ASH MOUNTAIN, CALIFORNIA

Monthly Total Heating Degree Days

(040343)

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 0.00 0.00 c 20.69 a 77.50 333.00 688.50 1119.69
1949 827.50 564.50 455.50 121.00 84.98 b 2.00 0.00 0.00 3.00 109.00 167.50 571.50 2906.48
1950 687.00 334.44 a 366.00 131.50 82.50 9.50 0.00 0.00 8.50 41.50 172.50 407.50 2240.94
1951 590.00 397.50 328.00 181.50 88.00 0.50 0.00 0.00 4.00 69.00 285.00 611.50 2555.00
1952 619.50 437.00 548.50 205.50 26.00 19.00 0.00 0.00 7.50 1.07 b 355.50 570.50 2790.07
1953 406.50 437.00 348.50 216.50 190.50 24.50 0.00 0.00 0.00 a 94.50 300.00 483.50 2501.50
1954 539.83 b 336.50 433.50 142.24 a 23.50 17.00 0.00 0.00 0.00 c 36.00 284.50 601.00 2414.07
1955 724.00 496.00 398.00 348.00 155.50 15.00 0.00 0.00 0.00 30.00 349.00 512.00 3027.50
1956 501.00 560.00 339.00 264.00 72.00 2.50 0.00 0.00 0.00 124.50 229.14 a 464.00 2556.14
1957 645.50 333.00 339.00 202.00 136.50 4.00 0.00 0.52 a 0.00 91.50 365.00 543.65 d 2660.66
1958 524.93 a 363.00 523.56 d 176.50 h 41.50 7.24 a 0.00 0.00 0.00 a 14.00 259.00 279.00 2012.23
1959 462.00 484.50 220.00 48.00 96.00 0.00 0.00 5.50 8.50 47.03 b 186.50 414.00 1972.03
1960 615.50 504.50 286.50 236.50 104.00 0.00 0.00 e 0.00 0.00 86.00 395.50 586.00 2814.50
1961 489.50 375.50 424.50 172.50 107.00 14.50 0.00 0.00 3.00 124.00 339.00 627.00 2676.50
1962 621.50 481.00 527.00 105.50 158.10 a 20.50 0.00 0.00 0.00 77.00 273.00 397.50 2661.10
1963 581.50 261.00 438.00 425.00 81.50 17.50 0.00 0.00 10.50 69.00 359.50 627.00 2870.50
1964 617.50 453.50 483.00 274.00 168.50 31.00 0.00 2.00 11.50 33.00 456.00 567.00 3097.00
1965 618.50 442.50 412.00 344.00 132.50 51.00 0.00 0.00 19.50 50.50 311.00 656.50 3038.00
1966 608.50 509.50 277.50 78.00 21.50 8.00 0.00 0.00 3.00 53.00 244.50 605.50 2409.00
1967 516.50 435.00 391.00 530.00 135.00 46.50 0.00 0.00 5.50 19.00 175.50 670.50 2924.50
1968 580.00 300.00 325.00 202.00 92.50 14.50 0.00 1.50 7.50 77.00 370.50 625.50 2596.00
1969 623.00 558.50 428.50 240.00 50.50 16.50 0.00 0.00 d 2.88 d 127.00 252.00 468.50 2767.38
1970 484.50 331.50 364.00 312.50 65.50 12.00 0.00 0.00 a 1.50 86.28 a 250.34 a 621.50 2529.63
1971 596.00 479.00 393.00 303.00 178.00 21.50 0.00 0.00 c 22.24 a 224.00 368.00 707.00 3291.74
1972 706.00 382.50 193.50 180.00 69.00 0.50 0.00 0.00 0.00 131.00 492.50 710.50 2865.50
1973 646.50 414.00 545.00 224.00 35.00 7.50 0.00 0.00 2.50 111.00 391.50 536.00 2913.00
1974 559.00 463.50 375.50 309.50 87.50 0.00 0.00 0.00 0.00 69.50 332.00 630.50 2827.00
1975 569.00 491.50 490.50 439.50 112.00 6.00 0.00 0.00 0.00 165.50 366.50 490.00 3130.50
1976 494.00 413.00 418.00 342.00 15.00 17.50 0.00 3.00 12.00 59.50 256.00 382.50 2412.50
1977 623.50 308.00 452.50 78.00 218.00 5.00 0.00 0.00 19.00 58.00 289.00 403.00 2454.00
1978 479.50 433.00 265.00 321.50 92.00 0.00 0.00 0.00 18.50 25.00 397.50 688.00 2720.00
1979 611.00 494.50 374.50 236.50 78.50 3.50 0.00 0.00 0.00 68.00 312.00 367.00 2545.50
