RIDGWAY st,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(057020)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00 13.00 5.00 -17.00 -17.00
1983 -14.00 -3.00 4.00 8.00 20.00 26.00 37.00 a 42.00 20.00 22.00 q -6.00 p -26.00 e -26.00
1984 -29.00 -18.00 -15.00 4.00 18.00 30.00 37.00 38.00 16.00 13.00 -13.00 a -1.00 -29.00
1985 -11.00 -36.00 6.00 10.00 20.00 26.00 a 33.00 29.00 16.00 a 16.00 -4.00 -17.00 -36.00
1986 -18.00 a -16.00 6.00 12.00 a 19.00 31.00 31.00 34.00 22.00 f 11.00 3.00 -16.00 -18.00
1987 -18.00 -14.00 -16.00 e 13.00 21.00 25.00 30.00 31.00 18.00 14.00 -7.00 -8.00 d -18.00
1988 -23.00 -18.00 -2.00 9.00 18.00 25.00 34.00 33.00 15.00 16.00 -7.00 -24.00 -24.00
1989 -33.00 -33.00 -1.00 14.00 16.00 27.00 33.00 33.00 23.00 7.00 -1.00 a -11.00 -33.00
1990 -15.00 -15.00 9.00 21.00 17.00 19.00 34.00 32.00 31.00 17.00 -6.00 -26.00 -26.00
1991 -14.00 -5.00 -5.00 3.00 21.00 26.00 34.00 34.00 24.00 7.00 -6.00 -10.00 -14.00
1992 -15.00 1.00 7.00 21.00 28.00 30.00 33.00 29.00 22.00 13.00 -6.00 -15.00 -15.00
1993 -6.00 -1.00 5.00 12.00 22.00 24.00 30.00 36.00 24.00 7.00 -15.00 -7.00 -15.00
1994 -9.00 -19.00 9.00 12.00 22.00 31.00 33.00 41.00 24.00 12.00 -6.00 -10.00 -19.00
1995 -8.00 12.00 -2.00 16.00 24.00 28.00 ----- z 37.00 19.00 11.00 4.00 -1.00 -8.00
1996 -12.00 -15.00 1.00 15.00 27.00 33.00 40.00 j 37.00 24.00 9.00 1.00 -11.00 -15.00
1997 -11.00 -7.00 -12.00 10.00 27.00 34.00 32.00 38.00 31.00 10.00 -3.00 -14.00 -14.00
1998 -1.00 -1.00 -7.00 17.00 22.00 29.00 41.00 40.00 27.00 14.00 8.00 -21.00 -21.00
1999 -3.00 -8.00 15.00 8.00 20.00 24.00 42.00 37.00 14.00 11.00 0.00 -15.00 -15.00
2000 -15.00 9.00 11.00 19.00 24.00 32.00 37.00 41.00 20.00 17.00 -7.00 -2.00 -15.00
2001 -11.00 -10.00 10.00 16.00 24.00 28.00 42.00 38.00 23.00 16.00 -8.00 -13.00 -13.00
2002 -16.00 -15.00 -15.00 17.00 17.00 32.00 42.00 32.00 28.00 18.00 8.00 -1.00 -16.00
2003 0.00 -3.00 3.00 12.00 18.00 30.00 35.00 41.00 23.00 14.00 -5.00 -11.00 -11.00
2004 -24.00 -21.00 8.00 24.00 20.00 30.00 35.00 32.00 25.00 18.00 -16.00 -9.00 -24.00
2005 -2.00 3.00 7.00 10.00 ----- z 29.00 38.00 32.00 27.00 23.00 3.00 -24.00 -24.00
2006 -13.00 2.00 9.00 13.00 20.00 33.00 42.00 33.00 19.00 16.00 -18.00 -11.00 -18.00
2007 -18.00 -10.00 -4.00 19.00 24.00 25.00 40.00 41.00 25.00 6.00 -10.00 -10.00 -18.00
2008 -23.00 -9.00 -1.00 17.00 16.00 22.00 41.00 36.00 27.00 11.00 4.00 -10.00 -23.00
2009 -6.00 2.00 2.00 4.00 29.00 30.00 40.00 33.00 24.00 11.00 6.00 -14.00 -14.00
2010 -8.00 -12.00 3.00 14.00 17.00 33.00 36.00 39.00 26.00 11.00 -13.00 ----- z -13.00
2011 -24.00 -29.00 a 6.00 a 16.00 f 17.00 30.00 a 40.00 b 37.00 a 28.00 16.00 2.00 -10.00 b -29.00
2012 -6.00 a 4.00 -10.00 e 13.00 27.00 ----- z 44.00 40.00 24.00 13.00 1.00 -20.00 -20.00
2013 -24.00 -12.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -24.00
Period of Record Statistics
MEAN -13.87 -9.58 1.03 13.21 21.21 28.34 36.64 35.87 23.17 13.03 -3.53 -12.83 -19.67
S.D. 8.27 11.47 8.39 5.18 3.82 3.65 4.15 3.82 4.52 3.88 7.24 7.03 6.87
SKEW -0.33 -0.35 -0.62 -0.07 0.50 -0.56 0.09 -0.08 -0.34 0.20 -0.22 -0.17 -0.95
MAX 0.00 12.00 15.00 24.00 29.00 34.00 44.00 42.00 31.00 23.00 8.00 -1.00 -11.00
MIN -33.00 -36.00 -16.00 3.00 16.00 19.00 30.00 29.00 14.00 6.00 -18.00 -26.00 -36.00
NO YRS 31 31 30 29 29 29 28 30 30 30 30 30 21