MORTON sta,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(416074)

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
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 60.00 53.00 48.00 a 36.00 23.00 16.00 16.00
1963 -12.00 7.00 18.00 38.00 44.00 54.00 59.00 56.00 39.00 39.00 21.00 7.00 -12.00
1964 0.00 5.00 22.00 24.00 42.00 43.00 56.00 56.00 43.00 a 37.00 19.00 10.00 0.00
1965 17.00 7.00 7.00 37.00 40.00 49.00 58.00 58.00 43.00 36.00 23.00 22.00 7.00
1966 0.00 11.00 8.00 29.00 37.00 53.00 63.00 53.00 49.00 26.00 20.00 8.00 0.00
1967 4.00 16.00 10.00 34.00 29.00 48.00 58.00 53.00 41.00 29.00 23.00 ----- z 4.00
1968 ----- z ----- z ----- z 28.00 37.00 51.00 ----- z 56.00 s 44.00 32.00 23.00 12.00 12.00
1969 9.00 15.00 12.00 38.00 43.00 50.00 62.00 59.00 53.00 26.00 19.00 10.00 9.00
1970 3.00 17.00 20.00 a 26.00 31.00 46.00 58.00 53.00 40.00 28.00 19.00 20.00 3.00
1971 -3.00 9.00 12.00 27.00 ----- z 54.00 54.00 54.00 c 40.00 36.00 23.00 20.00 -3.00
1972 7.00 8.00 22.00 28.00 44.00 51.00 57.00 57.00 35.00 27.00 18.00 5.00 5.00
1973 4.00 16.00 26.00 21.00 a 36.00 48.00 d 56.00 j 55.00 38.00 33.00 18.00 d 8.00 4.00
1974 6.00 11.00 22.00 27.00 42.00 a 50.00 k 58.00 a ----- z ----- z 34.00 16.00 12.00 6.00
1975 8.00 7.00 17.00 24.00 36.00 40.00 58.00 53.00 40.00 32.00 13.00 4.00 4.00
1976 9.00 15.00 17.00 25.00 37.00 47.00 55.00 49.00 40.00 25.00 5.00 9.00 5.00
1977 3.00 14.00 18.00 27.00 47.00 55.00 60.00 61.00 ----- z ----- z 21.00 12.00 3.00
1978 10.00 5.00 16.00 30.00 a 35.00 51.00 58.00 54.00 47.00 35.00 25.00 -4.00 -4.00
1979 -8.00 10.00 21.00 21.00 32.00 a 48.00 57.00 52.00 45.00 32.00 12.00 13.00 -8.00
1980 11.00 9.00 9.00 26.00 43.00 a 52.00 a 60.00 58.00 48.00 22.00 7.00 ----- z 7.00
1981 16.00 2.00 a 24.00 a 30.00 37.00 45.00 a 58.00 56.00 47.00 32.00 24.00 18.00 2.00
1982 6.00 2.00 11.00 31.00 38.00 48.00 58.00 59.00 46.00 27.00 22.00 -4.00 -4.00
1983 -1.00 21.00 16.00 21.00 34.00 43.00 54.00 57.00 32.00 40.00 17.00 -6.00 -6.00
1984 -4.00 12.00 16.00 25.00 34.00 54.00 55.00 57.00 37.00 30.00 25.00 17.00 -4.00
1985 3.00 0.00 23.00 30.00 38.00 53.00 57.00 58.00 36.00 31.00 21.00 6.00 0.00
1986 13.00 6.00 26.00 30.00 35.00 52.00 60.00 55.00 47.00 29.00 18.00 21.00 6.00
1987 5.00 16.00 11.00 23.00 41.00 48.00 56.00 54.00 48.00 35.00 18.00 -1.00 -1.00
1988 10.00 8.00 11.00 26.00 35.00 51.00 54.00 55.00 42.00 38.00 15.00 14.00 8.00
