.50 70.50 7850.00
1944 143.00 215.50 316.00 574.00 891.00 1110.50 1221.50 1243.00 929.50 693.37 a 372.50 25.00 7734.87
1945 69.00 129.50 524.00 615.50 797.50 1005.00 1138.00 1151.00 977.50 627.00 384.50 57.50 7476.00
1946 75.50 192.00 549.00 734.50 758.50 1014.00 1264.00 1267.50 991.50 752.50 328.50 299.00 8226.50
1947 160.00 67.41 a 180.50 633.50 802.00 1071.50 1163.00 1390.00 1082.00 845.00 191.00 120.50 7706.41
1948 50.12 a 143.50 f 337.50 789.50 838.00 1080.00 1181.10 a 1110.50 915.00 568.33 a 237.50 114.50 k 7107.55
1949 0.00 z 121.00 i 327.00 574.00 898.00 1108.00 1225.00 1121.00 822.00 532.00 i 271.50 115.00 6461.50
1950 176.50 162.00 214.00 554.48 a 876.00 1049.50 1103.00 1060.00 900.00 764.67 d 241.00 76.00 7177.15
1951 121.50 284.15 a 329.00 531.72 a 834.86 b 1016.00 1217.55 b 1279.50 919.50 668.00 192.00 205.63 a 7599.42
1952 238.70 a 211.00 295.53 a 510.00 816.50 1217.50 1290.50 1290.50 978.00 507.00 215.50 f 75.00 7430.23
1953 147.50 162.00 465.50 479.00 891.00 1299.00 1235.50 1212.00 1010.17 a 724.50 265.96 d 122.50 8014.63
1954 103.16 b 250.00 322.50 790.00 736.50 1149.00 1512.50 1431.50 1133.50 762.00 301.00 124.50 8616.16
1955 121.50 114.50 370.50 0.00 z 939.50 986.50 1340.50 1207.00 1033.00 627.50 293.00 93.55 c 7127.05
1956 91.00 k 0.00 z 0.00 z 0.00 z 0.00 z 1163.79 a 1294.00 1335.00 1061.00 620.00 i 244.00 187.50 5285.29
1957 78.50 250.00 253.50 584.00 873.50 1057.50 1319.00 1230.50 890.00 562.00 255.50 232.50 7586.50
1958 53.50 110.50 130.00 586.00 900.00 1078.00 1206.42 a 1190.00 1008.50 632.00 383.79 a 89.50 7368.21
1959 104.00 150.50 338.00 598.50 951.00 1042.50 1161.98 a 1219.00 0.00 z 580.14 c 227.31 d 179.05 b 6551.99
1960 132.00 95.80 a 159.98 c 681.43 b 774.40 e 632.50 l 893.00 h 1198.00 1021.67 c 388.50 p 357.00 68.50 4488.79
1961 44.00 207.00 436.07 a 543.62 a 818.00 1005.50 1192.50 1144.50 937.50 699.00 268.00 87.83 a 7383.52
1962 61.00 254.00 270.50 560.00 1054.53 b 1049.00 1257.05 a 1248.50 933.50 780.50 311.50 131.00 7911.08
1963 47.50 78.50 472.00 770.50 933.50 1173.21 b 1338.34 b 1319.50 1036.00 911.00 337.50 35.00 8452.56
1964 150.00 78.50 311.50 757.50 927.50 1116.50 1347.00 1274.50 991.00 612.00 476.50 133.00 8175.50
1965 154.50 169.00 161.00 757.50 959.00 1056.00 1248.00 1194.50 996.50 617.00 450.50 237.00 8000.50
1966 65.50 107.50 395.00 579.50 804.00 1005.50 1309.50 1107.50 882.00 624.00 473.50 169.50 7523.00
1967 169.50 125.50 584.00 766.00 801.00 1085.50 1101.50 1140.50 838.50 625.00 242.50 80.00 7559.50
1968 134.00 38.50 319.00 529.50 708.00 1004.00 1116.50 1127.00 799.00 538.00 144.00 51.27 e 6508.77
1969 117.00 m 103.00 176.00 659.50 900.00 1031.00 1359.00 1264.00 1040.00 644.50 281.00 74.00 7532.00
1970 78.00 144.00 227.50 665.00 907.50 1068.50 1217.00 1250.13 e 1043.50 594.34 b 246.00 182.50 7623.98
1971 51.00 114.00 274.00 573.00 756.50 1066.50 1126.00 1109.50 1036.00 805.50 321.50 204.00 7437.50
1972 138.50 190.50 409.00 681.50 824.50 1076.50 1142.50 1238.00 1086.50 660.00 165.00 78.00 7690.50
1973 112.50 97.50 483.00 530.50 760.07 d 1018.50 1248.50 1162.00 983.00 813.00 489.00 123.00 7820.57
1974 156.00 263.50 552.50 689.50 1016.00 1022.50 1341.00 1222.95 a 733.00 734.00 346.03 a 61.48 a 8138.47
1975 133.00 77.00 251.00 634.50 891.50 1004.50 1193.50 1234.50 826.03 a 492.00 k 250.50 i 114.00 6359.53
1976 71.19 d 123.00 m 0.00 z 0.00 z 0.00 z 1092.86 b 0.00 z 1245.00 969.50 0.00 z 0.00 z 21.00 t 3378.54
1977 3.00 h 193.31 b 463.50 676.11 c 874.50 g 0.00 z 0.00 z 0.00 z 1113.00 e 750.64 c 359.00 f 153.00 3349.56
