RUCH state,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(357391)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1963 ----- z ----- z ----- z 24.00 32.00 36.00 38.00 38.00 39.00 24.00 25.00 a 19.00 19.00
1964 23.00 18.00 23.00 22.00 27.00 d 35.00 a 40.00 36.00 30.00 24.00 17.00 15.00 15.00
1965 16.00 18.00 ----- z 26.00 b 25.00 33.00 35.00 37.00 e ----- z ----- z ----- z 11.00 b 11.00
1966 15.00 20.00 20.00 23.00 31.00 31.00 39.00 43.00 34.00 25.00 b 25.00 24.00 15.00
1967 22.00 21.00 22.00 23.00 27.00 a 34.00 45.00 44.00 39.00 31.00 21.00 10.00 10.00
1968 16.00 24.00 23.00 22.00 28.00 a 35.00 43.00 41.00 32.00 27.00 27.00 19.00 16.00
1969 12.00 25.00 20.00 26.00 31.00 40.00 41.00 c 38.00 35.00 28.00 21.00 21.00 12.00
1970 11.00 23.00 a 24.00 a 24.00 29.00 39.00 44.00 43.00 27.00 25.00 28.00 19.00 11.00
1971 14.00 20.00 23.00 a 25.00 28.00 39.00 41.00 c 40.00 37.00 19.00 21.00 20.00 14.00
1972 15.00 14.00 24.00 20.00 31.00 36.00 42.00 38.00 32.00 22.00 28.00 -2.00 -2.00
1973 20.00 22.00 25.00 27.00 31.00 34.00 36.00 38.00 33.00 27.00 27.00 28.00 20.00
1974 10.00 21.00 24.00 26.00 32.00 36.00 38.00 39.00 34.00 28.00 25.00 20.00 a 10.00
1975 23.00 a 20.00 24.00 23.00 29.00 35.00 39.00 39.00 36.00 29.00 21.00 24.00 20.00
1976 19.00 13.00 20.00 23.00 31.00 30.00 34.00 40.00 f 36.00 28.00 17.00 16.00 13.00
1977 15.00 22.00 25.00 24.00 28.00 36.00 36.00 42.00 32.00 32.00 15.00 25.00 15.00
1978 23.00 23.00 23.00 28.00 27.00 37.00 42.00 42.00 31.00 24.00 13.00 7.00 7.00
1979 13.00 12.00 29.00 29.00 30.00 35.00 37.00 43.00 37.00 37.00 23.00 20.00 12.00
1980 8.00 20.00 25.00 27.00 29.00 38.00 42.00 39.00 33.00 29.00 20.00 15.00 8.00
1981 25.00 21.00 24.00 27.00 28.00 35.00 b 37.00 42.00 31.00 28.00 27.00 25.00 21.00
1982 15.00 16.00 24.00 24.00 29.00 32.00 38.00 41.00 32.00 28.00 21.00 17.00 15.00
1983 21.00 21.00 24.00 25.00 28.00 36.00 38.00 46.00 33.00 30.00 25.00 14.00 14.00
1984 18.00 25.00 27.00 27.00 30.00 32.00 39.00 40.00 31.00 29.00 27.00 18.00 18.00
1985 19.00 16.00 22.00 32.00 28.00 32.00 44.00 40.00 35.00 22.00 18.00 18.00 16.00
1986 24.00 21.00 24.00 26.00 30.00 38.00 37.00 45.00 34.00 29.00 26.00 23.00 21.00
1987 13.00 21.00 24.00 26.00 29.00 35.00 37.00 41.00 32.00 30.00 21.00 18.00 13.00
1988 17.00 20.00 21.00 24.00 28.00 37.00 38.00 40.00 29.00 34.00 24.00 18.00 17.00
1989 22.00 2.00 25.00 32.00 28.00 39.00 40.00 39.00 38.00 24.00 24.00 b 18.00 2.00
1990 21.00 12.00 21.00 28.00 27.00 37.00 42.00 40.00 40.00 25.00 25.00 -3.00 -3.00
