WOODLAND HILLS PIERCE COLLEGE, CALIFORNIA

Monthly Total Heating Degree Days

(041484)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201108
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
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 2.50 5.50 143.00 132.00 475.00 758.00
1950 602.00 333.50 308.50 156.00 157.50 34.50 0.00 0.00 24.00 59.00 171.50 224.00 2070.50
1951 421.50 349.50 273.00 170.50 82.00 22.00 0.00 4.50 2.50 94.50 279.50 482.00 2181.50
1952 544.50 368.50 462.50 207.50 60.00 88.00 0.00 0.00 17.00 36.00 349.00 427.50 2560.50
1953 272.50 309.00 330.15 a 268.00 181.50 112.22 c 0.00 7.00 15.00 125.50 220.00 322.50 2163.37
1954 475.00 206.50 404.50 178.50 82.50 29.50 0.00 1.50 9.00 142.50 206.50 442.00 2178.00
1955 524.00 379.50 285.50 211.00 121.50 29.00 6.00 0.00 10.50 67.50 251.50 405.00 2291.00
1956 400.00 486.00 232.50 231.50 113.00 5.50 2.00 0.00 0.00 89.50 127.00 270.00 1957.00
1957 490.00 237.50 213.00 182.00 71.50 i 0.00 0.00 2.00 1.50 84.00 270.50 262.50 1743.00
1958 279.00 233.50 395.00 159.50 34.50 4.50 0.00 0.00 0.00 17.00 189.00 213.50 1525.50
1959 277.00 356.00 118.50 67.50 89.00 0.50 0.00 0.00 6.00 25.00 88.00 252.00 1279.50
1960 475.00 320.00 139.50 102.00 45.00 0.00 0.00 0.00 0.00 52.00 248.33 c 322.50 1704.33
1961 216.50 163.50 218.00 99.00 67.00 14.00 0.00 0.00 6.00 78.00 241.50 342.50 1446.00
1962 314.50 361.50 386.00 69.50 127.50 49.00 0.00 0.00 0.00 51.50 177.50 298.00 1835.00
1963 451.50 107.50 304.50 254.50 82.50 32.50 0.00 0.00 0.00 21.50 202.00 304.00 1760.50
1964 402.50 321.00 323.00 204.50 132.00 28.00 0.00 0.00 1.00 21.50 300.50 349.50 2083.50
1965 325.50 294.50 300.50 236.00 94.00 46.00 0.00 0.00 9.50 23.00 216.50 425.00 1970.50
1966 410.50 398.00 196.50 74.50 37.50 13.00 0.00 0.00 3.50 21.00 218.50 353.50 1726.50
1967 359.00 205.50 278.50 410.50 104.00 68.00 0.00 0.00 0.00 2.00 119.50 421.00 1968.00
1968 398.00 190.50 214.50 135.00 87.50 22.00 0.00 2.00 4.50 23.50 159.50 469.00 1706.00
1969 353.50 395.00 299.50 127.50 55.00 15.50 0.00 0.00 0.00 77.50 116.50 323.00 1763.00
1970 330.50 206.50 223.50 209.00 43.00 11.00 0.00 0.00 0.00 53.00 171.00 422.00 1669.50
1971 340.50 289.00 254.00 199.50 136.00 38.79 a 0.00 0.00 21.50 156.00 251.50 497.00 2183.79
1972 362.50 214.50 94.50 115.00 64.00 0.00 0.00 0.00 0.00 78.50 254.00 416.50 1599.50
1973 438.00 282.00 363.00 134.50 27.00 10.50 0.00 0.00 0.00 20.50 291.00 310.50 1877.00
1974 369.00 243.00 234.50 104.00 62.00 1.50 0.00 0.00 0.00 59.00 180.00 339.00 1592.00
1975 303.50 316.00 279.50 290.50 63.00 8.50 0.00 0.00 0.00 71.00 192.00 271.00 1795.00
1976 244.00 253.00 230.50 224.50 30.50 14.50 0.00 0.00 0.50 19.00 100.00 304.50 1421.00
1977 369.50 152.50 350.00 90.50 185.00 9.00 0.00 0.00 6.50 36.00 112.00 236.00 1547.00
1978 329.50 265.00 175.50 216.50 52.00 1.00 0.00 0.00 0.00 15.00 288.00 449.50 1792.00
1979 472.50 356.50 276.50 140.00 51.50 4.50 0.00 0.00 0.00 39.50 223.00 287.00 1851.00
1980 261.50 200.00 310.00 141.00 180.12 b 36.50 0.00 0.00 2.50 39.50 178.97 a 235.50 1585.59
