EL CAPITAN DAM, at

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(042709)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 48.00 42.00 42.00 35.00 30.00 30.00
1949 22.00 31.00 38.00 42.00 44.00 49.00 50.00 48.00 50.00 40.00 42.00 29.00 22.00
1950 27.00 32.00 a 35.00 42.00 41.00 48.00 54.00 48.00 50.00 43.00 40.00 37.00 27.00
1951 30.00 35.00 37.00 g 38.00 42.00 48.00 51.00 50.00 49.00 42.00 38.00 26.00 26.00
1952 29.00 35.00 35.00 40.00 43.00 42.00 50.00 54.00 51.00 40.00 36.00 32.00 29.00
1953 38.00 30.00 34.00 37.00 42.00 43.00 53.00 51.00 46.00 43.00 40.00 d 30.00 30.00
1954 26.00 35.00 35.00 40.00 45.00 a 48.00 52.00 49.00 45.00 42.00 40.00 31.00 26.00
1955 32.00 30.00 39.00 40.00 43.00 46.00 50.00 a 54.00 43.00 43.00 39.00 34.00 30.00
1956 35.00 28.00 32.00 38.00 46.00 46.00 b 50.00 a 49.00 53.00 42.00 36.00 33.00 28.00
1957 36.00 34.00 35.00 a 42.00 43.00 52.00 52.00 53.00 50.00 46.00 38.00 34.00 34.00
1958 36.00 40.00 35.00 41.00 45.00 49.00 51.00 54.00 49.00 49.00 36.00 35.00 35.00
1959 34.00 37.00 40.00 44.00 47.00 47.00 57.00 56.00 52.00 45.00 38.00 38.00 a 34.00
1960 32.00 36.00 40.00 41.00 44.00 49.00 49.00 52.00 52.00 45.00 40.00 28.00 28.00
1961 31.00 37.00 39.00 39.00 43.00 46.00 51.00 56.00 50.00 39.00 41.00 36.00 31.00
1962 28.00 36.00 33.00 44.00 43.00 48.00 49.00 53.00 49.00 42.00 33.00 35.00 28.00
1963 24.00 41.00 39.00 40.00 45.00 48.00 a 50.00 53.00 53.00 49.00 40.00 32.00 24.00
1964 32.00 36.00 35.00 42.00 43.00 45.00 48.00 51.00 45.00 45.00 30.00 30.00 30.00
1965 33.00 32.00 38.00 38.00 43.00 47.00 48.00 50.00 49.00 48.00 41.00 36.00 32.00
1966 35.00 30.00 35.00 43.00 47.00 47.00 49.00 53.00 51.00 43.00 41.00 35.00 30.00
1967 32.00 35.00 38.00 40.00 42.00 46.00 50.00 58.00 54.00 44.00 42.00 28.00 28.00
1968 32.00 43.00 41.00 41.00 43.00 48.00 48.00 52.00 52.00 43.00 36.00 30.00 30.00
1969 35.00 33.00 35.00 42.00 46.00 52.00 48.00 54.00 52.00 42.00 36.00 27.00 27.00
1970 35.00 38.00 41.00 38.00 45.00 49.00 51.00 55.00 48.00 43.00 37.00 38.00 35.00
1971 26.00 33.00 29.00 27.00 44.00 46.00 49.00 53.00 47.00 37.00 36.00 27.00 26.00
1972 26.00 33.00 39.00 40.00 46.00 51.00 52.00 54.00 49.00 36.00 39.00 31.00 26.00
1973 30.00 39.00 38.00 39.00 ----- z 49.00 52.00 48.00 46.00 41.00 40.00 37.00 30.00
1974 36.00 34.00 38.00 39.00 43.00 48.00 48.00 46.00 51.00 44.00 34.00 28.00 28.00
1975 29.00 34.00 33.00 39.00 39.00 46.00 47.00 48.00 50.00 38.00 34.00 33.00 29.00
1976 29.00 33.00 b 37.00 36.00 b 43.00 44.00 a 53.00 50.00 53.00 46.00 29.00 33.00 29.00
1977 35.00 37.00 36.00 42.00 44.00 49.00 48.00 54.00 50.00 47.00 39.00 39.00 35.00
1978 35.00 39.00 43.00 40.00 45.00 49.00 50.00 51.00 52.00 44.00 40.00 26.00 26.00
1979 32.00 32.00 38.00 42.00 41.00 48.00 50.00 51.00 50.00 36.00 a 35.00 34.00 32.00
1980 34.00 40.00 39.00 41.00 41.00 45.00 52.00 55.00 48.00 45.00 39.00 34.00 34.00
1981 37.00 38.00 a 42.00 41.00 43.00 52.00 51.00 50.00 53.00 43.00 42.00 37.00 37.00
1982 27.00 39.00 34.00 40.00 45.00 47.00 48.00 55.00 50.00 48.00 39.00 33.00 27.00
1983 35.00 41.00 43.00 42.00 45.00 47.00 50.00 55.00 54.00 47.00 37.00 37.00 35.00
1984 38.00 34.00 38.00 ----- z 45.00 48.00 55.00 55.00 52.00 41.00 36.00 32.00 32.00
