CHICO EXPERIMENT STN, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(041715)

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200602
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
1906 74.00 n 78.00 78.00 86.00 89.00 a 100.00 112.00 106.00 101.00 97.00 82.00 69.00 112.00
1907 65.00 75.00 78.00 84.00 95.00 103.00 104.00 106.00 100.00 98.00 78.00 72.00 106.00
1908 66.00 74.00 83.00 93.00 93.00 107.00 113.00 114.00 102.00 j 98.00 88.00 63.00 114.00
1909 64.00 68.00 71.00 89.00 98.00 105.00 112.00 105.00 104.00 88.00 a 80.00 a 68.00 112.00
1910 64.00 65.00 83.00 95.00 b 108.00 109.00 112.00 108.00 99.00 g 94.00 h 80.00 72.00 a 112.00
1911 75.00 67.00 85.00 87.00 94.00 103.00 114.00 104.00 95.00 92.00 88.00 73.00 114.00
1912 71.00 77.00 78.00 78.00 103.00 110.00 112.00 112.00 103.00 91.00 78.00 75.00 112.00
1913 73.00 74.00 b 82.00 93.00 101.00 103.00 112.00 114.00 109.00 99.00 90.00 64.00 114.00
1914 67.00 73.00 93.00 90.00 103.00 112.00 115.00 116.00 98.00 94.00 80.00 64.00 116.00
1915 62.00 65.00 85.00 85.00 95.00 105.00 110.00 111.00 98.00 95.00 80.00 67.00 111.00
1916 59.00 76.00 86.00 85.00 a 90.00 103.00 110.00 f 110.00 100.00 82.00 73.00 62.00 110.00
1917 63.00 79.00 79.00 86.00 87.00 105.00 111.00 107.00 102.00 102.00 82.00 69.00 111.00
1918 72.00 67.00 81.00 90.00 93.00 112.00 106.00 110.00 98.00 89.00 84.00 65.00 112.00
1919 67.00 63.00 78.00 86.00 105.00 109.00 110.00 112.00 104.00 91.00 83.00 63.00 112.00
1920 77.00 82.00 76.00 89.00 100.00 108.00 105.00 111.00 101.00 87.00 72.00 61.00 d 111.00
1921 57.00 73.00 77.00 91.00 92.00 108.00 109.00 105.00 100.00 92.00 81.00 64.00 109.00
1922 60.00 61.00 69.00 84.00 98.00 109.00 111.00 106.00 108.00 85.00 69.00 61.00 111.00
1923 60.00 76.00 88.00 82.00 93.00 100.00 110.00 104.00 107.00 90.00 82.00 62.00 110.00
1924 62.00 74.00 73.00 87.00 97.00 106.00 105.00 105.00 101.00 91.00 71.00 61.00 106.00
1925 65.00 75.00 89.00 89.00 a 96.00 112.00 113.00 104.00 92.00 86.00 68.00 70.00 113.00
1926 64.00 76.00 91.00 98.00 100.00 111.00 110.00 104.00 95.00 85.00 80.00 70.00 111.00
1927 60.00 66.00 83.00 94.00 100.00 105.00 108.00 103.00 97.00 93.00 79.00 70.00 108.00
1928 67.00 69.00 83.00 88.00 100.00 109.00 106.00 106.00 102.00 94.00 73.00 65.00 109.00
1929 60.00 78.00 85.00 86.00 96.00 105.00 106.00 106.00 106.00 96.00 87.00 74.00 106.00
1930 64.00 78.00 89.00 83.00 90.00 107.00 107.00 103.00 95.00 98.00 85.00 69.00 107.00
