HEALDSBURG, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(043875)

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
1931 71.00 72.00 77.00 91.00 99.00 100.00 111.00 108.00 95.00 98.00 85.00 65.00 111.00
1932 73.00 85.00 81.00 84.00 99.00 99.00 103.00 104.00 106.00 89.00 92.00 72.00 106.00
1933 68.00 70.00 82.00 88.00 96.00 94.00 100.00 102.00 98.00 102.00 81.00 61.00 102.00
1934 73.00 70.00 84.00 88.00 97.00 105.00 101.00 106.00 105.00 95.00 88.00 73.00 106.00
1935 69.00 70.00 78.00 84.00 100.00 104.00 b 107.00 105.00 103.00 89.00 73.00 69.00 107.00
1936 72.00 75.00 86.00 87.00 99.00 104.00 107.00 103.00 108.00 99.00 84.00 75.00 108.00
1937 58.00 72.00 77.00 83.00 96.00 106.00 103.00 107.00 104.00 94.00 80.00 74.00 107.00
1938 77.00 77.00 80.00 89.00 97.00 99.00 102.00 107.00 102.00 88.00 75.00 73.00 107.00
1939 69.00 81.00 84.00 93.00 99.00 106.00 105.00 108.00 111.00 100.00 79.00 72.00 111.00
1940 70.00 70.00 81.00 88.00 90.00 98.00 103.00 107.00 94.00 97.00 75.00 74.00 107.00
1941 72.00 70.00 84.00 82.00 96.00 104.00 101.00 99.00 105.00 99.00 83.00 65.00 105.00
1942 63.00 75.00 79.00 78.00 96.00 102.00 103.00 95.00 102.00 96.00 82.00 77.00 103.00
1943 75.00 80.00 78.00 79.00 99.00 101.00 102.00 102.00 106.00 96.00 82.00 74.00 106.00
1944 71.00 78.00 88.00 81.00 94.00 96.00 90.00 106.00 110.00 91.00 70.00 68.00 110.00
1945 68.00 74.00 86.00 91.00 83.00 103.00 102.00 101.00 100.00 a 93.00 87.00 69.00 103.00
1946 67.00 72.00 83.00 94.00 a 92.00 99.00 97.00 107.00 101.00 94.00 78.00 68.00 107.00
1947 72.00 78.00 80.00 92.00 95.00 103.00 100.00 98.00 104.00 98.00 72.00 71.00 104.00
1948 75.00 74.00 73.00 77.00 85.00 98.00 103.00 98.00 102.00 91.00 80.00 66.00 103.00
1949 65.00 68.00 75.00 88.00 92.00 100.00 98.00 97.00 105.00 92.00 87.00 73.00 105.00
1950 63.00 73.00 80.00 88.00 107.00 106.00 101.00 108.00 110.00 95.00 88.00 70.00 110.00
1951 69.00 f 71.00 84.00 84.00 100.00 92.00 103.00 103.00 105.00 91.00 82.00 63.00 105.00
1952 63.00 71.00 89.00 88.00 98.00 94.00 98.00 99.00 105.00 102.00 83.00 62.00 105.00
1953 73.00 75.00 82.00 80.00 86.00 99.00 99.00 99.00 108.00 96.00 73.00 70.00 108.00
1954 63.00 80.00 80.00 89.00 96.00 103.00 109.00 96.00 99.00 91.00 76.00 61.00 109.00
1955 65.00 70.00 87.00 76.00 98.00 98.00 98.00 103.00 108.00 89.00 91.00 66.00 e 108.00
1956 59.00 73.00 77.00 85.00 96.00 102.00 100.00 99.00 97.00 86.00 83.00 71.00 102.00
1957 63.00 78.00 73.00 91.00 90.00 104.00 100.00 99.00 106.00 82.00 76.00 66.00 106.00
1958 70.00 70.00 73.00 86.00 96.00 98.00 97.00 106.00 106.00 101.00 83.00 81.00 106.00
1959 68.00 79.00 85.00 91.00 95.00 104.00 112.00 104.00 98.00 95.00 85.00 77.00 112.00
1960 66.00 73.00 84.00 87.00 98.00 111.00 106.00 103.00 102.00 91.00 87.00 69.00 111.00
1961 65.00 79.00 80.00 89.00 82.00 113.00 110.00 102.00 101.00 100.00 85.00 68.00 113.00
1962 85.00 69.00 76.00 91.00 89.00 105.00 101.00 105.00 101.00 95.00 83.00 69.00 105.00
1963 69.00 78.00 76.00 76.00 93.00 97.00 102.00 104.00 105.00 97.00 77.00 60.00 105.00
1964 67.00 82.00 85.00 93.00 89.00 105.00 106.00 105.00 108.00 100.00 75.00 67.00 108.00
1965 68.00 76.00 82.00 96.00 90.00 95.00 97.00 99.00 95.00 100.00 78.00 65.00 100.00
1966 74.00 73.00 90.00 94.00 93.00 108.00 98.00 105.00 108.00 98.00 91.00 65.00 108.00
1967 72.00 79.00 74.00 70.00 95.00 95.00 104.00 105.00 103.00 93.00 96.00 83.00 105.00
1968 82.00 80.00 87.00 92.00 93.00 101.00 104.00 108.00 105.00 91.00 80.00 69.00 108.00
1969 60.00 63.00 85.00 85.00 97.00 94.00 104.00 108.00 106.00 94.00 86.00 72.00 108.00
1970 64.00 79.00 90.00 86.00 104.00 ----- z 108.00 107.00 102.00 105.00 81.00 63.00 108.00
