TAHLEQUAH, OKLAHOMA

Monthly Total Heating Degree Days

(348677)

Base Temperature = 65 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 742.00 753.00 481.00 139.00 41.50 0.00 0.00 0.00 0.00 93.00 391.50 696.00 3337.00
1901 709.00 742.00 538.00 271.50 33.50 0.00 0.00 0.00 36.50 65.50 413.89 c 837.50 3647.39
1902 894.00 835.50 417.50 178.00 13.00 4.00 0.00 0.00 43.50 122.50 282.50 797.50 3588.00
1903 776.00 732.50 374.00 140.00 48.64 b 0.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 703.91 b 2775.05
1904 298.50 o 0.00 z 328.48 e 227.50 87.50 0.00 z 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 643.48
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 10.50 v 4.00 0.00 0.00 47.50 272.50 284.48 a 799.50 1407.98
1914 631.00 705.50 499.10 a 196.03 a 55.00 0.00 0.00 a 0.00 a 13.00 181.35 a 351.00 916.50 3548.48
1915 800.50 534.07 a 737.50 117.00 36.17 a 1.50 3.50 11.37 a 8.79 a 193.75 c 366.11 c 631.50 3441.76
1916 759.50 550.50 g 373.55 a 180.50 f 3.50 o 0.50 0.00 a 0.00 15.58 d 124.55 c 0.00 z 0.00 z 1273.68
1917 0.00 z 0.00 z 0.00 z 229.00 135.50 13.00 0.00 0.00 j 22.00 m 332.14 c 483.46 d 885.50 2078.60
1918 1156.30 a 643.00 282.50 241.00 44.20 d 0.00 0.00 0.00 a 82.00 105.83 b 478.00 618.50 3651.33
1919 780.50 671.00 400.00 170.00 73.50 20.36 b 0.00 e 0.00 19.14 a 157.00 522.22 c 808.07 a 3621.78
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 847.50 482.00 318.50 70.50 55.50 m 0.00 a 0.00 0.00 a 0.00 307.86 b 496.00 834.50 3356.86
1926 816.85 a 475.50 551.00 249.50 39.00 0.00 0.00 0.00 38.50 83.50 n 524.00 150.50 y 2694.35
1927 736.50 425.92 b 422.63 a 119.48 a 42.50 0.00 a 0.00 1.50 35.00 91.00 336.96 b 851.98 a 3063.49
1928 727.50 609.52 a 497.03 a 303.21 b 28.33 b 3.50 0.00 0.00 15.00 115.50 461.90 a 730.00 3491.49
1929 922.00 953.62 b 379.00 128.50 27.00 g 0.00 0.00 0.00 0.00 150.50 663.50 693.00 3890.12
1930 1163.50 0.00 z 482.00 60.50 36.00 8.04 b 0.00 0.00 14.00 215.00 510.00 a 821.50 c 3310.54
1931 792.80 d 517.50 594.50 290.50 142.00 3.50 0.00 0.00 4.66 a 99.00 272.50 608.38 c 3325.33
1932 709.00 437.00 561.00 98.00 17.00 q 0.00 1.03 a 0.00 17.50 212.00 537.50 831.00 3404.03
1933 596.50 732.50 431.00 188.00 39.50 f 1.00 0.00 0.00 0.00 152.00 385.00 500.00 2986.00
1934 758.43 b 667.50 533.50 147.50 24.00 0.00 f 0.00 n 0.00 a 0.00 o 70.00 341.50 781.56 e 3323.99
1935 0.00 z 515.67 d 0.00 z 0.00 z 31.00 l 7.00 0.00 a 0.00 26.00 145.00 548.00 867.00 2108.67
1936 953.00 907.50 269.50 225.00 4.00 0.00 0.00 0.00 18.50 207.50 567.00 645.00 3797.00
1937 950.00 719.50 0.00 z 206.00 38.50 0.00 0.00 0.00 a 30.50 h 201.50 564.50 796.50 3476.50
1938 760.00 518.00 b 225.50 183.50 56.50 0.00 e 0.00 0.00 22.50 89.00 480.50 717.50 3053.00
1939 651.00 683.00 332.00 237.50 24.00 0.00 0.00 0.00 11.00 128.50 532.50 645.00 3244.50
1940 1259.50 709.00 414.00 229.00 55.80 a 2.07 a 0.00 0.00 50.00 90.50 552.41 a 665.00 4027.28
1941 718.50 720.00 574.00 98.00 3.50 0.00 z 0.00 z 0.00 10.86 a 109.50 499.00 653.00 3386.36
1942 904.00 686.00 449.50 117.00 75.50 3.00 0.00 0.00 0.00 z 173.00 377.50 732.63 a 3518.13
1943 836.50 561.00 614.50 123.00 38.50 0.00 0.00 0.00 6.50 211.50 493.00 852.00 3736.50
1944 758.50 569.50 480.00 203.00 54.50 0.00 0.00 0.00 7.50 138.98 a 414.50 886.00 3512.48
