SANTA ROSA, CALIFORNIA

Monthly Total Cooling Degree Days

(047965)

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
1931 0.00 e 0.00 0.00 3.50 43.00 62.00 166.00 62.00 20.50 4.00 0.00 0.00 361.00
1932 0.00 0.00 0.00 0.00 10.00 49.50 49.50 39.00 67.00 6.50 5.50 0.00 227.00
1933 0.00 0.00 0.00 2.50 10.00 5.00 72.50 50.00 27.00 50.50 0.00 0.00 217.50
1934 0.00 0.00 0.00 0.00 19.00 39.50 48.50 63.50 70.00 12.00 0.00 0.00 252.50
1935 0.00 0.00 0.00 1.00 24.00 89.00 83.50 93.50 48.00 12.00 0.00 0.00 a 351.00
1936 0.00 0.00 0.00 4.00 32.50 69.00 159.50 111.50 110.00 42.50 1.00 0.00 530.00
1937 0.00 0.00 0.00 0.00 7.00 65.00 103.00 94.00 72.50 17.50 0.00 0.00 359.00
1938 0.00 0.00 0.00 2.00 1.50 31.00 48.50 66.00 74.00 5.50 0.00 0.00 228.50
1939 0.00 0.00 0.00 4.50 39.00 45.00 88.50 69.50 140.50 28.00 0.00 0.00 415.00
1940 0.00 0.00 0.00 3.50 1.00 35.00 53.50 61.00 19.50 19.00 0.00 0.00 192.50
1941 0.00 0.00 2.00 0.00 24.00 32.50 95.00 66.50 56.50 32.00 3.00 0.00 311.50
1942 0.00 0.00 0.00 0.00 21.00 35.50 89.50 53.50 30.50 16.50 0.00 0.00 246.50
1943 0.00 0.00 0.00 0.00 41.00 26.50 62.00 48.50 87.00 24.00 0.00 0.00 289.00
1944 0.00 0.00 1.00 0.00 7.50 16.50 9.50 66.00 92.00 5.50 0.00 a 0.00 198.00
1945 0.00 0.00 0.00 3.50 1.00 112.50 75.50 70.50 82.50 13.00 2.50 0.00 361.00
1946 0.00 0.00 0.00 1.00 0.50 29.00 88.00 47.00 62.00 15.50 0.00 0.00 243.00
1947 0.00 0.00 0.00 18.50 11.50 79.00 59.50 52.50 83.00 21.50 0.00 0.00 325.50
1948 0.00 0.00 0.00 0.00 0.00 33.00 65.50 47.50 48.00 5.00 0.00 0.00 199.00
1949 0.00 0.00 0.00 0.00 7.00 52.50 32.00 32.00 72.00 8.50 0.00 0.00 204.00
1950 0.00 a 0.00 0.00 0.00 27.00 31.50 47.00 126.00 80.00 17.00 11.50 0.00 340.00
1951 0.00 0.00 0.00 0.00 21.50 12.50 51.00 55.00 42.50 15.00 0.00 0.00 197.50
1952 0.00 0.00 4.00 0.00 26.50 9.00 69.75 a 53.50 100.00 36.50 0.00 0.00 299.25
1953 0.00 0.00 0.00 0.00 1.00 32.00 82.00 50.50 96.00 19.00 0.00 j 0.00 280.50
1954 0.00 0.00 0.00 6.50 5.00 71.00 104.00 25.00 54.50 11.50 0.00 0.00 277.50
1955 0.00 0.00 0.00 0.00 14.00 31.00 73.50 66.50 77.00 8.50 0.50 0.00 271.00
1956 0.00 0.00 0.00 1.00 12.00 66.00 51.00 65.00 52.50 0.00 0.00 0.00 247.50
1957 0.00 0.00 0.00 6.00 11.00 111.00 100.00 76.50 77.50 0.00 0.00 0.00 382.00
1958 0.00 0.00 0.00 0.50 9.00 56.50 60.00 134.50 158.50 46.50 2.00 0.00 467.50
1959 0.00 0.00 0.00 5.50 18.50 118.50 120.50 83.00 63.00 59.50 0.00 0.00 468.50
1960 0.00 0.00 0.00 3.00 6.50 116.90 a 88.35 a 56.50 59.00 7.46 d 0.00 0.00 337.71
1961 0.00 0.00 0.00 9.50 0.00 100.00 159.50 98.50 66.00 41.00 0.00 0.00 c 474.50
1962 6.50 0.00 0.00 6.96 b 7.50 57.50 23.00 95.00 36.50 7.00 0.00 0.00 239.96
1963 0.00 0.00 0.00 0.00 6.50 22.50 60.50 99.00 113.00 6.50 0.00 0.00 308.00
1964 0.00 0.00 0.00 2.00 0.00 48.50 87.00 106.00 90.50 42.50 0.00 0.00 376.50
1965 0.00 0.00 0.00 16.50 0.50 9.50 42.00 131.00 0.00 z 41.00 0.00 0.00 240.50
1966 0.00 0.00 0.00 11.00 1.50 112.50 49.00 105.00 86.00 22.50 0.00 0.00 387.50
1967 0.00 0.00 0.00 0.00 23.50 23.00 108.50 134.50 155.50 33.00 5.00 0.00 483.00
1968 0.00 0.00 0.00 14.00 21.50 98.00 121.00 116.00 113.00 2.00 0.50 0.00 486.00
1969 0.00 0.00 2.50 0.00 35.00 31.50 98.50 179.50 116.50 13.50 0.00 0.00 477.00
1970 0.00 0.00 15.50 0.00 68.00 29.00 89.00 85.00 132.00 16.50 0.00 0.00 435.00
1971 0.00 0.00 0.00 0.00 0.00 60.00 87.50 172.00 153.00 28.00 0.00 0.00 500.50
