VACAVILLE, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(049200)

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 44.00 46.00 39.00 36.00 c 22.00 a 20.00 20.00
1949 18.00 22.00 33.00 a 39.00 39.00 45.00 47.00 46.00 b 46.00 32.00 36.00 25.00 c 18.00
1950 22.00 e 24.00 30.00 37.00 34.00 44.00 50.00 44.00 42.00 36.00 36.00 34.00 22.00
1951 27.00 25.00 29.00 33.00 41.00 d 44.00 47.00 47.00 46.00 39.00 29.00 j 25.00 25.00
1952 24.00 29.00 29.00 34.00 35.00 36.00 50.00 45.00 45.00 37.00 25.00 e 29.00 24.00
1953 31.00 29.00 32.00 32.00 38.00 43.00 50.00 48.00 42.00 35.00 30.00 26.00 26.00
1954 25.00 30.00 30.00 34.00 42.00 41.00 49.00 46.00 43.00 36.00 27.00 28.00 25.00
1955 25.00 25.00 28.00 32.00 42.00 45.00 46.00 a 39.00 41.00 31.00 31.00 29.00 25.00
1956 27.00 25.00 28.00 34.00 41.00 44.00 47.00 48.00 44.00 32.00 29.00 22.00 22.00
1957 22.00 23.00 32.00 35.00 43.00 49.00 51.00 42.00 47.00 40.00 31.00 29.00 22.00
1958 28.00 e 35.00 b 32.00 h 40.00 44.00 50.00 53.00 56.00 49.00 45.00 26.00 33.00 26.00
1959 28.00 29.00 37.00 40.00 38.00 47.00 51.00 50.00 48.00 42.00 32.00 26.00 26.00
1960 22.00 30.00 33.00 33.00 39.00 50.00 51.00 48.00 45.00 40.00 32.00 27.00 22.00
1961 23.00 33.00 32.00 33.00 37.00 d 46.00 50.00 48.00 44.00 35.00 j 27.00 28.00 23.00
1962 22.00 29.00 30.00 37.00 42.00 45.00 51.00 51.00 47.00 42.00 32.00 22.00 22.00
1963 22.00 37.00 31.00 32.00 37.00 46.00 45.00 45.00 46.00 35.00 31.00 23.00 22.00
1964 25.00 31.00 32.00 32.00 35.00 44.00 49.00 51.00 41.00 42.00 28.00 32.00 25.00
1965 26.00 30.00 34.00 36.00 42.00 44.00 51.00 54.00 40.00 42.00 30.00 23.00 23.00
1966 26.00 28.00 27.00 36.00 42.00 42.00 49.00 49.00 42.00 37.00 31.00 27.00 26.00
1967 25.00 30.00 31.00 31.00 35.00 47.00 48.00 49.00 49.00 41.00 31.00 24.00 24.00
1968 22.00 34.00 33.00 35.00 36.00 41.00 49.00 45.00 47.00 39.00 32.00 23.00 22.00
1969 24.00 29.00 29.00 33.00 41.00 48.00 49.00 49.00 46.00 37.00 25.00 29.00 24.00
1970 25.00 33.00 32.00 31.00 41.00 46.00 50.00 46.00 42.00 35.00 35.00 27.00 25.00
1971 25.00 30.00 26.00 34.00 35.00 40.00 46.00 46.00 40.00 32.00 32.00 25.00 25.00
1972 24.00 29.00 32.00 31.00 39.00 39.00 49.00 50.00 42.00 36.00 30.00 20.00 20.00
1973 21.00 32.00 30.00 35.00 34.00 a 45.00 48.00 46.00 44.00 a 38.00 29.00 33.00 21.00
1974 27.00 29.00 29.00 33.00 32.00 45.00 48.00 48.00 40.00 42.00 a 31.00 25.00 25.00
1975 23.00 30.00 33.00 31.00 a 33.00 42.00 42.00 a 48.00 a 45.00 36.00 30.00 c 26.00 23.00
1976 20.00 30.00 28.00 29.00 42.00 45.00 47.00 50.00 46.00 b 35.00 27.00 20.00 20.00
1977 26.00 31.00 29.00 b 36.00 38.00 46.00 46.00 48.00 47.00 40.00 27.00 32.00 26.00
1978 31.00 35.00 36.00 ----- z 39.00 43.00 40.00 41.00 45.00 37.00 ----- z 18.00 18.00
1979 24.00 28.00 32.00 33.00 37.00 45.00 48.00 48.00 b 47.00 41.00 a 28.00 a 26.00 24.00