1945 822.00 623.50 287.50 174.00 113.00 3.50 0.00 0.00 25.50 163.50 404.50 922.50 3539.50
1946 807.50 525.50 256.00 92.00 77.00 15.50 0.00 0.00 11.00 115.50 425.00 552.50 2877.50
1947 755.50 794.37 a 635.50 147.50 53.00 2.50 0.00 0.00 4.50 42.50 566.50 720.50 3722.37
1948 991.48 a 515.00 f 550.00 74.00 39.00 0.00 0.00 a 2.50 35.50 224.23 a 566.00 429.50 k 2482.72
1949 0.00 z 377.00 i 464.50 222.00 19.50 0.00 0.00 0.00 63.50 100.50 i 504.50 754.50 2028.50
1950 759.00 610.00 625.00 247.24 a 19.50 8.00 0.00 0.00 11.50 82.67 d 582.50 883.50 3828.91
1951 820.00 513.33 a 481.50 265.34 a 56.66 b 2.50 0.53 b 0.00 33.50 171.00 644.00 744.00 a 3732.37
1952 629.30 a 533.50 510.47 a 257.50 55.00 0.00 0.00 0.00 5.50 305.00 466.50 f 787.00 3083.27
1953 696.50 576.00 319.50 292.00 81.00 0.00 2.00 0.00 5.69 a 133.50 492.12 d 751.00 3349.31
1954 858.91 b 464.50 505.00 72.00 130.00 7.50 0.00 0.00 3.50 157.00 467.50 728.00 3393.91
1955 760.00 677.50 462.50 0.00 z 4.50 7.50 0.00 0.00 0.00 205.50 560.00 795.48 c 3472.98
1956 445.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 0.00 0.00 25.50 i 547.00 643.00 1190.00
1957 877.00 456.00 533.50 213.00 27.00 0.00 0.00 0.00 22.00 244.50 512.00 576.50 3461.50
1958 830.50 791.00 690.00 177.00 31.00 1.00 0.00 a 0.00 30.00 187.50 393.10 a 820.50 3951.60
1959 873.00 621.50 449.50 202.50 20.50 0.50 0.00 a 0.00 0.00 z 212.57 c 643.85 d 625.34 b 3649.26
1960 810.50 805.27 a 778.88 c 126.96 b 106.71 e 0.00 l 0.00 h 0.00 1.67 c 47.00 p 433.00 822.50 3885.49
1961 912.00 526.00 351.85 a 266.38 a 64.50 0.00 0.00 0.00 39.00 143.50 488.50 795.67 a 3587.40
1962 968.50 504.50 553.00 233.00 2.67 b 0.00 0.00 a 0.00 16.50 105.00 438.50 749.00 3570.67
1963 1044.50 708.00 335.00 67.50 52.00 0.00 b 0.00 b 0.00 6.00 24.00 420.00 1004.00 3661.00
1964 737.00 718.00 483.00 92.50 29.00 9.00 0.00 0.00 7.50 169.50 326.50 737.00 3309.00
1965 723.00 634.50 729.00 78.00 1.00 0.00 0.00 0.00 21.50 197.00 315.00 576.00 3275.00
1966 944.50 695.00 410.50 191.00 60.50 0.00 0.00 0.00 14.00 195.50 321.00 746.00 3578.00
1967 724.00 665.00 281.00 75.50 70.00 0.00 0.00 0.00 41.50 203.50 522.50 836.00 3419.00
1968 884.00 853.00 515.50 232.50 116.50 3.00 0.00 2.50 37.50 271.00 683.50 904.96 e 4503.96
1969 374.50 m 642.00 644.50 120.50 24.50 6.00 0.00 0.00 2.50 215.50 496.50 762.00 2914.00
1970 1022.00 618.00 589.00 141.50 29.00 13.50 0.00 0.00 e 8.00 211.66 b 542.50 659.00 3834.16
1971 883.50 730.50 541.00 203.50 84.00 0.00 2.00 0.00 34.50 51.50 460.00 584.00 3574.50
1972 821.50 609.50 376.50 149.00 55.50 1.50 4.00 0.00 15.00 177.50 639.50 918.00 3767.50
1973 878.50 695.00 292.50 260.00 87.26 d 0.00 0.00 0.00 13.50 82.00 269.50 759.50 3337.76
1974 825.50 472.50 290.50 131.00 8.50 3.50 0.00 0.00 a 84.50 86.50 423.10 a 793.08 a 3118.69
1975 724.50 735.50 605.00 181.50 10.00 5.00 0.00 0.00 71.90 a 73.50 k 337.50 i 780.50 3113.90
1976 857.09 d 314.00 m 0.00 z 0.00 z 0.00 z 0.00 b 0.00 z 0.00 7.50 0.00 z 0.00 z 289.50 t 864.59
1977 868.00 h 539.00 b 313.00 142.78 c 0.00 g 0.00 z 0.00 z 0.00 z 0.00 e 87.46 c 249.50 f 724.50 1806.74
1978 1195.64 b 952.00 a 231.50 p 80.89 b 74.00 0.00 a 0.00 z 0.00 j 0.00 0.00 z 373.80 e 797.45 b 3473.78
