CALLAHAN, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(041316)

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 19.00 26.00 32.00 40.00 36.00 34.00 25.00 24.00 17.00 17.00
1954 12.00 22.00 17.00 23.00 21.00 28.00 40.00 36.00 26.00 17.00 14.00 9.00 9.00
1955 6.00 14.00 14.00 18.00 24.00 29.00 34.00 40.00 28.00 19.00 9.00 14.00 6.00
1956 5.00 4.00 10.00 23.00 28.00 32.00 39.00 38.00 33.00 22.00 17.00 8.00 4.00
1957 -6.00 9.00 21.00 24.00 32.00 c 33.00 b 38.00 35.00 29.00 23.00 14.00 14.00 -6.00
1958 14.00 22.00 18.00 21.00 28.00 34.00 46.00 42.00 26.00 23.00 11.00 18.00 11.00
1959 10.00 14.00 20.00 22.00 23.00 33.00 36.00 39.00 29.00 21.00 19.00 12.00 10.00
1960 4.00 15.00 18.00 21.00 26.00 29.00 35.00 32.00 27.00 23.00 a 20.00 13.00 4.00
1961 10.00 22.00 20.00 21.00 27.00 37.00 36.00 41.00 29.00 20.00 9.00 12.00 9.00
1962 -6.00 b 8.00 20.00 c 25.00 29.00 29.00 38.00 39.00 33.00 27.00 19.00 12.00 -6.00
1963 4.00 25.00 19.00 18.00 28.00 31.00 35.00 39.00 35.00 26.00 20.00 15.00 4.00
1964 14.00 17.00 20.00 20.00 22.00 35.00 39.00 35.00 29.00 25.00 16.00 6.00 6.00
1965 9.00 18.00 20.00 26.00 24.00 33.00 39.00 38.00 25.00 26.00 17.00 10.00 9.00
1966 2.00 b 15.00 15.00 a 22.00 b ----- z 27.00 35.00 36.00 29.00 21.00 21.00 18.00 2.00
1967 15.00 17.00 15.00 a 18.00 b 25.00 34.00 44.00 43.00 37.00 a 27.00 a 19.00 b 1.00 a 1.00
1968 4.00 15.00 22.00 21.00 a 24.00 a 34.00 42.00 a 36.00 a 26.00 25.00 c 20.00 b 7.00 4.00
1969 7.00 13.00 12.00 26.00 b 21.00 35.00 b 40.00 36.00 a 33.00 23.00 17.00 17.00 7.00
1970 10.00 20.00 21.00 20.00 24.00 38.00 43.00 37.00 a 23.00 b 20.00 22.00 b ----- z 10.00
1971 ----- z ----- z ----- z ----- z ----- z ----- z 36.00 c 39.00 34.00 15.00 21.00 10.00 10.00
1972 8.00 9.00 19.00 19.00 30.00 32.00 41.00 35.00 29.00 18.00 24.00 -9.00 -9.00
1973 10.00 21.00 23.00 a 22.00 31.00 33.00 36.00 36.00 35.00 28.00 18.00 23.00 10.00
1974 -1.00 18.00 4.00 26.00 25.00 36.00 a 36.00 40.00 35.00 27.00 22.00 -1.00 -1.00
1975 7.00 16.00 19.00 21.00 d 27.00 31.00 39.00 38.00 37.00 25.00 17.00 16.00 7.00
1976 16.00 9.00 18.00 19.00 29.00 30.00 32.00 42.00 a 38.00 28.00 14.00 a 15.00 9.00
1977 2.00 19.00 19.00 24.00 26.00 26.00 40.00 39.00 b 32.00 24.00 11.00 17.00 2.00
1978 21.00 20.00 23.00 26.00 26.00 34.00 42.00 40.00 30.00 23.00 12.00 8.00 8.00
1979 8.00 10.00 22.00 27.00 a 27.00 34.00 39.00 42.00 39.00 27.00 16.00 18.00 8.00
1980 10.00 23.00 23.00 24.00 27.00 34.00 a 40.00 40.00 34.00 c 28.00 18.00 16.00 10.00
1981 18.00 20.00 21.00 25.00 26.00 33.00 34.00 40.00 32.00 27.00 19.00 a 22.00 18.00
