OLTON stat,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(416644)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z 38.00 d 50.00 56.00 55.00 43.00 g 37.00 b 21.00 15.00 15.00
1943 -2.00 16.00 7.00 36.00 39.00 57.00 61.00 56.00 49.00 30.00 13.00 ----- z -2.00
1944 10.00 13.00 12.00 17.00 40.00 51.00 58.00 51.00 41.00 33.00 15.00 10.00 10.00
1945 8.00 17.00 23.00 14.00 33.00 45.00 58.00 54.00 ----- z ----- z ----- z ----- z 8.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z 11.00 d 25.00 ----- z ----- z 51.00 r ----- z ----- z ----- z ----- z ----- z 11.00
1948 3.00 h ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 3.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z 48.00 o 47.00 a 61.00 36.00 j ----- z ----- z ----- z 36.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 12.00 l 11.00 a 11.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1961 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1964 0.00 10.00 20.00 a 27.00 42.00 44.00 54.00 a 55.00 a 40.00 a 33.00 17.00 5.00 0.00
1965 15.00 4.00 7.00 36.00 42.00 50.00 a 57.00 59.00 a 41.00 37.00 25.00 17.00 4.00
1966 -5.00 11.00 15.00 28.00 36.00 52.00 61.00 50.00 47.00 28.00 20.00 8.00 -5.00
1967 5.00 a 14.00 10.00 32.00 33.00 54.00 58.00 55.00 40.00 33.00 24.00 15.00 5.00
1968 6.00 15.00 20.00 27.00 44.00 52.00 58.00 54.00 44.00 30.00 20.00 7.00 6.00
1969 7.00 13.00 a 12.00 36.00 42.00 47.00 62.00 61.00 53.00 25.00 19.00 e 10.00 7.00
1970 6.00 13.00 19.00 c 25.00 b 35.00 b 44.00 55.00 55.00 37.00 24.00 14.00 16.00 6.00
1971 -6.00 2.00 6.00 25.00 36.00 b 52.00 52.00 52.00 35.00 33.00 24.00 b 18.00 -6.00
1972 5.00 d 7.00 18.00 28.00 40.00 52.00 57.00 56.00 37.00 c 27.00 20.00 f ----- z 5.00
1973 6.00 19.00 28.00 c 21.00 ----- z 49.00 57.00 54.00 ----- z ----- z ----- z ----- z 6.00
1974 ----- z 7.00 e 21.00 g 27.00 a 42.00 b 50.00 a 59.00 55.00 41.00 a 31.00 14.00 a 11.00 7.00
1975 6.00 a 7.00 16.00 22.00 a 36.00 a 47.00 b 57.00 55.00 39.00 30.00 a ----- z 6.00 d 6.00
1976 5.00 12.00 a 15.00 a 29.00 c 37.00 ----- z 56.00 a 53.00 b 39.00 a 24.00 d 1.00 a 5.00 c 1.00
1977 -3.00 b 12.00 b 16.00 b 27.00 b 44.00 c 53.00 b 59.00 59.00 47.00 33.00 a 19.00 8.00 -3.00
1978 6.00 -4.00 a 9.00 b 30.00 a 34.00 52.00 55.00 53.00 46.00 34.00 a 25.00 -3.00 a -4.00
1979 -7.00 6.00 17.00 a 23.00 33.00 47.00 58.00 50.00 46.00 32.00 a 12.00 a 12.00 c -7.00
1980 10.00 2.00 7.00 ----- z 41.00 54.00 59.00 58.00 45.00 20.00 13.00 e 14.00 a 2.00
1981 19.00 d 0.00 ----- z 30.00 a 35.00 44.00 a 58.00 56.00 q 44.00 28.00 23.00 14.00 0.00
1982 2.00 0.00 12.00 29.00 a 39.00 45.00 56.00 59.00 44.00 26.00 19.00 -6.00 -6.00
1983 0.00 15.00 15.00 22.00 a 32.00 b 41.00 a 56.00 d 60.00 g 29.00 c 37.00 15.00 a -6.00 -6.00
1984 -5.00 14.00 18.00 l 28.00 30.00 52.00 57.00 54.00 33.00 29.00 22.00 14.00 -5.00