1981 281.00 214.00 293.50 126.00 46.50 0.00 0.00 0.00 0.00 89.50 166.50 261.50 1478.50
1982 420.00 244.00 372.50 197.00 81.00 56.00 0.50 0.00 13.50 21.00 255.50 358.57 a 2019.57
1983 269.50 227.00 235.00 246.00 60.00 12.50 0.00 0.00 3.00 1.00 210.50 288.00 1552.50
1984 209.00 217.00 122.00 133.00 11.00 0.00 0.00 0.00 0.00 68.50 289.50 439.00 1489.00
1985 379.50 279.50 331.00 71.00 63.50 11.50 0.00 0.00 17.00 28.00 269.00 263.50 1713.50
1986 199.00 241.50 163.50 140.00 51.00 0.00 0.00 0.00 49.00 29.00 95.00 324.00 1292.00
1987 384.50 271.50 247.50 46.00 59.50 0.00 1.00 0.00 1.50 8.50 195.50 464.50 1680.00
1988 351.50 183.00 148.00 142.00 55.00 17.50 0.00 0.00 5.50 14.00 207.50 394.00 1518.00
1989 395.00 359.50 141.50 57.00 51.00 1.00 0.00 0.00 1.00 31.00 99.00 239.50 1375.50
1990 304.00 284.50 181.00 75.50 56.00 8.00 0.00 0.00 0.00 3.50 157.00 438.50 1508.00
1991 320.50 144.50 374.50 167.50 101.27 a 10.50 0.00 0.00 a 0.00 54.00 116.50 312.00 1601.27
1992 316.00 206.50 249.50 30.50 0.00 4.00 0.00 0.00 a 0.00 5.00 155.50 440.00 1407.00
1993 393.50 305.50 122.00 19.50 12.00 7.00 0.00 1.00 0.00 15.00 208.50 348.00 1432.00
1994 270.00 345.50 169.00 125.00 90.50 0.00 0.00 0.00 2.00 79.50 391.00 371.00 1843.50
1995 407.00 156.50 247.50 176.50 155.50 30.50 0.00 0.00 4.50 34.50 118.50 333.00 1664.00
1996 357.00 269.00 249.50 74.00 35.50 7.50 0.00 0.00 0.00 93.00 179.50 331.00 1596.00
1997 313.50 261.00 123.50 123.50 1.00 2.50 0.00 0.00 0.50 108.50 276.50 436.50 1647.00
1998 440.00 439.50 306.50 297.00 230.50 74.50 2.50 0.00 20.50 56.50 227.00 348.00 2442.50
1999 280.00 271.50 320.00 237.00 83.00 50.00 0.00 0.00 2.50 7.50 162.50 297.00 1711.00
2000 311.00 289.00 214.00 66.50 35.00 0.50 0.00 0.00 1.00 93.50 326.50 262.00 1599.00
2001 429.50 385.00 187.00 233.00 2.00 0.00 0.00 0.00 0.00 20.50 165.50 404.50 1827.00
2002 380.50 223.50 274.00 164.00 75.00 0.00 0.00 0.00 0.00 96.00 122.00 408.00 1743.00
2003 145.50 321.00 201.00 275.50 100.00 19.50 0.00 0.00 0.00 12.50 293.00 388.00 1756.00
2004 328.00 363.54 a 60.50 96.50 47.00 5.50 0.00 0.00 4.14 a 107.50 259.00 330.50 1602.17
2005 315.50 231.00 198.00 98.50 27.00 2.00 0.00 0.00 3.00 29.50 89.50 233.50 1227.50
2006 296.00 203.50 379.00 195.00 14.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1088.00
2007 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
2008 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
2009 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
2010 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
2011 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
Period of Record Statistics
MEAN 356.31 276.00 252.39 158.30 74.86 18.77 0.21 0.36 4.83 51.74 202.85 348.54 1741.98
S.D. 88.33 79.05 87.61 77.05 50.06 24.14 0.90 1.19 8.55 39.33 70.70 77.35 288.12
SKEW 0.29 0.28 0.04 0.59 0.98 1.87 5.30 4.08 3.01 0.80 0.31 0.11 0.71
MAX 602.00 486.00 462.50 410.50 230.50 112.22 6.00 7.00 49.00 156.00 391.00 497.00 2560.50
MIN 145.50 107.50 60.50 19.50 0.00 0.00 0.00 0.00 0.00 1.00 88.00 213.50 1227.50
NO YRS 57 57 57 57 56 57 57 57 57 57 57 57 55