WILLIAMS, CALIFORNIA

Monthly Total Heating Degree Days

(049677)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198810
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
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 29.50 p 396.00 584.50 980.50
1953 420.50 0.00 z 0.00 z 191.00 102.00 17.00 0.00 2.00 0.00 100.50 324.50 517.50 1675.00
1954 599.85 a 437.50 443.50 146.00 23.50 18.50 0.00 0.50 9.50 112.00 388.50 709.00 2888.35
1955 712.00 499.00 360.00 319.50 59.93 a 1.00 0.00 0.00 7.50 61.00 429.50 521.50 2970.93
1956 564.50 564.00 360.00 191.50 72.00 0.00 0.00 0.00 0.00 137.50 329.00 598.00 2816.50
1957 705.50 400.40 c 336.83 e 160.50 62.50 0.00 0.00 l 0.00 2.50 158.00 404.00 611.00 2841.23
1958 644.00 353.50 489.00 213.50 18.50 6.50 0.00 0.00 2.00 31.50 301.50 408.00 2468.00
1959 498.00 453.50 236.00 51.00 49.50 0.00 0.00 4.00 12.00 33.00 268.50 562.50 2168.00
1960 628.50 457.00 295.50 214.50 72.00 0.00 0.00 0.00 0.00 74.00 403.00 600.50 2745.00
1961 672.50 385.50 398.50 183.50 98.50 0.00 0.00 0.00 4.00 128.50 396.00 613.50 2880.50
1962 558.50 523.00 437.50 114.50 67.50 3.50 0.00 0.00 6.00 83.50 312.00 567.00 2673.00
1963 728.00 249.50 406.50 365.00 84.50 0.00 0.00 0.00 0.00 74.00 403.00 738.00 3048.50
1964 616.50 410.50 409.50 200.00 76.00 24.00 0.00 z 0.00 z 11.00 59.50 0.00 z 474.00 2281.00
1965 618.00 440.50 320.50 263.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1642.00
1966 621.50 513.00 371.00 89.50 7.00 6.00 0.00 2.00 5.00 63.50 333.00 596.50 2608.00
1967 621.50 431.00 434.50 478.00 29.50 j 27.00 0.00 0.00 0.00 7.00 i 228.50 555.50 2776.00
1968 704.65 e 305.00 h 74.00 t 138.50 50.00 3.50 0.00 7.00 4.50 100.50 385.50 507.00 g 1394.15
1969 425.50 l 557.50 392.00 214.00 24.00 3.50 0.00 0.00 0.00 158.50 322.00 515.50 2187.00
1970 393.50 h 362.00 296.00 250.00 34.50 6.50 0.00 0.00 4.50 149.00 309.50 642.50 2054.50
1971 592.00 461.50 413.00 228.50 93.50 16.50 0.00 0.00 31.50 223.00 384.00 697.00 3140.50
1972 703.50 403.00 220.50 197.50 61.50 12.50 0.00 0.00 15.50 0.00 z 488.08 d 744.50 2846.58
1973 688.00 394.50 441.23 a 135.52 a 0.50 l 0.00 h 0.00 2.14 b 1.50 l 0.00 z 417.50 564.50 2643.39
1974 618.00 490.54 b 364.50 266.50 50.50 0.00 3.00 0.00 0.00 69.00 421.00 660.00 2943.04
1975 356.00 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 s 0.00 d 0.00 z 0.00 z 579.00 579.00
1976 577.00 434.00 378.50 242.50 33.50 25.50 0.00 4.00 2.00 67.00 298.50 560.00 2622.50
1977 706.00 372.50 413.52 c 87.93 a 151.00 1.50 0.00 0.00 7.00 62.00 326.50 481.00 2608.95
1978 475.50 390.50 216.00 244.00 24.00 0.00 0.00 0.00 19.50 29.50 428.50 730.00 2557.50
1979 623.00 481.50 306.00 210.00 a 38.50 0.00 b 0.00 0.00 0.00 z 98.50 423.50 0.00 z 2181.00
1980 545.00 390.00 372.00 a 165.00 57.50 15.00 0.50 0.00 4.00 128.50 357.00 570.50 2605.00
1981 576.60 a 382.00 357.00 147.50 19.50 0.00 a 0.00 0.00 0.00 f 126.00 h 251.00 479.00 2212.60
1982 705.50 390.00 425.00 215.00 14.00 2.00 0.00 0.00 11.00 94.50 473.50 600.00 2930.50
1983 636.00 375.00 335.50 279.50 71.00 0.00 0.00 0.00 1.50 19.00 375.50 527.00 2620.00
1984 559.00 469.50 202.00 151.00 0.00 z 6.50 0.00 0.00 3.00 134.00 426.50 599.00 2550.50
1985 678.00 0.00 z 404.00 68.50 32.50 3.00 0.00 0.00 19.50 89.00 446.50 672.50 2413.50
1986 461.50 292.00 197.50 143.50 54.50 0.00 0.00 0.00 48.00 0.00 z 0.00 z 0.00 z 1197.00
1987 581.50 105.00 t 344.50 0.00 z 10.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 513.00 0.00 z 1449.50
1988 0.00 z 470.50 0.00 z 0.00 z 0.00 z 0.00 z 1.50 0.00 z 119.46 b 194.55 b 0.00 z 0.00 z 786.02
Period of Record Statistics
MEAN 613.75 426.92 355.55 198.97 53.80 6.23 0.16 0.70 11.31 97.61 373.89 589.65 2738.60
S.D. 78.29 69.98 76.58 85.77 32.37 8.45 0.60 1.62 22.62 50.15 68.31 81.98 236.89
SKEW -0.59 -0.20 -0.66 0.99 0.83 1.26 4.01 2.56 3.83 0.60 -0.15 0.13 -0.42
MAX 728.00 564.00 489.00 478.00 151.00 27.00 3.00 7.00 119.46 223.00 513.00 744.50 3140.50
MIN 420.50 249.50 197.50 51.00 7.00 0.00 0.00 0.00 0.00 19.00 228.50 408.00 2168.00
NO YRS 32 31 32 33 30 32 31 31 31 28 32 31 18