HETCH HETCHY, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(043939)

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 68.00 f 64.00 73.00 86.00 86.00 89.00 101.00 99.00 92.00 84.00 81.00 54.00 101.00
1932 58.00 74.00 74.00 78.00 83.00 97.00 94.00 96.00 97.00 87.00 83.00 63.00 97.00
1933 58.00 61.00 66.00 79.00 87.00 93.00 99.00 104.00 88.00 92.00 82.00 63.00 104.00
1934 63.00 67.00 77.00 84.00 88.00 93.00 102.00 98.00 94.00 90.00 75.00 66.00 102.00
1935 55.00 71.00 71.00 76.00 82.00 90.00 95.00 95.00 93.00 84.00 66.00 67.00 95.00
1936 61.00 66.00 76.00 83.00 87.00 94.00 96.00 95.00 94.00 88.00 77.00 62.00 96.00
1937 46.00 64.00 69.00 76.00 86.00 95.00 98.00 98.00 95.00 84.00 b 71.00 e 65.00 98.00
1938 66.00 63.00 67.00 81.00 86.00 90.00 98.00 95.00 91.00 78.00 70.00 66.00 98.00
1939 67.00 66.00 76.00 82.00 88.00 91.00 98.00 97.00 90.00 84.00 77.00 67.00 98.00
1940 61.00 60.00 73.00 82.00 87.00 94.00 94.00 97.00 89.00 86.00 74.00 68.00 97.00
1941 65.00 66.00 74.00 73.00 87.00 87.00 99.00 89.00 90.00 83.00 77.00 61.00 99.00
1942 58.00 59.00 77.00 76.00 89.00 90.00 99.00 95.00 90.00 86.00 76.00 62.00 99.00
1943 66.00 71.00 70.00 80.00 87.00 89.00 95.00 94.00 94.00 89.00 72.00 61.00 95.00
1944 64.00 65.00 a 71.00 78.00 81.00 91.00 90.00 98.00 97.00 82.00 62.00 60.00 98.00
1945 64.00 64.00 69.00 81.00 84.00 92.00 96.00 93.00 99.00 86.00 75.00 59.00 99.00
1946 64.00 66.00 75.00 86.00 81.00 90.00 91.00 97.00 91.00 81.00 63.00 61.00 97.00
1947 65.00 71.00 79.00 85.00 88.00 88.00 95.00 93.00 95.00 89.00 69.00 62.00 95.00
1948 68.00 64.00 63.00 71.00 80.00 91.00 93.00 92.00 94.00 83.00 67.00 60.00 94.00
1949 50.00 60.00 64.00 82.00 87.00 91.00 94.00 a 92.00 93.00 84.00 82.00 67.00 94.00
1950 52.00 72.00 75.00 b 83.00 91.00 g 94.00 97.00 99.00 98.00 89.00 77.00 61.00 99.00
1951 63.00 69.00 73.00 83.00 89.00 b 90.00 94.00 95.00 96.00 88.00 78.00 60.00 96.00
1952 52.00 61.00 71.00 80.00 85.00 85.00 92.00 90.00 93.00 90.00 73.00 56.00 93.00
1953 64.00 68.00 a 73.00 81.00 76.00 87.00 95.00 95.00 94.00 86.00 75.00 64.00 95.00
1954 62.00 74.00 70.00 85.00 90.00 96.00 95.00 g 93.00 94.00 89.00 75.00 57.00 96.00
1955 54.00 69.00 77.00 71.00 b 87.00 96.00 95.00 96.00 100.00 86.00 83.00 59.00 100.00
1956 55.00 g 62.00 73.00 77.00 86.00 c 94.00 92.00 88.00 92.00 81.00 i 76.00 64.00 94.00
1957 55.00 a 72.00 70.00 h 81.00 b 84.00 c 94.00 a 90.00 d 92.00 95.00 75.00 68.00 b 60.00 i 95.00