1991 15.00 27.00 24.00 25.00 33.00 ----- z 45.00 40.00 30.00 38.00 z 20.00 20.00 15.00
1992 21.00 24.00 26.00 25.00 ----- z ----- z ----- z ----- z ----- z ----- z 23.00 18.00 18.00
1993 22.00 18.00 28.00 28.00 31.00 33.00 39.00 35.00 27.00 29.00 17.00 18.00 17.00
1994 21.00 20.00 22.00 27.00 i 31.00 34.00 40.00 42.00 34.00 25.00 20.00 19.00 19.00
1995 25.00 23.00 22.00 28.00 31.00 37.00 40.00 37.00 40.00 25.00 22.00 21.00 21.00
1996 28.00 25.00 23.00 26.00 26.00 34.00 39.00 39.00 31.00 25.00 26.00 ----- z 23.00
1997 15.00 24.00 25.00 24.00 33.00 39.00 42.00 45.00 35.00 25.00 29.00 19.00 15.00
1998 24.00 30.00 x 25.00 q 27.00 44.00 v 45.00 y 53.00 z 45.00 k 38.00 r 34.00 v ----- z 25.00 z 24.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.00 21.00 21.00
2001 20.00 a 19.00 a 25.00 25.00 32.00 b 34.00 43.00 a 35.00 a 37.00 a 23.00 a 24.00 25.00 19.00
2002 19.00 24.00 22.00 28.00 32.00 37.00 42.00 40.00 34.00 17.00 17.00 24.00 17.00
2003 26.00 20.00 21.00 29.00 29.00 35.00 46.00 45.00 32.00 24.00 12.00 c 26.00 12.00
2004 17.00 23.00 27.00 28.00 35.00 41.00 40.00 e 42.00 32.00 29.00 20.00 21.00 17.00
2005 18.00 f 23.00 25.00 26.00 35.00 34.00 a 45.00 36.00 28.00 25.00 25.00 16.00 16.00
2006 24.00 17.00 20.00 27.00 31.00 32.00 43.00 42.00 36.00 25.00 20.00 18.00 17.00
2007 13.00 16.00 23.00 b ----- z 33.00 36.00 43.00 40.00 30.00 e 27.00 21.00 d 19.00 13.00
2008 16.00 18.00 19.00 20.00 26.00 30.00 41.00 38.00 h 34.00 e 22.00 24.00 9.00 9.00
2009 18.00 e 22.00 g 18.00 e 22.00 e 29.00 c 35.00 c 36.00 b 32.00 22.00 e 23.00 f 22.00 9.00 e 9.00
2010 27.00 24.00 h 24.00 24.00 28.00 37.00 e 42.00 j 40.00 h 39.00 k 32.00 i 20.00 20.00 h 20.00
2011 18.00 g 16.00 g 27.00 f 27.00 d 30.00 e 35.00 c 45.00 46.00 d 39.00 26.00 e 26.00 e 18.00 c 16.00
2012 21.00 c 24.00 f 24.00 d 31.00 h 31.00 e 38.00 d 41.00 b 43.00 a 43.00 35.00 32.00 20.00 20.00
2013 22.00 a 29.00 a 28.00 f 48.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.00 z 22.00
Period of Record Statistics
MEAN 18.78 20.02 23.36 25.60 29.72 35.40 40.27 40.30 33.55 26.67 22.43 17.78 13.53
S.D. 4.77 4.73 2.31 2.62 2.29 2.57 3.01 3.11 4.02 3.93 4.19 6.30 5.99
SKEW -0.16 -1.34 -0.03 0.15 0.25 -0.09 0.00 -0.26 -0.16 0.25 -0.32 -1.48 -1.25
MAX 28.00 29.00 29.00 32.00 35.00 41.00 46.00 46.00 43.00 37.00 32.00 28.00 21.00
MIN 8.00 2.00 18.00 20.00 25.00 30.00 34.00 32.00 22.00 17.00 12.00 -3.00 -3.00
NO YRS 46 43 44 45 46 45 45 43 44 42 47 46 32