RAMONA FIRE DEPT, CALIFORNIA

Monthly Total Heating Degree Days

(047228)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200809
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
1974 0.00 z 396.00 338.50 273.00 121.93 a 6.21 a 0.50 0.00 0.00 141.00 197.50 454.00 1928.64
1975 340.00 398.00 430.00 413.50 147.50 47.00 0.00 7.00 2.50 156.00 205.50 335.50 2482.50
1976 286.00 306.50 334.00 313.50 81.50 42.00 2.00 7.50 14.50 71.00 166.00 352.50 1977.00
1977 434.00 247.50 465.50 209.50 251.00 18.00 0.00 0.00 10.00 42.92 e 128.00 327.00 2133.42
1978 352.00 320.00 249.00 283.50 110.00 9.00 0.00 6.00 9.00 23.00 287.00 475.00 2123.50
1979 473.50 350.50 336.00 216.00 108.50 8.50 4.50 3.50 1.50 109.00 298.00 283.81 b 2193.31
1980 324.00 91.00 l 0.00 z 229.04 d 243.23 e 33.89 c 0.00 e 0.00 a 6.00 59.00 164.00 210.50 1269.66
1981 281.58 a 205.50 332.22 a 150.50 87.12 b 0.00 0.00 d 0.00 b 2.50 121.70 d 188.89 c 273.00 1643.01
1982 462.50 346.00 348.00 174.00 109.00 70.00 2.00 0.00 26.50 56.50 312.50 473.00 2380.00
1983 393.00 379.00 364.00 352.00 138.00 48.50 0.00 0.00 2.00 33.50 0.00 z 423.50 2133.50
1984 345.00 0.00 z 265.00 0.00 z 51.00 18.50 0.00 0.00 0.00 z 132.50 324.50 466.50 1603.00
1985 448.50 344.50 399.50 123.50 117.50 25.00 0.00 0.00 32.50 74.50 328.50 311.00 2205.00
1986 224.00 284.00 253.00 223.00 94.50 1.00 0.00 a 0.00 79.50 110.00 191.50 410.00 1870.50
1987 465.50 373.50 362.50 118.00 89.50 9.00 4.00 2.00 7.50 35.50 263.00 519.50 2249.50
1988 397.50 240.50 258.00 204.00 113.00 45.50 0.00 0.00 33.50 45.00 245.00 429.50 2011.50
1989 459.50 384.50 264.50 118.50 114.50 29.50 0.00 0.50 18.00 74.00 141.00 306.50 1911.00
1990 392.00 409.00 311.00 148.00 126.00 20.50 0.00 0.00 a 3.00 9.00 206.00 449.00 2073.50
1991 408.00 215.00 437.00 222.50 153.50 52.50 1.00 0.00 z 6.00 0.00 z 188.00 391.00 2074.50
1992 376.50 280.00 344.00 94.50 16.00 13.50 0.00 z 0.00 z 0.00 44.50 177.00 472.50 1818.50
1993 391.50 338.50 211.50 129.00 43.00 24.50 3.50 1.00 0.00 z 0.00 z 259.00 446.00 1847.50
1994 354.00 402.00 0.00 z 225.50 172.00 2.00 0.00 0.00 4.00 111.00 443.00 458.50 2172.00
1995 429.50 216.50 326.50 293.50 207.50 56.50 0.00 0.00 4.00 46.00 135.00 399.00 2114.00
1996 393.50 310.50 318.50 163.00 61.00 0.50 0.00 0.00 0.00 z 157.50 227.50 380.50 2012.50
1997 395.50 411.00 235.50 222.00 6.50 15.00 0.00 0.00 0.00 92.50 0.00 z 468.00 1846.00
1998 413.50 420.50 348.00 305.50 218.00 74.50 0.00 z 0.00 35.00 0.00 z 0.00 z 445.50 2260.50
1999 369.00 373.00 430.50 331.50 132.78 a 52.00 0.00 b 1.03 a 8.89 c 16.02 a 213.50 364.80 c 2293.03
2000 323.36 b 321.15 b 361.09 d 165.50 56.46 c 0.00 h 4.13 a 0.00 a 5.69 a 138.95 c 373.50 330.50 2080.34
2001 504.50 444.89 a 312.00 310.00 43.50 6.11 c 0.00 0.00 a 1.67 c 37.20 a 250.38 d 486.50 2396.75
2002 465.50 316.50 373.00 69.00 t 0.00 z 0.00 z 0.00 z 0.00 13.50 155.50 164.00 472.50 1960.50
2003 250.00 347.00 311.00 333.00 152.86 b 0.00 z 0.00 0.00 0.00 0.00 f 309.50 449.50 2152.86
2004 431.02 e 455.00 151.56 d 171.00 57.50 8.50 1.50 0.00 6.96 b 107.35 d 348.00 384.50 2122.89
2005 407.50 291.00 f 335.04 e 229.82 b 88.00 28.00 0.00 h 0.00 7.00 80.50 130.50 h 346.50 1522.36
2006 401.50 305.50 0.00 z 276.00 51.67 d 0.00 e 0.00 0.00 1.20 e 88.50 170.00 389.50 1683.87
2007 527.00 260.50 f 225.02 b 107.00 p 26.00 j 14.50 0.00 0.00 9.00 e 34.58 e 81.00 433.00 1324.09
2008 442.00 373.00 298.50 144.50 130.50 9.00 0.00 0.00 1.50 p 0.00 z 0.00 z 0.00 z 1397.50
Period of Record Statistics
MEAN 393.00 339.19 322.79 223.95 111.96 24.66 0.75 0.86 11.34 80.14 232.88 400.53 2128.26
S.D. 69.45 67.45 70.32 80.36 60.13 21.43 1.41 2.06 16.15 45.27 82.64 72.60 209.44
SKEW -0.48 -0.39 -0.16 0.36 0.55 0.75 1.71 2.42 2.75 0.26 0.53 -0.65 -0.42
MAX 527.00 455.00 465.50 413.50 251.00 74.50 4.50 7.50 79.50 157.50 443.00 519.50 2482.50
MIN 224.00 205.50 151.56 94.50 6.50 0.00 0.00 0.00 0.00 9.00 81.00 210.50 1643.01
NO YRS 34 31 32 32 33 32 31 33 31 30 30 34 17