BEN LOMOND 4, CALIFORNIA

Monthly Total Heating Degree Days

(040673)

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
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 617.42 a 617.42
1973 557.00 373.00 444.50 229.00 110.00 25.00 28.50 23.50 38.50 160.00 425.00 461.50 2875.50
1974 551.50 431.50 355.00 269.00 174.00 38.50 25.00 3.00 13.00 125.50 345.00 511.00 2842.00
1975 467.00 397.50 437.50 401.50 139.00 67.00 27.00 21.00 21.00 193.00 387.00 453.00 3011.50
1976 458.50 435.00 405.50 313.50 127.00 63.00 2.50 21.50 25.00 88.50 207.00 475.00 2622.00
1977 485.50 296.50 447.00 219.00 252.50 40.50 24.00 2.50 49.00 100.00 262.00 368.50 2547.00
1978 402.00 346.50 235.00 293.50 76.50 38.00 11.00 11.50 32.50 113.00 397.00 580.50 2537.00
1979 554.50 461.00 353.00 251.00 131.00 41.50 12.00 10.50 5.50 84.00 326.50 426.00 2656.50
1980 421.00 0.00 z 364.00 241.00 200.00 80.00 13.00 36.00 44.00 161.00 306.00 402.00 2268.00
1981 422.00 341.00 387.50 225.00 119.00 10.00 21.50 10.50 30.50 228.50 309.00 424.50 2529.00
1982 588.00 344.00 452.50 296.50 157.50 92.00 9.50 10.00 48.00 136.00 388.00 495.00 3017.00
1983 411.50 349.00 358.00 351.00 147.50 53.00 17.00 5.50 17.50 72.50 379.00 433.50 2595.00
1984 442.50 404.50 281.00 281.00 73.00 59.00 2.00 3.50 9.50 191.50 432.00 568.50 2748.00
1985 543.00 362.50 476.50 158.50 182.50 30.00 6.00 22.00 72.00 208.50 427.00 478.50 2967.00
1986 387.50 319.50 256.50 261.00 135.50 11.50 23.50 7.00 129.00 136.50 285.50 490.50 2443.50
1987 530.50 387.00 396.50 158.50 123.00 42.50 37.00 21.00 18.50 83.00 352.50 535.50 2685.50
1988 488.50 321.00 264.00 220.50 173.00 76.50 4.50 17.50 39.50 136.00 348.50 529.50 2619.00
1989 547.50 490.00 329.50 180.50 150.50 46.00 12.50 32.00 50.00 171.00 315.00 461.00 2785.50
1990 502.00 466.00 339.00 150.50 164.50 37.00 8.50 17.00 5.50 73.00 342.50 659.50 2765.00
1991 515.50 290.00 516.00 318.50 211.00 124.50 19.00 17.50 18.00 121.50 283.50 492.00 2927.00
1992 509.50 334.50 305.50 132.50 70.50 46.00 2.00 5.50 13.50 80.50 331.50 557.00 2388.50
1993 548.00 458.00 273.50 236.00 125.50 43.00 25.50 10.50 43.00 92.00 367.50 503.00 2725.50
1994 477.50 474.00 295.00 248.50 181.00 49.50 49.50 12.50 26.50 180.50 531.50 591.00 3117.00
1995 451.50 295.00 412.50 299.00 222.50 85.50 5.00 9.50 15.50 104.50 172.00 414.00 2486.50
1996 447.50 318.50 286.00 182.00 125.00 39.50 3.50 2.00 19.00 162.00 326.00 436.00 2347.00
1997 450.00 343.00 255.50 170.00 35.00 24.00 7.50 1.50 0.00 141.50 318.50 521.50 2268.00
1998 447.00 432.00 353.50 314.00 295.00 96.00 12.00 4.50 43.00 198.00 389.00 623.00 3207.00
1999 510.50 459.00 487.50 300.50 222.00 102.00 19.00 12.00 27.50 72.50 309.00 517.50 3039.00
2000 482.50 392.50 329.50 196.50 121.50 33.00 21.00 12.00 24.00 160.50 461.50 487.00 2721.50
2001 596.00 447.50 282.00 0.00 z 45.50 17.50 11.00 3.00 32.00 104.50 309.00 537.00 2385.00
2002 604.50 368.00 420.50 278.00 0.00 z 53.50 17.00 11.50 20.50 155.50 246.50 460.00 2635.50
2003 264.50 378.50 272.50 343.50 119.00 32.00 2.00 3.00 10.50 0.00 z 414.00 476.00 2315.50
2004 487.50 447.50 188.00 216.50 102.00 33.00 7.00 0.00 42.50 165.00 358.00 454.50 2501.50
2005 471.50 340.50 297.50 295.00 131.50 87.50 1.50 6.00 62.50 127.50 264.50 438.50 2524.00
2006 482.00 374.00 509.50 306.00 114.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1785.50
Period of Record Statistics
MEAN 485.46 384.18 354.91 252.64 144.15 52.05 14.77 11.71 31.71 135.23 342.92 496.44 2706.84
S.D. 68.36 58.34 84.93 64.79 56.93 27.63 11.18 8.88 24.33 43.97 73.12 67.35 240.96
SKEW -0.73 0.17 0.19 0.03 0.47 0.76 1.04 0.93 2.02 0.23 0.09 0.52 0.26
MAX 604.50 490.00 516.00 401.50 295.00 124.50 49.50 36.00 129.00 228.50 531.50 659.50 3207.00
MIN 264.50 290.00 188.00 132.50 35.00 10.00 1.50 0.00 0.00 72.50 172.00 368.50 2268.00
NO YRS 34 33 34 33 33 33 33 33 33 32 33 34 29