CHESTER, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(041700)

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 ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00 u 27.00 23.00 10.00 5.00 5.00
1958 9.00 10.00 12.00 18.00 25.00 32.00 34.00 40.00 21.00 18.00 7.00 14.00 7.00
1959 3.00 0.00 16.00 20.00 b 22.00 30.00 33.00 28.00 a 23.00 b 23.00 a 8.00 c 2.00 0.00
1960 -8.00 c 7.00 c 12.00 a 20.00 c 18.00 a 32.00 j 34.00 c 28.00 b 27.00 a 22.00 c 6.00 5.00 a -8.00
1961 5.00 b 14.00 a 14.00 16.00 22.00 d 29.00 c 27.00 a 29.00 a 23.00 a 14.00 a 4.00 -4.00 -4.00
1962 -11.00 a -10.00 6.00 20.00 a 20.00 25.00 34.00 a 30.00 a 25.00 a 23.00 b 10.00 b 5.00 b -11.00
1963 4.00 c 19.00 d 11.00 b 9.00 c 24.00 28.00 c 31.00 a 28.00 a 33.00 23.00 11.00 d 10.00 d 4.00
1964 10.00 a 11.00 k 10.00 a 15.00 c 19.00 33.00 a 33.00 a 31.00 g 27.00 g 22.00 c 3.00 a 8.00 a 3.00
1965 -1.00 a 10.00 18.00 23.00 c 14.00 30.00 33.00 b 29.00 a 15.00 a 21.00 b 7.00 a 2.00 e -1.00
1966 -2.00 -1.00 a -3.00 a 20.00 d 26.00 a 27.00 b 30.00 a 31.00 a 27.00 c 16.00 9.00 8.00 -3.00
1967 6.00 9.00 11.00 a 12.00 20.00 30.00 39.00 39.00 31.00 25.00 14.00 a 1.00 1.00
1968 -2.00 9.00 12.00 17.00 27.00 a 29.00 35.00 30.00 25.00 a 22.00 16.00 -7.00 -7.00
1969 -7.00 -7.00 2.00 18.00 a 26.00 35.00 37.00 a 33.00 a 30.00 20.00 14.00 6.00 -7.00
1970 -1.00 12.00 14.00 15.00 23.00 31.00 36.00 31.00 22.00 19.00 20.00 -3.00 -3.00
1971 -6.00 5.00 3.00 19.00 22.00 29.00 a 35.00 35.00 27.00 12.00 15.00 -2.00 -6.00
1972 -8.00 0.00 14.00 12.00 26.00 29.00 37.00 31.00 d 23.00 16.00 13.00 -16.00 -16.00
1973 -4.00 3.00 9.00 b 9.00 26.00 31.00 b 38.00 d 38.00 p 30.00 22.00 11.00 12.00 -4.00
1974 0.00 11.00 b 7.00 a 21.00 24.00 32.00 34.00 36.00 28.00 21.00 19.00 0.00 0.00
1975 2.00 7.00 14.00 16.00 25.00 29.00 31.00 c 33.00 c 32.00 22.00 11.00 7.00 2.00
1976 10.00 11.00 7.00 18.00 26.00 a 25.00 a 29.00 32.00 29.00 20.00 13.00 5.00 5.00
1977 -2.00 6.00 10.00 23.00 22.00 34.00 33.00 a 33.00 26.00 25.00 5.00 6.00 -2.00
1978 8.00 9.00 19.00 20.00 26.00 b 30.00 a 35.00 27.00 20.00 23.00 4.00 -4.00 -4.00
1979 -8.00 -2.00 9.00 18.00 25.00 30.00 a 32.00 33.00 28.00 22.00 12.00 5.00 -8.00
1980 5.00 15.00 15.00 18.00 24.00 27.00 33.00 29.00 a 29.00 21.00 17.00 7.00 5.00
1981 6.00 8.00 15.00 a 21.00 23.00 27.00 32.00 33.00 27.00 22.00 a 13.00 16.00 6.00
1982 -1.00 -2.00 12.00 12.00 26.00 24.00 35.00 30.00 27.00 23.00 15.00 3.00 e -2.00
