CORNUDAS SVC STN, TEXAS

Monthly Total Heating Degree Days

(412012)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 200710
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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 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
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 3.50 127.00 423.50 673.00 1227.00
1963 800.50 513.50 381.00 112.50 1.03 a 0.00 0.00 0.00 3.00 58.50 421.00 732.50 3023.53
1964 848.50 756.00 492.00 185.50 14.50 2.50 0.00 0.00 4.00 132.00 458.50 700.50 3594.00
1965 590.50 586.50 537.50 131.00 16.00 0.00 0.00 0.00 13.50 167.50 300.00 626.00 2968.50
1966 837.50 677.50 345.00 133.00 35.00 0.00 0.00 2.50 0.00 201.50 351.00 744.50 3327.50
1967 740.00 523.00 250.07 a 99.00 49.00 0.00 0.00 0.50 7.50 128.50 394.50 784.50 2976.57
1968 683.00 517.00 445.50 225.00 13.43 a 0.00 0.00 0.00 9.50 101.00 497.50 757.00 3248.93
1969 558.50 533.50 605.50 101.50 47.50 0.00 0.00 0.00 0.00 149.50 493.50 637.00 3126.50
1970 715.50 544.00 492.00 197.50 57.00 3.50 0.00 0.00 56.00 267.00 467.00 564.50 3364.00
1971 643.50 539.50 330.00 197.50 33.00 0.00 0.00 0.00 39.00 156.00 408.00 645.00 2991.50
1972 646.50 474.00 218.00 100.00 6.50 1.50 0.00 0.00 10.00 126.00 601.50 712.00 2896.00
1973 816.50 623.50 476.50 298.50 52.50 0.00 0.00 0.00 0.50 133.50 381.50 679.50 3462.50
1974 666.00 572.00 245.00 145.50 11.00 0.00 0.00 0.50 61.50 175.50 505.50 757.50 3140.00
1975 708.50 546.00 a 415.00 313.50 81.00 0.00 0.00 0.00 45.00 a 150.35 a 495.50 699.00 3453.85
1976 743.00 433.00 374.50 186.50 62.00 0.00 0.00 0.00 10.00 263.50 673.50 791.50 3537.50
1977 739.00 528.50 481.00 170.00 14.50 0.00 0.00 0.00 0.00 91.50 417.00 424.00 f 2441.50
1978 694.00 576.00 335.50 105.50 23.00 0.00 0.00 a 0.00 u 44.00 t 154.00 389.50 736.25 a 3013.75
1979 842.68 a 596.17 d 488.50 211.73 d 28.50 k 2.50 0.00 b 0.57 d 41.00 98.50 622.00 719.50 3623.15
1980 0.00 z 518.00 483.50 0.00 z 39.50 0.00 0.00 1.50 9.00 0.00 z 586.00 610.00 2247.50
1981 722.00 451.50 421.94 d 84.31 a 4.00 0.00 0.00 0.00 d 1.00 l 131.23 a 372.00 591.58 a 2778.57
1982 688.00 353.50 h 296.50 57.41 a 26.00 0.00 0.00 0.00 0.00 191.00 522.50 821.50 2602.91
1983 780.50 562.50 439.00 387.50 65.00 0.00 0.00 0.00 4.50 93.50 416.00 748.50 3497.00
1984 689.50 593.50 417.50 183.50 9.50 0.00 0.00 0.00 a 33.50 230.50 457.50 595.50 3210.50
1985 762.50 611.00 231.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.00 m 140.00 415.00 468.00 l 1928.50
1986 0.00 z 434.00 a 344.62 a 76.50 39.00 0.00 0.00 0.00 2.50 k 210.00 545.89 b 768.00 2418.01
1987 799.50 615.00 536.00 286.00 66.02 d 0.00 z 0.00 0.00 z 16.00 69.50 0.00 z 761.50 3149.52
1988 778.00 526.50 481.50 217.76 a 0.00 z 0.00 0.00 1.00 j 10.50 103.00 0.00 z 796.00 2913.26
1989 0.00 z 508.50 334.50 0.00 z 29.50 0.00 0.00 0.00 26.50 158.50 462.50 828.00 2348.00
1990 749.50 601.50 395.00 121.50 60.50 0.00 c 0.00 5.50 11.50 134.50 394.50 674.50 3148.50
1991 743.00 482.00 424.00 173.00 27.00 0.50 0.00 0.00 56.00 135.00 556.00 705.50 3302.00
1992 833.00 576.00 412.00 143.50 19.50 0.00 0.00 0.00 1.50 53.50 544.50 682.00 3265.50
1993 582.00 489.00 373.00 154.00 19.00 0.00 0.00 0.00 5.00 195.50 489.50 697.50 3004.50
1994 711.50 532.00 330.50 144.50 5.00 0.00 0.00 0.00 2.00 124.50 417.00 594.50 2861.50
1995 0.00 z 308.50 f 344.50 173.50 15.50 0.00 0.00 0.00 6.00 73.00 369.00 632.50 1614.00
1996 676.00 428.50 457.50 170.00 4.50 0.00 0.00 0.00 14.00 152.50 445.50 691.00 3039.50
1997 757.00 592.00 272.80 a 251.00 8.00 0.00 0.00 0.00 0.00 206.50 479.50 791.50 3358.30
1998 706.50 604.50 345.50 242.50 6.00 0.00 0.00 0.00 0.00 z 122.00 359.00 698.00 3084.00
1999 626.50 421.00 339.50 180.00 23.50 0.00 0.00 0.00 a 9.00 164.50 358.00 807.00 2929.00
2000 621.00 440.00 350.50 92.50 5.50 0.00 0.00 0.00 6.00 192.00 622.50 730.16 c 3060.16
2001 804.97 a 490.00 433.50 128.79 a 11.88 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1869.14
2002 365.00 n 366.00 k 376.00 60.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 198.00 0.00 z 730.00 1364.50
2003 0.00 z 0.00 z 424.00 132.50 20.50 0.00 0.00 0.00 0.00 67.00 395.50 725.00 1764.50
2004 626.50 623.00 284.74 d 0.00 z 0.00 z 0.00 z 0.00 a 0.00 z 0.00 z 0.00 z 425.50 h 0.00 z 1534.24
2005 0.00 z 0.00 z 327.00 k 162.50 34.50 0.00 0.00 z 0.00 c 0.00 183.50 465.50 606.50 f 846.00
2006 487.50 h 535.65 e 277.00 f 68.50 f 6.00 0.00 0.00 0.00 18.50 184.50 423.00 0.00 z 1167.65
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 120.00 0.00 z 0.00 z 120.00
Period of Record Statistics
MEAN 720.31 542.96 395.87 167.62 27.24 0.26 0.00 0.28 14.04 146.86 459.92 708.70 3191.49
S.D. 77.47 71.84 86.40 72.24 21.27 0.79 0.00 0.98 17.63 51.12 85.00 68.23 216.80
SKEW -0.18 0.44 0.08 0.93 0.80 3.01 0.00 4.37 1.47 0.28 0.62 -0.27 0.26
MAX 848.50 756.00 605.50 387.50 81.00 3.50 0.00 5.50 61.50 267.00 673.50 828.00 3594.00
MIN 558.50 421.00 218.00 57.41 1.03 0.00 0.00 0.00 0.00 53.50 300.00 564.50 2861.50
NO YRS 36 39 41 39 39 40 41 39 38 43 40 39 25