1980 465.50 334.50 434.00 208.00 156.00 15.00 0.00 0.00 0.50 73.00 223.00 369.50 2279.00
1981 390.00 350.00 405.00 195.00 52.00 1.50 0.00 0.00 2.50 129.00 232.50 453.00 2210.50
1982 666.50 385.50 435.00 255.50 46.00 15.50 7.00 0.00 23.50 92.00 427.00 579.50 2933.00
1983 541.00 384.50 405.50 327.00 136.50 14.00 0.00 0.00 7.50 37.50 345.50 486.50 2685.50
1984 489.00 414.00 249.00 286.50 43.50 1.50 0.00 0.00 0.00 180.50 376.00 604.50 2644.50
1985 613.00 415.50 445.50 113.50 40.00 11.50 0.00 0.00 30.50 100.00 433.00 469.50 2672.00
1986 320.00 372.00 244.50 210.00 72.50 0.00 0.00 0.00 53.00 45.50 243.50 498.50 2059.50
1987 629.00 423.00 394.50 112.00 79.00 0.00 0.50 0.00 0.00 21.50 393.00 633.50 2686.00
1988 536.00 335.50 295.50 215.50 150.00 30.50 0.00 0.00 5.50 22.50 357.50 544.50 2493.00
1989 626.50 477.00 322.00 116.50 90.50 1.00 0.00 0.00 24.50 94.00 203.50 436.50 2392.00
1990 539.50 512.50 279.50 109.50 47.50 9.00 0.00 0.00 0.00 8.50 292.00 634.50 2432.50
1991 508.00 180.50 547.00 252.50 123.50 1.50 0.00 0.00 0.00 86.50 261.00 474.50 2435.00
1992 607.00 309.50 290.50 95.50 5.00 12.00 0.00 0.00 0.00 28.00 292.00 592.50 2232.00
1993 554.00 397.00 252.00 216.00 40.00 36.00 0.00 0.00 3.50 29.00 263.50 545.50 2336.50
1994 443.50 439.00 242.00 173.00 73.00 4.00 0.00 0.00 0.00 99.50 547.00 624.50 2645.50
1995 533.00 324.50 397.00 280.50 188.00 49.50 0.00 0.00 1.50 15.50 122.00 424.00 2335.50
1996 502.50 365.50 306.00 180.50 16.00 11.00 0.00 0.00 1.00 157.50 313.50 492.50 2346.00
1997 513.00 402.50 200.00 176.50 4.00 4.50 0.00 0.00 0.00 95.50 282.00 600.00 2278.00
1998 492.50 511.00 365.50 367.00 248.00 38.50 0.00 0.00 17.00 87.50 368.00 623.50 3118.50
1999 521.50 470.00 426.50 356.38 a 104.50 35.69 a 0.00 0.00 0.00 11.88 a 250.50 478.00 2654.95
2000 493.00 425.00 363.50 164.50 71.50 13.50 0.00 0.00 c 0.50 151.50 486.50 425.00 2594.50
2001 536.50 492.50 269.38 b 320.89 b 6.00 0.00 0.00 0.00 0.00 17.00 304.66 a 607.00 2553.93
2002 616.50 373.50 380.50 194.50 79.50 0.00 0.00 0.00 2.00 84.00 209.48 a 461.50 2401.48
2003 378.00 398.50 296.00 338.50 111.50 0.00 0.00 0.00 0.00 13.00 400.00 523.00 2458.50
2004 570.00 444.50 0.00 z 126.00 17.50 5.50 0.00 0.00 0.00 z 157.50 322.00 f 562.50 1883.50
2005 597.00 284.50 f 370.00 303.00 90.00 9.50 0.00 0.00 0.00 54.50 187.50 437.50 2049.00
2006 523.00 344.50 570.18 c 329.40 e 27.50 i 0.00 d 0.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1767.08
Period of Record Statistics
MEAN 558.17 413.28 374.56 232.24 89.30 12.34 0.13 0.22 6.39 74.85 311.10 536.12 2611.97
S.D. 88.41 77.63 92.83 100.23 56.08 13.24 0.92 0.87 10.09 48.89 88.44 98.98 282.99
SKEW 0.03 -0.29 0.11 0.48 0.63 1.34 7.36 4.75 2.34 0.71 0.28 -0.29 0.19
MAX 827.50 564.50 570.18 530.00 248.00 51.00 7.00 5.50 53.00 224.00 547.00 710.50 3291.74
MIN 320.00 180.50 193.50 48.00 4.00 0.00 0.00 0.00 0.00 1.07 122.00 279.00 1972.03
NO YRS 58 57 57 57 57 58 58 58 57 58 57 58 54