1958 60.00 70.00 65.00 80.00 85.00 e 89.00 a 94.00 94.00 95.00 d 89.00 78.00 68.00 95.00
1959 64.00 66.00 73.00 82.00 86.00 96.00 99.00 99.00 92.00 88.00 73.00 68.00 99.00
1960 59.00 62.00 78.00 81.00 85.00 a 95.00 a 100.00 a 97.00 93.00 a 80.00 a 77.00 c 62.00 a 100.00
1961 64.00 a 68.00 b 69.00 85.00 75.00 a 99.00 103.00 94.00 86.00 a 90.00 a 74.00 b 60.00 b 103.00
1962 71.00 c 67.00 d 72.00 d 82.00 d 79.00 a 90.00 a 92.00 b 94.00 91.00 b 86.00 b 78.00 b 63.00 a 94.00
1963 60.00 a 72.00 c 68.00 71.00 83.00 a 87.00 89.00 a 91.00 94.00 a 91.00 66.00 c 62.00 a 94.00
1964 66.00 a 70.00 72.00 80.00 a 81.00 a 92.00 a 94.00 93.00 90.00 a 90.00 a 68.00 d 57.00 a 94.00
1965 62.00 78.00 b 70.00 b 79.00 c 82.00 83.00 90.00 90.00 85.00 a 90.00 b 77.00 a 57.00 d 90.00
1966 58.00 c 63.00 a 80.00 b 84.00 ----- z 93.00 d 92.00 95.00 90.00 84.00 a 82.00 c 58.00 a 95.00
1967 62.00 a 69.00 b 70.00 56.00 92.00 92.00 94.00 94.00 89.00 c 83.00 a 77.00 c 58.00 b 94.00
1968 65.00 a 73.00 b 74.00 77.00 84.00 92.00 92.00 a 95.00 92.00 80.00 68.00 a 56.00 b 95.00
1969 56.00 a 50.00 e 74.00 i 84.00 b 85.00 85.00 90.00 93.00 91.00 c 81.00 73.00 c 58.00 93.00
1970 55.00 a 66.00 b 71.00 71.00 86.00 91.00 93.00 95.00 90.00 a 88.00 a 74.00 c 55.00 c 95.00
1971 61.00 b 75.00 b 75.00 a 74.00 a 76.00 86.00 92.00 97.00 95.00 86.00 a 73.00 a 55.00 c 97.00
1972 56.00 a 70.00 c 78.00 76.00 86.00 95.00 101.00 95.00 85.00 79.00 a 65.00 c 62.00 c 101.00
1973 ----- z 62.00 b 61.00 d 79.00 88.00 92.00 94.00 93.00 a 87.00 a 81.00 d 72.00 b 57.00 d 94.00
1974 62.00 a 63.00 b 69.00 73.00 88.00 89.00 89.00 90.00 88.00 85.00 66.00 d 56.00 c 90.00
1975 72.00 a 67.00 b 70.00 a 65.00 87.00 ----- z 95.00 f 96.00 96.00 a 84.00 c 70.00 b 64.00 a 96.00
1976 66.00 g 67.00 b 72.00 75.00 87.00 92.00 90.00 a 94.00 96.00 b 82.00 a 81.00 b 61.00 a 96.00
1977 65.00 a 76.00 a 70.00 79.00 83.00 92.00 95.00 a 97.00 92.00 a 85.00 a 72.00 a 64.00 a 97.00
1978 61.00 66.00 b 74.00 75.00 83.00 90.00 95.00 a 95.00 88.00 f ----- z 75.00 b ----- z 95.00
1979 ----- z 61.00 b 73.00 75.00 84.00 a 90.00 94.00 a 93.00 93.00 b 89.00 a 65.00 b 61.00 a 94.00
1980 60.00 a 67.00 b 66.00 78.00 83.00 a 86.00 96.00 102.00 a 91.00 b 93.00 a 80.00 b 65.00 a 102.00
1981 68.00 a 70.00 b 64.00 86.00 86.00 a 91.00 94.00 100.00 88.00 a 81.00 a 71.00 b 58.00 a 100.00
1982 52.00 71.00 64.00 73.00 89.00 87.00 93.00 91.00 89.00 73.00 69.00 55.00 93.00
1983 64.00 67.00 67.00 70.00 91.00 85.00 90.00 94.00 99.00 76.00 65.00 53.00 99.00