1985 3.00 -4.00 24.00 30.00 38.00 i 52.00 a 57.00 60.00 j 32.00 31.00 19.00 n 8.00 s -4.00
1986 ----- z ----- z ----- z 34.00 39.00 53.00 62.00 57.00 48.00 29.00 14.00 18.00 14.00
1987 4.00 22.00 10.00 24.00 43.00 50.00 54.00 53.00 49.00 32.00 19.00 -6.00 -6.00
1988 6.00 7.00 14.00 26.00 36.00 51.00 56.00 54.00 42.00 39.00 16.00 11.00 6.00
1989 10.00 0.00 9.00 28.00 40.00 50.00 57.00 55.00 37.00 26.00 18.00 -3.00 -3.00
1990 15.00 16.00 23.00 29.00 36.00 52.00 52.00 54.00 50.00 31.00 23.00 -5.00 -5.00
1991 12.00 21.00 22.00 28.00 32.00 55.00 59.00 58.00 39.00 16.00 -1.00 19.00 -1.00
1992 11.00 22.00 18.00 32.00 41.00 49.00 59.00 55.00 42.00 28.00 20.00 14.00 11.00
1993 12.00 12.00 11.00 31.00 38.00 50.00 k 62.00 54.00 39.00 15.00 10.00 19.00 i 10.00
1994 6.00 7.00 19.00 22.00 36.00 59.00 58.00 55.00 38.00 33.00 20.00 19.00 6.00
1995 16.00 15.00 15.00 26.00 42.00 48.00 55.00 i 60.00 38.00 32.00 20.00 9.00 9.00
1996 8.00 5.00 9.00 27.00 43.00 54.00 62.00 60.00 37.00 29.00 17.00 2.00 2.00
1997 4.00 17.00 19.00 20.00 36.00 53.00 57.00 57.00 47.00 26.00 22.00 14.00 4.00
1998 18.00 22.00 13.00 28.00 41.00 46.00 63.00 57.00 51.00 38.00 30.00 4.00 4.00
1999 13.00 17.00 25.00 35.00 g 40.00 52.00 b 56.00 62.00 37.00 32.00 22.00 14.00 13.00
2000 14.00 18.00 26.00 31.00 b 43.00 c 56.00 g 61.00 f 60.00 31.00 32.00 19.00 d 11.00 11.00
2001 17.00 17.00 a 19.00 b 36.00 a 43.00 55.00 e 62.00 59.00 48.00 b 32.00 16.00 c 18.00 16.00
2002 15.00 9.00 5.00 30.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 5.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z 56.00 54.00 44.00 34.00 17.00 3.00 3.00
2005 15.00 23.00 20.00 30.00 35.00 52.00 51.00 58.00 46.00 32.00 16.00 0.00 0.00
2006 15.00 12.00 22.00 g 33.00 45.00 55.00 61.00 57.00 44.00 30.00 16.00 14.00 12.00
2007 7.00 5.00 19.00 23.00 f 48.00 f 47.00 57.00 61.00 j 53.00 l 29.00 f 21.00 j 12.00 m 5.00
2008 10.00 j 12.00 j 17.00 k 30.00 f 34.00 k 51.00 h 59.00 i 57.00 i 47.00 g 28.00 h 21.00 l 10.00 k 10.00
2009 10.00 m 13.00 k 19.00 g 24.00 g 39.00 53.00 ----- z 55.00 40.00 24.00 22.00 3.00 3.00
2010 8.00 16.00 20.00 25.00 37.00 58.00 61.00 48.00 47.00 34.00 14.00 18.00 8.00
2011 4.00 -3.00 27.00 31.00 35.00 58.00 63.00 63.00 48.00 30.00 21.00 5.00 -3.00
2012 14.00 15.00 24.00 34.00 45.00 56.00 62.00 56.00 45.00 30.00 h ----- z ----- z 14.00
Period of Record Statistics
MEAN 7.28 10.98 16.05 27.80 38.43 50.91 57.67 55.85 42.09 29.98 17.81 8.91 1.48
S.D. 6.69 7.28 6.15 4.86 3.89 4.09 3.30 3.23 5.55 5.06 5.71 7.50 5.48
SKEW -0.31 -0.39 0.04 -0.47 -0.15 -0.27 -0.65 0.04 -0.28 -0.93 -1.15 -0.59 0.04
MAX 19.00 23.00 28.00 36.00 45.00 59.00 63.00 63.00 53.00 39.00 30.00 19.00 11.00
MIN -7.00 -4.00 5.00 14.00 30.00 41.00 47.00 48.00 29.00 15.00 -1.00 -6.00 -6.00
NO YRS 46 47 44 46 46 46 48 47 46 46 43 43 21