1985 30.00 26.00 32.00 36.00 42.00 43.00 51.00 46.00 48.00 45.00 36.00 32.00 26.00
1986 35.00 33.00 39.00 39.00 40.00 47.00 49.00 50.00 48.00 45.00 40.00 34.00 33.00
1987 25.00 35.00 37.00 41.00 45.00 46.00 46.00 49.00 47.00 48.00 38.00 25.00 25.00
1988 24.00 ----- z 32.00 40.00 42.00 45.00 50.00 47.00 46.00 46.00 36.00 33.00 24.00
1989 27.00 33.00 37.00 42.00 44.00 48.00 49.00 46.00 43.00 40.00 34.00 36.00 27.00
1990 31.00 ----- z 39.00 41.00 45.00 49.00 ----- z 52.00 ----- z 47.00 39.00 29.00 29.00
1991 36.00 39.00 35.00 36.00 40.00 47.00 48.00 48.00 ----- z 41.00 31.00 32.00 31.00
1992 33.00 35.00 41.00 46.00 49.00 45.00 49.00 ----- z 47.00 45.00 32.00 31.00 31.00
1993 33.00 38.00 38.00 40.00 ----- z 47.00 ----- z ----- z ----- z ----- z ----- z ----- z 33.00
1994 33.00 35.00 42.00 ----- z ----- z 47.00 52.00 50.00 45.00 46.00 35.00 32.00 32.00
1995 39.00 42.00 39.00 37.00 42.00 45.00 46.00 51.00 48.00 45.00 38.00 31.00 31.00
1996 31.00 31.00 37.00 39.00 40.00 k 42.00 a 48.00 i 48.00 i 47.00 h 30.00 j ----- z 33.00 k 30.00
1997 32.00 j 35.00 ----- z 34.00 ----- z ----- z 40.00 i 47.00 l ----- z ----- z 36.00 k ----- z 32.00
1998 30.00 36.00 31.00 35.00 39.00 ----- z 48.00 i ----- z ----- z 38.00 i 34.00 i 25.00 k 25.00
1999 30.00 j 25.00 g 34.00 e 34.00 e 34.00 j 40.00 g 40.00 i 38.00 h 48.00 h 45.00 h ----- z 36.00 j 25.00
2000 33.00 k 39.00 f 38.00 j 38.00 h 43.00 f 45.00 i 44.00 f 45.00 k 47.00 h 42.00 h 30.00 h 30.00 j 30.00
2001 34.00 i 33.00 f 38.00 j 35.00 i 46.00 i 45.00 h 47.00 g 48.00 h 43.00 i 40.00 d 31.00 26.00 26.00
2002 25.00 27.00 30.00 36.00 38.00 42.00 42.00 j 42.00 45.00 i 36.00 j 39.00 l 32.00 25.00
2003 37.00 j 34.00 i 38.00 f 38.00 i 41.00 l ----- z 44.00 w 53.00 l 43.00 n ----- z 45.00 o 36.00 j 34.00
2004 34.00 m 38.00 h 43.00 j 45.00 i 51.00 i 51.00 j 54.00 j 48.00 h 52.00 j 42.00 i 26.00 h 31.00 l 26.00
2005 35.00 k 33.00 g 36.00 j ----- z 34.00 h 41.00 j 48.00 h 46.00 i 40.00 i 31.00 h 42.00 y ----- z 31.00
2006 34.00 u 37.00 g ----- z ----- z 44.00 i 51.00 i 45.00 h 45.00 j 46.00 h 43.00 h 38.00 k 28.00 i 28.00
2007 20.00 k 32.00 i 34.00 h 38.00 h 39.00 j 21.00 h ----- z 49.00 i 40.00 h 36.00 m 26.00 i 25.00 h 20.00
2008 22.00 j ----- z 29.00 h ----- z ----- z 36.00 h 44.00 j 44.00 h 41.00 i 32.00 j 29.00 i 25.00 k 22.00
2009 24.00 i 25.00 h 25.00 h 25.00 i 31.00 h 37.00 h 39.00 i 40.00 h 38.00 j 28.00 h 23.00 i 22.00 j 22.00
2010 25.00 h 24.00 h 24.00 j 25.00 h 29.00 i 30.00 i 35.00 h 32.00 q ----- z ----- z ----- z ----- z 24.00
2011 30.00 i 25.00 h ----- z 30.00 i 32.00 i 36.00 i ----- z 55.00 j 49.00 f 45.00 h 32.00 k 28.00 c 25.00
2012 29.00 k 27.00 29.00 c 32.00 36.00 41.00 a 42.00 a 49.00 48.00 38.00 a 33.00 k 24.00 24.00
2013 22.00 26.00 32.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.00
Period of Record Statistics
MEAN 31.31 34.67 36.60 39.37 43.21 46.92 49.98 51.17 49.13 43.24 37.17 31.96 29.58
S.D. 4.34 4.09 3.51 3.27 2.47 2.52 2.48 3.27 2.99 3.28 3.25 3.73 3.58
SKEW -0.39 -0.21 -0.27 -1.24 -0.51 -0.26 -0.11 -0.31 -0.45 -0.33 -0.63 -0.17 0.21
MAX 39.00 43.00 43.00 46.00 49.00 52.00 57.00 58.00 54.00 49.00 42.00 39.00 37.00
MIN 22.00 26.00 29.00 27.00 36.00 41.00 42.00 42.00 42.00 36.00 29.00 24.00 22.00
NO YRS 51 51 52 51 47 50 47 48 46 49 48 51 38