VOLTA POWER HOUSE, CALIFORNIA

Monthly Total Heating Degree Days

(049390)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.50 4.50 66.50 97.00 427.50 789.00 1394.00
1949 881.00 660.50 585.50 133.50 110.50 15.50 0.00 0.00 11.50 162.50 227.00 658.00 3445.50
1950 917.00 500.50 546.50 245.50 146.50 51.50 0.00 1.00 25.50 194.00 318.00 487.00 3433.00
1951 713.50 553.50 459.00 214.50 150.00 13.00 0.50 5.50 11.00 179.50 428.00 695.00 3423.00
1952 824.00 563.50 608.00 223.00 126.50 86.00 0.00 0.00 28.50 45.50 432.50 687.00 3624.50
1953 513.50 435.50 470.00 347.00 288.50 115.50 0.00 19.50 6.50 161.00 401.50 505.00 3263.50
1954 667.50 368.00 555.00 207.50 67.50 96.50 0.00 21.00 15.50 149.50 349.00 660.00 3157.00
1955 720.00 572.00 479.50 523.50 148.00 18.00 9.00 0.00 25.00 112.50 469.00 614.50 3691.00
1956 676.50 646.00 481.50 296.50 163.00 31.00 0.00 0.00 10.00 246.50 298.00 490.50 3339.50
1957 772.50 457.00 500.00 292.00 182.00 16.50 0.00 0.00 17.50 287.00 470.00 570.00 3564.50
1958 592.50 467.50 641.18 a 322.00 72.00 50.50 1.50 0.00 23.50 62.50 366.50 363.50 2963.18
1959 576.50 538.50 343.50 120.00 154.00 10.50 0.00 14.50 43.50 f 82.00 272.50 540.00 2652.00
1960 740.90 a 571.50 417.00 359.00 231.00 0.00 a 0.00 7.00 2.50 143.00 508.00 558.00 3537.90
1961 540.50 509.00 555.50 250.00 237.00 24.83 a 0.50 0.00 24.00 203.50 444.00 635.00 3423.83
1962 577.00 602.00 617.00 189.00 215.00 16.50 0.00 3.00 21.00 189.50 377.50 489.50 3297.00
1963 634.00 336.50 551.50 542.50 158.50 43.39 b 10.00 1.50 5.50 165.50 481.50 537.50 3467.89
1964 699.50 462.50 528.00 308.00 207.00 65.00 0.00 0.00 32.00 85.50 553.00 653.50 3594.00
1965 591.00 467.00 436.00 377.00 148.50 40.50 0.00 0.00 44.50 57.00 457.50 724.00 3343.00
1966 698.00 640.00 507.50 166.00 54.00 51.00 2.50 3.00 18.00 80.00 415.00 596.00 3231.00
1967 613.00 423.50 604.50 656.50 174.50 73.50 0.00 0.00 0.00 80.50 314.00 685.00 3625.00
1968 691.00 403.50 432.00 254.00 160.00 17.00 0.00 25.00 20.50 160.00 472.50 790.00 3425.50
1969 742.50 690.50 495.50 356.00 54.00 36.50 0.00 0.00 4.14 a 252.00 300.00 553.00 3484.14
1970 617.00 415.50 454.50 418.50 105.00 57.00 0.00 0.00 12.50 212.50 449.00 787.50 3529.00
1971 621.50 495.00 589.00 392.00 222.00 52.00 0.00 4.00 77.00 352.00 461.00 802.50 4068.00
1972 696.00 531.50 348.00 360.00 131.50 25.00 0.50 5.50 50.00 230.00 516.50 830.00 3724.50
1973 760.50 507.50 600.00 260.00 73.00 25.86 a 0.00 19.00 17.50 170.50 590.50 635.50 3659.86
1974 699.50 572.00 516.00 401.50 140.50 4.00 17.00 0.00 0.00 m 0.00 z 459.00 0.00 z 2809.50
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1982 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1984 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1989 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2000 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2001 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 683.71 515.00 512.37 315.96 150.77 39.87 1.89 4.96 22.81 160.04 416.98 628.33 3471.47
S.D. 98.39 91.34 79.53 126.87 59.93 29.34 4.27 7.64 19.05 76.22 87.99 117.65 220.05
SKEW 0.51 0.05 -0.39 0.79 0.21 0.89 2.35 1.51 1.42 0.50 -0.30 -0.09 0.25
MAX 917.00 690.50 641.18 656.50 288.50 115.50 17.00 25.00 77.00 352.00 590.50 830.00 4068.00
MIN 513.50 336.50 343.50 120.00 54.00 0.00 0.00 0.00 0.00 45.50 227.00 363.50 2963.18
NO YRS 26 26 26 26 26 26 27 27 25 26 27 26 24