TUCSON WFO, a

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(028815)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200801
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
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 102.00 97.00 90.00 79.00 102.00
1895 76.00 84.00 92.00 95.00 b 102.00 108.00 106.00 a 106.00 107.00 93.00 83.00 85.00 108.00
1896 87.00 z 83.00 l 94.00 93.00 106.00 110.00 e 104.00 104.00 102.00 91.00 83.00 76.00 a 110.00
1897 71.00 80.00 80.00 97.00 98.00 105.00 103.00 101.00 99.00 d 92.00 89.00 80.00 105.00
1898 73.00 83.00 82.00 a 95.00 95.00 r 106.00 g 108.00 106.00 102.00 98.00 90.00 74.00 108.00
1899 74.00 79.00 88.00 92.00 98.00 106.00 107.00 104.00 107.00 93.00 88.00 78.00 107.00
1900 76.00 80.00 92.00 88.00 102.00 108.00 108.00 105.00 100.00 92.00 88.00 78.00 108.00
1901 76.00 82.00 86.00 92.00 97.00 108.00 108.00 106.00 104.00 98.00 85.00 83.00 108.00
1902 80.00 81.00 84.00 94.00 98.00 112.00 108.00 a 109.00 105.00 95.00 81.00 78.00 112.00
1903 76.00 76.00 82.00 92.00 102.00 108.00 106.00 108.00 104.00 93.00 88.00 78.00 c 108.00
1904 79.00 91.00 88.00 92.00 99.00 107.00 107.00 100.00 97.00 97.00 86.00 78.00 107.00
1905 67.00 70.00 74.00 79.00 97.00 102.00 107.00 107.00 103.00 96.00 82.00 72.00 107.00
1906 83.00 88.00 87.00 92.00 99.00 107.00 108.00 102.00 102.00 96.00 92.00 78.00 108.00
1907 76.00 82.00 95.00 96.00 101.00 107.00 111.00 102.00 102.00 96.00 85.00 78.00 111.00
1908 76.00 84.00 88.00 91.00 96.00 108.00 106.00 100.00 102.00 98.00 88.00 74.00 108.00
1909 82.00 76.00 81.00 91.00 96.00 106.00 108.00 102.00 100.00 96.00 91.00 79.00 108.00
1910 78.00 82.00 96.00 100.00 111.00 109.00 110.00 107.00 103.00 101.00 92.00 83.00 111.00
1911 83.00 83.00 88.00 90.00 97.00 107.00 106.00 106.00 101.00 95.00 80.00 a 85.00 107.00
1912 81.00 80.00 80.00 90.00 102.00 108.00 105.00 106.00 101.00 91.00 88.00 72.00 108.00
1913 72.00 76.00 90.00 90.00 101.00 105.00 109.00 103.00 102.00 94.00 85.00 74.00 109.00
1914 81.00 79.00 88.00 95.00 105.00 107.00 103.00 106.00 99.00 95.00 83.00 66.00 a 107.00
1915 70.00 77.00 80.00 89.00 98.00 106.00 109.00 110.00 102.00 95.00 ----- z 82.00 110.00
1916 73.00 82.00 a 90.00 94.00 99.00 107.00 107.00 102.00 100.00 96.00 93.00 79.00 107.00
1917 72.00 80.00 88.00 91.00 96.00 110.00 107.00 102.00 103.00 a 101.00 88.00 82.00 110.00
1918 83.00 a 80.00 87.00 90.00 96.00 108.00 105.00 110.00 102.00 a 99.00 91.00 82.00 110.00
1919 74.00 78.00 86.00 96.00 97.00 111.00 103.00 105.00 100.00 86.00 83.00 77.00 111.00
1920 80.00 76.00 80.00 86.00 101.00 106.00 111.00 105.00 102.00 a 97.00 d 83.00 80.00 111.00
1921 81.00 91.00 89.00 93.00 98.00 109.00 106.00 103.00 101.00 99.00 85.00 85.00 109.00
1922 76.00 81.00 83.00 92.00 105.00 111.00 107.00 106.00 104.00 98.00 81.00 82.00 111.00
