HILLSBORO, WISCONSIN

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(473654)

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
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 -28.00 l -29.00 c 1.00 t 20.00 d 31.00 b 40.00 45.00 51.00 30.00 26.00 -8.00 e 10.00 a -29.00
1960 -10.00 a -6.00 -17.00 15.00 28.00 a 38.00 46.00 48.00 33.00 15.00 13.00 d -13.00 b -17.00
1961 -15.00 a -8.00 2.00 b 18.00 26.00 42.00 44.00 45.00 28.00 22.00 11.00 d -23.00 -23.00
1962 -21.00 -12.00 -38.00 14.00 d 34.00 39.00 44.00 42.00 28.00 14.00 14.00 -30.00 b -38.00
1963 -44.00 -24.00 -15.00 22.00 24.00 36.00 43.00 36.00 30.00 25.00 14.00 -22.00 c -44.00
1964 -13.00 -10.00 -5.00 18.00 34.00 a 32.00 48.00 33.00 24.00 13.00 -5.00 c -19.00 -19.00
1965 -35.00 b -33.00 -22.00 a 20.00 28.00 38.00 42.00 34.00 29.00 ----- z ----- z 5.00 -35.00
1966 -25.00 -29.00 8.00 22.00 19.00 36.00 43.00 a 42.00 31.00 f 16.00 9.00 -10.00 -29.00
1967 -36.00 -31.00 -11.00 20.00 24.00 38.00 41.00 34.00 23.00 20.00 8.00 -19.00 -36.00
1968 -21.00 -7.00 10.00 18.00 29.00 41.00 42.00 39.00 35.00 20.00 18.00 -14.00 e -21.00
1969 -27.00 -11.00 -6.00 -14.00 28.00 35.00 46.00 42.00 b ----- z ----- z 8.00 -15.00 -27.00
1970 -34.00 -19.00 -6.00 19.00 a 34.00 40.00 44.00 41.00 ----- z ----- z 5.00 -23.00 -34.00
1971 -30.00 d -35.00 d -5.00 15.00 25.00 43.00 45.00 g 42.00 h 33.00 i 29.00 9.00 -4.00 -35.00
1972 -28.00 -25.00 -7.00 a 5.00 32.00 32.00 45.00 41.00 a 31.00 15.00 14.00 -20.00 j -28.00
1973 -16.00 a -12.00 b 19.00 22.00 e 28.00 47.00 ----- z 47.00 ----- z ----- z ----- z -14.00 h -16.00
1974 -26.00 -20.00 18.00 f 20.00 a 27.00 40.00 49.00 42.00 27.00 19.00 ----- z 1.00 -26.00
1975 -14.00 -21.00 -12.00 13.00 33.00 40.00 47.00 40.00 a 28.00 22.00 -2.00 -8.00 -21.00
1976 -25.00 b ----- z 0.00 e 24.00 a 25.00 40.00 ----- z ----- z 24.00 18.00 i -9.00 -21.00 -25.00
1977 -32.00 i ----- z 9.00 c 20.00 28.00 36.00 48.00 41.00 40.00 24.00 d ----- z ----- z -32.00
1978 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.00 v 34.00 24.00 3.00 -16.00 -16.00
1979 -31.00 -27.00 -1.00 10.00 25.00 45.00 46.00 39.00 33.00 17.00 10.00 -4.00 -31.00
1980 -11.00 -14.00 -6.00 b 20.00 28.00 40.00 51.00 b 50.00 32.00 a 16.00 12.00 -10.00 -14.00
1981 -11.00 -16.00 10.00 a 20.00 a 28.00 39.00 f 48.00 ----- z 32.00 17.00 11.00 -13.00 -16.00
1982 -26.00 v 4.00 p 1.00 a 2.00 35.00 34.00 49.00 38.00 30.00 17.00 9.00 g 0.00 -26.00
1983 -11.00 -18.00 7.00 16.00 27.00 41.00 43.00 49.00 31.00 25.00 11.00 -33.00 -33.00
1984 -26.00 -13.00 -7.00 28.00 30.00 43.00 44.00 a 44.00 28.00 23.00 10.00 a -7.00 a -26.00
1985 -29.00 -33.00 -2.00 a 18.00 38.00 a 39.00 45.00 44.00 31.00 28.00 -5.00 -24.00 -33.00
