TAHLEQUAH, OKLAHOMA

Monthly Total Growing Degree Days

(348677)

Base Temperature = 50 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 33.50 18.50 107.00 374.50 531.50 793.50 857.00 946.50 823.00 487.50 121.50 3.00 5097.00
1901 32.50 7.50 63.00 251.50 550.50 834.50 1095.50 951.00 710.00 459.50 95.56 c 11.50 5062.56
1902 0.00 6.00 141.50 340.50 681.50 826.00 899.00 971.50 520.00 371.00 248.50 8.00 5013.50
1903 16.50 12.50 160.00 365.00 561.74 b 164.50 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.95 b 1122.69
1904 28.00 o 0.00 z 212.83 e 241.00 428.00 0.00 z 992.50 1122.00 0.00 z 0.00 z 0.00 z 0.00 z 2996.33
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 175.00 v 775.50 1001.00 1040.50 632.50 303.50 204.31 a 14.00 3971.31
1914 62.00 20.00 118.83 a 331.55 a 522.00 892.00 1019.90 a 911.40 a 742.00 349.27 a 160.50 12.00 5141.45
1915 8.00 31.63 a 4.00 432.00 539.92 a 716.50 729.00 684.07 a 709.66 a 278.45 c 168.33 c 30.50 4332.05
1916 56.50 13.50 g 203.57 a 212.50 f 354.00 o 761.00 1024.03 a 1008.50 691.73 d 420.71 c 0.00 z 0.00 z 4166.04
1917 0.00 z 0.00 z 0.00 z 252.00 387.00 703.50 911.00 587.50 j 295.00 m 235.82 c 53.65 d 32.00 2574.98
1918 0.00 a 48.50 244.50 247.50 622.87 d 893.00 895.00 1044.18 a 464.00 477.83 b 110.00 53.50 5100.88
1919 15.00 9.50 155.50 336.50 483.50 699.11 b 915.69 e 833.50 624.31 a 355.00 44.44 c 4.65 a 4476.70
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 2.00 71.50 229.50 503.00 266.00 m 952.24 a 989.00 918.63 a 828.50 299.84 b 47.50 11.00 4852.72
1926 11.37 a 73.00 89.50 220.50 560.00 731.00 854.00 939.00 740.00 249.00 n 86.00 0.00 y 4304.37
1927 22.50 129.23 b 143.63 a 419.48 a 621.50 720.52 a 870.50 829.50 715.00 421.00 222.32 b 17.57 a 5132.75
1928 41.50 43.50 a 144.15 a 221.25 b 589.00 b 688.50 899.00 944.00 590.50 510.00 101.38 a 13.00 4785.78
1929 0.00 0.00 b 172.50 372.00 422.50 g 748.50 937.50 987.00 678.00 369.00 29.00 90.50 4384.00
1930 7.50 0.00 z 112.00 447.00 506.50 723.21 b 1013.00 1010.00 789.00 323.00 32.59 a 0.00 c 4963.80
1931 8.61 d 24.00 44.50 205.00 394.50 789.50 975.00 815.00 870.00 a 525.00 247.50 26.02 c 4924.63
1932 29.00 94.00 134.50 390.00 247.00 q 782.00 938.27 a 987.50 679.50 274.50 56.50 33.50 4399.27
1933 35.50 25.50 127.50 295.00 456.50 f 799.00 1003.50 857.50 757.50 329.00 115.50 67.50 4413.00
1934 7.48 b 21.50 81.50 333.00 562.00 799.50 f 711.50 n 1247.23 a 424.50 o 463.50 160.50 0.00 e 2876.72
1935 0.00 z 39.08 d 0.00 z 0.00 z 312.00 l 681.50 998.20 a 1037.00 609.50 364.50 57.50 5.50 3792.78