1923 83.00 82.00 82.00 89.00 101.00 110.00 108.00 99.00 100.00 94.00 74.00 73.00 110.00
1924 73.00 80.00 82.00 88.00 100.00 110.00 107.00 105.00 105.00 96.00 94.00 80.00 110.00
1925 80.00 86.00 91.00 99.00 104.00 106.00 109.00 a 103.00 100.00 100.00 80.00 a 75.00 109.00
1926 74.00 84.00 84.00 94.00 100.00 109.00 107.00 a 104.00 104.00 98.00 84.00 84.00 109.00
1927 88.00 82.00 86.00 96.00 103.00 108.00 106.00 106.00 102.00 b 96.00 88.00 77.00 a 108.00
1928 79.00 81.00 88.00 95.00 101.00 107.00 c 107.00 a 106.00 105.00 101.00 88.00 82.00 107.00
1929 77.00 78.00 86.00 91.00 99.00 111.00 106.00 102.00 102.00 101.00 84.00 79.00 111.00
1930 75.00 83.00 81.00 96.00 99.00 110.00 108.00 110.00 103.00 94.00 86.00 75.00 110.00
1931 75.00 79.00 89.00 89.00 98.00 105.00 108.00 102.00 101.00 94.00 91.00 74.00 108.00
1932 79.00 82.00 85.00 91.00 a 100.00 110.00 106.00 105.00 a 103.00 93.00 84.00 77.00 110.00
1933 75.00 80.00 86.00 88.00 103.00 111.00 a 106.00 109.00 104.00 98.00 87.00 84.00 111.00
1934 77.00 82.00 91.00 94.00 106.00 106.00 109.00 107.00 103.00 101.00 93.00 75.00 b 109.00
1935 84.00 85.00 82.00 93.00 94.00 106.00 106.00 103.00 101.00 99.00 86.00 78.00 106.00
1936 75.00 80.00 88.00 96.00 100.00 111.00 108.00 105.00 104.00 99.00 d 86.00 79.00 111.00
1937 72.00 79.00 83.00 97.00 102.00 106.00 110.00 106.00 102.00 97.00 88.00 c 77.00 110.00
1938 76.00 79.00 85.00 97.00 a 104.00 106.00 107.00 108.00 101.00 98.00 ----- z 83.00 108.00
1939 80.00 78.00 89.00 95.00 100.00 a 107.00 106.00 104.00 104.00 92.00 91.00 85.00 107.00
1940 82.00 85.00 87.00 94.00 99.00 h 109.00 109.00 106.00 101.00 a 95.00 e 88.00 83.00 109.00
1941 73.00 84.00 84.00 88.00 100.00 106.00 108.00 102.00 102.00 95.00 84.00 81.00 108.00
1942 82.00 78.00 86.00 91.00 103.00 108.00 110.00 104.00 102.00 95.00 85.00 78.00 110.00
1943 75.00 89.00 91.00 102.00 100.00 b 105.00 110.00 103.00 106.00 94.00 83.00 74.00 f 110.00
1944 77.00 78.00 83.00 89.00 102.00 109.00 108.00 112.00 104.00 98.00 85.00 74.00 112.00
1945 75.00 f 78.00 85.00 98.00 97.00 105.00 106.00 106.00 110.00 92.00 87.00 72.00 110.00
1946 76.00 78.00 88.00 97.00 96.00 108.00 107.00 105.00 103.00 86.00 82.00 80.00 108.00
1947 78.00 82.00 88.00 94.00 105.00 106.00 111.00 106.00 107.00 100.00 92.00 f 76.00 111.00
1948 82.00 84.00 81.00 100.00 102.00 110.00 111.00 109.00 109.00 99.00 85.00 79.00 111.00
1949 69.00 85.00 91.00 100.00 107.00 110.00 108.00 109.00 108.00 96.00 89.00 78.00 110.00
1950 84.00 82.00 93.00 96.00 99.00 110.00 110.00 110.00 112.00 104.00 90.00 85.00 112.00
1951 84.00 90.00 84.00 95.00 109.00 107.00 109.00 106.00 106.00 99.00 83.00 80.00 109.00
1952 81.00 80.00 82.00 92.00 100.00 109.00 110.00 106.00 108.00 99.00 90.00 79.00 110.00
