SAN JON st,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(297867)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1907 ----- z ----- z ----- z ----- z ----- z 100.00 101.00 101.00 91.00 83.00 86.00 73.00 101.00
1908 68.00 78.00 87.00 84.00 95.00 105.00 101.00 105.00 96.00 88.00 c 78.00 77.00 105.00
1909 78.00 71.00 79.00 90.00 93.00 101.00 104.00 99.00 96.00 88.00 81.00 73.00 104.00
1910 74.00 75.00 86.00 93.00 97.00 105.00 103.00 100.00 97.00 90.00 81.00 72.00 105.00
1911 78.00 73.00 82.00 86.00 a 92.00 102.00 96.00 103.00 93.00 92.00 a 72.00 62.00 103.00
1912 74.00 73.00 80.00 88.00 95.00 98.00 100.00 a 100.00 94.00 84.00 p 78.00 67.00 100.00
1913 66.00 72.00 82.00 86.00 94.00 95.00 104.00 100.00 95.00 a 85.00 78.00 56.00 104.00
1914 75.00 a 73.00 80.00 90.00 91.00 100.00 97.00 99.00 a 99.00 90.00 78.00 67.00 a 100.00
1915 62.00 74.00 78.00 a 89.00 93.00 102.00 106.00 95.00 97.00 85.00 91.00 71.00 g 106.00
1916 72.00 a 79.00 a 86.00 85.00 98.00 a 102.00 105.00 a 98.00 d 91.00 87.00 86.00 ----- z 105.00
1917 70.00 81.00 84.00 a 88.00 89.00 101.00 a 103.00 a 101.00 a 95.00 91.00 78.00 76.00 b 103.00
1918 75.00 81.00 c 84.00 84.00 90.00 a 106.00 e 100.00 b 98.00 h 97.00 d 93.00 e 81.00 b 63.00 b 106.00
1919 59.00 73.00 a 77.00 b 90.00 d 95.00 b 92.00 b 98.00 99.00 a 99.00 d ----- z ----- z ----- z 99.00
1920 76.00 b 75.00 a 78.00 c 85.00 e 93.00 g 96.00 c 100.00 a 98.00 b 96.00 a 91.00 e 79.00 d 71.00 d 100.00
1921 74.00 b ----- z 82.00 d 89.00 d 92.00 b 97.00 e 103.00 d 99.00 d 97.00 b 98.00 b 81.00 b 79.00 d 103.00
1922 68.00 a 81.00 d 78.00 g 83.00 f 94.00 f 101.00 a 102.00 b 105.00 a 103.00 a 93.00 f 77.00 b 72.00 105.00
1923 75.00 d 66.00 a 71.00 a 84.00 a 95.00 c 99.00 f 105.00 b 101.00 e ----- z 81.00 73.00 a 64.00 105.00
1924 65.00 e 74.00 c 80.00 a ----- z 92.00 b 107.00 a 100.00 d 102.00 93.00 89.00 b 82.00 c 75.00 e 107.00
1925 70.00 d 77.00 b 83.00 a 93.00 b 99.00 c 102.00 c 105.00 d 97.00 b ----- z ----- z 61.00 b ----- z 105.00
1926 69.00 b 80.00 c 77.00 b 79.00 h 85.00 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z 85.00
1927 ----- z 78.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 68.00 a 78.00
1928 ----- z ----- z ----- z ----- z ----- z 103.00 b ----- z ----- z ----- z ----- z ----- z ----- z 103.00
1929 65.00 e ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 75.00 j 75.00
1930 ----- z ----- z ----- z 94.00 b 95.00 e ----- z ----- z ----- z ----- z ----- z ----- z ----- z 95.00
1931 65.00 ----- z ----- z 82.00 a 92.00 ----- z ----- z ----- z ----- z ----- z 80.00 65.00 92.00
1932 ----- z ----- z ----- z ----- z 88.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 88.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 65.00 z ----- z ----- z 65.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 81.00 a ----- z 81.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z 81.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 81.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z 95.00 z ----- z 102.00 ----- z ----- z ----- z 102.00
1948 77.00 a 73.00 80.00 92.00 a 95.00 102.00 103.00 99.00 105.00 88.00 75.00 73.00 105.00