1936 6.00 57.50 215.00 349.50 646.50 939.00 1181.00 1206.00 855.00 307.00 48.50 39.00 5850.00
1937 0.50 14.00 0.00 z 314.50 593.50 824.50 961.50 1043.67 a 512.00 h 347.50 105.50 21.00 4226.17
1938 19.50 88.85 b 304.50 355.50 541.50 753.00 e 976.50 1042.50 742.00 546.00 140.00 18.00 5527.85
1939 42.00 11.00 214.50 289.50 591.50 797.50 999.50 947.50 921.00 494.50 53.50 40.00 5402.00
1940 0.00 7.50 138.00 302.50 503.23 a 741.72 a 895.50 868.00 607.00 420.00 72.93 a 12.50 4568.89
1941 16.50 10.50 57.00 402.00 645.00 0.00 z 0.00 z 945.00 720.00 a 506.00 92.00 23.50 3417.50
1942 7.00 28.00 109.00 386.00 493.00 764.00 867.50 855.50 0.00 z 323.00 182.50 24.28 a 4039.78
1943 31.00 53.50 90.50 411.50 557.00 836.00 1022.50 1086.50 626.00 287.00 77.00 7.00 5085.50
1944 41.50 54.50 97.00 291.00 585.00 810.50 911.50 933.00 629.50 383.88 a 183.50 0.00 4920.88
1945 10.50 32.50 255.00 326.00 487.50 705.00 828.00 841.00 677.50 317.50 157.50 5.00 4643.00
1946 10.00 37.50 253.50 434.50 448.50 714.00 954.00 957.50 691.50 444.00 91.00 105.00 5141.00
1947 44.00 3.63 a 36.00 336.00 492.00 771.50 853.00 1080.00 782.00 535.00 34.50 23.00 4990.63
1948 4.65 a 45.50 f 160.00 489.50 528.00 780.00 871.10 a 800.50 615.00 265.57 a 60.50 39.00 k 4574.82
1949 0.00 z 19.50 i 115.50 293.50 588.00 808.00 915.00 811.00 522.00 312.00 i 78.50 24.50 4156.00
1950 62.50 28.00 66.00 281.90 a 566.00 749.50 793.00 750.00 600.00 454.67 d 89.00 21.50 4462.06
1951 24.00 132.74 a 126.50 271.03 a 524.86 b 716.00 907.55 b 969.50 619.50 360.50 61.00 89.38 a 4802.57
1952 94.55 a 50.50 86.28 a 234.50 506.50 917.50 980.50 980.50 678.00 232.50 93.50 f 15.00 4776.33
1953 40.50 16.50 185.50 211.00 581.00 999.00 925.50 902.00 710.17 a 415.00 77.88 d 17.50 5081.56
1954 18.71 b 57.50 126.50 500.00 434.50 849.00 1202.50 1121.50 833.50 468.50 88.50 21.00 5721.71
1955 36.50 32.00 164.00 0.00 z 629.50 686.50 1030.50 897.00 733.00 330.50 140.50 27.12 c 4707.12
1956 11.00 k 0.00 z 0.00 z 0.00 z 0.00 z 863.79 a 984.00 1025.00 761.00 400.00 i 75.00 47.50 3756.29
1957 22.00 51.50 56.00 321.50 563.50 757.50 1009.00 920.50 590.00 289.50 65.00 58.00 4704.00
1958 0.00 30.50 16.50 288.50 590.00 778.00 896.42 a 880.00 708.50 333.50 153.62 a 5.50 4681.04
1959 25.00 29.00 119.00 321.50 641.00 742.50 851.98 a 909.00 0.00 z 275.68 c 82.50 d 24.05 b 4021.21
1960 46.50 17.61 a 64.77 c 384.11 b 464.40 e 452.50 l 663.00 h 888.00 721.67 c 247.50 p 131.50 15.00 2733.55
1961 0.00 73.50 178.77 a 266.38 a 508.00 705.50 882.50 834.50 637.50 391.50 85.50 18.08 a 4581.73
