WHISKEYTOWN RESERVOIR, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(049621)

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
1960 ----- z ----- z ----- z 32.00 t 36.00 k 51.00 h 54.00 l 49.00 h 47.00 i 37.00 j 31.00 i 27.00 j 27.00
1961 25.00 j 31.00 i 32.00 h 31.00 j 38.00 i 48.00 g 52.00 j 53.00 g 47.00 p 32.00 i 29.00 i 25.00 k 25.00
1962 17.00 h 18.00 i 28.00 i 36.00 i 42.00 i 44.00 i 55.00 h 56.00 e 46.00 g 41.00 d 32.00 e 23.00 k 17.00
1963 19.00 h 38.00 i 27.00 i 30.00 h 40.00 h 47.00 i 47.00 i 55.00 j 54.00 h 43.00 h 33.00 d 31.00 k 19.00
1964 31.00 i 31.00 j 31.00 i 33.00 h 32.00 h 47.00 51.00 56.00 48.00 43.00 32.00 a 30.00 a 30.00
1965 27.00 b 30.00 37.00 32.00 39.00 49.00 54.00 56.00 47.00 41.00 33.00 a 25.00 b 25.00
1966 27.00 a 29.00 a 27.00 a 38.00 48.00 a 44.00 52.00 52.00 c 48.00 b 41.00 32.00 30.00 27.00
1967 30.00 34.00 30.00 31.00 39.00 45.00 60.00 63.00 55.00 42.00 34.00 25.00 a 25.00
1968 24.00 a 28.00 36.00 36.00 41.00 49.00 54.00 50.00 45.00 40.00 30.00 25.00 c 24.00
1969 25.00 g 29.00 32.00 38.00 43.00 54.00 61.00 59.00 52.00 40.00 35.00 a 34.00 25.00
1970 29.00 a 34.00 33.00 36.00 35.00 48.00 58.00 56.00 41.00 38.00 37.00 a 29.00 29.00
1971 26.00 28.00 a 26.00 35.00 40.00 46.00 56.00 56.00 43.00 28.00 a 35.00 28.00 26.00
1972 25.00 27.00 32.00 35.00 41.00 44.00 57.00 53.00 b 47.00 38.00 36.00 16.00 16.00
1973 24.00 35.00 33.00 38.00 46.00 49.00 56.00 55.00 51.00 ----- z 34.00 33.00 24.00
1974 25.00 a 31.00 30.00 35.00 36.00 52.00 52.00 56.00 56.00 43.00 35.00 30.00 25.00
1975 24.00 27.00 33.00 32.00 38.00 46.00 50.00 51.00 54.00 36.00 27.00 30.00 24.00
1976 28.00 28.00 29.00 33.00 48.00 a 47.00 54.00 49.00 40.00 44.00 31.00 28.00 28.00
1977 28.00 31.00 30.00 39.00 38.00 51.00 57.00 55.00 48.00 38.00 27.00 30.00 27.00
1978 32.00 32.00 38.00 34.00 42.00 50.00 53.00 51.00 46.00 43.00 28.00 24.00 24.00
1979 24.00 27.00 34.00 ----- z 40.00 50.00 55.00 53.00 53.00 39.00 34.00 31.00 24.00
1980 28.00 35.00 34.00 35.00 41.00 49.00 53.00 50.00 a 48.00 39.00 35.00 31.00 a 28.00
1981 32.00 33.00 35.00 37.00 42.00 49.00 55.00 55.00 45.00 38.00 32.00 35.00 32.00
1982 24.00 29.00 32.00 30.00 42.00 48.00 53.00 55.00 46.00 41.00 32.00 30.00 24.00
1983 31.00 30.00 35.00 33.00 37.00 50.00 49.00 55.00 50.00 46.00 33.00 28.00 28.00
1984 28.00 31.00 33.00 35.00 43.00 47.00 51.00 54.00 46.00 35.00 32.00 28.00 28.00
