HALF MOON BAY, te

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(043714)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1939 ----- z ----- z ----- z ----- z ----- z ----- z 43.00 b 45.00 43.00 39.00 37.00 38.00 37.00
1940 36.00 38.00 38.00 39.00 41.00 43.00 46.00 47.00 46.00 41.00 38.00 32.00 32.00
1941 40.00 40.00 41.00 39.00 45.00 41.00 51.00 49.00 m 41.00 37.00 34.00 38.00 34.00
1942 34.00 35.00 33.00 37.00 38.00 41.00 45.00 48.00 44.00 39.00 34.00 35.00 33.00
1943 30.00 35.00 38.00 38.00 37.00 41.00 43.00 45.00 45.00 39.00 38.00 35.00 30.00
1944 35.00 33.00 32.00 35.00 40.00 42.00 44.00 42.00 41.00 40.00 37.00 38.00 32.00
1945 32.00 35.00 35.00 35.00 40.00 41.00 44.00 43.00 38.00 40.00 39.00 34.00 32.00
1946 31.00 32.00 35.00 36.00 38.00 43.00 45.00 46.00 43.00 33.00 35.00 36.00 31.00
1947 30.00 38.00 37.00 38.00 42.00 43.00 45.00 47.00 44.00 43.00 34.00 33.00 30.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z 45.00 47.00 41.00 38.00 35.00 29.00 29.00
1949 27.00 30.00 40.00 36.00 37.00 43.00 45.00 49.00 44.00 n 35.00 c ----- z ----- z 27.00
1950 ----- z 36.00 c 34.00 37.00 i 35.00 42.00 45.00 49.00 d 38.00 37.00 42.00 40.00 34.00
1951 32.00 34.00 33.00 36.00 41.00 41.00 45.00 43.00 45.00 40.00 37.00 31.00 31.00
1952 32.00 38.00 36.00 40.00 39.00 44.00 45.00 45.00 42.00 44.00 35.00 39.00 32.00
1953 40.00 34.00 o ----- z 38.00 f 39.00 43.00 43.00 49.00 46.00 38.00 39.00 35.00 34.00
1954 33.00 34.00 34.00 38.00 38.00 42.00 44.00 46.00 45.00 38.00 36.00 35.00 33.00
1955 31.00 33.00 34.00 36.00 38.00 41.00 43.00 42.00 43.00 38.00 30.00 a 34.00 f 30.00
1956 38.00 b 34.00 37.00 39.00 41.00 c 44.00 b 51.00 43.00 45.00 a 35.00 32.00 a 32.00 32.00
1957 31.00 34.00 37.00 c 39.00 44.00 c 45.00 46.00 d 47.00 a 45.00 b 47.00 a 38.00 39.00 31.00
1958 36.00 d 39.00 g 38.00 b 38.00 37.00 47.00 50.00 49.00 b 43.00 44.00 32.00 39.00 32.00
1959 34.00 36.00 39.00 c 40.00 b 42.00 43.00 46.00 45.00 45.00 43.00 a 41.00 g 32.00 b 32.00
1960 32.00 37.00 38.00 39.00 40.00 48.00 42.00 46.00 46.00 36.00 40.00 36.00 32.00
1961 34.00 37.00 39.00 40.00 43.00 48.00 45.00 50.00 47.00 41.00 34.00 34.00 34.00
1962 30.00 34.00 38.00 40.00 40.00 40.00 43.00 47.00 48.00 a 45.00 35.00 33.00 30.00
1963 32.00 a 40.00 36.00 39.00 40.00 42.00 e 46.00 46.00 48.00 h 43.00 41.00 35.00 32.00
1964 35.00 36.00 33.00 38.00 37.00 42.00 46.00 48.00 g 46.00 44.00 35.00 38.00 33.00
1965 32.00 37.00 39.00 37.00 38.00 41.00 a 44.00 50.00 42.00 42.00 40.00 34.00 32.00
1966 32.00 35.00 32.00 38.00 40.00 43.00 42.00 44.00 45.00 39.00 39.00 33.00 32.00
1967 37.00 a 35.00 35.00 36.00 40.00 46.00 48.00 50.00 50.00 43.00 40.00 35.00 35.00
1968 36.00 40.00 41.00 37.00 39.00 39.00 48.00 46.00 41.00 42.00 39.00 30.00 30.00
1969 29.00 36.00 38.00 38.00 38.00 50.00 46.00 42.00 45.00 40.00 39.00 36.00 29.00
1970 38.00 40.00 39.00 35.00 40.00 42.00 44.00 43.00 40.00 42.00 42.00 37.00 35.00
1971 33.00 36.00 34.00 35.00 39.00 42.00 44.00 48.00 42.00 35.00 35.00 33.00 33.00
1972 34.00 35.00 32.00 a 36.00 40.00 42.00 45.00 47.00 47.00 39.00 41.00 27.00 a 27.00
1973 33.00 40.00 ----- z 39.00 42.00 42.00 44.00 44.00 46.00 42.00 37.00 38.00 33.00
1974 33.00 36.00 35.00 39.00 39.00 43.00 46.00 46.00 47.00 44.00 40.00 34.00 33.00
1975 30.00 37.00 36.00 36.00 39.00 42.00 44.00 41.00 40.00 40.00 37.00 36.00 e 30.00
1976 31.00 34.00 b 33.00 b 32.00 41.00 42.00 42.00 47.00 47.00 40.00 b 40.00 37.00 31.00
1977 36.00 38.00 35.00 36.00 39.00 43.00 45.00 48.00 a 47.00 e 42.00 35.00 a 39.00 35.00
