MOUNT HAMILTON, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(045933)

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
1948 ----- z ----- z ----- z ----- z ----- z ----- z 89.00 84.00 92.00 76.00 k 65.00 f 58.00 c 92.00
1949 52.00 o 55.00 k ----- z 65.00 x 80.00 b 88.00 a 91.00 86.00 91.00 78.00 78.00 60.00 91.00
1950 58.00 63.00 a 69.00 78.00 86.00 a 92.00 a 94.00 a 81.00 z ----- z ----- z 73.00 b 67.00 a 94.00
1951 69.00 c ----- z 66.00 a 78.00 86.00 84.00 92.00 91.00 90.00 76.00 a 71.00 a 60.00 92.00
1952 59.00 60.00 67.00 73.00 a 81.00 81.00 90.00 87.00 91.00 85.00 69.00 66.00 91.00
1953 67.00 63.00 68.00 71.00 72.00 a 82.00 90.00 89.00 91.00 82.00 70.00 73.00 91.00
1954 63.00 78.00 60.00 78.00 83.00 91.00 91.00 86.00 82.00 80.00 71.00 66.00 91.00
1955 61.00 63.00 a 62.00 62.00 79.00 87.00 89.00 a 94.00 97.00 d 78.00 71.00 a 64.00 b 97.00
1956 53.00 54.00 e 65.00 b 72.00 80.00 91.00 91.00 85.00 88.00 77.00 77.00 71.00 91.00
1957 55.00 63.00 65.00 75.00 79.00 92.00 87.00 85.00 94.00 68.00 70.00 73.00 94.00
1958 63.00 61.00 56.00 74.00 78.00 b 81.00 90.00 c 88.00 c 87.00 b 84.00 e 71.00 e 75.00 k 90.00
1959 67.00 d 63.00 a 65.00 s 78.00 c 78.00 d 90.00 d 95.00 g 94.00 c 83.00 g 86.00 c 75.00 e 71.00 i 95.00
1960 55.00 a 57.00 c 70.00 d 74.00 80.00 d 90.00 b 95.00 i 92.00 d 87.00 j 75.00 c 74.00 g 63.00 j 95.00
1961 69.00 e 62.00 e 60.00 f 78.00 b 58.00 v 94.00 a 95.00 c 90.00 82.00 b 85.00 f 67.00 b 64.00 b 95.00
1962 67.00 d 66.00 b 63.00 a 74.00 a 73.00 85.00 b ----- z 89.00 d 84.00 a 80.00 a 79.00 e 70.00 b 89.00
1963 62.00 c 65.00 b 62.00 c 62.00 c 78.00 d 87.00 84.00 b 86.00 90.00 a 87.00 i 69.00 d 68.00 d 90.00
1964 58.00 c 63.00 d 65.00 e 75.00 a 75.00 c 89.00 b 89.00 c 88.00 a 89.00 b 85.00 a 63.00 h 56.00 d 89.00
1965 67.00 d 65.00 b 63.00 b 74.00 c 76.00 b 80.00 d 87.00 b 85.00 a ----- z 85.00 a 65.00 b 66.00 d 87.00
1966 58.00 c 58.00 i 77.00 b 77.00 c 79.00 c 90.00 e 87.00 d 90.00 e 87.00 i 83.00 g 74.00 j 65.00 p 90.00
1967 69.00 h 70.00 d 60.00 d 45.00 b 84.00 f 86.00 e 92.00 g 93.00 e 84.00 d 79.00 e 76.00 a 64.00 a 93.00
1968 67.00 67.00 b 69.00 a 74.00 b 76.00 a 88.00 88.00 c 91.00 b 89.00 a 80.00 70.00 b 59.00 c 91.00
1969 72.00 b 55.00 69.00 p 69.00 a 82.00 b 79.00 f 94.00 94.00 a 90.00 77.00 a 78.00 60.00 e 94.00
1970 63.00 64.00 70.00 b 68.00 83.00 b 89.00 92.00 88.00 87.00 88.00 69.00 59.00 92.00
1971 70.00 71.00 68.00 70.00 71.00 85.00 87.00 98.00 95.00 84.00 70.00 b 57.00 d 98.00
1972 61.00 d 64.00 74.00 70.00 82.00 94.00 100.00 a 91.00 81.00 a 75.00 a 63.00 b 66.00 e 100.00
1973 64.00 b 58.00 a 53.00 a 74.00 85.00 90.00 a 91.00 b 90.00 82.00 a 76.00 60.00 a 65.00 b 91.00
1974 60.00 d 62.00 64.00 a 67.00 a 85.00 b 86.00 90.00 d 84.00 w 86.00 m 84.00 71.00 b 63.00 90.00
1975 72.00 64.00 63.00 62.00 82.00 90.00 95.00 a 88.00 90.00 80.00 70.00 70.00 95.00
1976 73.00 69.00 66.00 72.00 86.00 91.00 90.00 93.00 91.00 80.00 a 81.00 65.00 93.00