1978 17.10 b 17.11 a 154.50 p 762.86 b 881.50 1107.93 a 0.00 z 904.50 j 1221.00 0.00 z 391.80 e 91.93 b 4491.23
1979 0.00 z 44.50 397.00 464.50 h 819.00 1051.61 b 1275.43 c 0.00 z 0.00 z 869.55 a 285.00 e 207.50 4949.59
1980 116.50 f 132.24 d 0.00 z 541.50 865.50 1145.00 1407.50 1420.50 1114.14 a 605.00 322.00 194.78 a 7748.16
1981 65.00 233.50 380.55 b 780.00 754.00 1114.00 1288.00 1150.00 940.50 643.00 343.50 70.00 7762.05
1982 68.00 139.50 446.50 503.00 902.00 949.50 1247.00 1328.50 980.50 628.50 330.50 210.00 7733.50
1983 51.50 148.50 305.50 417.50 774.50 956.50 1228.00 1365.50 1009.00 722.00 358.50 22.00 7359.00
1984 63.00 191.00 260.50 537.00 819.00 1108.00 1260.50 1215.00 891.00 693.00 291.00 276.50 7605.50
1985 0.00 116.50 490.50 671.50 876.50 1019.00 1251.50 1240.50 994.50 698.50 331.00 41.50 7731.50
1986 151.50 259.50 455.50 670.00 889.50 1133.50 1384.50 1165.00 1030.50 664.50 247.00 58.50 8109.50
1987 74.00 209.50 388.50 641.00 1026.00 1075.00 1209.00 1271.50 898.50 535.00 323.00 108.00 7759.00
1988 94.00 124.50 337.00 561.50 866.00 1108.50 1220.50 1269.00 1016.00 579.50 360.00 161.00 7697.50
1989 164.00 41.50 409.00 679.00 871.00 995.00 1165.50 1189.50 862.00 732.50 427.50 51.50 7588.00
1990 197.50 203.00 407.50 596.00 813.50 1165.50 1247.50 1264.00 1092.00 608.00 454.00 148.00 8196.50
1991 25.50 213.50 440.50 669.00 1011.50 1147.50 1341.50 1237.00 909.50 725.50 266.00 203.00 8190.00
1992 114.00 270.00 440.50 655.50 816.50 989.00 1213.50 1041.00 910.50 671.00 247.50 100.00 7469.00
1993 53.00 89.50 273.00 488.00 803.50 1044.50 1311.50 1307.50 895.00 552.50 189.50 152.00 7159.50
1994 86.00 132.50 375.00 644.00 782.50 1170.00 1153.50 1130.50 903.00 419.00 l 373.50 147.50 6898.00
1995 108.50 205.33 a 412.50 575.50 794.00 990.50 1227.50 1305.00 878.50 660.50 266.00 149.50 7573.33
1996 77.50 283.50 249.00 596.50 994.50 1069.50 1184.50 1161.50 867.00 671.50 197.50 191.00 7543.50
1997 144.50 145.00 423.00 467.00 783.50 1010.50 1247.00 1125.00 972.50 642.00 214.50 51.50 7226.00
1998 133.00 138.00 326.00 541.00 977.50 1119.50 1346.50 1308.50 1176.50 712.50 418.50 153.50 8351.00
1999 168.50 253.75 d 290.00 634.50 825.00 1016.00 1234.50 1312.00 888.00 711.50 518.00 170.00 8021.75
2000 176.00 294.50 420.50 568.50 913.50 969.50 1187.50 1367.50 1060.00 754.00 143.00 13.43 a 7867.93
2001 26.00 169.00 224.00 742.50 873.50 1031.00 0.00 z 1275.50 882.00 594.50 466.50 177.50 6462.00
2002 137.50 122.00 298.50 689.00 823.50 0.00 z 1221.00 1222.00 1027.50 551.50 239.50 161.50 6493.50
2003 61.00 110.00 0.00 z 624.00 0.00 z 971.50 0.00 z 0.00 z 0.00 z 735.50 391.50 0.00 z 2893.50
2004 160.50 98.50 473.50 597.00 939.00 1021.50 1142.50 1084.00 981.50 786.00 391.00 139.50 7814.50
2005 169.00 0.00 z 355.50 0.00 z 816.00 1101.50 1208.00 1254.50 1097.00 704.50 410.50 94.50 7211.00
2006 264.50 147.00 464.50 812.00 944.50 0.00 z 0.00 z 0.00 z 932.00 0.00 z 373.00 190.50 4128.00
2007 58.50 170.50 623.50 531.00 937.50 1050.00 0.00 z 0.00 z 1029.00 778.00 374.00 0.00 z 5552.00
2008 120.00 138.00 425.50 0.00 z 0.00 z 0.00 z 0.00 z 1176.00 0.00 z 637.00 0.00 z 0.00 z 2496.50
Period of Record Statistics
MEAN 107.28 154.56 360.59 622.61 861.75 1071.51 1250.20 1244.04 982.82 679.00 318.10 128.48 7770.19
S.D. 55.82 70.92 110.15 89.62 76.98 69.62 83.50 100.31 99.65 91.30 91.07 62.77 397.41
SKEW 0.27 0.28 0.00 0.17 0.17 0.77 0.44 0.35 0.07 0.22 0.24 0.50 -0.18
MAX 264.50 312.31 623.50 812.00 1054.53 1299.00 1512.50 1557.23 1221.00 911.00 518.00 299.00 8624.00
MIN 0.00 15.08 91.00 417.50 697.00 949.50 1039.00 994.07 733.00 489.91 143.00 13.43 6508.77
NO YRS 86 86 87 87 84 87 84 88 86 85 88 88 58