1982 6.00 14.00 23.00 21.00 29.00 33.00 37.00 43.00 32.00 25.00 18.00 9.00 6.00
1983 12.00 21.00 24.00 24.00 25.00 34.00 37.00 44.00 31.00 29.00 22.00 11.00 11.00
1984 13.00 19.00 23.00 23.00 27.00 32.00 43.00 42.00 27.00 23.00 18.00 11.00 11.00
1985 16.00 13.00 16.00 26.00 26.00 35.00 42.00 38.00 34.00 21.00 11.00 13.00 11.00
1986 23.00 18.00 21.00 25.00 27.00 36.00 37.00 44.00 31.00 29.00 24.00 17.00 17.00
1987 7.00 16.00 19.00 22.00 30.00 32.00 39.00 41.00 31.00 31.00 19.00 12.00 7.00
1988 13.00 16.00 18.00 22.00 26.00 32.00 39.00 42.00 30.00 31.00 18.00 9.00 9.00
1989 14.00 -1.00 15.00 28.00 27.00 36.00 37.00 34.00 36.00 23.00 17.00 17.00 -1.00
1990 15.00 8.00 18.00 25.00 27.00 34.00 41.00 39.00 39.00 26.00 19.00 -6.00 -6.00
1991 11.00 22.00 21.00 19.00 28.00 28.00 45.00 41.00 34.00 22.00 18.00 18.00 11.00
1992 18.00 21.00 27.00 22.00 32.00 34.00 42.00 37.00 29.00 30.00 20.00 15.00 15.00
1993 7.00 16.00 26.00 23.00 27.00 31.00 30.00 35.00 29.00 30.00 11.00 16.00 7.00
1994 18.00 17.00 20.00 25.00 31.00 32.00 40.00 41.00 35.00 23.00 15.00 13.00 13.00
1995 24.00 17.00 19.00 24.00 28.00 31.00 40.00 36.00 34.00 25.00 21.00 17.00 17.00
1996 18.00 18.00 21.00 25.00 25.00 34.00 34.00 39.00 32.00 23.00 23.00 20.00 18.00
1997 9.00 20.00 21.00 20.00 26.00 35.00 40.00 45.00 34.00 24.00 28.00 15.00 9.00
1998 20.00 25.00 23.00 23.00 26.00 37.00 45.00 42.00 37.00 24.00 22.00 -1.00 -1.00
1999 14.00 12.00 19.00 22.00 26.00 23.00 32.00 36.00 30.00 25.00 a 20.00 19.00 12.00
2000 20.00 21.00 24.00 24.00 26.00 a 31.00 37.00 40.00 31.00 25.00 16.00 19.00 16.00
2001 13.00 9.00 21.00 a 21.00 28.00 30.00 42.00 43.00 33.00 24.00 15.00 21.00 9.00
2002 10.00 18.00 15.00 24.00 25.00 30.00 38.00 36.00 30.00 16.00 12.00 14.00 10.00
2003 20.00 17.00 22.00 24.00 25.00 34.00 42.00 41.00 31.00 26.00 17.00 17.00 17.00
2004 6.00 20.00 25.00 25.00 28.00 37.00 42.00 39.00 29.00 26.00 14.00 14.00 6.00
2005 9.00 21.00 21.00 22.00 31.00 32.00 43.00 37.00 27.00 25.00 20.00 11.00 9.00
2006 18.00 13.00 14.00 23.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 13.00
Period of Record Statistics
MEAN 10.90 16.27 19.40 22.70 26.71 32.48 38.83 38.94 31.55 24.32 17.70 12.67 7.70
S.D. 6.68 5.33 4.06 2.48 2.51 2.97 3.51 2.94 3.70 3.58 4.11 6.59 6.40
SKEW -0.33 -0.90 -1.22 -0.12 0.02 -0.74 -0.24 -0.04 0.02 -0.45 -0.18 -1.35 -0.73
MAX 24.00 25.00 27.00 28.00 32.00 38.00 46.00 45.00 39.00 31.00 28.00 23.00 18.00
MIN -6.00 -1.00 4.00 18.00 21.00 23.00 30.00 32.00 23.00 15.00 9.00 -9.00 -9.00
NO YRS 52 52 52 53 51 52 53 53 53 53 53 52 47