ALTURAS RANGER STATION, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(040161)

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 ----- z ----- z ----- z ----- z 86.00 j 86.00 102.00 a 95.00 90.00 76.00 a 68.00 52.00 102.00
1932 46.00 48.00 64.00 a 70.00 78.00 a 94.00 97.00 97.00 92.00 a 84.00 67.00 a 57.00 97.00
1933 41.00 49.00 58.00 75.00 89.00 99.00 98.00 102.00 88.00 89.00 70.00 62.00 a 102.00
1934 66.00 a 75.00 82.00 85.00 b 89.00 a 97.00 102.00 99.00 98.00 88.00 68.00 57.00 102.00
1935 53.00 63.00 70.00 73.00 83.00 a 89.00 102.00 97.00 e 92.00 g 84.00 a 61.00 c 60.00 a 102.00
1936 49.00 55.00 a 69.00 c 81.00 e 87.00 c 96.00 b 101.00 a 95.00 c 91.00 b 88.00 a 76.00 59.00 101.00
1937 42.00 i 50.00 60.00 p 72.00 85.00 96.00 97.00 100.00 95.00 82.00 68.00 59.00 100.00
1938 56.00 53.00 51.00 71.00 82.00 89.00 97.00 90.00 90.00 76.00 60.00 60.00 97.00
1939 59.00 50.00 71.00 79.00 85.00 88.00 99.00 94.00 90.00 78.00 70.00 71.00 99.00
1940 58.00 55.00 74.00 78.00 85.00 95.00 90.00 97.00 86.00 81.00 63.00 57.00 97.00
1941 53.00 53.00 78.00 70.00 84.00 86.00 e 94.00 91.00 84.00 78.00 70.00 54.00 94.00
1942 50.00 53.00 67.00 70.00 81.00 91.00 96.00 96.00 91.00 84.00 68.00 58.00 96.00
1943 49.00 56.00 c 63.00 78.00 81.00 85.00 a 93.00 93.00 91.00 83.00 70.00 60.00 93.00
1944 47.00 57.00 65.00 73.00 80.00 88.00 94.00 93.00 92.00 80.00 60.00 55.00 94.00
1945 58.00 56.00 64.00 78.00 86.00 93.00 99.00 96.00 93.00 84.00 70.00 57.00 99.00
1946 58.00 60.00 68.00 84.00 82.00 89.00 102.00 97.00 89.00 77.00 65.00 57.00 102.00
1947 55.00 65.00 74.00 a 83.00 88.00 88.00 94.00 93.00 92.00 88.00 68.00 59.00 94.00
1948 57.00 62.00 60.00 68.00 83.00 92.00 91.00 89.00 92.00 80.00 64.00 52.00 92.00
1949 37.00 49.00 58.00 78.00 b 85.00 88.00 94.00 95.00 94.00 79.00 79.00 b 60.00 95.00
1950 50.00 b 63.00 71.00 81.00 87.00 94.00 95.00 98.00 a 100.00 c 87.00 71.00 62.00 100.00
1951 60.00 67.00 69.00 81.00 87.00 92.00 96.00 99.00 94.00 81.00 d 71.00 e 50.00 a 99.00
1952 48.00 53.00 c 61.00 76.00 d 84.00 b 88.00 d 99.00 95.00 a 93.00 a 87.00 f 70.00 57.00 e 99.00
1953 60.00 i 62.00 f 68.00 d 81.00 e 74.00 c 81.00 b 94.00 e 96.00 i 97.00 b 84.00 c 64.00 58.00 h 97.00
1954 53.00 b 67.00 a 66.00 a 83.00 c 93.00 a 97.00 97.00 100.00 92.00 b 80.00 77.00 53.00 100.00
1955 47.00 b 64.00 64.00 65.00 j 81.00 97.00 99.00 99.00 106.00 86.00 i 70.00 d 57.00 a 106.00
1956 55.00 49.00 71.00 i 78.00 86.00 99.00 100.00 93.00 93.00 86.00 73.00 63.00 a 100.00