1972 0.00 0.00 1.00 0.00 16.00 54.00 137.50 115.00 29.50 13.00 0.00 0.00 366.00
1973 0.00 0.00 0.00 1.00 32.00 156.00 104.50 41.00 67.50 4.00 0.00 0.00 406.00
1974 0.00 0.00 0.00 1.50 23.00 72.00 139.50 113.50 95.00 39.50 0.00 0.00 484.00
1975 0.00 0.00 0.00 0.00 56.00 39.00 103.00 99.00 68.00 7.50 0.00 0.00 372.50
1976 0.00 0.00 0.00 0.00 29.00 159.00 128.00 103.00 81.50 43.00 0.00 0.00 543.50
1977 0.00 0.00 0.00 0.00 7.50 103.00 129.00 150.50 78.00 18.00 0.00 0.00 486.00
1978 0.00 0.00 0.00 z 0.50 65.50 65.00 114.00 121.79 c 146.50 88.87 a 0.00 z 0.00 a 602.15
1979 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 113.50 63.07 b 175.50 27.50 0.00 0.00 a 379.57
1980 0.00 0.00 0.00 0.00 3.50 27.50 87.50 33.07 a 48.00 67.50 0.00 0.00 267.07
1981 0.00 0.00 0.00 26.50 19.00 220.00 71.00 107.00 51.50 9.82 a 0.00 0.00 b 504.82
1982 0.00 0.00 b 0.00 1.00 18.00 8.00 85.50 113.00 90.50 26.50 0.00 0.00 342.50
1983 0.00 0.00 0.00 0.00 22.50 68.50 148.50 153.00 166.50 38.00 0.00 0.00 597.00
1984 2.00 0.00 2.00 1.00 74.00 59.50 132.00 85.50 199.00 14.50 0.00 0.00 569.50
1985 0.00 2.50 0.00 10.00 0.00 77.50 78.50 24.00 15.50 28.42 a 2.00 0.00 238.42
1986 0.00 0.00 0.00 0.00 0.50 31.00 30.00 5.00 6.00 3.50 0.00 0.00 76.00
1987 0.00 0.00 0.00 0.00 44.00 16.50 23.00 18.50 13.00 49.00 0.00 0.00 i 164.00
1988 0.00 0.50 6.50 10.00 27.00 84.00 158.00 79.50 77.00 46.50 1.50 1.00 491.50
1989 0.00 0.00 0.00 41.50 21.00 80.00 120.00 61.50 31.50 27.00 0.00 0.00 382.50
1990 0.00 0.00 0.00 8.50 24.00 99.50 65.00 111.00 101.50 51.00 0.00 0.00 460.50
1991 0.00 0.00 0.00 1.00 6.50 24.50 56.50 54.50 73.00 106.00 3.00 0.00 325.00
1992 0.00 0.00 0.00 8.00 39.00 15.50 78.50 94.00 89.00 59.00 5.50 0.00 388.50
1993 0.00 0.00 0.00 9.50 17.00 168.00 122.00 146.00 78.00 32.50 0.00 0.00 573.00
1994 0.00 0.00 5.50 0.00 11.00 66.00 24.50 117.00 60.00 22.00 0.00 0.00 306.00
1995 0.00 0.00 0.00 0.00 0.50 66.50 134.00 122.00 84.00 61.50 3.50 0.00 472.00
1996 0.00 0.00 3.50 23.00 49.00 97.00 98.50 144.50 51.00 70.50 0.00 0.00 537.00
1997 0.00 0.00 2.50 2.50 86.50 96.00 100.00 106.50 158.00 31.50 18.00 0.00 601.50
1998 0.00 0.00 0.00 0.00 z 0.00 32.50 97.50 177.50 123.00 21.00 0.00 0.00 451.50
1999 0.00 0.00 0.00 13.00 7.00 49.50 79.00 100.00 76.50 60.50 0.00 0.00 385.50
2000 0.00 0.00 13.00 0.00 z 0.00 z 76.50 48.00 98.50 126.72 a 11.50 0.00 0.00 374.22
2001 0.00 0.00 0.00 z 0.00 z 0.00 z 138.50 61.00 93.50 40.50 57.00 0.00 0.00 390.50
2002 0.00 0.00 0.00 6.50 12.50 100.50 95.50 95.00 117.00 42.50 4.00 0.00 473.50
2003 0.00 0.00 0.00 e 0.00 19.00 81.72 a 105.00 99.00 111.50 43.00 0.00 0.00 459.22
2004 0.00 0.00 11.00 17.50 8.00 56.00 51.00 115.50 147.50 35.00 0.00 0.00 441.50
2005 0.00 0.00 5.00 0.00 5.00 20.50 101.00 63.00 33.50 15.50 3.00 0.00 246.50
2006 0.00 0.00 0.00 0.00 12.50 78.62 a 79.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 91.12
Period of Record Statistics
MEAN 0.11 0.04 1.03 4.29 18.80 63.24 85.89 87.09 82.37 27.81 0.99 0.01 369.63
S.D. 0.78 0.29 2.89 7.38 18.90 41.90 35.73 38.26 42.09 21.52 2.75 0.12 118.82
SKEW 7.64 8.05 3.50 2.68 1.51 1.15 0.19 0.28 0.56 1.14 4.28 8.43 -0.02
MAX 6.50 2.50 15.50 41.50 86.50 220.00 166.00 179.50 199.00 106.00 18.00 1.00 601.50
MIN 0.00 0.00 0.00 0.00 0.00 5.00 9.50 5.00 6.00 0.00 0.00 0.00 76.00
NO YRS 76 75 73 72 73 75 75 75 74 75 73 74 67