DETROIT DAM, :

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(352292)

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
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.00 q 22.00 22.00
1955 27.00 23.00 18.00 31.00 33.00 40.00 44.00 47.00 41.00 33.00 11.00 a 25.00 11.00
1956 17.00 11.00 21.00 32.00 37.00 a 42.00 46.00 48.00 42.00 32.00 29.00 24.00 11.00
1957 9.00 26.00 32.00 33.00 44.00 45.00 46.00 47.00 45.00 38.00 31.00 32.00 9.00
1958 31.00 33.00 30.00 33.00 37.00 48.00 51.00 52.00 43.00 36.00 27.00 34.00 27.00
1959 18.00 28.00 31.00 33.00 35.00 45.00 47.00 48.00 41.00 36.00 29.00 30.00 18.00
1960 23.00 19.00 22.00 33.00 34.00 42.00 48.00 46.00 41.00 a 39.00 30.00 30.00 19.00
1961 28.00 32.00 32.00 32.00 37.00 46.00 48.00 51.00 40.00 36.00 29.00 18.00 18.00
1962 13.00 15.00 29.00 33.00 32.00 40.00 44.00 48.00 46.00 39.00 31.00 26.00 13.00
1963 11.00 32.00 31.00 32.00 35.00 42.00 47.00 49.00 49.00 37.00 33.00 27.00 11.00
1964 30.00 28.00 29.00 32.00 33.00 42.00 47.00 45.00 44.00 37.00 29.00 9.00 9.00
1965 29.00 31.00 29.00 33.00 33.00 41.00 48.00 45.00 38.00 40.00 33.00 22.00 22.00
1966 24.00 30.00 28.00 34.00 38.00 40.00 43.00 47.00 41.00 35.00 37.00 32.00 24.00
1967 31.00 31.00 28.00 32.00 38.00 40.00 50.00 51.00 47.00 40.00 33.00 22.00 22.00
1968 22.00 28.00 29.00 31.00 33.00 45.00 48.00 50.00 43.00 40.00 34.00 13.00 13.00
1969 13.00 27.00 27.00 35.00 35.00 46.00 43.00 45.00 43.00 31.00 34.00 32.00 13.00
1970 22.00 32.00 31.00 32.00 36.00 44.00 46.00 46.00 38.00 35.00 29.00 26.00 22.00
1971 18.00 25.00 19.00 32.00 35.00 41.00 46.00 52.00 40.00 26.00 31.00 23.00 18.00
1972 15.00 20.00 31.00 31.00 35.00 44.00 48.00 45.00 37.00 33.00 35.00 5.00 5.00
1973 10.00 32.00 32.00 32.00 35.00 38.00 44.00 42.00 42.00 38.00 32.00 a 34.00 10.00
1974 14.00 31.00 27.00 33.00 35.00 42.00 48.00 46.00 44.00 37.00 36.00 28.00 14.00
1975 24.00 28.00 31.00 30.00 35.00 40.00 46.00 44.00 40.00 38.00 30.00 30.00 24.00
1976 28.00 24.00 22.00 32.00 38.00 38.00 45.00 45.00 45.00 40.00 30.00 30.00 22.00
1977 22.00 32.00 30.00 32.00 34.00 41.00 45.00 50.00 45.00 40.00 23.00 33.00 22.00
1978 30.00 28.00 32.00 34.00 36.00 46.00 47.00 50.00 43.00 37.00 24.00 12.00 12.00
1979 13.00 15.00 32.00 33.00 39.00 39.00 45.00 49.00 49.00 36.00 32.00 32.00 13.00
1980 12.00 30.00 32.00 33.00 35.00 40.00 46.00 45.00 41.00 34.00 34.00 24.00 12.00
1981 33.00 29.00 32.00 34.00 37.00 41.00 44.00 49.00 44.00 38.00 30.00 32.00 29.00
1982 19.00 21.00 32.00 32.00 36.00 42.00 42.00 48.00 41.00 39.00 31.00 27.00 19.00
1983 28.00 32.00 33.00 32.00 36.00 42.00 47.00 52.00 39.00 38.00 35.00 10.00 10.00
1984 24.00 31.00 35.00 33.00 37.00 38.00 46.00 47.00 44.00 37.00 33.00 19.00 19.00
1985 28.00 12.00 29.00 33.00 35.00 39.00 48.00 46.00 35.00 36.00 15.00 20.00 12.00
