SONOMA, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(048351)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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
1952 ----- z 66.00 m 86.00 b 85.00 b 96.00 b 93.00 b 100.00 b 102.00 b 106.00 101.00 79.00 64.00 106.00
1953 70.00 71.00 82.00 82.00 88.00 97.00 99.00 97.00 106.00 94.00 77.00 71.00 106.00
1954 63.00 75.00 76.00 90.00 92.00 106.00 107.00 92.00 99.00 91.00 75.00 61.00 107.00
1955 64.00 69.00 83.00 77.00 95.00 97.00 99.00 104.00 110.00 89.00 87.00 64.00 a 110.00
1956 58.00 69.00 76.00 82.00 96.00 105.00 103.00 99.00 97.00 87.00 81.00 72.00 105.00
1957 59.00 75.00 73.00 90.00 92.00 105.00 101.00 101.00 109.00 79.00 69.00 64.00 109.00
1958 69.00 70.00 69.00 83.00 94.00 95.00 99.00 102.00 105.00 98.00 e 83.00 74.00 105.00
1959 65.00 75.00 j 81.00 86.00 93.00 101.00 109.00 103.00 a 97.00 d 95.00 82.00 a 72.00 109.00
1960 66.00 j 70.00 b 81.00 a 88.00 92.00 108.00 106.00 101.00 101.00 88.00 85.00 65.00 108.00
1961 61.00 74.00 77.00 89.00 80.00 112.00 d 110.00 101.00 100.00 98.00 81.00 63.00 112.00
1962 84.00 65.00 76.00 88.00 87.00 103.00 100.00 102.00 100.00 93.00 80.00 66.00 103.00
1963 62.00 76.00 72.00 75.00 89.00 98.00 100.00 103.00 103.00 96.00 73.00 60.00 103.00
1964 65.00 81.00 82.00 90.00 88.00 103.00 104.00 100.00 102.00 a 96.00 76.00 65.00 104.00
1965 62.00 72.00 78.00 93.00 89.00 93.00 99.00 99.00 95.00 95.00 78.00 63.00 99.00
1966 71.00 68.00 89.00 93.00 93.00 106.00 100.00 105.00 102.00 92.00 87.00 65.00 106.00
1967 70.00 70.00 72.00 69.00 95.00 98.00 103.00 104.00 100.00 90.00 86.00 80.00 104.00
1968 71.00 76.00 84.00 89.00 91.00 100.00 105.00 106.00 100.00 87.00 76.00 64.00 106.00
1969 62.00 65.00 83.00 83.00 95.00 93.00 101.00 104.00 103.00 88.00 82.00 69.00 104.00
1970 63.00 75.00 87.00 83.00 102.00 97.00 105.00 106.00 101.00 101.00 79.00 60.00 106.00
1971 64.00 71.00 79.00 81.00 83.00 100.00 102.00 103.00 110.00 94.00 77.00 61.00 110.00
1972 58.00 73.00 87.00 87.00 98.00 107.00 116.00 107.00 98.00 97.00 69.00 73.00 116.00
1973 70.00 73.00 72.00 87.00 99.00 108.00 109.00 104.00 104.00 93.00 79.00 67.00 109.00
1974 75.00 71.00 a 77.00 90.00 100.00 101.00 106.00 104.00 103.00 99.00 79.00 68.00 106.00
1975 71.00 79.00 78.00 76.00 103.00 101.00 109.00 105.00 105.00 91.00 78.00 79.00 109.00
1976 78.00 78.00 81.00 87.00 105.00 111.00 100.00 105.00 105.00 96.00 88.00 77.00 111.00
1977 68.00 79.00 81.00 88.00 90.00 101.00 108.00 107.00 106.00 95.00 80.00 76.00 108.00
1978 66.00 e 74.00 82.00 88.00 95.00 104.00 104.00 a 106.00 102.00 99.00 b 86.00 68.00 106.00
1979 68.00 72.00 80.00 78.00 95.00 e 103.00 a 108.00 103.00 109.00 ----- z 74.00 75.00 109.00
1980 67.00 a 74.00 80.00 85.00 91.00 a 98.00 109.00 104.00 100.00 107.00 84.00 66.00 109.00
