STONY GORGE RESERVOIR, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(048587)

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 47.00 50.00 40.00 32.00 23.00 16.00 g 16.00
1949 18.00 20.00 31.00 37.00 39.00 a 47.00 54.00 49.00 47.00 31.00 36.00 23.00 18.00
1950 16.00 18.00 23.00 32.00 28.00 41.00 56.00 50.00 36.00 39.00 34.00 29.00 16.00
1951 27.00 25.00 25.00 32.00 39.00 43.00 50.00 48.00 a 47.00 39.00 28.00 c 24.00 24.00
1952 22.00 29.00 27.00 33.00 37.00 37.00 54.00 52.00 43.00 42.00 23.00 29.00 22.00
1953 30.00 27.00 28.00 28.00 35.00 46.00 55.00 50.00 50.00 36.00 32.00 26.00 26.00
1954 27.00 31.00 28.00 34.00 41.00 40.00 52.00 49.00 42.00 36.00 28.00 22.00 22.00
1955 25.00 22.00 25.00 29.00 38.00 40.00 48.00 51.00 41.00 29.00 25.00 24.00 22.00
1956 22.00 21.00 28.00 32.00 38.00 46.00 55.00 52.00 45.00 30.00 28.00 19.00 19.00
1957 18.00 20.00 30.00 36.00 40.00 45.00 55.00 49.00 a 49.00 40.00 27.00 27.00 18.00
1958 28.00 33.00 30.00 31.00 42.00 45.00 55.00 57.00 40.00 38.00 28.00 30.00 28.00
1959 22.00 26.00 30.00 37.00 35.00 47.00 55.00 48.00 44.00 41.00 30.00 26.00 22.00
1960 19.00 28.00 31.00 31.00 35.00 52.00 53.00 50.00 46.00 37.00 29.00 26.00 19.00
1961 20.00 27.00 28.00 29.00 35.00 47.00 50.00 53.00 47.00 a 32.00 25.00 22.00 20.00
1962 21.00 19.00 28.00 33.00 36.00 43.00 g 55.00 b 53.00 c 46.00 40.00 30.00 22.00 19.00
1963 21.00 37.00 29.00 32.00 39.00 44.00 48.00 52.00 47.00 34.00 29.00 25.00 21.00
1964 26.00 25.00 25.00 29.00 31.00 46.00 51.00 52.00 44.00 37.00 25.00 24.00 24.00
1965 25.00 30.00 32.00 34.00 34.00 42.00 51.00 54.00 41.00 41.00 28.00 20.00 20.00
1966 23.00 26.00 24.00 35.00 42.00 39.00 48.00 47.00 44.00 35.00 29.00 25.00 23.00
1967 23.00 28.00 28.00 28.00 34.00 45.00 55.00 56.00 51.00 41.00 29.00 21.00 21.00
1968 21.00 29.00 29.00 31.00 39.00 45.00 54.00 47.00 41.00 33.00 30.00 21.00 21.00
1969 22.00 28.00 27.00 a 33.00 38.00 48.00 55.00 52.00 49.00 35.00 26.00 26.00 22.00
1970 20.00 29.00 31.00 27.00 37.00 47.00 56.00 53.00 46.00 31.00 34.00 26.00 20.00
1971 25.00 22.00 25.00 28.00 35.00 41.00 50.00 50.00 38.00 26.00 29.00 23.00 22.00
1972 22.00 23.00 23.00 27.00 36.00 39.00 53.00 50.00 42.00 31.00 29.00 11.00 11.00
1973 20.00 30.00 31.00 31.00 40.00 46.00 55.00 48.00 45.00 38.00 30.00 29.00 20.00
1974 18.00 29.00 28.00 33.00 34.00 50.00 50.00 52.00 48.00 33.00 28.00 21.00 18.00
1975 21.00 27.00 21.00 31.00 33.00 43.00 49.00 51.00 48.00 34.00 27.00 22.00 21.00
1976 20.00 26.00 25.00 30.00 42.00 45.00 49.00 50.00 50.00 39.00 30.00 24.00 20.00
1977 23.00 26.00 26.00 35.00 32.00 51.00 54.00 50.00 47.00 40.00 22.00 26.00 22.00
1978 30.00 31.00 36.00 32.00 37.00 48.00 51.00 47.00 43.00 42.00 23.00 20.00 g 20.00
1979 21.00 23.00 33.00 33.00 35.00 46.00 50.00 51.00 48.00 34.00 26.00 25.00 21.00