1986 35.00 30.00 35.00 34.00 35.00 44.00 43.00 50.00 41.00 42.00 33.00 31.00 30.00
1987 20.00 29.00 31.00 35.00 37.00 41.00 48.00 48.00 43.00 40.00 32.00 a 23.00 20.00
1988 22.00 20.00 31.00 34.00 34.00 44.00 45.00 48.00 41.00 42.00 33.00 28.00 20.00
1989 26.00 5.00 28.00 35.00 35.00 43.00 45.00 40.00 42.00 35.00 ----- z 29.00 5.00
1990 29.00 18.00 30.00 36.00 37.00 43.00 50.00 46.00 49.00 37.00 32.00 7.00 7.00
1991 22.00 33.00 32.00 32.00 38.00 36.00 48.00 47.00 42.00 31.00 34.00 33.00 22.00
1992 31.00 33.00 35.00 33.00 38.00 43.00 49.00 49.00 42.00 37.00 34.00 25.00 25.00
1993 17.00 21.00 29.00 35.00 41.00 42.00 47.00 45.00 40.00 41.00 18.00 30.00 17.00
1994 31.00 24.00 31.00 35.00 39.00 43.00 45.00 48.00 46.00 39.00 27.00 25.00 24.00
1995 30.00 22.00 32.00 34.00 38.00 41.00 46.00 44.00 49.00 35.00 33.00 31.00 22.00
1996 18.00 14.00 30.00 35.00 34.00 43.00 45.00 47.00 43.00 33.00 33.00 30.00 14.00
1997 24.00 30.00 32.00 33.00 37.00 43.00 49.00 51.00 48.00 38.00 37.00 31.00 24.00
1998 29.00 32.00 32.00 34.00 39.00 46.00 52.00 49.00 45.00 35.00 35.00 11.00 11.00
1999 31.00 30.00 29.00 32.00 34.00 41.00 43.00 47.00 39.00 37.00 35.00 31.00 29.00
2000 30.00 32.00 33.00 35.00 33.00 43.00 46.00 45.00 41.00 39.00 29.00 29.00 29.00
2001 29.00 28.00 31.00 33.00 36.00 41.00 45.00 47.00 42.00 a 34.00 30.00 30.00 28.00
2002 25.00 30.00 21.00 32.00 27.00 39.00 40.00 42.00 44.00 25.00 30.00 32.00 21.00
2003 27.00 24.00 28.00 28.00 36.00 40.00 45.00 50.00 46.00 33.00 27.00 22.00 22.00
2004 18.00 31.00 32.00 33.00 41.00 44.00 45.00 52.00 43.00 38.00 30.00 32.00 18.00
2005 18.00 27.00 33.00 34.00 40.00 42.00 48.00 45.00 39.00 40.00 31.00 22.00 18.00
2006 31.00 18.00 28.00 32.00 33.00 43.00 45.00 45.00 40.00 31.00 24.00 25.00 18.00
2007 17.00 27.00 29.00 31.00 35.00 ----- z 47.00 41.00 40.00 31.00 30.00 28.00 17.00
2008 16.00 28.00 20.00 26.00 32.00 38.00 43.00 45.00 40.00 29.00 32.00 12.00 12.00
2009 23.00 27.00 26.00 30.00 35.00 44.00 46.00 ----- z 44.00 34.00 30.00 9.00 9.00
2010 ----- z 28.00 29.00 30.00 31.00 42.00 44.00 43.00 44.00 35.00 18.00 21.00 18.00
2011 18.00 10.00 16.00 24.00 31.00 41.00 40.00 47.00 43.00 32.00 29.00 24.00 10.00
2012 24.00 25.00 26.00 29.00 35.00 37.00 44.00 43.00 42.00 35.00 30.00 26.00 24.00
2013 17.00 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 17.00
Period of Record Statistics
MEAN 22.83 25.76 29.05 32.43 35.67 41.86 45.97 47.00 42.57 36.02 30.11 24.75 17.93
S.D. 6.71 6.63 4.27 2.12 2.76 2.49 2.39 2.85 3.04 3.62 5.07 7.59 6.42
SKEW -0.25 -1.21 -1.35 -1.58 0.06 0.01 -0.06 -0.16 0.27 -0.85 -1.80 -1.03 0.04
MAX 35.00 33.00 35.00 36.00 44.00 48.00 52.00 52.00 49.00 42.00 37.00 34.00 30.00
MIN 9.00 5.00 16.00 24.00 27.00 36.00 40.00 40.00 35.00 25.00 11.00 5.00 5.00
NO YRS 58 59 58 58 58 57 58 57 58 58 57 59 54