SAN RAFAEL CIVIC CENTER, CALIFORNIA

Monthly Total Heating Degree Days

(047880)

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 40.00 13.50 58.50 98.68 a 276.50 590.50 1077.68
1949 693.00 492.59 a 362.50 181.00 137.00 28.89 c 29.00 18.00 g 27.00 167.50 153.00 532.50 2803.98
1950 616.50 395.00 366.50 178.00 144.50 h 96.21 a 20.50 24.00 28.50 89.50 169.00 366.00 2349.71
1951 494.00 382.00 326.00 308.50 133.50 70.50 34.00 i 42.00 48.00 92.50 284.00 525.45 a 2706.45
1952 575.50 402.00 404.15 d 223.00 120.50 119.00 6.72 a 19.00 10.18 b 106.00 324.11 b 453.50 2763.65
1953 266.00 g 329.28 c 346.50 293.50 184.00 h 110.77 d 12.18 c 31.50 9.11 b 96.00 283.50 373.55 a 1885.89
1954 478.20 d 352.00 414.00 191.50 129.50 74.50 5.50 48.00 41.00 122.50 293.57 b 556.50 2706.78
1955 608.00 395.50 278.00 h 275.50 f 135.00 74.48 a 30.47 b 66.00 68.50 124.00 344.50 451.00 2297.45
1956 491.50 480.92 e 0.00 z 0.00 z 149.66 b 27.00 h 15.00 g 10.50 17.00 162.50 244.00 479.50 2035.57
1957 567.00 338.00 314.00 157.20 e 142.00 20.00 16.50 17.50 10.00 117.28 a 342.93 a 0.00 z 2042.41
1958 467.14 b 281.50 430.50 207.00 77.00 17.00 9.00 0.00 3.50 55.80 a 231.50 298.00 2077.94
1959 382.33 a 383.00 194.00 133.00 117.50 21.50 6.50 24.00 14.50 33.50 208.50 383.00 1901.33
1960 467.30 d 340.50 262.43 b 220.00 89.50 h 35.00 8.02 b 14.50 46.50 86.50 346.11 c 468.50 2295.36
1961 552.50 293.00 349.50 201.21 a 206.00 20.50 3.74 b 0.50 18.50 103.50 295.00 523.50 2567.45
1962 506.50 384.00 394.00 171.00 183.50 62.00 32.55 a 0.00 z 23.50 j 85.50 218.50 429.00 2466.55
1963 554.50 183.00 357.00 316.00 147.50 65.00 c 17.71 c 19.38 c 4.50 f 88.98 d 229.00 g 475.00 g 1749.07
1964 420.50 f 338.72 d 288.00 f 265.38 d 206.50 72.78 c 26.50 11.00 57.00 50.50 364.00 406.62 a 1799.00
1965 492.26 b 324.00 331.50 144.50 s 180.04 e 106.50 27.26 b 3.21 b 65.50 20.15 a 240.50 581.77 a 2372.68
1966 443.41 c 387.50 325.00 118.50 107.98 a 36.50 26.35 a 6.95 b 13.33 c 44.00 266.38 a 454.67 a 2230.57
1967 424.70 a 341.70 a 349.50 424.00 114.50 75.50 3.88 c 1.55 a 0.00 c 21.00 172.00 460.57 c 2388.90
1968 485.31 b 237.70 a 223.00 148.39 b 141.05 a 25.34 a 5.50 3.74 b 12.12 d 74.40 a 273.75 b 502.20 a 2132.50
1969 541.50 420.00 a 297.50 238.93 b 60.93 b 48.21 b 3.10 a 2.50 13.93 b 97.50 195.50 315.54 c 2235.14
1970 366.32 a 233.33 a 202.53 a 264.83 a 96.50 41.90 a 12.50 33.50 17.00 g 142.50 241.50 478.84 c 2114.25
1971 460.02 c 357.30 e 308.97 a 248.50 146.22 a 51.50 6.41 b 2.00 31.11 c 153.34 c 278.33 c 538.88 a 2582.59
1972 558.60 e 311.48 b 179.80 a 193.00 118.00 34.20 e 6.00 1.50 31.07 b 75.50 326.90 a 615.72 b 2451.77
1973 486.38 b 309.50 365.28 a 142.00 85.50 8.50 j 14.00 n 17.10 b 16.00 72.33 a 291.96 b 401.40 b 2187.46
1974 427.28 a 344.50 282.10 a 199.14 a 83.00 j 28.97 a 10.16 b 12.00 41.00 113.50 308.50 477.40 a 2244.54
1975 498.00 386.50 360.50 337.24 a 129.88 b 76.61 b 38.75 a 12.73 c 60.00 a 171.50 262.50 f 391.50 2463.21
1976 431.93 a 348.50 339.00 291.00 171.00 65.50 4.50 8.00 15.00 62.00 180.50 416.00 2332.93
1977 533.00 269.00 400.93 a 176.00 239.98 b 50.50 1.66 c 1.03 a 28.50 83.00 226.55 a 366.00 2376.16
