SAN LUIS DAM, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(047846)

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
1963 21.00 t 36.00 d 29.00 34.00 39.00 50.00 53.00 53.00 55.00 46.00 33.00 28.00 21.00
1964 24.00 29.00 32.00 37.00 38.00 50.00 54.00 54.00 46.00 47.00 29.00 28.00 24.00
1965 29.00 33.00 38.00 36.00 42.00 50.00 55.00 57.00 51.00 50.00 36.00 23.00 23.00
1966 26.00 31.00 31.00 45.00 44.00 48.00 49.00 54.00 b 51.00 46.00 36.00 29.00 26.00
1967 28.00 37.00 38.00 35.00 44.00 c 44.00 a 59.00 61.00 59.00 50.00 39.00 26.00 26.00
1968 25.00 37.00 38.00 41.00 a 43.00 a 40.00 52.00 53.00 46.00 48.00 36.00 27.00 25.00
1969 32.00 33.00 a 33.00 39.00 a 46.00 44.00 50.00 54.00 49.00 42.00 34.00 30.00 30.00
1970 29.00 33.00 35.00 32.00 36.00 42.00 56.00 55.00 50.00 40.00 42.00 34.00 29.00
1971 27.00 32.00 28.00 37.00 44.00 40.00 54.00 49.00 49.00 33.00 34.00 27.00 27.00
1972 26.00 27.00 42.00 44.00 49.00 52.00 54.00 53.00 54.00 39.00 35.00 20.00 20.00
1973 25.00 36.00 37.00 43.00 45.00 52.00 56.00 56.00 54.00 46.00 36.00 36.00 25.00
1974 25.00 32.00 32.00 37.00 45.00 46.00 54.00 56.00 53.00 48.00 34.00 28.00 25.00
1975 24.00 28.00 34.00 37.00 42.00 45.00 44.00 55.00 56.00 40.00 33.00 26.00 24.00
1976 25.00 33.00 33.00 38.00 44.00 49.00 56.00 55.00 45.00 44.00 32.00 29.00 25.00
1977 30.00 35.00 35.00 44.00 43.00 44.00 48.00 51.00 53.00 46.00 36.00 34.00 30.00
1978 33.00 36.00 43.00 40.00 44.00 42.00 48.00 56.00 51.00 41.00 29.00 17.00 17.00
1979 22.00 29.00 41.00 41.00 38.00 52.00 b 54.00 a 47.00 54.00 42.00 31.00 32.00 22.00
1980 32.00 33.00 37.00 42.00 46.00 43.00 50.00 45.00 49.00 46.00 37.00 29.00 29.00
1981 35.00 33.00 a 38.00 41.00 47.00 58.00 50.00 55.00 50.00 44.00 37.00 33.00 33.00
1982 25.00 31.00 35.00 36.00 44.00 49.00 52.00 47.00 49.00 45.00 36.00 27.00 25.00
1983 28.00 37.00 37.00 37.00 44.00 48.00 54.00 58.00 49.00 43.00 30.00 34.00 28.00
1984 31.00 35.00 38.00 34.00 38.00 45.00 56.00 57.00 50.00 45.00 34.00 28.00 28.00
1985 28.00 29.00 31.00 48.00 48.00 50.00 57.00 57.00 49.00 44.00 31.00 26.00 26.00
1986 37.00 31.00 42.00 42.00 48.00 56.00 54.00 57.00 52.00 47.00 34.00 32.00 31.00
1987 25.00 30.00 36.00 44.00 50.00 55.00 53.00 57.00 55.00 51.00 34.00 23.00 23.00
1988 31.00 32.00 33.00 43.00 47.00 47.00 58.00 57.00 55.00 45.00 33.00 25.00 25.00
1989 30.00 22.00 34.00 44.00 49.00 54.00 57.00 57.00 50.00 42.00 35.00 30.00 22.00
1990 31.00 27.00 38.00 43.00 50.00 52.00 56.00 59.00 57.00 49.00 33.00 14.00 14.00
1991 29.00 34.00 36.00 42.00 46.00 50.00 56.00 57.00 57.00 39.00 33.00 31.00 29.00
1992 30.00 32.00 42.00 43.00 54.00 54.00 59.00 57.00 53.00 51.00 36.00 29.00 29.00
1993 26.00 a 31.00 35.00 41.00 42.00 54.00 55.00 58.00 52.00 48.00 28.00 29.00 26.00
1994 28.00 29.00 34.00 42.00 48.00 52.00 52.00 54.00 51.00 44.00 29.00 25.00 25.00
1995 33.00 34.00 36.00 41.00 43.00 52.00 57.00 57.00 55.00 47.00 39.00 33.00 33.00
1996 34.00 33.00 37.00 38.00 44.00 49.00 55.00 55.00 53.00 38.00 36.00 33.00 33.00
1997 24.00 32.00 35.00 43.00 49.00 54.00 50.00 55.00 56.00 40.00 41.00 27.00 24.00
1998 32.00 37.00 34.00 36.00 43.00 51.00 55.00 57.00 53.00 44.00 38.00 20.00 20.00
1999 28.00 30.00 34.00 40.00 47.00 48.00 54.00 56.00 56.00 44.00 a 36.00 31.00 28.00
2000 30.00 41.00 39.00 40.00 47.00 53.00 54.00 55.00 51.00 43.00 31.00 32.00 30.00
2001 27.00 31.00 39.00 39.00 53.00 52.00 55.00 56.00 55.00 48.00 35.00 32.00 27.00
2002 26.00 30.00 32.00 45.00 46.00 52.00 56.00 54.00 52.00 42.00 37.00 31.00 26.00
2003 35.00 32.00 37.00 41.00 45.00 52.00 59.00 59.00 53.00 48.00 32.00 30.00 30.00
2004 30.00 33.00 38.00 43.00 48.00 53.00 56.00 57.00 51.00 44.00 29.00 28.00 28.00
2005 33.00 34.00 41.00 41.00 49.00 53.00 57.00 58.00 53.00 47.00 39.00 34.00 33.00
2006 33.00 31.00 34.00 41.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 31.00
Period of Record Statistics
MEAN 28.86 32.30 35.93 40.23 45.14 49.44 54.02 55.12 52.14 44.56 34.37 28.37 26.26
S.D. 3.58 3.35 3.49 3.47 3.87 4.40 3.23 3.25 3.11 3.79 3.30 4.67 4.14
SKEW 0.23 -0.23 0.02 -0.31 -0.19 -0.49 -0.89 -1.38 -0.16 -0.60 0.04 -1.03 -0.61
MAX 37.00 41.00 43.00 48.00 54.00 58.00 59.00 61.00 59.00 51.00 42.00 36.00 33.00
MIN 22.00 22.00 28.00 32.00 36.00 40.00 44.00 45.00 45.00 33.00 28.00 14.00 14.00
NO YRS 43 44 44 44 43 43 43 43 43 43 43 43 42