1979 0.00 z 995.50 382.50 118.50 h 75.00 0.00 b 0.00 c 0.00 z 0.00 z 53.73 a 490.20 e 609.50 2606.43
1980 586.00 f 745.30 d 0.00 z 218.00 35.00 0.00 0.00 0.00 18.10 a 208.50 473.50 699.05 a 2397.45
1981 843.50 602.00 399.79 b 59.50 80.00 1.00 0.00 0.00 31.00 194.50 410.50 809.50 3431.29
1982 968.00 745.00 361.50 276.50 29.50 10.50 0.00 0.00 29.00 219.50 475.00 651.00 3765.50
1983 844.50 634.00 503.00 360.00 74.50 14.00 0.00 0.00 32.50 118.00 426.50 1196.50 4203.50
1984 993.50 585.50 529.50 237.50 54.00 0.00 0.00 0.00 81.50 132.00 480.00 550.50 3644.00
1985 1114.00 795.00 311.00 131.50 26.50 4.50 0.00 0.00 50.00 128.50 453.00 959.00 3973.00
1986 710.00 566.00 334.50 140.00 19.50 0.00 0.00 0.50 0.00 146.00 552.50 764.50 3233.50
1987 830.00 527.00 399.50 174.00 0.00 0.00 0.00 0.00 15.00 248.50 449.50 777.00 3420.50
1988 969.50 771.00 476.50 208.50 30.50 0.00 0.00 0.00 3.00 220.50 400.00 691.00 3770.50
1989 659.00 874.00 427.00 167.00 64.50 5.50 0.00 0.00 63.50 137.00 359.00 1043.50 3800.00
1990 620.00 517.00 397.00 198.00 62.50 0.00 0.00 0.00 13.50 209.00 310.50 820.50 3148.00
1991 925.50 507.50 351.00 115.00 17.00 0.00 0.00 0.00 55.50 122.00 551.50 611.00 3256.00
1992 740.00 463.50 344.50 159.50 72.50 0.50 0.00 0.50 32.00 131.50 537.00 745.50 3227.00
1993 853.00 744.50 531.50 279.50 59.50 2.50 0.00 0.00 40.00 271.00 602.00 666.50 4050.00
1994 889.50 669.50 418.00 167.00 77.00 0.00 0.00 0.00 35.00 112.00 l 378.50 667.50 3302.00
1995 791.00 553.78 a 441.00 194.50 78.50 0.00 0.00 0.00 70.50 143.00 497.00 768.00 3537.28
1996 929.00 619.00 607.50 176.00 19.50 1.50 0.50 0.00 33.50 141.00 583.50 691.50 3802.50
1997 897.00 587.50 361.00 287.50 53.50 0.00 0.00 0.00 1.50 214.50 567.50 806.50 3776.50
1998 708.50 579.00 550.00 236.00 21.00 12.00 0.00 0.00 0.00 117.00 337.00 732.00 3292.50
1999 734.00 467.25 d 501.00 138.50 35.00 0.00 0.00 0.00 40.50 124.50 238.00 644.50 2923.25
2000 728.00 464.50 359.50 197.50 37.50 4.50 0.00 0.00 26.50 113.00 664.00 1091.72 a 3686.72
2001 910.00 619.00 562.00 116.50 30.50 2.00 0.00 z 0.00 35.00 198.50 307.50 698.00 3479.00
2002 771.00 657.50 556.50 137.50 56.00 0.00 z 0.00 0.00 5.00 274.50 534.50 695.50 3688.00
2003 876.50 731.50 0.00 z 169.50 0.00 z 4.50 0.00 z 0.00 z 0.00 z 92.50 385.50 0.00 z 2260.00
2004 786.50 734.00 320.00 181.00 38.00 0.00 0.00 3.50 0.50 77.50 361.00 723.50 3225.50
2005 736.50 0.00 z 428.50 0.00 z 83.50 0.00 0.00 0.00 4.50 165.50 379.00 828.50 2626.00
2006 515.50 652.50 337.00 67.00 33.00 0.00 z 0.00 z 0.00 z 15.50 0.00 z 378.50 676.00 2675.00
2007 882.00 667.50 189.50 262.50 8.50 0.00 0.00 z 0.00 z 1.00 118.50 400.00 0.00 z 2529.50
2008 822.00 648.00 366.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 168.00 0.00 z 0.00 z 2004.50
Period of Record Statistics
MEAN 832.50 645.58 450.20 177.61 48.87 2.58 0.16 0.25 22.69 158.94 461.08 757.70 3545.65
S.D. 133.50 126.13 122.58 67.55 31.55 4.23 0.66 1.32 21.35 64.70 101.73 119.95 310.76
SKEW 0.75 0.47 0.34 0.15 0.80 2.05 4.59 7.23 1.10 0.37 -0.01 0.77 0.33
MAX 1259.50 995.50 778.88 360.00 142.00 20.36 4.00 11.37 84.50 332.14 683.50 1196.50 4503.96
MIN 515.50 425.92 189.50 59.50 0.00 0.00 0.00 0.00 0.00 24.00 238.00 500.00 2877.50
NO YRS 86 86 87 87 84 87 84 88 86 85 88 88 58