SEMINOLE, TEXAS

Monthly Total Heating Degree Days

(418201)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201205
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
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 c 0.00 156.00 441.50 577.50 1175.00
1923 522.50 621.50 478.00 162.50 27.00 0.00 0.00 0.00 0.00 250.00 508.50 689.00 3259.00
1924 831.50 593.50 577.50 106.00 h 69.00 0.00 0.00 0.00 34.50 123.00 378.50 783.00 3390.50
1925 820.31 e 364.50 223.00 76.50 29.00 0.00 0.00 k 0.00 g 0.00 202.50 443.00 727.47 a 2886.27
1926 797.00 253.00 j 445.50 240.00 9.50 0.00 0.00 0.00 58.50 117.00 0.00 z 0.00 z 1667.50
1927 0.00 z 0.00 z 369.00 f 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
1928 0.00 z 0.00 z 0.00 z 0.00 z 3.50 l 6.00 0.00 p 0.00 h 25.00 117.00 512.22 c 697.00 1357.22
1929 734.00 732.50 407.28 b 126.50 45.43 b 0.00 0.00 a 0.00 z 27.00 0.00 z 0.00 z 0.00 z 2072.71
1930 0.00 z 0.00 z 287.50 l 60.50 37.00 5.50 0.00 0.00 b 7.50 154.50 500.50 769.50 1535.00
1931 713.50 503.00 508.50 229.50 72.50 0.00 0.00 0.00 0.00 85.00 357.50 813.00 3282.50
1932 838.00 483.00 548.50 124.00 38.00 0.00 0.00 0.00 51.50 213.00 504.50 877.00 3677.50
1933 650.00 637.78 a 354.00 220.00 50.50 0.00 0.00 0.00 0.00 43.00 380.50 508.50 2844.28
1934 723.00 530.00 405.50 116.38 a 14.00 0.00 0.00 0.00 2.50 53.00 347.00 622.50 2813.88
1935 553.35 a 528.50 240.50 f 72.00 86.00 0.00 0.00 0.00 29.00 104.50 420.50 681.50 2475.35
1936 705.50 570.00 280.00 168.00 8.00 0.00 0.00 0.00 51.50 201.50 489.00 605.50 3079.00
1937 833.50 544.50 528.00 132.00 11.00 0.50 0.00 0.00 11.50 112.00 h 78.50 y 647.00 2708.00
1938 635.00 417.50 246.45 a 168.00 33.50 0.00 0.00 0.00 0.00 71.00 499.00 636.00 2706.45
1939 599.85 a 656.50 305.00 135.00 6.09 c 0.00 0.00 0.00 5.00 102.50 477.50 541.50 2828.94
1940 857.50 551.50 305.00 147.00 21.38 b 0.00 g 0.00 b 0.00 a 0.00 94.00 447.50 572.95 c 2996.83
1941 606.50 487.00 483.50 189.50 32.00 0.00 0.00 0.00 16.00 103.00 372.00 619.00 2908.50
1942 735.50 548.50 263.00 n 163.45 a 41.00 0.00 c 0.00 0.00 38.57 b 121.23 c 306.67 c 582.00 2536.92
1943 701.38 c 389.85 b 387.50 63.33 c 46.00 0.00 0.00 0.00 c 16.20 e 136.50 470.50 729.00 2940.25
1944 707.50 448.50 339.89 c 132.32 b 24.00 0.00 0.00 t 0.00 b 0.00 t 83.50 i 372.12 d 727.00 2751.33
1945 619.00 421.22 e 183.50 h 190.38 d 16.57 b 0.00 0.00 z 0.00 v 29.00 i 133.30 a 134.00 p 481.00 k 1380.47
1946 788.71 e 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 788.71
1947 0.00 z 0.00 z 367.02 c 36.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 367.02
1948 0.00 z 0.00 z 0.00 z 4.50 z 9.50 0.00 a 0.00 0.00 i 8.00 108.50 470.00 507.50 1103.50
1949 914.50 a 491.00 305.00 218.00 10.50 0.00 a 0.00 a 0.00 13.39 b 213.26 b 290.00 636.50 3092.15
1950 547.50 392.50 350.50 139.00 21.50 2.00 0.00 0.00 0.00 20.50 387.50 614.50 2475.50
1951 745.50 483.00 390.60 a 172.00 25.00 3.50 0.00 0.00 13.50 103.00 502.00 619.00 3057.10