1949 60.00 73.00 a 81.00 85.00 93.00 100.00 99.00 k 100.00 b 100.00 87.00 82.00 67.00 100.00
1950 81.00 76.00 83.00 94.00 94.00 101.00 99.00 101.00 90.00 91.00 81.00 71.00 101.00
1951 74.00 80.00 79.00 90.00 95.00 a 102.00 107.00 104.00 a 101.00 90.00 74.00 73.00 107.00
1952 75.00 71.00 77.00 87.00 96.00 105.00 102.00 103.00 a 96.00 a 88.00 82.00 69.00 105.00
1953 75.00 a 72.00 a 83.00 a 90.00 102.00 108.00 104.00 100.00 98.00 92.00 77.00 68.00 108.00
1954 70.00 a 78.00 l 83.00 91.00 a 92.00 102.00 104.00 101.00 a 98.00 a 95.00 78.00 74.00 104.00
1955 69.00 72.00 81.00 b 87.00 92.00 c 103.00 a 101.00 b 99.00 98.00 88.00 79.00 77.00 103.00
1956 76.00 a 78.00 85.00 91.00 98.00 101.00 103.00 102.00 101.00 92.00 80.00 71.00 103.00
1957 72.00 80.00 75.00 86.00 87.00 104.00 b 107.00 a 101.00 95.00 89.00 76.00 70.00 a 107.00
1958 69.00 72.00 75.00 85.00 96.00 103.00 108.00 102.00 a 101.00 90.00 79.00 77.00 108.00
1959 69.00 74.00 79.00 94.00 96.00 a 100.00 99.00 104.00 99.00 a 92.00 75.00 a 68.00 104.00
1960 65.00 67.00 83.00 90.00 96.00 a 103.00 102.00 97.00 a 96.00 a 88.00 a 78.00 b 67.00 a 103.00
1961 67.00 a 79.00 80.00 l 89.00 o 95.00 e 100.00 c 99.00 100.00 93.00 89.00 75.00 73.00 100.00
1962 70.00 85.00 85.00 91.00 100.00 101.00 102.00 103.00 97.00 92.00 80.00 71.00 103.00
1963 74.00 81.00 88.00 89.00 99.00 102.00 107.00 100.00 96.00 94.00 80.00 73.00 107.00
1964 70.00 64.00 84.00 88.00 98.00 101.00 107.00 108.00 99.00 90.00 79.00 75.00 108.00
1965 70.00 75.00 77.00 98.00 94.00 96.00 102.00 100.00 95.00 95.00 76.00 70.00 102.00
1966 66.00 69.00 88.00 88.00 100.00 101.00 106.00 100.00 93.00 86.00 82.00 71.00 106.00
1967 76.00 74.00 86.00 89.00 96.00 100.00 99.00 99.00 95.00 92.00 81.00 66.00 100.00
1968 71.00 72.00 81.00 82.00 99.00 108.00 102.00 99.00 95.00 91.00 77.00 72.00 108.00
1969 74.00 72.00 76.00 87.00 95.00 101.00 103.00 105.00 94.00 90.00 76.00 72.00 105.00
1970 77.00 81.00 80.00 82.00 a 95.00 105.00 101.00 102.00 97.00 86.00 79.00 78.00 105.00
1971 78.00 77.00 89.00 90.00 95.00 100.00 103.00 94.00 97.00 88.00 83.00 75.00 103.00
1972 78.00 81.00 86.00 94.00 95.00 100.00 101.00 97.00 91.00 90.00 72.00 70.00 101.00
1973 67.00 71.00 ----- z 85.00 92.00 105.00 106.00 102.00 95.00 93.00 86.00 76.00 106.00
1974 80.00 76.00 87.00 91.00 104.00 106.00 105.00 103.00 100.00 88.00 75.00 66.00 106.00
1975 78.00 73.00 79.00 86.00 93.00 104.00 98.00 100.00 95.00 91.00 84.00 78.00 104.00
1976 73.00 81.00 84.00 88.00 97.00 105.00 100.00 101.00 98.00 88.00 75.00 72.00 105.00
1977 59.00 78.00 79.00 88.00 98.00 107.00 105.00 105.00 95.00 86.00 83.00 75.00 107.00
1978 65.00 70.00 84.00 90.00 98.00 105.00 105.00 101.00 98.00 90.00 ----- z 68.00 105.00
1979 62.00 82.00 80.00 88.00 95.00 99.00 100.00 98.00 99.00 97.00 70.00 72.00 100.00
1980 73.00 77.00 77.00 89.00 95.00 108.00 105.00 102.00 96.00 88.00 b 87.00 79.00 108.00
1981 73.00 82.00 80.00 93.00 94.00 107.00 104.00 98.00 90.00 85.00 80.00 75.00 107.00
1982 71.00 80.00 84.00 88.00 90.00 98.00 100.00 99.00 98.00 87.00 76.00 73.00 100.00
1983 69.00 71.00 83.00 85.00 92.00 102.00 102.00 101.00 104.00 88.00 80.00 68.00 104.00