1983 3.00 10.00 17.00 20.00 21.00 31.00 30.00 35.00 30.00 24.00 16.00 14.00 3.00
1984 1.00 10.00 17.00 19.00 22.00 30.00 39.00 37.00 28.00 20.00 14.00 7.00 1.00
1985 10.00 0.00 7.00 24.00 26.00 33.00 37.00 35.00 27.00 22.00 3.00 3.00 0.00
1986 13.00 12.00 21.00 20.00 21.00 34.00 37.00 40.00 j 27.00 25.00 15.00 16.00 12.00
1987 0.00 11.00 15.00 23.00 31.00 33.00 34.00 39.00 33.00 27.00 17.00 1.00 0.00
1988 -2.00 3.00 18.00 24.00 20.00 28.00 38.00 a 40.00 31.00 27.00 17.00 -6.00 -6.00
1989 3.00 -10.00 10.00 25.00 28.00 36.00 36.00 35.00 30.00 21.00 12.00 11.00 -10.00
1990 5.00 -5.00 9.00 26.00 26.00 29.00 37.00 39.00 34.00 25.00 10.00 -16.00 -16.00
1991 0.00 18.00 11.00 21.00 27.00 30.00 41.00 38.00 37.00 23.00 18.00 14.00 0.00
1992 8.00 18.00 23.00 22.00 30.00 29.00 36.00 37.00 30.00 29.00 16.00 0.00 0.00
1993 -10.00 5.00 13.00 23.00 28.00 32.00 36.00 37.00 29.00 27.00 14.00 9.00 -10.00
1994 10.00 7.00 19.00 24.00 29.00 33.00 41.00 a 36.00 31.00 21.00 4.00 4.00 4.00
1995 12.00 8.00 10.00 18.00 28.00 29.00 37.00 37.00 31.00 24.00 21.00 12.00 8.00
1996 13.00 4.00 14.00 23.00 28.00 35.00 38.00 39.00 29.00 21.00 22.00 17.00 4.00
1997 6.00 14.00 11.00 19.00 26.00 34.00 34.00 d 40.00 30.00 21.00 23.00 6.00 6.00
1998 14.00 13.00 6.00 14.00 25.00 33.00 38.00 35.00 29.00 21.00 16.00 -6.00 -6.00
1999 10.00 4.00 b 12.00 5.00 21.00 27.00 34.00 32.00 b 33.00 27.00 18.00 11.00 4.00
2000 10.00 15.00 19.00 27.00 d 23.00 35.00 39.00 b 38.00 30.00 23.00 14.00 17.00 10.00
2001 4.00 e 3.00 15.00 16.00 30.00 32.00 40.00 c 38.00 d 32.00 d 25.00 e 12.00 b 8.00 d 3.00
2002 2.00 7.00 9.00 19.00 25.00 27.00 40.00 35.00 31.00 19.00 20.00 i 11.00 2.00
2003 19.00 o 12.00 h 13.00 20.00 e 27.00 35.00 m 39.00 l 39.00 35.00 24.00 15.00 10.00 10.00
2004 1.00 13.00 21.00 26.00 28.00 33.00 41.00 41.00 30.00 25.00 10.00 12.00 1.00
2005 8.00 18.00 21.00 18.00 29.00 ----- z 45.00 38.00 29.00 28.00 15.00 f 14.00 8.00
2006 16.00 4.00 10.00 c 22.00 a 31.00 b 37.00 a 41.00 m ----- z ----- z ----- z ----- z ----- z 4.00
Period of Record Statistics
MEAN 3.00 6.91 12.45 18.94 24.71 30.57 35.49 34.40 28.35 22.22 12.64 5.31 -1.50
S.D. 6.78 7.11 5.22 4.63 3.55 3.03 3.57 4.01 4.06 3.37 5.11 7.72 6.32
SKEW -0.19 -0.52 -0.35 -0.79 -0.53 -0.01 0.09 -0.18 -0.82 -0.66 -0.18 -0.78 -0.61
MAX 16.00 19.00 23.00 27.00 31.00 37.00 45.00 41.00 37.00 29.00 23.00 17.00 8.00
MIN -11.00 -10.00 -3.00 5.00 14.00 24.00 27.00 27.00 15.00 12.00 3.00 -16.00 -16.00
NO YRS 48 47 49 49 49 46 47 45 48 49 47 49 32