COLFAX, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(041912)

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 51.00 50.00 40.00 33.00 28.00 23.00 23.00
1949 17.00 17.00 c 32.00 37.00 41.00 48.00 56.00 50.00 45.00 33.00 38.00 21.00 17.00
1950 17.00 27.00 d 29.00 34.00 33.00 38.00 55.00 54.00 41.00 37.00 35.00 30.00 17.00
1951 24.00 28.00 24.00 32.00 37.00 44.00 44.00 50.00 50.00 37.00 30.00 25.00 24.00
1952 23.00 29.00 25.00 35.00 40.00 36.00 47.00 50.00 43.00 47.00 28.00 28.00 23.00
1953 31.00 27.00 26.00 28.00 34.00 41.00 52.00 49.00 49.00 36.00 29.00 30.00 26.00
1954 29.00 30.00 26.00 37.00 34.00 39.00 57.00 49.00 45.00 37.00 29.00 23.00 23.00
1955 26.00 23.00 28.00 27.00 39.00 43.00 46.00 56.00 45.00 36.00 29.00 30.00 a 23.00
1956 28.00 f 20.00 20.00 ----- z 25.00 42.00 48.00 46.00 50.00 31.00 33.00 26.00 20.00
1957 22.00 22.00 29.00 32.00 38.00 47.00 56.00 c 48.00 g 48.00 40.00 32.00 29.00 22.00
1958 28.00 30.00 30.00 31.00 39.00 46.00 e 51.00 a 59.00 42.00 42.00 25.00 36.00 25.00
1959 27.00 25.00 36.00 b 40.00 37.00 48.00 54.00 47.00 c 46.00 42.00 32.00 25.00 25.00
1960 22.00 26.00 22.00 32.00 32.00 47.00 60.00 a 48.00 a 46.00 39.00 31.00 25.00 22.00
1961 29.00 30.00 32.00 32.00 35.00 47.00 42.00 a 58.00 47.00 b 34.00 30.00 24.00 24.00
1962 22.00 16.00 29.00 37.00 39.00 47.00 59.00 a 51.00 a 52.00 40.00 a 29.00 24.00 a 16.00
1963 22.00 37.00 30.00 29.00 38.00 a 46.00 a 51.00 48.00 a 51.00 a 40.00 33.00 27.00 22.00
1964 29.00 29.00 26.00 a 29.00 33.00 40.00 40.00 46.00 41.00 43.00 a 22.00 25.00 22.00
1965 19.00 e 28.00 c 34.00 a 30.00 a 34.00 b 43.00 52.00 52.00 40.00 39.00 31.00 24.00 19.00
1966 24.00 27.00 22.00 e 37.00 43.00 a 38.00 49.00 49.00 b 44.00 a 37.00 a 32.00 24.00 22.00
1967 27.00 30.00 29.00 b 29.00 a 35.00 40.00 a 62.00 b 61.00 b 57.00 41.00 32.00 22.00 e 22.00
1968 25.00 30.00 a 31.00 b 36.00 37.00 46.00 b 57.00 48.00 42.00 a 35.00 a 31.00 a 21.00 c 21.00
1969 ----- z 29.00 e 28.00 j 33.00 h 40.00 j 50.00 i 54.00 i 54.00 j 48.00 i 36.00 h 33.00 k 26.00 i 26.00
1970 25.00 j 30.00 h 30.00 j 29.00 h 38.00 j 39.00 h 59.00 i 55.00 k 41.00 d 34.00 36.00 27.00 a 25.00
1971 24.00 23.00 23.00 d 31.00 a 38.00 40.00 55.00 d 52.00 a 32.00 24.00 f 28.00 j 18.00 18.00
1972 21.00 b 22.00 32.00 ----- z 46.00 n 45.00 49.00 e 43.00 33.00 29.00 25.00 9.00 9.00
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.00 t 46.00 37.00 30.00 29.00 29.00
1974 20.00 29.00 30.00 30.00 32.00 48.00 47.00 51.00 53.00 38.00 35.00 25.00 20.00
1975 24.00 24.00 21.00 27.00 30.00 41.00 48.00 47.00 54.00 34.00 24.00 25.00 21.00
1976 24.00 27.00 26.00 27.00 40.00 40.00 49.00 46.00 47.00 40.00 27.00 28.00 24.00
1977 23.00 28.00 24.00 35.00 32.00 44.00 50.00 a 48.00 44.00 40.00 20.00 26.00 20.00
1978 29.00 30.00 30.00 31.00 37.00 45.00 46.00 45.00 39.00 38.00 27.00 22.00 22.00
