SUNRAY 4 SW, TEXAS

Monthly Total Heating Degree Days

(418761)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 198408
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
1932 0.00 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
1933 0.00 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
1934 0.00 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
1935 0.00 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
1936 0.00 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
1937 0.00 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
1938 0.00 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
1939 0.00 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
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 0.00 12.00 138.50 459.50 719.00 1329.00
1963 1111.00 583.50 441.15 e 116.50 f 59.00 1.00 0.00 0.00 3.50 43.00 429.50 965.00 3636.65
1964 792.10 b 370.50 q 637.88 e 180.00 j 41.00 7.50 0.00 0.00 40.00 157.00 548.50 803.00 3026.99
1965 741.86 b 715.00 788.90 b 170.00 c 59.42 a 3.50 0.00 0.00 58.97 a 167.50 351.50 649.50 3706.14
1966 1054.00 801.50 441.50 243.89 c 51.00 g 0.00 0.00 12.00 5.69 a 204.50 399.00 859.00 4021.08
1967 686.00 635.19 a 309.50 117.00 126.58 a 6.35 d 0.00 0.50 15.50 118.00 542.50 861.00 3418.11
1968 772.00 720.00 445.50 262.50 122.00 0.50 0.00 2.50 11.00 142.50 584.00 862.00 3924.50
1969 677.50 633.00 802.50 166.00 48.50 21.50 0.00 0.00 7.50 353.83 b 521.50 759.00 3990.83
1970 905.00 555.85 a 685.50 288.50 57.57 c 29.48 a 0.50 0.00 38.50 320.00 502.00 653.00 4035.91
1971 846.50 683.00 0.00 z 242.00 60.00 0.00 e 0.00 0.00 107.50 163.50 486.00 764.50 3353.00
1972 819.50 581.50 286.50 131.00 60.00 0.00 8.00 0.50 27.00 241.00 814.00 951.00 3920.00
1973 997.50 693.50 537.85 a 414.50 104.50 2.50 0.00 0.00 56.50 138.00 423.50 794.50 4162.85
1974 909.50 560.00 352.00 153.00 17.00 0.00 0.00 0.00 96.50 144.50 532.50 828.00 3593.00
1975 788.50 783.00 538.00 268.00 40.50 12.50 0.00 0.00 59.00 135.00 566.50 682.50 3873.50
1976 809.50 450.57 b 484.12 a 169.50 124.50 0.00 a 0.00 0.00 24.00 348.00 659.50 771.50 3841.19
1977 1078.00 559.00 467.00 208.50 1.50 0.00 0.00 0.00 0.00 120.38 a 492.93 a 700.00 3627.31
1978 1082.93 a 984.50 479.47 a 140.00 148.50 1.00 0.00 0.00 39.50 151.38 a 530.50 928.50 4486.28
1979 1181.00 681.00 465.00 281.00 111.00 26.50 0.00 0.00 13.00 100.50 654.50 707.50 4221.00
1980 850.50 705.50 545.50 282.50 125.50 1.50 0.00 0.00 23.50 206.00 575.50 621.50 3937.50
1981 739.00 560.00 466.50 102.00 64.50 0.00 0.00 0.00 16.50 189.00 403.50 723.00 3264.00
1982 758.00 797.00 494.00 247.50 52.00 4.50 0.00 0.00 5.00 204.50 567.00 838.00 3967.50
1983 895.50 760.50 577.00 362.00 120.50 22.00 0.00 0.00 23.00 150.50 480.00 1202.50 4593.50
1984 951.50 617.00 601.50 366.50 49.50 4.50 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 2590.50
Period of Record Statistics
MEAN 883.95 669.53 516.52 230.79 75.88 6.58 0.37 0.67 31.08 178.96 523.82 801.98 3915.48
S.D. 145.70 117.97 134.46 87.90 41.14 9.46 1.67 2.53 29.18 77.77 101.98 132.11 342.19
SKEW 0.50 0.64 0.50 0.39 0.16 1.40 4.45 4.19 1.30 0.98 0.86 1.21 0.12
MAX 1181.00 984.50 802.50 414.50 148.50 29.48 8.00 12.00 107.50 353.83 814.00 1202.50 4593.50
MIN 677.50 450.57 286.50 102.00 1.50 0.00 0.00 0.00 0.00 43.00 351.50 621.50 3264.00
NO YRS 22 21 21 20 21 22 23 23 22 22 22 22 17