1931 70.00 72.00 80.00 96.00 101.00 102.00 112.00 108.00 101.00 97.00 85.00 65.00 112.00
1932 70.00 80.00 86.00 86.00 95.00 108.00 105.00 105.00 107.00 94.00 85.00 67.00 108.00
1933 68.00 71.00 80.00 93.00 100.00 108.00 110.00 115.00 93.00 100.00 78.00 60.00 a 115.00
1934 70.00 66.00 82.00 90.00 97.00 107.00 109.00 107.00 105.00 94.00 73.00 67.00 109.00
1935 64.00 69.00 78.00 88.00 98.00 106.00 111.00 110.00 101.00 95.00 73.00 69.00 111.00
1936 67.00 75.00 81.00 88.00 99.00 106.00 108.00 108.00 106.00 96.00 91.00 71.00 108.00
1937 54.00 a 68.00 76.00 83.00 98.00 109.00 107.00 a 112.00 105.00 86.00 75.00 69.00 112.00
1938 71.00 72.00 71.00 88.00 99.00 104.00 113.00 105.00 105.00 84.00 75.00 68.00 113.00
1939 65.00 73.00 84.00 94.00 102.00 105.00 107.00 111.00 108.00 93.00 82.00 73.00 111.00
1940 66.00 67.00 81.00 85.00 100.00 106.00 107.00 108.00 94.00 92.00 72.00 72.00 108.00
1941 68.00 68.00 77.00 87.00 97.00 104.00 107.00 101.00 98.00 92.00 80.00 a 63.00 107.00
1942 65.00 d 67.00 78.00 79.00 94.00 107.00 110.00 102.00 101.00 92.00 80.00 70.00 110.00
1943 70.00 77.00 75.00 84.00 101.00 101.00 107.00 105.00 109.00 99.00 80.00 70.00 109.00
1944 70.00 64.00 83.00 81.00 94.00 102.00 105.00 110.00 112.00 91.00 68.00 68.00 112.00
1945 66.00 68.00 78.00 94.00 93.00 106.00 109.00 104.00 108.00 98.00 81.00 65.00 109.00
1946 66.00 69.00 76.00 94.00 94.00 102.00 103.00 108.00 100.00 91.00 74.00 67.00 108.00
1947 65.00 78.00 82.00 91.00 103.00 105.00 108.00 104.00 104.00 100.00 70.00 65.00 108.00
1948 75.00 68.00 74.00 76.00 86.00 100.00 106.00 98.00 102.00 89.00 76.00 67.00 106.00
1949 63.00 69.00 71.00 87.00 e 95.00 103.00 102.00 99.00 105.00 91.00 86.00 66.00 105.00
1950 64.00 73.00 81.00 89.00 105.00 109.00 108.00 109.00 111.00 92.00 82.00 68.00 111.00
1951 58.00 68.00 79.00 93.00 102.00 106.00 105.00 105.00 105.00 91.00 78.00 73.00 106.00
1952 68.00 71.00 81.00 87.00 95.00 98.00 110.00 102.00 105.00 101.00 82.00 61.00 110.00
1953 70.00 71.00 80.00 91.00 84.00 99.00 105.00 101.00 108.00 96.00 79.00 68.00 108.00
1954 65.00 76.00 75.00 92.00 94.00 105.00 105.00 99.00 97.00 91.00 75.00 58.00 105.00
1955 62.00 65.00 81.00 81.00 96.00 106.00 103.00 109.00 109.00 94.00 90.00 61.00 109.00
1956 62.00 65.00 77.00 88.00 95.00 106.00 105.00 101.00 100.00 100.00 79.00 70.00 106.00
1957 63.00 78.00 76.00 92.00 96.00 109.00 105.00 103.00 108.00 76.00 71.00 66.00 109.00
1958 64.00 70.00 67.00 85.00 94.00 100.00 104.00 105.00 108.00 99.00 83.00 75.00 108.00
