KENTFIELD, CALIFORNIA

Monthly Total Heating Degree Days

(044500)

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 36.17 a 32.50 79.29 b 202.02 a 431.00 721.00 1501.97
1949 855.60 a 572.92 b 419.53 a 201.00 118.00 f 59.48 a 38.15 e 16.50 k 43.00 j 188.50 o 244.50 g 540.50 h 2146.69
1950 683.72 d 425.83 d 454.00 225.50 224.75 a 63.00 13.00 23.00 26.79 b 176.50 265.50 447.00 3028.59
1951 599.00 466.15 a 418.00 324.00 165.00 60.50 44.00 32.50 60.00 f 162.00 396.00 610.18 a 3277.33
1952 675.00 429.42 c 455.38 b 260.40 e 155.00 c 119.46 b 20.00 m 39.78 a 51.00 190.00 254.50 m 139.00 w 2375.45
1953 445.76 b 420.50 450.50 350.00 275.50 118.50 31.00 a 47.65 d 46.61 b 209.77 a 348.62 a 480.50 3224.90
1954 554.50 446.32 c 474.50 244.00 183.00 102.50 14.47 a 112.38 c 84.11 b 213.26 b 383.08 d 611.00 3423.10
1955 698.57 b 488.32 c 445.88 a 395.69 a 184.50 107.22 c 34.62 a 95.07 a 85.00 c 177.50 407.00 463.00 3582.37
1956 507.50 541.33 b 411.00 294.50 137.50 0.00 w 39.78 a 11.50 q 8.00 u 129.50 h 232.50 l 578.67 d 2510.28
1957 246.00 u 270.00 h 270.00 f 177.00 g 173.00 28.00 35.28 b 65.50 42.60 e 186.50 433.50 568.00 1532.38
1958 579.18 a 332.89 a 489.59 b 243.21 b 80.50 j 25.00 c 11.00 1.11 c 15.58 d 58.00 l 301.50 g 453.63 a 2151.19
1959 480.50 b 286.00 k 143.00 l 172.76 a 158.21 b 32.59 a 9.30 a 32.00 o 35.50 77.50 d 382.80 e 541.93 d 1891.08
1960 598.09 b 430.17 e 322.73 c 245.00 180.32 a 46.20 e 14.97 b 23.00 f 66.43 b 116.50 h 451.15 d 0.00 z 2355.05
1961 0.00 z 197.50 s 304.50 f 245.50 224.50 45.00 b 16.50 7.00 64.14 a 157.21 c 357.50 594.00 1711.35
1962 602.50 436.00 456.50 209.50 202.00 90.00 54.50 35.43 c 75.00 b 153.00 260.50 485.00 3059.93
1963 645.00 246.00 414.50 352.50 190.00 84.50 30.50 25.66 b 9.64 b 121.50 359.50 662.00 3141.30
1964 573.00 408.00 419.02 a 330.54 b 250.00 95.00 24.00 24.69 d 89.00 94.50 400.34 a 445.50 3153.58
1965 540.50 417.20 c 382.85 a 291.21 a 181.72 b 135.50 59.00 5.17 a 100.86 a 50.00 288.50 649.50 3102.01
1966 557.00 457.50 383.00 181.55 a 172.50 53.00 25.00 29.00 12.86 b 92.00 309.50 519.50 2792.41
1967 511.00 422.50 422.00 463.50 152.00 127.00 20.00 8.00 1.00 52.70 a 239.00 570.73 c 2989.43
1968 603.00 326.00 314.50 236.00 200.98 a 53.04 b 16.50 11.00 k 11.11 c 148.50 360.00 455.50 g 2269.63
1969 625.00 496.00 399.50 292.00 137.36 b 47.59 a 21.59 c 9.50 38.50 f 127.88 c 288.00 393.50 2837.91
1970 443.00 328.00 280.00 294.50 109.00 39.50 21.00 56.50 34.50 211.00 283.50 554.00 2654.50
1971 552.00 399.50 374.50 282.00 174.00 52.50 9.00 1.00 35.50 231.50 380.00 621.50 3113.00
1972 658.00 388.00 222.50 246.00 134.50 48.50 3.50 5.50 51.50 156.50 431.50 677.00 3023.00
1973 572.50 369.70 a 411.50 168.00 95.00 34.29 b 13.50 37.50 33.50 140.00 364.00 482.50 2721.99
1974 529.50 424.00 353.50 263.28 a 160.50 36.00 12.00 15.50 59.50 110.50 356.50 528.50 2849.28
1975 556.50 410.00 384.00 368.00 138.50 65.00 17.00 33.50 69.00 198.00 405.00 492.00 3136.50
1976 528.00 418.43 a 407.00 309.00 99.00 54.00 0.50 24.50 39.50 121.00 269.00 541.50 2811.43
1977 613.00 345.50 411.00 209.00 212.00 43.00 5.00 1.00 64.00 133.50 325.56 c 428.50 2791.06
