FOLSOM DAM, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(043113)

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199304
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
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.00 z 29.00 34.00 29.00
1956 29.00 27.00 29.00 39.00 47.00 47.00 51.00 51.00 52.00 38.00 33.00 25.00 25.00
1957 26.00 32.00 38.00 41.00 45.00 49.00 50.00 52.00 53.00 48.00 35.00 31.00 26.00
1958 31.00 31.00 34.00 41.00 47.00 51.00 54.00 56.00 47.00 47.00 a 28.00 35.00 28.00
1959 30.00 34.00 40.00 44.00 42.00 48.00 53.00 50.00 48.00 46.00 36.00 26.00 26.00
1960 23.00 32.00 40.00 39.00 42.00 51.00 a 51.00 51.00 50.00 40.00 35.00 24.00 23.00
1961 26.00 37.00 38.00 36.00 43.00 50.00 51.00 54.00 50.00 38.00 b 35.00 24.00 24.00
1962 17.00 28.00 35.00 41.00 45.00 49.00 52.00 52.00 51.00 42.00 30.00 29.00 17.00
1963 21.00 42.00 35.00 32.00 43.00 51.00 51.00 52.00 54.00 40.00 34.00 25.00 21.00
1964 30.00 29.00 33.00 30.00 41.00 49.00 50.00 52.00 48.00 45.00 30.00 33.00 29.00
1965 28.00 32.00 36.00 39.00 38.00 47.00 51.00 56.00 48.00 46.00 38.00 27.00 27.00
1966 28.00 31.00 30.00 42.00 48.00 46.00 52.00 51.00 51.00 41.00 32.00 26.00 26.00
1967 26.00 34.00 35.00 36.00 41.00 48.00 54.00 51.00 54.00 45.00 39.00 25.00 25.00
1968 28.00 35.00 38.00 39.00 40.00 50.00 54.00 52.00 47.00 44.00 37.00 25.00 25.00
1969 27.00 27.00 32.00 41.00 43.00 52.00 55.00 54.00 50.00 43.00 35.00 30.00 27.00
1970 29.00 35.00 37.00 35.00 44.00 50.00 52.00 51.00 47.00 37.00 36.00 25.00 25.00
1971 26.00 30.00 26.00 32.00 42.00 43.00 53.00 56.00 46.00 32.00 35.00 30.00 26.00
1972 25.00 24.00 33.00 34.00 43.00 46.00 53.00 53.00 51.00 39.00 33.00 16.00 16.00
1973 21.00 37.00 33.00 36.00 42.00 48.00 52.00 51.00 50.00 42.00 31.00 34.00 21.00
1974 27.00 30.00 32.00 40.00 38.00 50.00 52.00 52.00 51.00 44.00 36.00 28.00 27.00
1975 25.00 30.00 31.00 35.00 35.00 48.00 50.00 52.00 51.00 35.00 26.00 32.00 25.00
1976 27.00 30.00 33.00 33.00 46.00 46.00 50.00 54.00 53.00 45.00 39.00 31.00 27.00
1977 30.00 33.00 33.00 42.00 42.00 j 51.00 52.00 55.00 52.00 47.00 30.00 36.00 30.00
1978 36.00 38.00 41.00 39.00 46.00 51.00 52.00 53.00 49.00 45.00 31.00 28.00 28.00
1979 29.00 29.00 39.00 39.00 42.00 50.00 52.00 54.00 54.00 41.00 34.00 30.00 29.00
1980 32.00 36.00 34.00 41.00 43.00 45.00 52.00 52.00 52.00 41.00 39.00 31.00 31.00
1981 34.00 35.00 38.00 42.00 45.00 52.00 52.00 54.00 50.00 41.00 38.00 39.00 34.00
1982 31.00 31.00 38.00 36.00 43.00 47.00 54.00 55.00 52.00 45.00 33.00 31.00 31.00
1983 30.00 41.00 41.00 40.00 42.00 51.00 52.00 54.00 ----- z 51.00 32.00 35.00 30.00
1984 30.00 36.00 41.00 39.00 47.00 51.00 53.00 55.00 a 47.00 37.00 38.00 32.00 30.00
1985 29.00 29.00 a 35.00 43.00 40.00 49.00 55.00 45.00 48.00 43.00 29.00 25.00 25.00
1986 33.00 31.00 40.00 41.00 ----- z 53.00 52.00 ----- z 47.00 47.00 38.00 36.00 31.00
1987 30.00 34.00 33.00 42.00 45.00 50.00 52.00 ----- z 52.00 51.00 36.00 ----- z 30.00
1988 27.00 36.00 36.00 44.00 42.00 46.00 52.00 53.00 52.00 48.00 38.00 26.00 26.00
1989 28.00 19.00 38.00 43.00 46.00 51.00 55.00 54.00 50.00 41.00 34.00 33.00 19.00
1990 32.00 26.00 35.00 44.00 46.00 47.00 55.00 55.00 56.00 40.00 32.00 20.00 20.00
1991 31.00 38.00 36.00 38.00 42.00 49.00 53.00 54.00 54.00 39.00 37.00 32.00 31.00
1992 31.00 35.00 40.00 44.00 49.00 50.00 53.00 50.00 53.00 50.00 32.00 31.00 31.00
1993 25.00 33.00 41.00 41.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.00
Period of Record Statistics
MEAN 28.11 32.29 35.71 39.03 43.23 48.97 52.35 52.74 50.56 42.81 34.03 29.19 25.79
S.D. 3.72 4.59 3.69 3.70 3.01 2.24 1.44 2.19 2.52 4.41 3.40 4.80 4.12
SKEW -0.68 -0.37 -0.40 -0.67 -0.41 -0.55 0.26 -1.07 -0.01 -0.15 -0.35 -0.38 -0.49
MAX 36.00 42.00 41.00 44.00 49.00 53.00 55.00 56.00 56.00 51.00 39.00 39.00 34.00
MIN 17.00 19.00 26.00 30.00 35.00 43.00 50.00 45.00 46.00 32.00 26.00 16.00 16.00
NO YRS 38 38 38 38 35 37 37 35 36 37 38 37 33