1980 27.00 32.00 33.00 39.00 40.00 a 42.00 a ----- z 48.00 ----- z 38.00 30.00 27.00 27.00
1981 30.00 31.00 32.00 a 35.00 39.00 45.00 b 47.00 48.00 47.00 38.00 32.00 a 33.00 30.00
1982 26.00 29.00 32.00 32.00 41.00 41.00 42.00 49.00 47.00 39.00 31.00 a 29.00 26.00
1983 30.00 33.00 33.00 35.00 38.00 47.00 48.00 51.00 48.00 43.00 32.00 32.00 30.00
1984 28.00 31.00 36.00 33.00 40.00 45.00 49.00 51.00 42.00 35.00 34.00 24.00 24.00
1985 24.00 25.00 ----- z ----- z ----- z 46.00 52.00 46.00 44.00 40.00 27.00 ----- z 24.00
1986 33.00 32.00 38.00 ----- z 39.00 48.00 d ----- z 50.00 42.00 44.00 32.00 31.00 31.00
1987 26.00 31.00 31.00 40.00 41.00 42.00 47.00 49.00 45.00 44.00 31.00 28.00 26.00
1988 24.00 23.00 29.00 ----- z ----- z ----- z 55.00 b 51.00 46.00 43.00 b ----- z 28.00 23.00
1989 28.00 16.00 37.00 39.00 42.00 45.00 50.00 51.00 44.00 35.00 34.00 ----- z 16.00
1990 29.00 28.00 ----- z 38.00 42.00 46.00 53.00 53.00 50.00 39.00 32.00 17.00 17.00
1991 26.00 34.00 31.00 39.00 39.00 45.00 53.00 48.00 50.00 41.00 28.00 30.00 26.00
1992 24.00 34.00 39.00 41.00 46.00 50.00 51.00 52.00 46.00 46.00 29.00 27.00 24.00
1993 24.00 30.00 37.00 41.00 43.00 47.00 55.00 51.00 47.00 45.00 29.00 23.00 23.00
1994 28.00 29.00 31.00 38.00 42.00 45.00 50.00 49.00 47.00 ----- z 30.00 30.00 28.00
1995 32.00 31.00 34.00 39.00 43.00 46.00 53.00 49.00 50.00 42.00 40.00 34.00 31.00
1996 30.00 31.00 35.00 37.00 43.00 48.00 55.00 51.00 50.00 39.00 36.00 26.00 26.00
1997 25.00 35.00 33.00 41.00 43.00 52.00 53.00 52.00 52.00 44.00 41.00 30.00 25.00
1998 33.00 35.00 35.00 36.00 42.00 49.00 53.00 ----- z 50.00 42.00 36.00 19.00 19.00
1999 28.00 32.00 36.00 32.00 a 41.00 b 40.00 50.00 50.00 51.00 40.00 a 35.00 31.00 28.00
2000 31.00 a 34.00 36.00 a 41.00 42.00 48.00 42.00 51.00 c 46.00 a 39.00 c 29.00 c 31.00 a 29.00
2001 28.00 a 26.00 34.00 b 32.00 d 49.00 c 52.00 b 49.00 d 53.00 a 48.00 b 45.00 a 34.00 a 34.00 b 26.00
2002 26.00 29.00 30.00 37.00 41.00 48.00 52.00 51.00 49.00 39.00 37.00 37.00 26.00
2003 37.00 20.00 36.00 36.00 42.00 52.00 54.00 55.00 52.00 40.00 f 33.00 29.00 20.00
2004 28.00 35.00 41.00 40.00 39.00 e 53.00 55.00 e 55.00 46.00 41.00 29.00 29.00 28.00
2005 32.00 38.00 39.00 36.00 43.00 46.00 54.00 55.00 48.00 e 40.00 34.00 30.00 e 30.00
2006 32.00 30.00 29.00 40.00 48.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 29.00
Period of Record Statistics
MEAN 26.36 29.79 32.44 35.52 40.02 45.45 49.34 48.88 45.68 39.07 31.05 27.23 24.55
S.D. 3.66 4.15 3.32 3.28 3.46 3.41 3.46 3.38 3.21 3.65 3.63 4.45 2.54
SKEW 0.41 -0.81 0.44 0.16 -0.10 -0.07 -0.51 -0.35 -0.12 -0.20 0.33 -0.25 0.50
MAX 37.00 38.00 41.00 41.00 49.00 53.00 55.00 56.00 52.00 46.00 41.00 37.00 31.00
MIN 18.00 16.00 26.00 29.00 32.00 36.00 40.00 39.00 39.00 31.00 22.00 17.00 20.00
NO YRS 58 58 55 54 56 56 56 57 57 55 55 56 38