1984 67.00 67.00 72.00 81.00 95.00 89.00 95.00 96.00 92.00 80.00 66.00 58.00 96.00
1985 61.00 70.00 67.00 84.00 81.00 94.00 93.00 93.00 87.00 87.00 73.00 62.00 94.00
1986 64.00 78.00 78.00 80.00 88.00 91.00 89.00 93.00 92.00 79.00 75.00 58.00 93.00
1987 56.00 66.00 69.00 81.00 84.00 93.00 97.00 96.00 92.00 91.00 65.00 56.00 97.00
1988 63.00 69.00 78.00 78.00 84.00 90.00 99.00 95.00 98.00 88.00 77.00 59.00 99.00
1989 56.00 68.00 68.00 86.00 82.00 86.00 98.00 89.00 87.00 80.00 68.00 b 63.00 98.00
1990 58.00 65.00 72.00 78.00 83.00 92.00 94.00 96.00 90.00 84.00 73.00 64.00 96.00
1991 59.00 69.00 63.00 71.00 79.00 89.00 96.00 91.00 91.00 87.00 75.00 a 56.00 96.00
1992 64.00 70.00 68.00 80.00 85.00 90.00 90.00 93.00 90.00 84.00 66.00 58.00 93.00
1993 56.00 64.00 74.00 77.00 83.00 89.00 87.00 93.00 93.00 87.00 74.00 55.00 93.00
1994 63.00 60.00 75.00 80.00 82.00 93.00 93.00 95.00 88.00 78.00 69.00 ----- z 95.00
1995 57.00 73.00 66.00 74.00 a 79.00 91.00 93.00 94.00 92.00 83.00 74.00 64.00 94.00
1996 62.00 68.00 73.00 79.00 85.00 90.00 94.00 95.00 91.00 92.00 71.00 60.00 95.00
1997 58.00 65.00 78.00 74.00 85.00 88.00 ----- z 99.00 87.00 86.00 79.00 58.00 99.00
1998 60.00 53.00 68.00 79.00 75.00 81.00 94.00 95.00 90.00 72.00 62.00 69.00 95.00
1999 61.00 59.00 64.00 76.00 82.00 88.00 93.00 85.00 91.00 85.00 75.00 65.00 93.00
2000 60.00 66.00 a 69.00 79.00 88.00 95.00 93.00 96.00 91.00 86.00 62.00 62.00 96.00
2001 59.00 58.00 75.00 80.00 89.00 91.00 96.00 95.00 88.00 91.00 72.00 53.00 96.00
2002 58.00 73.00 77.00 79.00 86.00 89.00 99.00 95.00 92.00 83.00 70.00 58.00 99.00
2003 63.00 61.00 73.00 73.00 91.00 90.00 96.00 92.00 93.00 85.00 61.00 58.00 96.00
2004 60.00 55.00 82.00 83.00 86.00 89.00 93.00 97.00 94.00 84.00 68.00 57.00 97.00
2005 58.00 62.00 78.00 76.00 85.00 85.00 96.00 94.00 89.00 83.00 72.00 55.00 96.00
2006 57.00 72.00 66.00 81.00 89.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 89.00
Period of Record Statistics
MEAN 60.62 66.53 71.54 78.41 84.88 90.58 94.51 94.57 91.93 84.82 72.53 60.50 96.45
S.D. 4.81 5.37 4.64 5.15 3.83 3.37 3.37 3.08 3.33 4.47 5.52 4.02 2.49
SKEW -0.35 -0.40 -0.10 -1.30 -0.44 -0.20 0.28 -0.02 0.20 -0.60 -0.14 0.19 0.66
MAX 72.00 78.00 82.00 86.00 95.00 99.00 103.00 104.00 100.00 93.00 83.00 69.00 104.00
MIN 46.00 50.00 61.00 56.00 75.00 81.00 87.00 85.00 85.00 72.00 61.00 53.00 93.00
NO YRS 71 76 74 76 74 74 72 75 74 73 75 72 44