1952 527.00 486.00 437.50 176.50 38.00 0.00 4.00 0.00 17.07 a 153.50 529.50 674.54 d 3043.61
1953 462.42 a 594.50 243.00 101.50 f 82.50 0.00 h 0.00 0.00 0.00 139.00 440.00 797.00 2758.42
1954 642.50 383.70 a 455.50 71.00 92.50 0.00 j 0.00 0.00 a 0.00 163.50 434.00 674.50 2917.20
1955 799.50 645.50 385.50 161.50 18.00 7.78 c 0.00 0.00 0.00 a 111.00 436.00 549.50 3114.28
1956 652.00 637.50 331.50 168.50 0.50 0.00 0.00 0.00 0.00 108.50 515.50 554.50 2968.50
1957 625.88 b 341.00 329.00 174.00 23.50 13.00 0.00 0.00 3.00 195.50 563.50 537.00 2805.38
1958 752.50 555.00 589.00 222.50 17.00 0.00 0.00 0.00 15.50 179.00 373.50 652.00 3356.00
1959 719.00 570.89 a 387.50 213.50 9.00 0.00 0.00 0.00 9.50 148.50 553.50 631.50 3242.89
1960 756.50 699.00 441.50 74.00 28.00 0.00 0.00 0.00 1.50 70.50 329.00 782.00 3182.00
1961 757.50 482.50 324.50 135.50 7.00 5.50 0.00 0.00 5.50 70.50 514.50 647.50 2950.50
1962 828.50 342.50 439.00 109.50 14.00 0.00 0.00 0.00 3.50 79.50 326.00 594.50 2737.00
1963 803.50 461.00 287.00 47.00 16.50 0.00 0.00 0.00 3.00 13.50 377.50 806.50 2815.50
1964 737.50 733.00 424.50 120.00 12.00 4.50 0.00 0.00 35.00 124.50 418.00 700.00 3309.00
1965 626.00 692.50 612.50 100.50 21.50 3.50 0.00 0.00 17.00 141.00 264.00 597.00 3075.50
1966 928.00 718.50 360.00 197.00 71.00 0.00 0.00 14.50 0.00 216.00 317.00 787.00 3609.00
1967 726.00 566.50 243.00 49.00 57.50 2.00 0.00 0.00 20.50 150.50 407.00 797.00 3019.00
1968 740.50 666.50 460.00 209.50 38.50 0.00 0.00 0.00 11.50 118.00 496.00 711.00 3451.50
1969 620.50 540.00 684.00 117.50 37.50 1.50 0.00 0.00 0.00 276.00 482.00 610.50 3369.50
1970 801.00 559.00 573.00 174.00 55.00 18.00 0.00 0.00 57.50 278.50 484.50 550.50 3551.00
1971 687.50 617.00 442.50 182.50 38.00 0.00 0.00 0.00 78.00 119.50 376.00 630.50 3171.50
1972 700.00 545.00 234.50 92.00 20.50 0.00 0.00 0.00 16.00 177.50 614.50 765.50 3165.50
1973 888.00 677.00 428.50 301.00 75.50 0.00 0.00 0.00 36.50 75.00 318.00 665.00 3464.50
1974 731.00 571.00 198.00 111.00 19.00 0.00 0.00 0.00 90.00 138.00 482.00 742.00 3082.00
1975 713.50 613.00 485.50 245.50 39.00 2.50 0.00 0.00 85.00 139.00 431.00 678.50 3432.50
1976 748.50 388.50 376.50 126.50 74.50 0.00 0.00 0.00 26.50 314.00 653.50 739.50 3448.00
1977 922.50 510.50 433.00 171.50 2.00 0.00 0.00 0.00 0.00 94.00 391.00 620.50 3145.00
1978 896.50 746.50 395.00 56.00 52.00 2.50 0.00 0.00 36.00 128.50 426.00 779.00 3518.00
1979 963.00 616.00 423.50 143.00 61.50 9.00 0.00 0.00 19.50 98.00 565.50 659.50 3558.50
1980 704.73 a 589.00 450.50 209.50 38.50 0.00 0.00 0.00 21.00 201.50 556.00 596.00 3366.73
1981 715.50 534.50 432.50 117.00 27.50 4.00 0.00 0.00 8.50 180.00 343.00 597.00 2959.50
1982 776.00 632.50 361.00 176.50 51.00 0.00 0.00 0.00 5.50 179.00 471.00 803.79 c 3456.29
1983 654.00 h 559.50 366.50 291.00 27.00 22.00 0.00 0.00 25.00 108.50 417.00 1001.00 2817.50
1984 845.50 547.50 417.00 169.50 23.50 1.00 0.00 0.00 64.00 210.00 445.50 629.50 3353.00