1957 58.00 d 62.00 69.00 79.00 83.00 95.00 94.00 94.00 97.00 67.00 63.00 65.00 97.00
1958 54.00 63.00 58.00 72.00 88.00 94.00 100.00 100.00 95.00 90.00 69.00 69.00 100.00
1959 63.00 60.00 72.00 78.00 88.00 99.00 101.00 102.00 92.00 86.00 74.00 68.00 102.00
1960 51.00 54.00 80.00 a 81.00 83.00 92.00 107.00 101.00 93.00 88.00 72.00 62.00 107.00
1961 69.00 66.00 67.00 80.00 82.00 a 102.00 103.00 106.00 91.00 93.00 74.00 58.00 106.00
1962 58.00 53.00 68.00 82.00 78.00 93.00 101.00 100.00 97.00 87.00 82.00 65.00 101.00
1963 60.00 68.00 66.00 71.00 89.00 92.00 94.00 99.00 98.00 90.00 69.00 61.00 99.00
1964 63.00 56.00 72.00 78.00 80.00 93.00 100.00 98.00 90.00 92.00 70.00 56.00 100.00
1965 60.00 65.00 69.00 77.00 83.00 92.00 96.00 95.00 92.00 90.00 b 78.00 e 63.00 c 96.00
1966 55.00 55.00 82.00 84.00 92.00 95.00 104.00 102.00 99.00 b 87.00 b 81.00 g 59.00 f 104.00
1967 56.00 c 65.00 66.00 59.00 a 94.00 97.00 101.00 105.00 94.00 84.00 81.00 50.00 105.00
1968 57.00 70.00 74.00 82.00 82.00 99.00 104.00 95.00 97.00 88.00 63.00 54.00 104.00
1969 55.00 47.00 75.00 81.00 90.00 95.00 99.00 101.00 96.00 75.00 72.00 65.00 101.00
1970 55.00 64.00 65.00 68.00 84.00 95.00 96.00 97.00 86.00 86.00 68.00 51.00 97.00
1971 64.00 67.00 65.00 70.00 76.00 85.00 98.00 101.00 93.00 86.00 63.00 46.00 101.00
1972 48.00 60.00 72.00 75.00 90.00 96.00 99.00 104.00 89.00 80.00 j 56.00 c 58.00 104.00
1973 58.00 55.00 60.00 78.00 88.00 96.00 98.00 98.00 a 92.00 80.00 b 65.00 54.00 q 98.00
1974 55.00 a 58.00 64.00 68.00 84.00 95.00 97.00 96.00 92.00 ----- z 68.00 c 55.00 k 97.00
1975 57.00 a 54.00 57.00 60.00 84.00 90.00 101.00 94.00 91.00 85.00 71.00 c 61.00 101.00
1976 67.00 61.00 66.00 71.00 87.00 94.00 97.00 d 95.00 96.00 83.00 m 78.00 60.00 97.00
1977 45.00 70.00 68.00 81.00 77.00 95.00 95.00 99.00 91.00 84.00 66.00 59.00 99.00
1978 53.00 63.00 71.00 72.00 77.00 92.00 99.00 101.00 90.00 83.00 72.00 52.00 a 101.00
1979 50.00 54.00 69.00 71.00 85.00 91.00 c 100.00 98.00 94.00 89.00 e 65.00 62.00 c 100.00
1980 55.00 b 62.00 a 63.00 j 80.00 85.00 89.00 101.00 92.00 89.00 90.00 78.00 61.00 101.00
1981 60.00 61.00 a 62.00 83.00 85.00 d 94.00 a 98.00 103.00 95.00 76.00 71.00 63.00 a 103.00
1982 56.00 64.00 62.00 72.00 86.00 90.00 95.00 96.00 92.00 74.00 62.00 54.00 96.00
1983 58.00 60.00 63.00 65.00 95.00 83.00 93.00 104.00 92.00 78.00 64.00 50.00 104.00