1959 64.00 74.00 77.00 87.00 94.00 108.00 107.00 106.00 100.00 93.00 83.00 73.00 108.00
1960 63.00 66.00 83.00 87.00 99.00 109.00 113.00 107.00 101.00 89.00 84.00 63.00 113.00
1961 60.00 70.00 75.00 86.00 86.00 115.00 112.00 104.00 97.00 96.00 78.00 63.00 115.00
1962 75.00 65.00 75.00 89.00 93.00 106.00 105.00 106.00 102.00 92.00 78.00 68.00 106.00
1963 67.00 74.00 74.00 77.00 95.00 104.00 102.00 103.00 104.00 99.00 70.00 59.00 104.00
1964 63.00 75.00 80.00 90.00 93.00 105.00 106.00 102.00 102.00 95.00 73.00 69.00 106.00
1965 62.00 72.00 76.00 87.00 94.00 102.00 106.00 102.00 95.00 98.00 79.00 57.00 106.00
1966 67.00 63.00 84.00 88.00 97.00 111.00 102.00 107.00 106.00 93.00 87.00 62.00 111.00
1967 70.00 72.00 75.00 69.00 98.00 106.00 104.00 107.00 102.00 88.00 90.00 75.00 107.00
1968 75.00 78.00 82.00 89.00 98.00 105.00 104.00 107.00 100.00 86.00 72.00 58.00 107.00
1969 58.00 59.00 80.00 83.00 101.00 100.00 102.00 105.00 104.00 89.00 82.00 64.00 105.00
1970 66.00 71.00 83.00 82.00 99.00 108.00 105.00 104.00 99.00 100.00 77.00 60.00 108.00
1971 70.00 78.00 75.00 80.00 91.00 101.00 103.00 114.00 109.00 97.00 76.00 58.00 114.00
1972 66.00 68.00 87.00 85.00 98.00 108.00 117.00 108.00 97.00 90.00 70.00 65.00 117.00
1973 60.00 71.00 69.00 90.00 ----- z 108.00 a 106.00 104.00 b 101.00 ----- z ----- z 62.00 e 108.00
1974 67.00 f ----- z 77.00 l 82.00 98.00 98.00 104.00 102.00 99.00 c 97.00 71.00 b 66.00 104.00
1975 71.00 71.00 73.00 77.00 a 95.00 a 104.00 108.00 98.00 102.00 92.00 75.00 72.00 b 108.00
1976 76.00 72.00 75.00 82.00 c 99.00 103.00 103.00 102.00 104.00 95.00 c 84.00 b 69.00 104.00
1977 65.00 81.00 a 79.00 85.00 92.00 108.00 107.00 107.00 103.00 90.00 75.00 69.00 108.00
1978 64.00 74.00 80.00 a 82.00 b 94.00 a 102.00 104.00 114.00 d 95.00 f 98.00 g 79.00 b 63.00 f 114.00
1979 62.00 d 69.00 78.00 b 76.00 f 99.00 b ----- z 104.00 b 103.00 105.00 a 99.00 c ----- z 74.00 i 105.00
1980 ----- z 67.00 a 76.00 b 83.00 f 97.00 d ----- z 104.00 i ----- z 96.00 m 100.00 h 84.00 l ----- z 104.00
1981 63.00 l 73.00 a 76.00 a 90.00 i 95.00 104.00 g 106.00 h 105.00 100.00 e 87.00 h 76.00 f 64.00 j 106.00
1982 62.00 j 73.00 72.00 83.00 100.00 c 99.00 i 100.00 j 103.00 a 102.00 87.00 79.00 62.00 103.00
1983 63.00 67.00 68.00 79.00 99.00 96.00 102.00 104.00 102.00 86.00 q 73.00 60.00 i 104.00
1984 73.00 69.00 79.00 85.00 104.00 101.00 110.00 103.00 105.00 93.00 b 69.00 65.00 j 110.00
1985 61.00 b 78.00 78.00 89.00 a 93.00 a 107.00 110.00 101.00 96.00 99.00 80.00 66.00 a 110.00