1985 850.00 656.50 334.50 85.00 16.50 3.50 0.00 0.00 41.50 156.00 377.50 792.00 3313.00
1986 637.00 465.00 284.00 61.03 a 32.00 1.00 0.00 0.00 8.00 175.50 489.50 737.00 2890.03
1987 754.00 536.50 517.50 242.50 16.00 0.50 0.00 a 2.50 8.00 73.00 438.00 710.50 3299.00
1988 854.50 615.50 410.50 184.00 30.50 0.00 0.00 7.50 8.00 95.00 357.00 723.50 3286.00
1989 643.00 640.50 355.50 144.00 16.50 0.00 0.00 0.00 53.00 106.00 406.50 884.50 3249.50
1990 655.00 476.00 428.50 150.00 83.00 0.00 0.00 2.00 5.50 148.50 340.00 770.50 3059.00
1991 817.00 473.00 337.50 104.50 15.00 0.00 0.00 0.00 76.50 123.00 601.00 699.50 3247.00
1992 789.50 488.00 297.00 154.00 53.00 3.00 0.00 0.50 5.00 76.50 524.00 679.50 3070.00
1993 761.00 625.00 432.50 177.50 38.50 0.00 0.00 0.00 21.00 213.00 577.00 658.00 3503.50
1994 737.00 622.00 375.00 184.00 57.00 0.00 0.00 0.00 15.00 119.50 390.50 563.00 3063.00
1995 701.50 432.00 443.50 200.00 25.50 0.00 0.00 0.00 42.00 130.00 398.50 664.50 3037.50
1996 720.00 520.00 503.00 188.00 0.50 0.00 0.00 0.00 31.50 164.50 413.50 627.00 3168.00
1997 798.00 626.00 320.00 293.00 44.00 4.00 0.00 3.00 8.50 179.00 504.00 799.00 3578.50
1998 608.50 532.00 471.00 207.50 0.00 0.00 0.00 0.00 0.50 91.50 352.00 664.00 2927.00
1999 585.50 382.50 382.00 155.00 47.00 0.50 0.00 0.00 40.50 137.00 286.00 689.50 2705.50
2000 616.50 367.00 311.00 135.50 22.50 0.50 0.00 0.00 25.50 174.50 641.00 825.00 3119.00
2001 811.00 528.50 503.00 106.00 15.00 0.00 0.00 0.00 9.50 122.50 384.50 654.50 3134.50
2002 657.50 637.00 502.00 130.00 27.50 0.00 0.00 0.00 4.00 189.00 524.50 702.50 3374.00
2003 673.50 595.50 348.00 104.50 21.00 0.00 0.00 0.00 0.00 z 64.00 411.00 649.00 2866.50
2004 687.50 653.50 297.50 170.50 35.50 0.00 5.00 0.00 11.00 85.50 500.50 717.50 3164.00
2005 613.00 545.00 431.00 157.50 93.50 0.00 5.00 0.00 4.50 168.50 397.50 710.00 3125.50
2006 562.00 0.00 z 335.50 78.50 14.00 0.00 0.00 0.00 z 27.00 0.00 z 381.00 739.50 2137.50
2007 889.50 594.00 291.00 271.50 61.00 0.00 0.00 0.00 4.00 99.50 427.00 661.00 3298.50
2008 774.50 511.50 409.00 170.50 43.50 0.00 0.00 0.00 6.50 162.00 438.00 752.00 3267.50
2009 694.00 0.00 z 342.00 190.50 33.50 0.00 0.00 0.00 23.50 223.50 371.50 863.50 2742.00
2010 793.50 683.00 430.50 182.50 72.50 0.00 0.00 0.00 2.00 69.50 450.50 628.50 3312.50
2011 769.00 517.44 c 242.50 60.00 53.00 0.00 0.00 0.00 11.50 105.50 422.00 824.08 a 3005.02
2012 614.32 a 550.00 246.40 b 52.80 e 5.50 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1463.51
Period of Record Statistics
MEAN 726.74 549.28 393.53 153.01 34.59 1.53 0.17 0.37 19.22 137.09 438.95 687.31 3162.44
S.D. 103.17 97.74 96.61 59.19 23.07 3.73 0.89 1.85 21.56 56.97 82.90 93.88 250.74
SKEW -0.06 -0.19 0.38 0.23 0.76 3.60 5.02 6.34 1.48 0.57 0.32 0.50 -0.20
MAX 963.00 746.50 684.00 301.00 93.50 22.00 5.00 14.50 90.00 314.00 653.50 1001.00 3677.50
MIN 462.42 341.00 198.00 47.00 0.00 0.00 0.00 0.00 0.00 13.50 264.00 507.50 2475.50
NO YRS 84 81 82 83 85 83 82 81 84 83 83 84 67