1962 3.00 75.50 81.50 284.00 744.53 b 749.00 947.05 a 938.50 633.50 479.00 68.50 30.00 5034.08
1963 0.00 3.50 211.00 470.50 625.00 873.21 b 1028.34 b 1009.50 736.00 601.00 123.50 2.00 5683.56
1964 40.50 3.50 93.00 465.50 617.50 816.50 1037.00 964.50 691.00 302.50 244.50 18.50 5294.50
1965 40.50 36.00 26.50 458.00 649.00 756.00 938.00 884.50 696.50 310.00 191.00 87.00 5073.00
1966 10.00 28.50 160.00 295.50 494.00 705.50 999.50 797.50 582.00 318.50 231.50 56.50 4679.00
1967 56.00 23.00 332.00 466.00 491.00 785.50 791.50 830.50 541.00 325.00 62.50 7.00 4711.00
1968 33.50 0.00 129.00 241.00 399.50 704.00 806.50 817.00 499.00 255.50 30.00 1.19 e 3916.19
1969 27.50 m 15.50 44.50 359.50 590.00 731.00 1049.00 954.00 740.00 353.00 79.50 1.00 4917.00
1970 16.50 14.00 68.50 373.00 597.50 768.50 907.00 940.13 e 743.50 296.64 b 69.50 61.50 4856.27
1971 3.00 31.00 89.00 296.00 446.50 766.50 816.00 799.50 736.00 495.50 129.50 56.00 4664.50
1972 34.50 54.50 160.50 396.50 514.50 776.50 832.50 928.00 786.50 363.00 32.00 7.00 4886.00
1973 21.50 4.00 194.00 268.00 450.07 d 718.50 938.50 852.00 683.00 505.00 214.50 39.00 4888.07
1974 29.00 77.00 307.00 395.50 706.00 722.50 1031.00 912.95 a 434.00 424.00 105.00 a 7.75 a 5151.70
1975 16.50 7.50 97.50 352.00 581.50 704.50 883.50 924.50 526.03 a 296.00 k 130.50 i 27.00 4120.53
1976 0.00 d 37.00 m 0.00 z 0.00 z 0.00 z 792.86 b 0.00 z 935.00 669.50 0.00 z 0.00 z 0.00 t 2397.36
1977 0.00 h 40.38 b 184.50 382.22 c 634.50 g 0.00 z 0.00 z 0.00 z 813.00 e 442.30 c 158.50 f 28.50 1890.91
1978 1.60 b 2.59 a 69.00 p 462.86 b 572.50 807.93 a 0.00 z 694.50 j 921.00 0.00 z 165.60 e 12.83 b 2946.91
1979 0.00 z 7.50 114.50 254.00 h 509.00 751.61 b 965.43 c 0.00 z 0.00 z 559.55 a 96.00 e 42.50 3046.09
1980 11.50 f 38.28 d 0.00 z 260.50 555.50 845.00 1097.50 1110.50 814.14 a 316.50 156.00 67.68 a 5261.60
1981 12.50 96.50 135.76 b 480.00 444.00 814.00 978.00 840.00 640.50 354.00 93.50 12.00 4900.76
1982 6.50 52.50 198.50 229.00 592.00 649.50 937.00 1018.50 680.50 328.50 155.00 77.00 4924.50
1983 1.50 31.50 112.00 185.00 464.50 656.50 918.00 1055.50 710.00 414.00 154.50 0.00 4703.00
1984 0.50 34.50 64.00 243.50 509.00 808.00 950.50 905.00 595.50 383.50 106.50 83.50 4684.00
1985 0.00 27.00 204.50 379.00 566.50 719.00 941.50 930.50 694.50 390.50 107.50 0.00 4960.50
1986 43.00 114.50 191.00 372.50 579.50 833.50 1074.50 855.00 730.50 358.50 63.00 0.00 5215.50
1987 8.50 51.50 155.00 364.50 716.00 775.00 899.00 961.50 598.50 240.00 128.50 14.00 4912.00
