AVALON PLEASURE PIER, CALIFORNIA

Monthly Total Heating Degree Days

(040395)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198812
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 66.50 65.00 48.50 105.00 206.25 b 383.50 874.75
1949 537.33 a 410.50 349.78 a 221.00 143.12 a 38.79 a 19.93 c 19.00 18.00 125.00 150.50 372.00 2404.96
1950 481.00 379.50 336.50 228.00 214.93 a 137.07 a 9.50 34.00 66.00 120.50 189.00 257.00 2453.00
1951 364.50 369.50 339.50 244.66 a 231.98 a 109.00 30.00 22.50 37.50 61.50 180.58 d 364.50 2355.72
1952 429.50 293.50 382.00 267.00 174.00 148.00 99.50 25.12 b 27.93 a 121.50 250.50 358.50 2577.05
1953 254.20 a 244.00 340.00 292.00 184.45 a 140.00 19.63 a 28.79 c 56.50 89.00 180.00 290.88 a 2119.45
1954 383.50 223.00 330.00 291.21 a 203.50 98.50 12.00 2.50 57.50 141.05 a 177.41 a 325.50 a 2245.67
1955 439.00 366.00 293.47 a 180.50 f 250.07 a 145.80 e 69.50 15.00 50.50 203.50 268.45 a 380.27 a 2481.55
1956 398.00 451.50 366.50 344.50 192.50 140.50 45.50 33.50 45.50 153.00 192.00 312.50 2675.50
1957 522.00 353.50 367.00 336.50 258.50 135.00 69.50 21.00 42.50 111.00 236.50 250.50 2703.50
1958 287.00 252.50 338.50 189.50 156.00 49.00 28.00 1.50 7.00 25.00 230.50 228.50 1793.00
1959 280.50 297.00 190.50 151.50 101.50 27.50 0.00 0.00 2.50 25.00 91.00 226.50 1393.50
1960 394.50 316.50 268.00 182.50 105.50 61.50 30.00 1.00 4.50 71.50 230.50 331.50 1997.50
1961 237.00 207.00 249.50 207.50 165.85 a 84.00 2.00 1.50 29.50 99.00 230.00 393.00 1905.85
1962 317.50 335.44 c 375.50 0.00 z 207.24 d 123.50 73.07 c 14.50 53.50 141.50 203.50 317.00 2162.25
1963 353.50 221.00 287.50 281.00 130.50 85.50 35.00 0.00 0.00 b 13.50 194.00 276.00 1877.50
1964 313.00 286.89 a 308.00 251.50 244.50 150.50 41.50 0.00 2.00 18.17 b 213.50 254.00 2083.57
1965 308.50 291.00 239.00 204.50 150.00 121.50 47.02 a 0.00 z 6.50 17.50 0.00 z 312.50 1698.02
1966 339.97 a 290.50 247.00 103.00 0.00 z 38.50 8.50 0.00 6.50 15.00 150.50 231.50 1430.97
1967 281.00 225.08 b 235.50 292.00 108.00 39.50 0.00 0.00 0.00 9.00 20.17 a 265.64 b 1475.89
1968 0.00 z 213.00 0.00 z 102.69 d 70.55 b 21.50 12.50 0.00 14.00 80.00 117.00 338.00 969.24
1969 265.50 363.50 313.50 142.50 126.50 24.00 0.00 z 0.50 20.00 102.00 0.00 z 306.00 1664.00
1970 257.50 181.00 386.00 242.50 208.50 151.00 61.00 56.00 127.00 169.00 302.50 431.50 2573.50
1971 458.50 355.50 366.00 311.00 255.00 177.00 36.00 0.00 25.00 163.50 264.00 424.00 2835.50
1972 439.50 339.00 247.50 217.50 145.50 27.50 2.00 5.00 28.00 56.50 236.00 346.00 2090.00
1973 380.00 264.00 347.50 259.00 211.50 109.50 0.00 z 14.50 39.00 129.50 265.50 294.50 2314.50
1974 396.00 291.50 331.00 231.00 180.50 58.50 25.00 22.00 14.48 a 97.00 189.00 349.00 2184.98
1975 380.50 347.50 245.00 j 80.00 v 204.50 126.00 51.50 33.00 14.50 99.00 211.50 364.50 1832.50
1976 286.50 271.00 260.00 216.50 86.00 9.00 0.00 0.00 3.50 25.00 83.00 182.50 1423.00
1977 245.00 168.00 255.75 a 101.50 71.00 15.50 3.74 b 0.00 1.00 9.00 93.50 144.00 1107.99
1978 196.00 194.00 103.00 97.00 12.00 0.00 0.00 0.00 0.00 12.00 197.50 350.50 1162.00
1979 300.50 290.00 196.00 83.50 43.92 a 1.50 1.50 0.00 0.00 a 23.52 b 116.00 197.00 1253.43
1980 161.50 111.00 141.00 56.50 49.00 15.50 0.00 a 0.00 c 0.00 z 0.00 z 0.00 z 211.00 745.50
1981 173.00 137.00 181.00 142.00 39.00 2.00 0.00 0.00 0.00 27.00 76.00 190.50 967.50
1982 270.50 178.50 208.50 149.00 104.00 98.00 19.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1028.00
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 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
1985 0.00 z 0.00 z 365.00 221.50 189.00 83.00 0.00 10.50 6.50 47.00 236.90 a 272.00 1431.40
1986 200.00 229.50 225.50 151.50 111.50 51.00 12.00 6.00 53.50 62.50 79.50 227.00 1409.50
1987 313.00 240.50 236.00 181.00 122.50 80.50 64.50 24.00 10.50 40.50 0.00 z 276.00 m 1313.00
1988 348.00 259.50 238.00 222.50 202.50 151.00 25.00 22.50 55.50 98.00 228.00 341.50 2192.00
1989 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
1990 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
1991 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
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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
2002 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
2003 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
2004 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
2005 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
2006 0.00 z 0.00 z 0.00 z 275.89 b 159.13 a 48.33 c 3.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 483.36
Period of Record Statistics
MEAN 333.14 276.97 284.58 208.12 153.01 80.10 27.59 12.94 26.35 78.57 185.02 300.02 1971.58
S.D. 93.95 77.90 72.76 74.33 65.50 53.28 26.79 16.41 27.15 53.83 66.52 71.19 546.22
SKEW 0.25 0.03 -0.49 -0.20 -0.29 0.05 0.81 1.41 1.47 0.34 -0.63 -0.21 -0.28
MAX 537.33 451.50 386.00 344.50 258.50 177.00 99.50 65.00 127.00 203.50 302.50 431.50 2835.50
MIN 161.50 111.00 103.00 56.50 12.00 0.00 0.00 0.00 0.00 9.00 20.17 144.00 967.50
NO YRS 36 37 36 36 38 39 37 37 37 37 34 37 26