1979 23.00 23.00 29.00 34.00 35.00 45.00 50.00 49.00 47.00 37.00 26.00 28.00 23.00
1980 28.00 35.00 30.00 34.00 34.00 40.00 47.00 51.00 44.00 37.00 32.00 25.00 25.00
1981 28.00 31.00 34.00 34.00 38.00 42.00 54.00 50.00 45.00 34.00 29.00 31.00 28.00
1982 22.00 29.00 30.00 30.00 37.00 39.00 49.00 50.00 41.00 34.00 30.00 26.00 22.00
1983 28.00 31.00 31.00 29.00 34.00 46.00 46.00 50.00 47.00 42.00 26.00 27.00 26.00
1984 28.00 29.00 34.00 30.00 34.00 42.00 49.00 49.00 47.00 33.00 29.00 23.00 23.00
1985 24.00 23.00 28.00 37.00 38.00 39.00 51.00 49.00 39.00 38.00 24.00 23.00 23.00
1986 31.00 28.00 32.00 30.00 33.00 46.00 52.00 54.00 39.00 38.00 29.00 28.00 28.00
1987 23.00 25.00 28.00 37.00 40.00 48.00 46.00 48.00 49.00 43.00 28.00 22.00 22.00
1988 23.00 27.00 30.00 33.00 30.00 38.00 53.00 47.00 45.00 40.00 29.00 21.00 21.00
1989 25.00 15.00 27.00 33.00 38.00 45.00 51.00 45.00 42.00 34.00 28.00 28.00 15.00
1990 25.00 22.00 28.00 37.00 41.00 a 46.00 51.00 48.00 47.00 38.00 26.00 14.00 14.00
1991 26.00 33.00 27.00 ----- z 32.00 42.00 55.00 47.00 48.00 32.00 28.00 27.00 26.00
1992 26.00 30.00 32.00 37.00 45.00 42.00 46.00 46.00 47.00 43.00 27.00 22.00 22.00
1993 22.00 28.00 32.00 34.00 38.00 43.00 52.00 48.00 43.00 39.00 22.00 23.00 22.00
1994 26.00 k 25.00 28.00 31.00 37.00 40.00 52.00 52.00 40.00 36.00 24.00 23.00 23.00
1995 28.00 29.00 26.00 29.00 38.00 40.00 47.00 44.00 43.00 39.00 ----- z 27.00 26.00
1996 28.00 22.00 27.00 ----- z ----- z ----- z ----- z ----- z 44.00 32.00 30.00 28.00 22.00
1997 ----- z 27.00 28.00 30.00 39.00 45.00 44.00 51.00 44.00 34.00 35.00 25.00 25.00
1998 27.00 29.00 26.00 29.00 34.00 45.00 50.00 51.00 44.00 34.00 30.00 17.00 17.00
1999 25.00 23.00 28.00 28.00 35.00 38.00 47.00 49.00 44.00 35.00 29.00 28.00 23.00
2000 28.00 28.00 30.00 35.00 30.00 43.00 47.00 51.00 42.00 33.00 26.00 33.00 26.00
2001 25.00 25.00 30.00 30.00 46.00 48.00 54.00 52.00 48.00 42.00 a 28.00 27.00 25.00
2002 21.00 28.00 24.00 32.00 36.00 48.00 59.00 52.00 44.00 35.00 34.00 26.00 21.00
2003 28.00 26.00 31.00 29.00 38.00 49.00 53.00 54.00 47.00 35.00 26.00 26.00 26.00
2004 26.00 28.00 30.00 37.00 39.00 46.00 56.00 53.00 41.00 32.00 25.00 27.00 25.00
2005 26.00 34.00 31.00 30.00 ----- z 40.00 56.00 53.00 43.00 39.00 29.00 28.00 26.00
2006 28.00 24.00 25.00 a 30.00 36.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.00
Period of Record Statistics
MEAN 25.00 26.79 28.40 32.24 36.29 43.28 50.93 49.92 44.68 37.09 28.95 25.16 22.26
S.D. 3.27 4.29 3.45 3.35 3.87 3.44 4.66 3.57 4.53 3.65 3.66 4.30 3.34
SKEW -0.41 -0.51 -0.34 0.35 -0.11 -0.16 0.13 0.85 -0.05 0.23 0.04 -0.97 -0.69
MAX 31.00 37.00 36.00 40.00 46.00 49.00 62.00 61.00 57.00 47.00 38.00 36.00 28.00
MIN 17.00 15.00 20.00 27.00 25.00 36.00 40.00 43.00 32.00 29.00 20.00 9.00 14.00
NO YRS 52 56 55 51 52 53 54 53 57 56 55 57 39