1977 70.00 71.00 65.00 71.00 78.00 87.00 91.00 a 94.00 88.00 80.00 72.00 64.00 94.00
1978 59.00 63.00 68.00 71.00 81.00 87.00 90.00 103.00 88.00 88.00 75.00 62.00 103.00
1979 54.00 62.00 69.00 65.00 82.00 84.00 90.00 89.00 92.00 80.00 65.00 70.00 b 92.00
1980 63.00 64.00 a 62.00 70.00 80.00 83.00 94.00 92.00 89.00 a 93.00 77.00 76.00 94.00
1981 65.00 68.00 61.00 82.00 81.00 91.00 89.00 100.00 86.00 76.00 74.00 64.00 100.00
1982 65.00 69.00 55.00 68.00 86.00 84.00 92.00 89.00 85.00 74.00 66.00 57.00 92.00
1983 70.00 60.00 59.00 61.00 84.00 82.00 90.00 90.00 90.00 77.00 68.00 57.00 90.00
1984 68.00 65.00 66.00 75.00 91.00 87.00 95.00 96.00 91.00 75.00 62.00 59.00 96.00
1985 66.00 66.00 61.00 78.00 71.00 85.00 a 85.00 83.00 77.00 82.00 ----- z ----- z 85.00
1986 67.00 72.00 71.00 73.00 78.00 83.00 88.00 84.00 85.00 75.00 72.00 67.00 88.00
1987 62.00 64.00 64.00 80.00 83.00 85.00 87.00 91.00 89.00 86.00 66.00 51.00 a 91.00
1988 68.00 65.00 68.00 75.00 78.00 89.00 94.00 92.00 98.00 85.00 70.00 68.00 98.00
1989 68.00 67.00 66.00 84.00 81.00 90.00 90.00 a 84.00 86.00 79.00 72.00 68.00 90.00
1990 58.00 66.00 64.00 74.00 78.00 87.00 89.00 91.00 81.00 79.00 74.00 67.00 91.00
1991 61.00 68.00 58.00 65.00 75.00 82.00 91.00 83.00 87.00 85.00 76.00 63.00 91.00
1992 66.00 69.00 60.00 73.00 80.00 82.00 84.00 88.00 85.00 81.00 71.00 63.00 88.00
1993 65.00 60.00 67.00 68.00 74.00 88.00 84.00 91.00 86.00 79.00 70.00 61.00 91.00
1994 68.00 b 59.00 67.00 71.00 76.00 85.00 86.00 87.00 84.00 75.00 61.00 63.00 87.00
1995 60.00 72.00 59.00 65.00 75.00 87.00 88.00 89.00 85.00 80.00 71.00 a 62.00 89.00
1996 68.00 70.00 68.00 74.00 78.00 85.00 90.00 93.00 82.00 88.00 74.00 61.00 93.00
1997 60.00 65.00 70.00 68.00 79.00 80.00 84.00 92.00 84.00 79.00 79.00 58.00 92.00
1998 56.00 47.00 60.00 74.00 62.00 75.00 90.00 96.00 91.00 73.00 60.00 72.00 96.00
1999 66.00 55.00 57.00 72.00 76.00 86.00 92.00 89.00 85.00 82.00 74.00 66.00 92.00
2000 56.00 62.00 61.00 71.00 85.00 91.00 87.00 90.00 86.00 78.00 62.00 66.00 91.00
2001 69.00 60.00 67.00 73.00 87.00 86.00 92.00 88.00 87.00 86.00 70.00 55.00 92.00
2002 57.00 68.00 69.00 70.00 80.00 83.00 93.00 88.00 87.00 80.00 73.00 58.00 93.00
2003 72.00 54.00 67.00 64.00 82.00 85.00 90.00 83.00 89.00 83.00 63.00 62.00 90.00
2004 61.00 55.00 73.00 78.00 79.00 80.00 85.00 89.00 86.00 79.00 61.00 70.00 89.00
2005 67.00 a 60.00 75.00 64.00 76.00 79.00 a 91.00 88.00 82.00 76.00 72.00 a 64.00 91.00
2006 65.00 70.00 55.00 73.00 81.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 81.00
Period of Record Statistics
MEAN 63.80 63.75 64.76 71.47 79.50 86.27 89.89 89.77 87.46 80.28 70.45 63.85 92.31
S.D. 5.16 5.51 5.19 6.25 4.81 4.05 3.24 4.16 4.19 4.65 5.21 5.17 3.30
SKEW -0.25 -0.35 -0.07 -1.32 -0.68 -0.30 0.29 0.72 0.15 0.20 -0.27 0.01 1.29
MAX 73.00 78.00 77.00 84.00 91.00 94.00 100.00 103.00 98.00 93.00 81.00 76.00 103.00
MIN 53.00 47.00 53.00 45.00 62.00 75.00 84.00 83.00 77.00 68.00 60.00 51.00 87.00
NO YRS 56 55 54 57 56 56 54 56 52 53 53 53 35