1953 89.00 83.00 91.00 97.00 100.00 112.00 112.00 108.00 107.00 102.00 92.00 80.00 112.00
1954 80.00 87.00 87.00 98.00 99.00 a 109.00 107.00 103.00 105.00 98.00 85.00 85.00 109.00
1955 75.00 82.00 88.00 91.00 102.00 110.00 109.00 100.00 105.00 102.00 87.00 81.00 110.00
1956 81.00 80.00 93.00 90.00 103.00 110.00 107.00 105.00 108.00 100.00 88.00 80.00 110.00
1957 77.00 93.00 90.00 91.00 98.00 111.00 109.00 104.00 103.00 99.00 78.00 76.00 111.00
1958 77.00 83.00 79.00 96.00 109.00 109.00 112.00 107.00 103.00 93.00 87.00 84.00 112.00
1959 82.00 79.00 85.00 97.00 102.00 109.00 106.00 101.00 104.00 a 99.00 81.00 80.00 109.00
1960 75.00 79.00 91.00 97.00 107.00 115.00 110.00 107.00 103.00 d 98.00 88.00 82.00 115.00
1961 79.00 85.00 89.00 96.00 101.00 108.00 107.00 105.00 100.00 95.00 81.00 78.00 108.00
1962 78.00 88.00 90.00 100.00 a 102.00 110.00 106.00 110.00 108.00 96.00 89.00 a 79.00 110.00
1963 81.00 90.00 89.00 a 99.00 101.00 106.00 110.00 a 105.00 105.00 a 100.00 c 89.00 79.00 110.00
1964 79.00 80.00 91.00 a 97.00 104.00 108.00 111.00 a 108.00 103.00 99.00 87.00 78.00 a 111.00
1965 81.00 a 87.00 a 90.00 a 104.00 104.00 a 109.00 111.00 110.00 103.00 a 102.00 ----- z ----- z 111.00
1966 78.00 81.00 92.00 93.00 104.00 110.00 109.00 105.00 104.00 94.00 88.00 82.00 110.00
1967 82.00 88.00 a 90.00 a 89.00 103.00 108.00 108.00 a 105.00 103.00 96.00 93.00 74.00 108.00
1968 79.00 89.00 90.00 93.00 106.00 114.00 c 109.00 a 107.00 103.00 98.00 90.00 85.00 114.00
1969 85.00 81.00 94.00 99.00 104.00 a 108.00 110.00 110.00 105.00 98.00 85.00 b 85.00 110.00
1970 78.00 84.00 83.00 89.00 104.00 111.00 109.00 106.00 106.00 88.00 87.00 88.00 111.00
1971 90.00 87.00 94.00 95.00 97.00 108.00 108.00 100.00 105.00 94.00 90.00 84.00 108.00
1972 82.00 88.00 97.00 97.00 99.00 106.00 109.00 109.00 100.00 101.00 83.00 81.00 109.00
1973 85.00 82.00 83.00 95.00 102.00 109.00 110.00 108.00 108.00 100.00 92.00 86.00 110.00
1974 84.00 88.00 90.00 94.00 106.00 112.00 106.00 103.00 105.00 98.00 80.00 g 73.00 a 112.00
1975 80.00 80.00 85.00 d 87.00 c 99.00 106.00 106.00 110.00 101.00 98.00 91.00 82.00 110.00
1976 81.00 84.00 88.00 93.00 102.00 109.00 107.00 107.00 100.00 92.00 86.00 77.00 109.00
1977 78.00 85.00 87.00 94.00 105.00 108.00 107.00 107.00 105.00 101.00 90.00 83.00 108.00
1978 78.00 81.00 91.00 94.00 104.00 109.00 110.00 103.00 101.00 99.00 88.00 79.00 110.00
1979 73.00 84.00 85.00 92.00 99.00 110.00 110.00 104.00 107.00 99.00 84.00 83.00 110.00
1980 77.00 86.00 81.00 97.00 99.00 111.00 108.00 107.00 104.00 103.00 92.00 84.00 111.00
1981 81.00 88.00 86.00 94.00 94.00 106.00 103.00 107.00 100.00 92.00 88.00 82.00 107.00
1982 80.00 86.00 84.00 93.00 99.00 105.00 104.00 105.00 104.00 96.00 84.00 78.00 105.00