1978 0.00 z 303.50 195.00 261.50 70.00 18.00 6.00 8.00 6.00 62.50 323.28 a 539.50 1793.28
1979 476.37 a 391.50 253.50 185.00 71.50 26.90 a 6.72 a 3.74 b 0.54 b 56.50 281.00 362.50 2115.76
1980 414.00 270.50 270.00 186.00 168.50 112.76 a 19.12 a 0.00 z 1.55 a 72.50 177.00 372.00 2063.93
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 111.08 a 61.07 b 7.20 c 3.74 b 4.44 c 117.50 f 388.20 e 573.50 c 1149.24
1985 656.54 c 349.00 431.86 b 154.66 a 173.00 7.20 e 22.50 14.00 83.00 155.00 434.50 652.55 a 3133.80
1986 433.40 e 302.50 235.00 229.50 130.00 48.00 23.00 12.00 111.50 103.00 252.50 540.00 2420.40
1987 538.50 351.00 372.00 144.31 a 131.50 55.00 41.73 e 19.50 31.00 0.00 z 303.62 a 490.50 2478.66
1988 503.50 283.00 218.50 182.00 162.00 51.00 5.50 13.00 29.50 94.50 296.50 478.50 2317.50
1989 556.50 474.50 308.00 147.00 131.00 55.00 9.50 0.00 z 52.50 128.00 272.50 568.00 2702.50
1990 498.50 458.00 330.00 170.69 a 161.20 a 29.48 a 2.50 8.00 0.50 51.50 309.00 640.50 2659.87
1991 0.00 z 282.00 432.00 255.00 a 234.00 110.50 19.50 20.50 24.50 86.50 256.50 511.50 a 2232.50
1992 604.00 294.50 277.50 134.00 41.16 b 77.07 a 7.75 c 8.50 33.00 81.12 a 276.43 b 580.50 2415.52
1993 634.98 a 445.00 301.50 246.00 216.00 63.50 g 20.31 b 16.53 a 25.50 m 67.96 e 340.00 574.53 a 2862.82
1994 499.50 454.00 285.50 232.00 173.50 62.00 53.50 6.20 a 16.03 a 139.00 481.00 612.50 3014.73
1995 421.50 334.92 b 377.50 276.50 210.80 a 102.41 a 6.50 11.00 11.50 89.50 198.50 400.50 2441.14
1996 480.50 347.50 300.00 221.50 156.11 c 67.50 9.50 26.00 61.50 133.50 298.45 a 426.00 2528.06
1997 508.00 348.38 b 276.00 191.00 45.50 45.00 b 12.52 e 10.16 b 9.64 b 20.50 w 297.50 530.32 c 2274.02
1998 468.62 a 400.50 332.00 272.50 244.00 86.00 18.60 a 10.50 49.50 129.17 a 348.00 587.00 2946.38
1999 566.00 440.50 450.50 284.50 255.00 85.00 45.47 a 15.50 26.50 84.22 a 273.50 460.50 2987.18
2000 448.00 378.55 a 312.50 198.10 a 135.88 a 55.00 43.00 m 23.54 d 28.97 a 176.50 433.97 a 482.00 2673.01
2001 537.85 a 426.00 273.50 334.14 a 55.00 49.50 36.50 27.50 56.50 107.47 a 282.00 461.38 a 2647.34
2002 563.00 384.50 385.00 269.50 196.50 71.00 24.50 42.00 42.00 161.50 295.00 442.50 2877.00
2003 419.00 348.00 285.00 380.50 172.00 70.50 10.00 8.50 15.50 29.00 p 366.50 245.50 o 2075.50
2004 363.50 f 180.50 p 61.50 w 10.00 z 0.00 z 0.00 z 5.00 z 4.50 z 3.50 z 0.00 z 265.50 h 493.00 493.00
2005 586.00 345.00 275.50 282.50 141.00 101.50 7.50 29.00 94.00 133.50 267.50 440.00 2703.00
2006 458.50 371.00 509.00 298.50 130.00 44.48 a 9.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1811.48
Period of Record Statistics
MEAN 507.66 355.21 323.47 227.29 143.86 59.24 16.54 15.69 31.50 98.50 285.27 481.87 2516.87
S.D. 71.22 64.75 72.19 67.64 51.49 28.66 12.90 13.47 25.49 39.19 68.33 84.31 311.37
SKEW 0.41 -0.08 0.10 0.65 0.10 0.30 1.01 1.53 1.05 0.15 0.43 -0.02 0.15
MAX 693.00 492.59 509.00 424.00 255.00 119.00 53.50 66.00 111.50 176.50 481.00 652.55 3133.80
MIN 366.32 183.00 179.80 118.50 41.16 7.20 1.66 0.00 0.00 20.15 153.00 298.00 1901.33
NO YRS 49 53 50 50 50 51 50 50 50 50 52 52 27