1986 -28.00 -14.00 -1.00 18.00 29.00 37.00 50.00 38.00 35.00 26.00 3.00 -13.00 -28.00
1987 -18.00 7.00 5.00 17.00 29.00 42.00 a 49.00 41.00 34.00 19.00 13.00 -8.00 b -18.00
1988 -28.00 -20.00 a 9.00 20.00 32.00 34.00 47.00 42.00 35.00 11.00 9.00 -14.00 -28.00
1989 -7.00 -12.00 -7.00 17.00 26.00 39.00 49.00 46.00 26.00 22.00 -3.00 -22.00 -22.00
1990 -4.00 a -14.00 14.00 19.00 27.00 34.00 45.00 45.00 35.00 22.00 16.00 -26.00 -26.00
1991 -25.00 -6.00 8.00 21.00 31.00 45.00 47.00 47.00 27.00 20.00 -5.00 -7.00 -25.00
1992 -9.00 1.00 5.00 18.00 25.00 35.00 44.00 39.00 29.00 16.00 4.00 -9.00 -9.00
1993 -18.00 -19.00 -12.00 12.00 32.00 35.00 48.00 42.00 26.00 21.00 3.00 -9.00 -19.00
1994 -36.00 -29.00 2.00 19.00 29.00 34.00 46.00 42.00 38.00 28.00 14.00 -2.00 -36.00
1995 -9.00 -9.00 -12.00 10.00 29.00 43.00 44.00 51.00 25.00 25.00 -6.00 -9.00 -12.00
1996 -36.00 -40.00 -7.00 17.00 26.00 40.00 45.00 46.00 35.00 22.00 -10.00 -17.00 -40.00
1997 -18.00 -17.00 -14.00 12.00 28.00 43.00 41.00 43.00 35.00 26.00 6.00 8.00 -18.00
1998 -9.00 7.00 -5.00 26.00 39.00 38.00 49.00 48.00 36.00 25.00 19.00 -16.00 -16.00
1999 -28.00 9.00 3.00 29.00 34.00 39.00 52.00 45.00 33.00 19.00 12.00 -11.00 -28.00
2000 -16.00 2.00 16.00 20.00 32.00 42.00 47.00 49.00 34.00 26.00 8.00 -29.00 -29.00
2001 -15.00 -9.00 1.00 24.00 36.00 44.00 42.00 47.00 32.00 22.00 22.00 2.00 -15.00
2002 -4.00 -3.00 -23.00 17.00 27.00 45.00 49.00 47.00 34.00 23.00 13.00 -1.00 -23.00
2003 -10.00 -18.00 -10.00 11.00 30.00 36.00 49.00 49.00 31.00 21.00 10.00 -8.00 -18.00
2004 -15.00 -15.00 9.00 19.00 25.00 40.00 48.00 36.00 31.00 24.00 14.00 -19.00 -19.00
2005 -15.00 1.00 -4.00 25.00 22.00 47.00 46.00 43.00 36.00 24.00 6.00 -11.00 -15.00
2006 8.00 -27.00 7.00 22.00 30.00 42.00 49.00 46.00 34.00 22.00 14.00 3.00 -27.00
2007 -9.00 -24.00 -1.00 19.00 34.00 42.00 46.00 51.00 33.00 29.00 15.00 -14.00 -24.00
2008 -28.00 -22.00 -15.00 21.00 32.00 47.00 49.00 44.00 37.00 24.00 11.00 -15.00 a -28.00
2009 -30.00 -11.00 0.00 22.00 33.00 b 40.00 44.00 40.00 32.00 24.00 24.00 -16.00 -30.00
2010 -19.00 d -19.00 8.00 24.00 o 29.00 45.00 52.00 45.00 34.00 ----- z ----- z ----- z -19.00
2011 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2012 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN -20.10 -15.71 -2.41 17.60 29.29 39.66 46.25 43.21 31.45 21.48 7.89 -11.98 -24.44
S.D. 10.63 11.46 10.97 6.85 4.01 3.93 2.82 4.63 3.91 4.40 8.25 9.85 8.15
SKEW 0.08 0.17 -0.63 -2.19 0.14 -0.02 0.04 -0.25 -0.27 -0.39 -0.56 0.13 -0.34
MAX 8.00 9.00 19.00 29.00 39.00 47.00 52.00 51.00 40.00 29.00 24.00 10.00 -9.00
MIN -44.00 -40.00 -38.00 -14.00 19.00 32.00 41.00 33.00 23.00 11.00 -10.00 -33.00 -44.00
NO YRS 48 48 49 50 51 50 48 48 47 46 46 48 34