1988 28.00 15.50 142.00 264.00 556.00 808.50 910.50 959.00 716.00 270.00 142.50 26.00 4838.00
1989 33.00 4.00 190.00 398.50 561.00 695.00 855.50 879.50 562.00 450.50 209.50 6.00 4844.50
1990 48.00 45.50 180.00 314.00 503.50 865.50 937.50 954.00 792.00 309.00 204.00 26.00 5179.00
1991 0.00 46.50 196.50 369.00 701.50 847.50 1031.50 927.00 609.50 433.00 104.00 55.00 5321.00
1992 3.00 79.00 193.00 375.00 506.50 689.00 903.50 731.00 610.50 361.00 70.50 23.00 4545.00
1993 0.50 4.50 92.50 237.50 493.50 744.50 1001.50 997.50 595.00 281.00 39.00 24.00 4511.00
1994 15.50 31.00 156.00 360.50 476.50 870.00 843.50 820.50 603.00 238.50 l 128.00 21.00 4325.50
1995 23.00 64.30 a 201.00 279.00 484.00 690.50 917.50 995.00 581.00 353.00 69.50 42.50 4700.30
1996 20.50 119.50 87.00 312.50 684.50 769.50 874.50 851.50 567.00 363.00 44.00 36.50 4730.00
1997 44.00 28.50 152.00 193.50 473.50 710.50 937.00 815.00 672.50 352.00 48.50 7.00 4434.00
1998 21.00 19.50 147.00 246.50 667.50 819.50 1036.50 998.50 876.50 402.50 162.00 65.50 5462.50
1999 39.00 72.92 d 80.00 346.00 515.00 716.00 924.50 1002.00 588.00 405.00 243.50 42.00 4973.92
2000 33.50 103.50 168.00 276.50 603.50 669.50 877.50 1057.50 760.00 467.50 43.00 0.00 a 5060.00
2001 0.00 41.00 47.50 450.50 563.50 731.00 0.00 z 965.50 582.00 294.00 223.50 46.00 3944.50
2002 31.50 23.00 111.50 400.50 513.50 0.00 z 911.00 912.00 727.50 253.50 62.00 47.00 3993.00
2003 0.50 20.00 0.00 z 342.50 0.00 z 671.50 0.00 z 0.00 z 0.00 z 429.00 164.50 0.00 z 1628.00
2004 52.00 16.00 189.50 301.00 629.00 721.50 832.50 774.00 681.50 476.00 133.00 30.00 4836.00
2005 45.50 0.00 z 114.00 0.00 z 508.00 801.50 898.00 944.50 797.00 406.50 182.50 13.00 4710.50
2006 74.50 40.50 216.50 512.00 634.50 0.00 z 0.00 z 0.00 z 632.00 0.00 z 142.00 46.50 2298.50
2007 3.00 52.00 337.50 272.00 627.50 750.00 0.00 z 0.00 z 729.00 469.50 156.00 0.00 z 3396.50
2008 49.00 23.00 174.00 0.00 z 0.00 z 0.00 z 0.00 z 866.00 0.00 z 336.50 0.00 z 0.00 z 1448.50
Period of Record Statistics
MEAN 22.52 38.53 143.16 337.60 552.01 771.51 940.20 934.04 682.95 379.71 115.56 27.72 4927.67
S.D. 20.33 31.06 69.33 80.84 76.76 69.62 83.50 100.31 99.51 85.01 59.90 24.45 349.98
SKEW 0.87 1.15 0.51 0.26 0.17 0.78 0.44 0.35 0.08 0.38 0.56 1.14 0.20
MAX 94.55 132.74 337.50 512.00 744.53 999.00 1202.50 1247.23 921.00 601.00 248.50 105.00 5850.00
MIN 0.00 0.00 4.00 185.00 387.00 649.50 729.00 684.07 434.00 232.50 29.00 0.00 3916.19
NO YRS 86 86 87 87 84 87 84 88 86 85 88 88 58