1984 57.00 62.00 68.00 75.00 92.00 91.00 100.00 98.00 91.00 82.00 56.00 54.00 100.00
1985 54.00 57.00 61.00 84.00 83.00 100.00 98.00 97.00 86.00 80.00 67.00 49.00 100.00
1986 61.00 72.00 73.00 81.00 95.00 96.00 b 96.00 97.00 94.00 78.00 69.00 59.00 97.00
1987 60.00 65.00 68.00 85.00 87.00 a 97.00 100.00 97.00 97.00 87.00 68.00 55.00 100.00
1988 53.00 68.00 72.00 80.00 86.00 98.00 104.00 99.00 100.00 88.00 76.00 60.00 104.00
1989 52.00 55.00 61.00 80.00 84.00 87.00 96.00 91.00 87.00 83.00 71.00 60.00 96.00
1990 56.00 60.00 68.00 80.00 86.00 97.00 98.00 101.00 95.00 86.00 72.00 56.00 101.00
1991 54.00 66.00 62.00 65.00 76.00 90.00 97.00 94.00 94.00 88.00 76.00 53.00 97.00
1992 60.00 70.00 67.00 79.00 91.00 99.00 100.00 104.00 90.00 87.00 69.00 51.00 104.00
1993 45.00 53.00 70.00 69.00 83.00 90.00 90.00 97.00 93.00 87.00 65.00 57.00 97.00
1994 60.00 55.00 78.00 80.00 86.00 92.00 101.00 96.00 94.00 79.00 66.00 51.00 101.00
1995 53.00 68.00 63.00 71.00 81.00 91.00 94.00 95.00 92.00 80.00 75.00 58.00 95.00
1996 62.00 68.00 72.00 79.00 85.00 93.00 100.00 99.00 90.00 90.00 71.00 54.00 100.00
1997 55.00 61.00 72.00 76.00 90.00 88.00 94.00 101.00 90.00 81.00 73.00 53.00 101.00
1998 56.00 48.00 66.00 80.00 78.00 84.00 101.00 102.00 99.00 78.00 60.00 55.00 102.00
1999 55.00 56.00 64.00 75.00 88.00 92.00 101.00 95.00 92.00 82.00 a 73.00 52.00 101.00
2000 51.00 58.00 69.00 80.00 87.00 94.00 99.00 99.00 90.00 82.00 62.00 58.00 99.00
2001 59.00 62.00 69.00 80.00 92.00 97.00 98.00 101.00 90.00 87.00 71.00 49.00 101.00
2002 54.00 65.00 74.00 78.00 87.00 96.00 107.00 98.00 94.00 80.00 67.00 57.00 107.00
2003 62.00 56.00 74.00 68.00 92.00 d 96.00 105.00 97.00 b 95.00 86.00 c 78.00 e ----- z 105.00
2004 55.00 50.00 78.00 81.00 86.00 94.00 98.00 99.00 90.00 c 82.00 67.00 57.00 g 99.00
2005 56.00 e 61.00 75.00 71.00 d 87.00 92.00 102.00 i 101.00 90.00 d 77.00 k 83.00 f 56.00 102.00
2006 60.00 f 61.00 d 59.00 a 78.00 b 89.00 100.00 a 100.00 l ----- z ----- z ----- z ----- z ----- z 100.00
Period of Record Statistics
MEAN 55.21 59.54 67.78 76.20 85.21 92.82 98.24 97.66 92.69 83.45 69.14 57.36 99.56
S.D. 5.74 6.56 6.11 5.84 4.56 4.40 3.61 3.61 3.69 4.94 5.55 5.00 3.54
SKEW -0.44 0.02 0.05 -0.77 -0.12 -0.38 0.02 -0.02 0.61 -0.54 0.00 0.26 0.00
MAX 69.00 75.00 82.00 85.00 95.00 102.00 107.00 106.00 106.00 93.00 82.00 71.00 107.00
MIN 37.00 47.00 51.00 59.00 74.00 81.00 90.00 89.00 84.00 67.00 56.00 46.00 92.00
NO YRS 72 74 72 74 75 76 74 74 74 69 73 69 52