1983 78.00 80.00 85.00 89.00 102.00 102.00 112.00 105.00 106.00 89.00 83.00 77.00 112.00
1984 78.00 78.00 88.00 96.00 105.00 102.00 105.00 107.00 102.00 91.00 87.00 75.00 107.00
1985 73.00 83.00 86.00 96.00 100.00 111.00 109.00 108.00 100.00 97.00 88.00 78.00 111.00
1986 84.00 90.00 90.00 94.00 101.00 107.00 108.00 106.00 103.00 92.00 81.00 77.00 108.00
1987 86.00 82.00 83.00 95.00 94.00 107.00 106.00 103.00 99.00 96.00 83.00 80.00 107.00
1988 81.00 83.00 98.00 96.00 104.00 111.00 108.00 106.00 104.00 99.00 89.00 80.00 111.00
1989 75.00 88.00 97.00 104.00 105.00 110.00 112.00 103.00 104.00 97.00 88.00 78.00 112.00
1990 82.00 84.00 90.00 95.00 102.00 115.00 108.00 101.00 106.00 94.00 87.00 79.00 115.00
1991 74.00 83.00 85.00 92.00 98.00 108.00 107.00 106.00 102.00 98.00 88.00 78.00 108.00
1992 74.00 82.00 86.00 102.00 100.00 107.00 111.00 108.00 104.00 100.00 84.00 76.00 111.00
1993 76.00 76.00 86.00 98.00 102.00 113.00 108.00 111.00 104.00 100.00 85.00 77.00 113.00
1994 80.00 82.00 88.00 96.00 102.00 114.00 111.00 108.00 103.00 92.00 85.00 78.00 114.00
1995 75.00 84.00 87.00 92.00 98.00 108.00 115.00 110.00 106.00 99.00 88.00 80.00 115.00
1996 82.00 84.00 90.00 100.00 110.00 110.00 108.00 107.00 98.00 100.00 89.00 82.00 110.00
1997 78.00 79.00 95.00 ----- z 108.00 110.00 113.00 112.00 ----- z 101.00 ----- z ----- z 113.00
1998 79.00 76.00 b 88.00 93.00 98.00 107.00 109.00 104.00 99.00 97.00 84.00 76.00 109.00
1999 86.00 80.00 86.00 91.00 99.00 104.00 105.00 103.00 102.00 97.00 92.00 79.00 105.00
2000 83.00 85.00 82.00 99.00 106.00 106.00 107.00 104.00 105.00 97.00 76.00 77.00 107.00
2001 77.00 80.00 88.00 95.00 104.00 107.00 109.00 107.00 104.00 96.00 90.00 79.00 109.00
2002 80.00 85.00 88.00 93.00 104.00 109.00 106.00 105.00 103.00 92.00 84.00 73.00 109.00
2003 83.00 84.00 89.00 89.00 103.00 106.00 109.00 109.00 101.00 100.00 82.00 81.00 109.00
2004 77.00 85.00 90.00 91.00 98.00 107.00 104.00 104.00 102.00 93.00 83.00 79.00 107.00
2005 79.00 71.00 86.00 93.00 106.00 ----- z 109.00 104.00 101.00 95.00 ----- z 79.00 109.00
2006 80.00 82.00 84.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 87.00 76.00 87.00
2007 ----- z 81.00 95.00 93.00 101.00 107.00 109.00 105.00 102.00 96.00 89.00 77.00 109.00
2008 73.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 73.00
Period of Record Statistics
MEAN 78.49 82.31 87.27 93.89 101.26 108.28 107.96 105.56 103.20 96.54 86.46 79.08 109.46
S.D. 4.25 4.07 4.33 3.94 3.50 2.48 2.23 2.81 2.63 3.48 3.77 3.70 2.11
SKEW 0.06 0.05 0.02 -0.16 0.33 0.13 0.14 0.00 0.50 -0.57 -0.47 -0.25 0.43
MAX 90.00 93.00 98.00 104.00 111.00 115.00 115.00 112.00 112.00 104.00 94.00 88.00 115.00
MIN 67.00 70.00 74.00 79.00 94.00 102.00 103.00 99.00 97.00 86.00 74.00 66.00 105.00
NO YRS 111 112 113 111 110 110 112 112 112 113 107 111 97