1984 72.00 74.00 79.00 86.00 95.00 98.00 98.00 97.00 100.00 87.00 79.00 74.00 100.00
1985 65.00 71.00 80.00 87.00 97.00 103.00 104.00 103.00 98.00 89.00 77.00 69.00 104.00
1986 77.00 77.00 85.00 89.00 95.00 98.00 103.00 103.00 91.00 85.00 74.00 60.00 103.00
1987 68.00 73.00 77.00 89.00 88.00 100.00 99.00 100.00 89.00 90.00 79.00 77.00 100.00
1988 67.00 72.00 a 82.00 85.00 96.00 98.00 99.00 99.00 91.00 88.00 82.00 66.00 99.00
1989 71.00 82.00 91.00 97.00 98.00 100.00 103.00 99.00 93.00 92.00 80.00 70.00 103.00
1990 75.00 76.00 80.00 88.00 96.00 110.00 99.00 101.00 96.00 87.00 82.00 72.00 110.00
1991 64.00 71.00 80.00 88.00 94.00 100.00 100.00 93.00 91.00 90.00 78.00 68.00 100.00
1992 70.00 73.00 76.00 91.00 93.00 98.00 105.00 99.00 93.00 90.00 75.00 69.00 105.00
1993 67.00 70.00 80.00 89.00 90.00 100.00 103.00 96.00 94.00 89.00 75.00 ----- z 103.00
1994 72.00 73.00 81.00 88.00 93.00 105.00 102.00 103.00 96.00 86.00 84.00 70.00 105.00
1995 70.00 78.00 87.00 86.00 94.00 102.00 105.00 99.00 103.00 87.00 81.00 76.00 105.00
1996 72.00 79.00 81.00 93.00 100.00 105.00 99.00 99.00 90.00 90.00 84.00 74.00 105.00
1997 74.00 73.00 84.00 82.00 92.00 101.00 101.00 97.00 98.00 88.00 82.00 68.00 101.00
1998 68.00 77.00 85.00 86.00 98.00 107.00 102.00 97.00 96.00 87.00 79.00 74.00 107.00
1999 78.00 77.00 80.00 85.00 88.00 102.00 100.00 98.00 95.00 89.00 84.00 72.00 102.00
2000 78.00 80.00 78.00 91.00 102.00 100.00 99.00 100.00 100.00 95.00 71.00 69.00 102.00
2001 64.00 74.00 83.00 87.00 95.00 101.00 103.00 100.00 98.00 91.00 81.00 71.00 103.00
2002 73.00 80.00 86.00 93.00 100.00 101.00 101.00 102.00 95.00 87.00 75.00 67.00 102.00
2003 74.00 75.00 80.00 87.00 99.00 98.00 105.00 103.00 94.00 90.00 79.00 ----- z 105.00
2004 70.00 76.00 86.00 83.00 97.00 103.00 99.00 97.00 95.00 83.00 75.00 72.00 103.00
2005 73.00 71.00 82.00 82.00 97.00 101.00 101.00 97.00 95.00 88.00 83.00 77.00 101.00
2006 76.00 80.00 85.00 93.00 102.00 105.00 102.00 100.00 93.00 95.00 91.00 71.00 105.00
2007 67.00 75.00 b 89.00 84.00 93.00 a 97.00 97.00 107.00 98.00 91.00 83.00 a 79.00 107.00
2008 68.00 74.00 a 84.00 a 88.00 b 95.00 a 103.00 97.00 99.00 92.00 88.00 84.00 79.00 103.00
2009 76.00 78.00 84.00 88.00 a 94.00 a 103.00 108.00 a 103.00 d 99.00 95.00 84.00 67.00 108.00
2010 66.00 62.00 c 86.00 b 85.00 a 92.00 101.00 100.00 100.00 98.00 89.00 81.00 79.00 101.00
2011 75.00 80.00 86.00 a 92.00 a 100.00 a 108.00 a 104.00 a 103.00 97.00 89.00 b 81.00 a 70.00 a 108.00
2012 78.00 75.00 91.00 96.00 99.00 106.00 103.00 a 105.00 101.00 91.00 84.00 76.00 106.00
2013 74.00 72.00 a 85.00 68.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 85.00
Period of Record Statistics
MEAN 71.18 75.25 82.06 88.40 95.18 101.95 102.11 100.37 96.24 89.39 79.30 71.36 104.05
S.D. 4.98 4.36 3.88 3.58 3.38 3.33 2.81 2.75 3.42 3.10 4.53 4.60 2.63
SKEW -0.36 -0.33 -0.04 0.32 0.08 -0.04 0.06 0.14 0.13 0.24 -0.53 -0.52 -0.03
MAX 81.00 85.00 91.00 98.00 104.00 110.00 108.00 108.00 105.00 98.00 91.00 79.00 110.00
MIN 59.00 62.00 71.00 82.00 87.00 92.00 96.00 93.00 89.00 81.00 61.00 56.00 99.00
NO YRS 87 84 83 82 83 84 83 83 83 80 84 80 59