1981 68.00 80.00 82.00 100.00 89.00 109.00 100.00 106.00 96.00 95.00 81.00 a 68.00 109.00
1982 67.00 76.00 72.00 85.00 103.00 91.00 97.00 104.00 104.00 95.00 76.00 67.00 104.00
1983 78.00 68.00 72.00 78.00 92.00 95.00 106.00 107.00 106.00 90.00 77.00 69.00 107.00
1984 75.00 70.00 82.00 88.00 ----- z 97.00 109.00 105.00 109.00 91.00 75.00 69.00 109.00
1985 65.00 84.00 ----- z ----- z ----- z ----- z ----- z 99.00 99.00 105.00 91.00 66.00 105.00
1986 72.00 76.00 80.00 86.00 91.00 99.00 98.00 93.00 90.00 89.00 84.00 68.00 99.00
1987 68.00 76.00 78.00 86.00 96.00 99.00 96.00 101.00 101.00 100.00 71.00 65.00 101.00
1988 72.00 78.00 86.00 89.00 94.00 101.00 110.00 105.00 100.00 95.00 78.00 73.00 110.00
1989 67.00 73.00 75.00 91.00 90.00 101.00 104.00 99.00 93.00 90.00 82.00 71.00 104.00
1990 65.00 73.00 78.00 89.00 95.00 101.00 104.00 103.00 100.00 96.00 80.00 67.00 104.00
1991 73.00 79.00 72.00 84.00 90.00 94.00 105.00 93.00 100.00 99.00 82.00 68.00 105.00
1992 64.00 76.00 75.00 87.00 91.00 91.00 98.00 102.00 97.00 94.00 78.00 69.00 102.00
1993 68.00 67.00 77.00 83.00 88.00 104.00 96.00 105.00 98.00 92.00 82.00 68.00 105.00
1994 67.00 73.00 82.00 82.00 90.00 105.00 96.00 102.00 98.00 88.00 78.00 65.00 105.00
1995 70.00 78.00 74.00 82.00 91.00 103.00 105.00 102.00 97.00 93.00 81.00 69.00 105.00
1996 70.00 75.00 83.00 94.00 94.00 103.00 a 103.00 102.00 96.00 99.00 74.00 70.00 103.00
1997 65.00 74.00 82.00 86.00 101.00 99.00 100.00 106.00 98.00 90.00 87.00 68.00 106.00
1998 66.00 64.00 75.00 84.00 78.00 92.00 105.00 108.00 100.00 88.00 69.00 65.00 108.00
1999 64.00 66.00 67.00 87.00 84.00 103.00 106.00 101.00 97.00 95.00 79.00 77.00 106.00
2000 64.00 70.00 81.00 87.00 98.00 112.00 96.00 97.00 101.00 90.00 77.00 65.00 112.00
2001 63.00 74.00 82.00 87.00 105.00 105.00 106.00 102.00 102.00 102.00 83.00 62.00 106.00
2002 62.00 a 76.00 81.00 85.00 91.00 99.00 105.00 104.00 102.00 92.00 77.00 66.00 105.00
2003 68.00 68.00 78.00 74.00 93.00 104.00 103.00 100.00 103.00 93.00 71.00 61.00 a 104.00
2004 63.00 a 67.00 89.00 93.00 90.00 99.00 95.00 100.00 101.00 94.00 72.00 67.00 b 101.00
2005 64.00 76.00 84.00 77.00 85.00 92.00 101.00 98.00 92.00 92.00 84.00 67.00 a 101.00
2006 66.00 74.00 68.00 85.00 92.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 92.00
Period of Record Statistics
MEAN 67.13 73.13 78.87 85.39 92.77 100.79 103.11 102.28 101.07 93.89 79.24 67.81 105.94
S.D. 5.10 4.40 5.20 5.53 5.70 5.35 4.54 3.53 4.40 4.99 5.08 4.74 3.46
SKEW 0.84 -0.03 -0.24 -0.47 0.00 0.06 0.27 -1.01 0.01 0.07 -0.07 0.66 0.38
MAX 84.00 84.00 89.00 100.00 105.00 112.00 116.00 108.00 110.00 107.00 91.00 80.00 116.00
MIN 58.00 64.00 67.00 69.00 78.00 91.00 95.00 92.00 90.00 79.00 69.00 60.00 99.00
NO YRS 53 53 54 54 53 53 53 54 54 53 54 54 47