1980 20.00 30.00 29.00 30.00 36.00 42.00 50.00 53.00 47.00 36.00 30.00 25.00 20.00
1981 28.00 28.00 32.00 34.00 37.00 48.00 48.00 53.00 45.00 38.00 31.00 32.00 28.00
1982 20.00 25.00 30.00 30.00 39.00 41.00 50.00 51.00 45.00 35.00 27.00 24.00 20.00
1983 25.00 ----- z 31.00 m 32.00 36.00 45.00 47.00 52.00 46.00 41.00 29.00 27.00 25.00
1984 27.00 28.00 ----- z 35.00 37.00 44.00 a 50.00 52.00 45.00 ----- z ----- z ----- z 27.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.00 22.00 22.00 22.00
1986 28.00 26.00 30.00 30.00 34.00 48.00 52.00 55.00 39.00 36.00 29.00 23.00 23.00
1987 23.00 26.00 30.00 39.00 41.00 46.00 51.00 54.00 51.00 42.00 29.00 25.00 23.00
1988 26.00 27.00 30.00 37.00 32.00 41.00 54.00 54.00 45.00 41.00 30.00 21.00 21.00
1989 24.00 14.00 28.00 38.00 39.00 49.00 50.00 50.00 47.00 34.00 28.00 24.00 14.00
1990 25.00 23.00 27.00 37.00 39.00 40.00 54.00 52.00 49.00 37.00 28.00 9.00 9.00
1991 21.00 32.00 31.00 35.00 38.00 43.00 55.00 46.00 51.00 35.00 30.00 27.00 21.00
1992 26.00 31.00 32.00 34.00 44.00 41.00 51.00 48.00 47.00 42.00 25.00 21.00 21.00
1993 22.00 26.00 31.00 30.00 37.00 45.00 52.00 49.00 43.00 39.00 22.00 21.00 21.00
1994 27.00 26.00 30.00 32.00 42.00 43.00 54.00 47.00 47.00 34.00 23.00 22.00 22.00
1995 29.00 26.00 28.00 30.00 37.00 40.00 48.00 48.00 44.00 33.00 32.00 27.00 26.00
1996 26.00 22.00 28.00 30.00 38.00 48.00 50.00 53.00 43.00 31.00 31.00 27.00 22.00
1997 19.00 29.00 27.00 31.00 34.00 49.00 49.00 53.00 45.00 35.00 35.00 25.00 19.00
1998 26.00 32.00 30.00 31.00 35.00 48.00 55.00 53.00 44.00 34.00 31.00 15.00 15.00
1999 23.00 25.00 28.00 28.00 34.00 40.00 48.00 49.00 45.00 36.00 27.00 25.00 23.00
2000 22.00 30.00 32.00 34.00 34.00 45.00 49.00 50.00 42.00 36.00 25.00 27.00 22.00
2001 23.00 24.00 31.00 28.00 43.00 44.00 55.00 52.00 48.00 42.00 28.00 27.00 23.00
2002 22.00 24.00 26.00 30.00 39.00 52.00 55.00 51.00 47.00 33.00 31.00 31.00 22.00
2003 32.00 27.00 32.00 31.00 35.00 47.00 52.00 51.00 48.00 39.00 24.00 24.00 24.00
2004 28.00 e 28.00 33.00 36.00 41.00 46.00 54.00 53.00 40.00 ----- z 27.00 25.00 25.00
2005 27.00 32.00 24.00 30.00 37.00 39.00 55.00 52.00 44.00 36.00 27.00 24.00 24.00
2006 29.00 23.00 21.00 34.00 41.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 21.00
Period of Record Statistics
MEAN 23.58 26.41 28.45 32.09 37.11 44.64 51.95 50.95 45.12 36.16 28.09 23.96 20.90
S.D. 3.59 4.12 3.11 2.94 3.23 3.55 2.73 2.37 3.36 3.81 3.21 4.12 3.51
SKEW 0.20 -0.39 -0.37 0.35 -0.14 -0.04 -0.17 0.07 -0.43 -0.23 0.04 -1.31 -1.05
MAX 32.00 37.00 36.00 39.00 44.00 52.00 56.00 57.00 51.00 42.00 36.00 32.00 28.00
MIN 16.00 14.00 21.00 27.00 28.00 37.00 47.00 46.00 36.00 26.00 22.00 9.00 9.00
NO YRS 57 56 55 57 57 55 57 57 57 56 57 55 51