1985 28.00 27.00 30.00 39.00 44.00 46.00 55.00 54.00 47.00 39.00 25.00 29.00 25.00
1986 33.00 29.00 33.00 38.00 39.00 55.00 55.00 56.00 42.00 43.00 36.00 30.00 29.00
1987 21.00 30.00 31.00 35.00 44.00 49.00 51.00 54.00 52.00 47.00 30.00 25.00 21.00
1988 29.00 31.00 32.00 ----- z 36.00 42.00 53.00 51.00 47.00 44.00 31.00 22.00 22.00
1989 27.00 18.00 28.00 30.00 41.00 50.00 53.00 52.00 44.00 32.00 33.00 31.00 18.00
1990 31.00 24.00 30.00 44.00 42.00 42.00 56.00 52.00 50.00 42.00 30.00 11.00 11.00
1991 28.00 34.00 31.00 33.00 41.00 50.00 60.00 52.00 51.00 36.00 29.00 32.00 28.00
1992 29.00 31.00 38.00 41.00 49.00 42.00 54.00 56.00 49.00 43.00 31.00 26.00 26.00
1993 25.00 28.00 33.00 38.00 40.00 43.00 57.00 53.00 50.00 46.00 25.00 30.00 25.00
1994 33.00 31.00 32.00 37.00 43.00 49.00 58.00 50.00 46.00 38.00 28.00 27.00 27.00
1995 32.00 30.00 30.00 35.00 38.00 42.00 52.00 49.00 53.00 43.00 38.00 32.00 30.00
1996 31.00 30.00 34.00 33.00 45.00 52.00 55.00 56.00 49.00 34.00 37.00 28.00 28.00
1997 25.00 33.00 28.00 28.00 42.00 50.00 52.00 56.00 50.00 38.00 38.00 30.00 25.00
1998 31.00 31.00 34.00 34.00 37.00 50.00 57.00 56.00 50.00 41.00 37.00 23.00 23.00
1999 28.00 23.00 31.00 32.00 33.00 41.00 53.00 56.00 55.00 43.00 35.00 32.00 a 23.00
2000 29.00 b 30.00 33.00 43.00 41.00 53.00 a 54.00 56.00 48.00 42.00 31.00 34.00 29.00
2001 30.00 30.00 34.00 31.00 48.00 49.00 59.00 58.00 54.00 50.00 32.00 30.00 30.00
2002 26.00 27.00 29.00 34.00 40.00 46.00 ----- z 56.00 51.00 38.00 30.00 30.00 26.00
2003 32.00 25.00 34.00 37.00 39.00 56.00 57.00 52.00 53.00 40.00 29.00 28.00 25.00
2004 28.00 30.00 34.00 39.00 44.00 52.00 58.00 57.00 43.00 37.00 ----- z 30.00 28.00
2005 31.00 31.00 36.00 34.00 39.00 45.00 59.00 57.00 50.00 39.00 31.00 29.00 29.00
2006 32.00 28.00 29.00 33.00 48.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00
Period of Record Statistics
MEAN 28.17 29.50 32.21 35.25 41.24 48.05 54.85 54.30 48.64 40.21 32.21 28.31 25.44
S.D. 3.01 3.28 2.82 3.46 3.75 3.68 2.92 2.87 3.92 4.05 3.30 4.47 4.17
SKEW -0.23 -0.99 -0.01 0.38 0.25 -0.07 0.18 0.22 -0.18 -0.41 -0.23 -1.84 -1.54
MAX 33.00 35.00 38.00 44.00 49.00 56.00 61.00 63.00 56.00 50.00 38.00 35.00 32.00
MIN 21.00 18.00 26.00 28.00 33.00 41.00 49.00 49.00 40.00 28.00 25.00 11.00 11.00
NO YRS 41 42 42 40 42 42 41 43 42 42 43 42 34