PARKER RESERVOIR, CALIFORNIA

Monthly Total Heating Degree Days

(046699)

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
1943 1.50 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 b 0.00 0.00 7.50 183.00 427.50 618.00
1949 678.00 366.50 119.50 27.00 0.00 0.00 0.00 0.00 0.00 43.50 17.50 393.00 1645.00
1950 475.50 141.50 69.00 5.50 4.50 0.00 0.00 0.00 0.00 0.00 63.00 152.00 911.00
1951 373.50 232.50 117.50 16.50 11.00 0.00 0.00 0.00 0.00 14.50 151.00 443.50 1360.00
1952 477.00 266.50 281.00 10.50 0.00 a 0.00 0.00 0.00 0.00 0.00 226.50 368.50 1630.00
1953 229.83 b 230.00 96.00 31.00 3.50 0.00 0.00 0.00 0.00 7.00 110.50 376.50 1084.33
1954 370.00 63.00 156.00 1.00 0.50 0.00 0.00 0.00 0.00 6.00 23.00 371.50 991.00
1955 491.50 352.50 99.50 33.00 6.00 0.00 0.00 0.00 0.00 0.00 124.50 242.00 1349.00
1956 244.00 349.50 100.00 34.50 0.00 0.00 0.00 0.00 0.00 25.00 173.00 304.00 1230.00
1957 366.50 102.50 40.00 26.50 0.00 0.00 0.00 0.00 0.00 7.00 202.50 287.00 1032.00
1958 297.50 138.00 179.50 47.50 0.00 b 0.00 b 0.00 0.00 0.00 1.50 139.00 178.00 981.00
1959 273.00 265.00 34.50 0.00 d 2.00 0.00 0.00 0.00 0.00 c 16.00 81.00 318.00 989.50
1960 478.50 309.87 b 58.50 13.00 0.00 j 0.00 0.00 0.00 a 0.00 1.50 109.00 362.50 1332.87
1961 294.00 141.50 89.50 3.00 0.00 0.00 0.00 0.00 0.00 18.00 163.50 381.00 1090.50
1962 378.50 195.00 209.50 0.00 3.00 0.00 0.00 0.00 0.00 0.00 a 43.50 249.00 1078.50
1963 458.00 87.00 98.50 52.00 0.00 0.00 0.00 0.00 0.00 1.50 109.00 350.50 1156.50
1964 453.00 308.00 196.00 56.00 26.50 0.00 0.00 0.00 0.00 0.00 212.50 289.50 1541.50
1965 292.50 189.00 129.00 91.00 2.00 0.00 0.00 0.00 0.00 3.50 74.50 365.50 1147.00
1966 442.50 317.50 91.50 4.00 0.00 0.00 0.00 0.00 0.00 1.50 82.50 292.50 1232.00
1967 339.00 143.00 59.50 67.50 2.00 0.00 0.00 0.00 0.00 0.00 42.00 437.50 1090.50
1968 331.50 98.50 52.00 14.50 2.00 0.00 0.00 0.00 0.00 0.00 70.50 444.50 1013.50
1969 242.00 265.00 165.00 2.50 6.50 0.00 0.00 0.00 0.00 5.50 72.50 257.50 1016.50
1970 369.50 111.00 110.50 52.50 0.00 0.00 0.00 0.00 0.00 18.00 68.50 375.00 1105.00
1971 371.50 187.50 121.50 26.50 6.00 0.00 0.00 0.00 0.00 77.50 157.50 407.50 1355.50
1972 399.00 163.50 24.00 17.50 0.00 0.00 0.00 0.00 0.00 28.50 206.00 439.00 1277.50
1973 450.50 229.50 229.00 25.00 4.00 0.00 0.00 0.00 0.00 0.00 161.50 261.00 1360.50
1974 418.00 220.00 77.50 7.00 0.00 0.00 0.00 0.00 0.00 13.50 65.50 392.00 1193.50
1975 385.00 259.00 171.00 100.50 4.50 0.00 0.00 0.00 0.00 13.00 135.00 261.50 1329.50
1976 297.00 135.00 119.50 65.50 0.00 0.00 0.00 0.00 0.00 2.00 98.50 341.00 1058.50
1977 370.00 131.00 193.00 45.50 2.50 0.00 0.00 0.00 0.00 0.00 58.00 166.00 966.00
1978 344.50 218.00 78.00 32.50 4.50 0.00 0.00 0.00 0.00 0.50 186.00 498.50 1362.50
1979 553.50 290.50 128.50 18.00 3.50 0.00 0.00 c 0.00 0.00 8.00 165.50 289.00 1456.50
