THIEF RIVER FALLS 2,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(218247)

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1972 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -8.00 -28.00 -28.00
1973 -40.00 -33.00 15.00 10.00 24.00 33.00 40.00 c 43.00 24.00 a 24.00 a -3.00 -36.00 e -40.00
1974 -38.00 -36.00 -29.00 3.00 b 24.00 34.00 40.00 b ----- z ----- z ----- z 4.00 -7.00 -38.00
1975 ----- z ----- z -16.00 i -10.00 32.00 a 38.00 45.00 h ----- z ----- z ----- z ----- z ----- z -16.00
1976 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -17.00 i -33.00 b -33.00
1977 -34.00 b -27.00 -3.00 11.00 a 24.00 b 44.00 46.00 35.00 35.00 22.00 -21.00 -28.00 d -34.00
1978 -28.00 d -28.00 -20.00 a 12.00 32.00 37.00 a 44.00 40.00 c 32.00 20.00 -20.00 -27.00 -28.00
1979 -32.00 -32.00 -15.00 -9.00 26.00 42.00 a 45.00 35.00 b 34.00 17.00 1.00 -16.00 -32.00
1980 -25.00 -28.00 -24.00 25.00 c 25.00 37.00 44.00 41.00 27.00 15.00 -3.00 d -22.00 a -28.00
1981 -26.00 c -26.00 c 5.00 a 11.00 a 24.00 a 43.00 42.00 c 41.00 a 26.00 b 12.00 a 11.00 c -17.00 c -26.00
1982 -32.00 -29.00 -15.00 a 4.00 27.00 31.00 50.00 32.00 31.00 23.00 -7.00 k -10.00 -32.00
1983 -21.00 -24.00 5.00 a 18.00 22.00 37.00 38.00 50.00 31.00 23.00 8.00 -28.00 -28.00
1984 -27.00 -19.00 -17.00 24.00 25.00 44.00 41.00 43.00 24.00 11.00 1.00 b -20.00 e -27.00
1985 -37.00 n -28.00 2.00 19.00 31.00 30.00 40.00 39.00 b 25.00 18.00 -29.00 c -24.00 -37.00
1986 -33.00 -26.00 -17.00 16.00 22.00 39.00 45.00 35.00 28.00 19.00 -10.00 -16.00 -33.00
1987 -31.00 -5.00 -6.00 16.00 33.00 39.00 43.00 37.00 34.00 16.00 ----- z -13.00 -31.00
1988 -29.00 -31.00 a -2.00 14.00 24.00 44.00 46.00 40.00 33.00 7.00 ----- z ----- z -31.00
1989 -34.00 c -37.00 -25.00 5.00 21.00 34.00 52.00 42.00 23.00 16.00 -15.00 -34.00 -37.00
1990 -21.00 -19.00 -4.00 9.00 20.00 39.00 45.00 37.00 29.00 18.00 -2.00 -32.00 -32.00
1991 -31.00 -21.00 -15.00 21.00 26.00 45.00 46.00 45.00 27.00 6.00 -6.00 -23.00 -31.00
1992 -27.00 -19.00 3.00 14.00 26.00 36.00 40.00 38.00 25.00 11.00 4.00 a -26.00 a -27.00
1993 -34.00 -26.00 ----- z 18.00 27.00 34.00 43.00 37.00 26.00 17.00 -2.00 -24.00 -34.00
1994 -36.00 -34.00 -3.00 11.00 25.00 41.00 48.00 42.00 34.00 21.00 10.00 -11.00 -36.00
1995 -19.00 a -24.00 -22.00 b -2.00 29.00 41.00 42.00 47.00 26.00 a 24.00 ----- z -30.00 a -30.00
1996 -42.00 -45.00 b -23.00 -1.00 24.00 30.00 48.00 46.00 30.00 j 7.00 -20.00 -31.00 -45.00
1997 -23.00 k -24.00 -21.00 3.00 26.00 46.00 49.00 k 41.00 j 34.00 15.00 -6.00 j -15.00 k -24.00
1998 -24.00 a -10.00 -9.00 23.00 35.00 34.00 46.00 k 49.00 i 33.00 24.00 2.00 -21.00 -24.00
1999 -30.00 d -17.00 b -1.00 a 24.00 a 30.00 38.00 49.00 a 46.00 31.00 a 19.00 8.00 -18.00 d -30.00
2000 ----- z -11.00 7.00 a ----- z 29.00 39.00 ----- z ----- z 29.00 a 21.00 -2.00 c -26.00 f -26.00
2001 -23.00 d -25.00 e -8.00 c 17.00 a ----- z ----- z 35.00 38.00 33.00 e 21.00 c 16.00 -5.00 c -25.00
2002 -14.00 ----- z -17.00 14.00 22.00 d 42.00 48.00 40.00 a 32.00 10.00 a -4.00 -8.00 c -17.00
2003 -25.00 -27.00 -29.00 a 10.00 31.00 41.00 ----- z 41.00 26.00 a ----- z -10.00 -21.00 b -29.00
2004 -40.00 b -23.00 g -7.00 b 17.00 a 22.00 a 37.00 a 41.00 31.00 31.00 20.00 a 8.00 -21.00 a -40.00
2005 -40.00 ----- z ----- z 21.00 19.00 ----- z 44.00 ----- z ----- z ----- z ----- z -14.00 d -40.00
2006 0.00 -27.00 g -8.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z -3.00 k ----- z -27.00
2007 -17.00 i -31.00 g -19.00 i 0.00 h 30.00 o 40.00 u 48.00 l 42.00 i 34.00 k ----- z ----- z ----- z -31.00
2008 -26.00 k -34.00 l -19.00 i 17.00 i 23.00 i 45.00 i 45.00 h ----- z ----- z ----- z ----- z -22.00 z -34.00
2009 ----- z ----- z ----- z ----- z 28.00 m 36.00 m ----- z ----- z ----- z 19.00 j 19.00 k -15.00 l -15.00
2010 -25.00 k -24.00 -5.00 h 20.00 31.00 m 42.00 p 49.00 f 40.00 p 34.00 g 20.00 j -10.00 m -21.00 m -25.00
2011 -37.00 j -20.00 r -18.00 q 19.00 l 36.00 r 36.00 k 48.00 p 47.00 n 31.00 r 19.00 p 8.00 u -6.00 q -37.00
2012 -22.00 x -9.00 t 15.00 x 15.00 j 33.00 x 48.00 o 52.00 p 40.00 j 22.00 a 20.00 f -3.00 c -16.00 l -22.00
2013 -26.00 k -24.00 f -17.00 k ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -26.00
Period of Record Statistics
MEAN -28.83 -25.34 -10.10 12.12 26.03 38.30 43.89 40.04 29.14 17.04 -3.15 -21.47 -32.00
S.D. 8.83 8.36 11.58 9.16 4.04 4.47 3.91 4.61 3.92 5.43 10.92 8.50 3.46
SKEW 1.13 0.27 0.16 -0.77 0.43 -0.17 -0.05 0.08 -0.15 -0.58 -0.53 0.21 0.00
MAX 0.00 -5.00 15.00 25.00 35.00 46.00 52.00 50.00 35.00 24.00 16.00 -5.00 -27.00
MIN -42.00 -45.00 -29.00 -10.00 19.00 30.00 35.00 31.00 22.00 6.00 -29.00 -36.00 -37.00
NO YRS 29 29 30 32 31 30 27 26 29 28 27 30 8