1971 71.00 78.00 83.00 86.00 89.00 100.00 101.00 109.00 114.00 101.00 82.00 63.00 114.00
1972 69.00 76.00 90.00 86.00 100.00 110.00 116.00 102.00 92.00 93.00 75.00 75.00 116.00
1973 68.00 75.00 76.00 89.00 103.00 108.00 108.00 98.00 101.00 90.00 69.00 66.00 108.00
1974 71.00 75.00 83.00 89.00 101.00 102.00 105.00 102.00 102.00 100.00 76.00 69.00 105.00
1975 72.00 75.00 80.00 81.00 103.00 101.00 108.00 105.00 103.00 91.00 80.00 75.00 108.00
1976 76.00 73.00 81.00 88.00 105.00 110.00 102.00 104.00 104.00 99.00 89.00 77.00 110.00
1977 72.00 82.00 81.00 90.00 95.00 105.00 110.00 104.00 102.00 93.00 79.00 75.00 110.00
1978 67.00 76.00 83.00 94.00 99.00 105.00 100.00 106.00 103.00 102.00 87.00 72.00 106.00
1979 65.00 74.00 82.00 81.00 98.00 102.00 105.00 101.00 110.00 94.00 74.00 75.00 110.00
1980 68.00 72.00 81.00 88.00 94.00 99.00 107.00 105.00 104.00 108.00 88.00 73.00 108.00
1981 69.00 81.00 81.00 90.00 92.00 109.00 103.00 107.00 98.00 92.00 82.00 69.00 109.00
1982 68.00 78.00 75.00 88.00 103.00 94.00 100.00 105.00 105.00 94.00 81.00 68.00 105.00
1983 70.00 68.00 73.00 81.00 97.00 100.00 105.00 106.00 105.00 91.00 73.00 65.00 106.00
1984 81.00 71.00 87.00 90.00 105.00 101.00 108.00 106.00 108.00 91.00 76.00 69.00 108.00
1985 62.00 84.00 83.00 91.00 91.00 103.00 103.00 96.00 95.00 103.00 83.00 64.00 103.00
1986 67.00 79.00 86.00 87.00 91.00 101.00 98.00 96.00 91.00 90.00 86.00 71.00 101.00
1987 70.00 75.00 79.00 88.00 100.00 100.00 95.00 101.00 96.00 101.00 74.00 65.00 101.00
1988 72.00 79.00 87.00 90.00 96.00 100.00 109.00 106.00 101.00 98.00 78.00 78.00 109.00
1989 71.00 76.00 75.00 96.00 93.00 101.00 103.00 99.00 95.00 91.00 80.00 70.00 103.00
1990 66.00 76.00 78.00 89.00 97.00 102.00 101.00 101.00 102.00 98.00 82.00 70.00 102.00
1991 83.00 80.00 75.00 87.00 90.00 96.00 106.00 93.00 100.00 102.00 85.00 70.00 106.00
1992 64.00 78.00 80.00 88.00 92.00 89.00 96.00 100.00 96.00 94.00 78.00 64.00 100.00
1993 70.00 65.00 76.00 88.00 91.00 107.00 105.00 109.00 96.00 91.00 81.00 69.00 109.00
1994 68.00 77.00 80.00 84.00 93.00 105.00 98.00 103.00 96.00 85.00 64.00 67.00 105.00
1995 68.00 75.00 74.00 86.00 92.00 107.00 105.00 104.00 97.00 92.00 78.00 66.00 107.00
1996 72.00 77.00 87.00 96.00 97.00 103.00 104.00 105.00 92.00 99.00 74.00 72.00 105.00
1997 69.00 78.00 83.00 89.00 100.00 95.00 98.00 105.00 96.00 85.00 85.00 65.00 105.00
1998 64.00 64.00 78.00 89.00 82.00 93.00 106.00 108.00 99.00 86.00 68.00 74.00 108.00
1999 ----- z 64.00 66.00 89.00 97.00 103.00 106.00 104.00 93.00 89.00 a 79.00 77.00 106.00
2000 63.00 67.00 83.00 90.00 103.00 113.00 107.00 ----- z 102.00 88.00 76.00 66.00 113.00
2001 65.00 73.00 82.00 90.00 105.00 107.00 110.00 103.00 95.00 a 98.00 76.00 66.00 110.00
2002 60.00 76.00 85.00 91.00 97.00 100.00 108.00 106.00 102.00 95.00 75.00 64.00 108.00
2003 68.00 69.00 80.00 77.00 100.00 107.00 107.00 100.00 101.00 ----- z 72.00 65.00 107.00
2004 62.00 68.00 87.00 99.00 96.00 104.00 99.00 103.00 101.00 94.00 73.00 70.00 104.00
2005 64.00 74.00 84.00 84.00 92.00 94.00 105.00 100.00 99.00 90.00 a 80.00 65.00 a 105.00
2006 72.00 73.00 67.00 a 90.00 b 100.00 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 100.00
Period of Record Statistics
MEAN 68.84 74.51 80.87 87.28 95.63 101.64 103.23 103.09 101.80 94.61 80.13 69.40 106.70
S.D. 5.30 4.73 5.06 5.22 5.33 5.04 4.49 3.74 4.99 5.17 6.05 4.84 3.22
SKEW 0.65 -0.27 -0.48 -0.73 -0.38 -0.04 0.02 -0.56 -0.10 0.07 0.01 0.39 0.23
MAX 85.00 85.00 90.00 99.00 107.00 113.00 116.00 109.00 114.00 108.00 96.00 83.00 116.00
MIN 58.00 63.00 66.00 70.00 82.00 89.00 90.00 93.00 91.00 82.00 64.00 60.00 100.00
NO YRS 74 76 76 76 76 74 75 74 75 74 75 75 70