1978 428.00 355.50 268.67 a 298.00 62.00 25.50 11.00 3.21 b 8.50 106.00 420.50 668.50 2655.37
1979 560.07 a 434.50 334.50 247.50 99.00 33.00 11.00 8.00 10.00 108.00 369.50 479.50 2694.57
1980 488.50 325.00 342.50 233.50 165.50 58.00 5.50 55.00 32.00 143.50 295.50 474.50 2619.00
1981 478.50 337.00 376.50 209.00 82.00 3.00 25.00 16.50 27.00 207.00 298.50 424.00 2484.00
1982 642.50 367.00 441.00 299.00 158.00 93.00 28.00 13.50 38.50 137.50 443.50 519.50 3181.00
1983 587.00 351.50 364.00 335.00 171.00 44.00 17.50 6.00 30.00 96.00 379.00 451.50 2832.50
1984 495.50 433.50 273.50 297.50 90.50 66.00 21.00 20.00 13.50 192.50 425.50 598.50 2927.50
1985 638.00 365.50 428.50 134.00 119.00 11.50 0.00 5.00 33.50 137.00 422.50 617.50 2912.00
1986 405.50 283.50 217.50 220.00 91.50 23.50 4.50 6.50 84.00 83.50 223.00 516.00 2159.00
1987 504.00 320.50 305.50 115.50 84.50 9.50 7.50 3.50 6.50 49.50 290.50 511.50 2208.50
1988 495.00 302.50 213.50 182.00 133.50 44.50 0.00 7.50 27.50 100.00 316.50 479.00 2301.50
1989 557.00 483.00 316.50 150.00 115.00 36.50 3.50 1.50 27.50 121.50 276.50 522.00 2610.50
1990 494.50 442.50 311.00 131.00 136.00 13.50 0.00 0.50 0.00 46.00 306.00 637.50 2518.50
1991 505.00 270.50 429.00 224.50 176.50 62.50 3.00 4.00 9.00 82.00 266.00 506.50 2538.50
1992 564.50 291.00 260.00 110.50 25.00 23.50 0.00 0.00 5.00 37.50 283.50 559.00 2159.50
1993 571.50 421.50 219.50 196.50 86.50 27.00 2.50 0.50 31.50 58.50 0.00 z 0.00 z 1615.50
1994 448.50 396.00 231.50 169.00 97.50 26.00 14.00 2.00 12.00 101.50 457.00 570.00 2525.00
1995 387.00 268.00 341.50 221.50 150.00 51.50 0.00 4.00 3.50 60.00 163.00 372.50 2022.50
1996 436.50 294.00 238.00 159.50 91.00 36.00 1.50 3.50 30.00 122.00 263.50 367.50 2043.00
1997 456.50 294.50 225.50 137.00 31.50 10.00 0.00 0.50 1.50 92.50 249.50 485.50 1984.50
1998 404.00 352.50 288.00 243.50 213.90 a 63.00 8.50 7.50 26.50 148.00 335.50 585.50 2676.40
1999 528.66 c 415.00 435.00 252.93 a 204.71 b 69.50 22.22 a 2.07 a 20.17 a 71.09 b 263.04 b 481.53 a 2765.91
2000 431.42 a 355.00 295.53 a 165.00 a 97.50 35.36 b 19.63 a 7.20 c 20.89 b 129.74 d 382.22 c 451.64 b 2391.13
2001 514.71 b 383.19 a 233.53 a 287.59 a 16.61 c 17.00 15.00 13.50 33.50 88.00 274.00 467.00 2343.62
2002 544.50 349.00 370.50 247.00 164.00 43.00 11.00 29.50 32.50 145.00 268.50 446.00 2650.50
2003 370.00 372.00 269.00 336.50 142.00 46.00 10.50 1.00 11.00 0.00 z 392.00 471.50 2421.50
2004 502.00 408.00 167.00 194.00 111.50 35.50 5.00 1.00 22.50 179.00 352.50 478.00 2456.00
2005 558.50 321.00 276.00 260.00 119.50 74.50 3.50 14.50 72.00 111.00 258.00 423.50 2492.00
2006 451.00 365.00 484.50 276.00 112.00 39.31 a 8.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1727.81
Period of Record Statistics
MEAN 539.92 385.52 351.53 246.16 143.17 52.40 16.17 18.99 36.18 129.21 336.83 522.36 2721.61
S.D. 88.82 68.77 84.88 72.87 54.15 30.84 13.97 23.65 26.58 50.70 69.42 81.54 379.05
SKEW 0.68 0.25 -0.30 0.37 -0.09 0.91 1.06 2.05 0.68 0.10 -0.11 0.37 -0.04
MAX 855.60 572.92 489.59 463.50 275.50 135.50 59.00 112.38 100.86 231.50 457.00 721.00 3582.37
MIN 370.00 246.00 167.00 110.50 16.61 3.00 0.00 0.00 0.00 37.50 163.00 367.50 1984.50
NO YRS 56 55 55 57 56 57 57 53 54 53 53 53 44