1989 12.00 2.00 10.00 29.00 41.00 50.00 57.00 54.00 38.00 25.00 17.00 -3.00 -3.00
1990 14.00 12.00 24.00 31.00 34.00 53.00 53.00 53.00 51.00 31.00 19.00 -2.00 -2.00
1991 12.00 19.00 ----- z 33.00 37.00 55.00 55.00 60.00 n 39.00 16.00 14.00 20.00 12.00
1992 14.00 25.00 20.00 a 33.00 44.00 49.00 60.00 55.00 42.00 30.00 18.00 17.00 14.00
1993 14.00 15.00 10.00 32.00 39.00 54.00 61.00 53.00 43.00 17.00 12.00 12.00 10.00
1994 9.00 9.00 22.00 23.00 36.00 58.00 60.00 56.00 42.00 37.00 23.00 21.00 9.00
1995 19.00 19.00 16.00 25.00 44.00 50.00 57.00 60.00 38.00 34.00 20.00 12.00 12.00
1996 10.00 9.00 9.00 25.00 44.00 56.00 64.00 59.00 39.00 29.00 18.00 4.00 4.00
1997 6.00 19.00 22.00 21.00 39.00 53.00 58.00 57.00 40.00 30.00 20.00 9.00 6.00
1998 20.00 21.00 15.00 31.00 43.00 47.00 64.00 55.00 52.00 37.00 31.00 5.00 5.00
1999 12.00 17.00 26.00 32.00 37.00 53.00 a 56.00 b 60.00 36.00 32.00 24.00 15.00 12.00
2000 14.00 20.00 22.00 31.00 43.00 55.00 60.00 60.00 34.00 31.00 a 21.00 15.00 14.00
2001 20.00 19.00 21.00 36.00 43.00 52.00 62.00 60.00 47.00 33.00 16.00 19.00 16.00
2002 19.00 9.00 7.00 31.00 40.00 54.00 61.00 61.00 48.00 34.00 19.00 22.00 7.00
2003 14.00 13.00 17.00 28.00 42.00 51.00 60.00 59.00 43.00 33.00 16.00 15.00 13.00
2004 9.00 13.00 30.00 31.00 38.00 50.00 58.00 55.00 47.00 35.00 18.00 4.00 4.00
2005 17.00 24.00 20.00 30.00 38.00 52.00 52.00 59.00 47.00 37.00 17.00 g 2.00 2.00
2006 17.00 17.00 23.00 36.00 48.00 57.00 62.00 58.00 43.00 32.00 17.00 17.00 f 17.00
2007 9.00 4.00 17.00 24.00 46.00 49.00 60.00 62.00 55.00 31.00 26.00 17.00 4.00
2008 10.00 14.00 21.00 31.00 34.00 57.00 61.00 58.00 48.00 29.00 20.00 12.00 10.00
2009 14.00 16.00 19.00 23.00 42.00 55.00 58.00 57.00 38.00 28.00 22.00 10.00 10.00
2010 13.00 19.00 23.00 28.00 38.00 58.00 62.00 48.00 50.00 33.00 17.00 20.00 13.00
2011 6.00 -2.00 26.00 35.00 35.00 55.00 66.00 65.00 50.00 32.00 19.00 4.00 -2.00
2012 14.00 14.00 24.00 33.00 43.00 59.00 62.00 50.00 47.00 32.00 m ----- z ----- z 14.00
Period of Record Statistics
MEAN 8.86 12.16 17.90 28.76 39.08 51.35 58.61 56.23 43.37 31.29 19.08 10.62 4.26
S.D. 7.14 6.39 5.95 4.58 4.31 4.10 3.03 3.42 5.34 5.00 4.60 7.72 6.74
SKEW -0.75 -0.17 -0.24 0.13 -0.06 -0.48 0.06 -0.06 0.02 -0.95 -0.59 -0.41 -0.31
MAX 20.00 25.00 30.00 38.00 48.00 59.00 66.00 65.00 55.00 40.00 31.00 22.00 16.00
MIN -12.00 -2.00 7.00 21.00 29.00 40.00 52.00 48.00 32.00 16.00 5.00 -6.00 -12.00
NO YRS 49 49 48 50 49 49 49 48 49 49 49 47 39