1986 67.00 79.00 83.00 89.00 95.00 102.00 101.00 103.00 105.00 91.00 83.00 66.00 105.00
1987 65.00 72.00 78.00 95.00 102.00 108.00 101.00 110.00 106.00 102.00 78.00 65.00 110.00
1988 70.00 77.00 87.00 92.00 95.00 108.00 110.00 109.00 114.00 99.00 z 79.00 70.00 114.00
1989 75.00 75.00 73.00 92.00 95.00 104.00 105.00 101.00 99.00 86.00 77.00 67.00 105.00
1990 65.00 73.00 81.00 92.00 98.00 102.00 107.00 109.00 101.00 100.00 i 79.00 66.00 j 109.00
1991 72.00 78.00 75.00 81.00 90.00 100.00 111.00 105.00 106.00 103.00 n 80.00 66.00 111.00
1992 67.00 80.00 78.00 90.00 99.00 108.00 102.00 106.00 101.00 96.00 76.00 64.00 108.00
1993 65.00 70.00 ----- z ----- z 92.00 100.00 99.00 105.00 102.00 97.00 j 85.00 67.00 105.00
1994 72.00 67.00 77.00 86.00 93.00 100.00 102.00 102.00 105.00 92.00 78.00 61.00 105.00
1995 62.00 75.00 72.00 82.00 94.00 106.00 107.00 103.00 102.00 94.00 80.00 70.00 107.00
1996 69.00 81.00 82.00 91.00 98.00 100.00 106.00 110.00 97.00 98.00 77.00 64.00 110.00
1997 65.00 75.00 83.00 88.00 101.00 99.00 105.00 108.00 100.00 91.00 84.00 69.00 108.00
1998 63.00 64.00 78.00 89.00 84.00 93.00 107.00 106.00 108.00 89.00 72.00 76.00 108.00
1999 71.00 63.00 70.00 87.00 96.00 103.00 109.00 105.00 100.00 96.00 81.00 j 75.00 109.00
2000 63.00 67.00 79.00 92.00 a 102.00 109.00 102.00 104.00 b 106.00 96.00 j 75.00 66.00 109.00
2001 70.00 71.00 82.00 87.00 102.00 105.00 a 107.00 j 110.00 k 101.00 l 107.00 l 80.00 64.00 o 110.00
2002 64.00 77.00 86.00 90.00 98.00 j ----- z 108.00 107.00 102.00 97.00 n 74.00 o 76.00 r 108.00
2003 71.00 k 68.00 73.00 g 82.00 f 99.00 l 104.00 i 111.00 l 101.00 j 105.00 j 95.00 i 72.00 l 65.00 n 111.00
2004 64.00 k 67.00 j 88.00 j 97.00 h 95.00 l 103.00 j 102.00 n 106.00 n 101.00 i 96.00 m 78.00 k 67.00 r 106.00
2005 66.00 l 73.00 h 87.00 n 81.00 m 96.00 m ----- z 109.00 m 103.00 i 102.00 j 92.00 j 78.00 l 67.00 s 109.00
2006 70.00 k 77.00 j ----- z 90.00 j 103.00 l ----- z ----- z ----- z ----- z ----- z ----- z ----- z 103.00
Period of Record Statistics
MEAN 66.08 71.64 79.01 87.05 96.42 104.97 107.14 105.97 102.41 93.08 78.71 66.60 109.24
S.D. 4.69 5.07 5.16 4.97 4.56 3.91 3.68 3.84 4.40 4.93 5.46 4.50 2.95
SKEW 0.22 -0.08 0.10 -0.61 -0.35 -0.26 0.25 0.44 0.03 -0.52 0.07 0.01 0.45
MAX 77.00 82.00 93.00 98.00 108.00 115.00 117.00 116.00 114.00 102.00 91.00 76.00 117.00
MIN 54.00 59.00 67.00 69.00 84.00 93.00 99.00 98.00 92.00 76.00 68.00 57.00 104.00
NO YRS 92 97 95 93 95 92 92 95 92 84 91 88 75