1978 39.00 38.00 40.00 39.00 41.00 43.00 48.00 46.00 42.00 40.00 34.00 29.00 b 29.00
1979 32.00 30.00 39.00 37.00 40.00 42.00 46.00 49.00 49.00 a 43.00 38.00 38.00 30.00
1980 32.00 38.00 38.00 39.00 41.00 47.00 50.00 52.00 46.00 40.00 37.00 c 37.00 32.00
1981 37.00 39.00 40.00 38.00 38.00 42.00 46.00 41.00 43.00 36.00 37.00 39.00 36.00
1982 35.00 35.00 38.00 38.00 41.00 44.00 40.00 47.00 46.00 43.00 40.00 36.00 35.00
1983 28.00 41.00 40.00 37.00 42.00 a 46.00 b 48.00 48.00 47.00 d 46.00 39.00 18.00 c 18.00
1984 30.00 37.00 a 40.00 37.00 39.00 b 41.00 42.00 49.00 42.00 39.00 b 39.00 36.00 30.00
1985 36.00 a 33.00 a 35.00 39.00 a 40.00 a 45.00 49.00 44.00 46.00 42.00 ----- z 34.00 33.00
1986 39.00 36.00 40.00 39.00 40.00 45.00 47.00 49.00 47.00 45.00 36.00 38.00 36.00
1987 35.00 34.00 36.00 42.00 45.00 41.00 o ----- z 48.00 46.00 45.00 41.00 32.00 32.00
1988 37.00 36.00 36.00 36.00 40.00 m 44.00 47.00 s ----- z 40.00 45.00 38.00 29.00 29.00
1989 32.00 28.00 34.00 39.00 40.00 43.00 42.00 46.00 49.00 37.00 41.00 e 37.00 28.00
1990 35.00 29.00 a 34.00 39.00 41.00 39.00 43.00 52.00 47.00 39.00 34.00 19.00 19.00
1991 31.00 37.00 30.00 35.00 35.00 37.00 46.00 44.00 48.00 40.00 37.00 27.00 b 27.00
1992 35.00 39.00 42.00 40.00 42.00 42.00 51.00 44.00 43.00 46.00 38.00 a 33.00 33.00
1993 33.00 37.00 42.00 36.00 39.00 42.00 40.00 47.00 41.00 d 37.00 35.00 i 33.00 33.00
1994 35.00 j 36.00 36.00 40.00 43.00 i 43.00 47.00 45.00 45.00 40.00 33.00 32.00 32.00
1995 37.00 35.00 39.00 37.00 42.00 43.00 48.00 47.00 47.00 40.00 42.00 40.00 35.00
1996 37.00 33.00 38.00 40.00 40.00 42.00 45.00 46.00 44.00 39.00 38.00 36.00 33.00
1997 33.00 38.00 35.00 36.00 40.00 43.00 47.00 49.00 49.00 44.00 44.00 36.00 33.00
1998 40.00 37.00 36.00 38.00 42.00 47.00 47.00 47.00 48.00 40.00 38.00 28.00 28.00
1999 34.00 35.00 35.00 35.00 37.00 43.00 43.00 45.00 45.00 43.00 40.00 34.00 34.00
2000 35.00 38.00 35.00 38.00 40.00 41.00 47.00 43.00 47.00 44.00 36.00 38.00 35.00
2001 35.00 30.00 35.00 37.00 41.00 w 39.00 n 47.00 47.00 46.00 42.00 ----- z ----- z 30.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z 43.00 47.00 40.00 h 38.00 i 30.00 m 37.00 m 30.00
2003 41.00 22.00 l ----- z ----- z ----- z ----- z ----- z ----- z 41.00 e 36.00 30.00 34.00 22.00
2004 31.00 32.00 38.00 35.00 38.00 38.00 48.00 47.00 39.00 38.00 32.00 31.00 31.00
2005 34.00 37.00 36.00 35.00 42.00 40.00 46.00 44.00 37.00 38.00 31.00 33.00 31.00
2006 33.00 29.00 32.00 36.00 40.00 43.00 42.00 43.00 39.00 39.00 33.00 29.00 29.00
2007 27.00 35.00 28.00 32.00 36.00 36.00 44.00 43.00 35.00 35.00 32.00 29.00 27.00
2008 32.00 31.00 31.00 31.00 33.00 37.00 40.00 44.00 40.00 36.00 37.00 31.00 31.00
2009 28.00 33.00 32.00 32.00 38.00 41.00 44.00 47.00 39.00 36.00 33.00 28.00 28.00
2010 39.00 38.00 34.00 36.00 36.00 41.00 44.00 44.00 41.00 40.00 31.00 36.00 31.00
2011 33.00 a 31.00 a 35.00 34.00 36.00 42.00 45.00 47.00 44.00 a 38.00 37.00 32.00 31.00
2012 28.00 31.00 31.00 a 34.00 38.00 39.00 a 48.00 45.00 41.00 41.00 c 36.00 c 32.00 a 28.00
2013 31.00 31.00 b 34.00 51.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 31.00
Period of Record Statistics
MEAN 33.61 35.29 36.06 37.13 39.52 42.47 45.23 46.11 43.92 40.26 36.81 33.84 31.25
S.D. 3.30 3.02 3.03 2.21 2.27 2.55 2.51 2.49 3.25 3.14 3.21 4.27 2.99
SKEW 0.20 -0.41 -0.15 -0.58 -0.13 0.29 0.27 0.04 -0.45 0.01 -0.19 -1.33 -1.34
MAX 41.00 41.00 42.00 42.00 45.00 50.00 51.00 52.00 50.00 47.00 44.00 40.00 36.00
MIN 27.00 28.00 28.00 31.00 33.00 36.00 40.00 41.00 35.00 33.00 30.00 18.00 19.00
NO YRS 70 69 69 68 67 68 71 70 71 73 68 70 48