1980 265.50 154.00 119.00 29.50 3.00 0.00 0.00 0.00 0.00 7.00 111.00 155.00 a 844.00
1981 184.50 143.50 92.50 4.50 0.00 0.00 0.00 0.00 0.00 7.50 74.50 253.50 760.50
1982 389.50 173.00 98.50 16.50 0.00 0.00 0.00 0.00 0.00 5.00 168.50 416.50 1267.50
1983 325.50 166.00 97.00 49.50 0.00 0.00 0.00 0.00 0.00 0.00 138.50 295.00 1071.50
1984 290.50 197.00 36.00 24.00 0.00 0.00 0.00 0.00 0.00 27.00 178.50 438.00 1191.00
1985 413.50 272.50 113.00 6.00 0.00 0.00 0.00 0.00 0.00 1.00 194.00 307.50 1307.50
1986 164.00 179.50 64.50 11.50 0.00 0.00 0.00 0.00 5.50 0.00 102.50 364.00 891.50
1987 435.00 166.00 113.50 9.00 0.00 0.00 0.00 0.00 0.00 2.50 127.00 482.50 1335.50
1988 390.50 171.50 102.00 22.50 4.00 0.00 0.00 0.00 0.00 0.00 153.50 347.50 1191.50
1989 401.50 240.00 43.00 1.00 0.00 0.00 0.00 0.00 0.00 10.50 57.50 301.50 1055.00
1990 395.00 283.00 78.00 0.00 0.00 0.00 0.00 0.00 0.00 2.00 99.50 492.50 1350.00
1991 380.00 60.00 211.50 10.00 0.00 0.00 0.00 0.00 0.00 38.00 142.00 350.00 1191.50
1992 360.50 119.50 74.50 3.00 0.00 0.00 0.00 0.00 0.00 0.00 178.50 458.50 1194.50
1993 368.00 245.50 68.00 1.50 0.00 0.00 0.00 0.00 0.00 2.00 177.00 350.00 1212.00
1994 298.50 270.00 39.50 15.00 0.00 0.00 0.00 0.00 0.00 3.00 253.00 348.50 1227.50
1995 337.50 71.00 97.50 44.00 10.00 0.00 0.00 0.00 0.00 0.00 19.00 228.00 807.00
1996 249.50 110.00 53.00 0.00 0.00 0.00 0.00 0.00 0.00 49.50 76.50 265.50 804.00
1997 286.00 187.00 44.50 31.00 0.00 0.00 a 0.00 0.00 0.00 3.50 76.00 401.00 1029.00
1998 289.50 293.50 111.08 a 66.50 0.00 0.00 z 0.00 a 0.00 0.00 0.00 z 85.50 342.50 1188.58
1999 0.00 z 0.00 z 46.00 101.90 a 7.50 0.00 0.00 0.00 0.00 c 4.13 a 64.14 a 308.45 a 532.12
2000 196.85 a 115.48 a 85.25 a 0.50 0.00 0.00 0.00 z 0.00 0.00 a 11.50 217.00 227.00 853.58
2001 364.77 a 244.50 81.50 46.50 0.00 0.00 0.00 0.00 0.00 0.00 58.50 388.50 1184.27
2002 327.00 152.00 100.00 0.00 0.00 0.00 z 0.00 0.00 0.00 1.00 0.00 z 311.50 891.50
2003 116.00 196.00 69.00 21.50 0.00 0.00 0.00 0.00 0.00 0.00 143.50 314.00 860.00
2004 307.50 264.00 37.50 2.50 0.00 0.00 0.00 0.00 0.00 24.00 177.50 313.00 1126.00
2005 287.50 189.00 67.00 6.50 0.00 0.00 0.00 0.00 0.00 0.00 74.50 307.00 931.50
2006 288.00 129.50 147.50 8.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 573.50
Period of Record Statistics
MEAN 351.87 198.24 103.18 25.17 2.09 0.00 0.00 0.00 0.09 9.12 121.47 336.02 1151.29
S.D. 97.13 77.15 54.11 25.72 4.23 0.00 0.00 0.00 0.72 14.64 58.35 82.99 202.55
SKEW 0.39 0.24 1.07 1.30 3.77 0.00 0.00 0.00 7.42 2.61 0.17 -0.20 0.29
MAX 678.00 366.50 281.00 101.90 26.50 0.00 0.00 0.00 5.50 77.50 253.00 498.50 1645.00
MIN 116.00 60.00 24.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17.50 152.00 760.50
NO YRS 57 57 58 58 57 55 57 58 58 57 57 58 52