MASON DAM, OREGON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(355258)

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
1969 ----- z ----- z -4.00 20.00 21.00 31.00 35.00 27.00 26.00 12.00 10.00 5.00 -4.00
1970 -7.00 8.00 7.00 17.00 25.00 30.00 35.00 34.00 20.00 13.00 10.00 -8.00 -8.00
1971 -17.00 9.00 -4.00 19.00 27.00 32.00 33.00 33.00 24.00 5.00 10.00 -11.00 -17.00
1972 -12.00 -21.00 14.00 17.00 26.00 31.00 34.00 34.00 24.00 14.00 11.00 -19.00 -21.00
1973 -13.00 -1.00 16.00 18.00 24.00 22.00 28.00 e 33.00 27.00 21.00 10.00 0.00 -13.00
1974 -23.00 -4.00 6.00 19.00 25.00 30.00 32.00 32.00 h 21.00 b 15.00 12.00 -16.00 -23.00
1975 -17.00 -7.00 -4.00 6.00 24.00 29.00 33.00 33.00 28.00 16.00 -3.00 -6.00 -17.00
1976 -4.00 -16.00 -1.00 15.00 26.00 28.00 33.00 32.00 27.00 d 20.00 10.00 d 7.00 -16.00
1977 -12.00 6.00 11.00 b 16.00 26.00 28.00 29.00 33.00 29.00 19.00 -5.00 3.00 a -12.00
1978 -11.00 0.00 16.00 20.00 21.00 d 30.00 37.00 34.00 27.00 18.00 0.00 -25.00 -25.00
1979 -26.00 -22.00 1.00 a 18.00 d 25.00 f 29.00 27.00 a 38.00 30.00 23.00 a 5.00 a 7.00 j -26.00
1980 -18.00 a 14.00 a 11.00 a 12.00 a 30.00 23.00 a 38.00 c 28.00 a 29.00 a 19.00 15.00 h 3.00 -18.00
1981 12.00 0.00 19.00 b 17.00 27.00 32.00 31.00 37.00 26.00 a 19.00 13.00 4.00 0.00
1982 -24.00 -17.00 10.00 15.00 23.00 30.00 33.00 34.00 27.00 20.00 9.00 4.00 -24.00
1983 4.00 -4.00 20.00 18.00 25.00 32.00 33.00 40.00 23.00 24.00 11.00 -28.00 -28.00
1984 -17.00 -5.00 10.00 21.00 21.00 26.00 35.00 34.00 21.00 19.00 11.00 -20.00 -20.00
1985 -16.00 -30.00 -9.00 20.00 20.00 28.00 37.00 33.00 20.00 13.00 -10.00 -11.00 -30.00
1986 -3.00 -2.00 19.00 17.00 22.00 30.00 32.00 38.00 29.00 22.00 9.00 8.00 -3.00
1987 -18.00 -1.00 7.00 12.00 24.00 28.00 35.00 33.00 26.00 20.00 11.00 -3.00 -18.00
1988 -15.00 a -18.00 e 13.00 18.00 21.00 32.00 38.00 35.00 25.00 21.00 8.00 -11.00 -18.00
1989 -18.00 -40.00 8.00 a 24.00 25.00 31.00 38.00 30.00 29.00 12.00 14.00 11.00 -40.00
1990 4.00 -8.00 7.00 22.00 24.00 29.00 34.00 39.00 33.00 22.00 17.00 -26.00 -26.00
1991 -11.00 11.00 15.00 19.00 25.00 26.00 37.00 38.00 27.00 9.00 10.00 7.00 -11.00
1992 0.00 13.00 23.00 20.00 22.00 33.00 40.00 26.00 25.00 18.00 0.00 -8.00 -8.00
1993 -15.00 -16.00 -9.00 22.00 29.00 30.00 31.00 29.00 25.00 22.00 -6.00 6.00 -16.00
1994 1.00 -16.00 15.00 24.00 23.00 29.00 31.00 37.00 33.00 22.00 2.00 -10.00 -16.00
1995 -15.00 6.00 11.00 20.00 27.00 32.00 34.00 32.00 27.00 19.00 12.00 6.00 -15.00
1996 -28.00 -29.00 8.00 24.00 24.00 28.00 34.00 33.00 25.00 17.00 18.00 3.00 -29.00
1997 -4.00 1.00 7.00 18.00 23.00 30.00 36.00 40.00 33.00 20.00 22.00 5.00 a -4.00
1998 -9.00 2.00 1.00 23.00 30.00 35.00 45.00 37.00 35.00 20.00 19.00 a -10.00 -10.00
1999 -9.00 a -10.00 b 5.00 11.00 b 20.00 g 27.00 c 29.00 36.00 a 24.00 19.00 18.00 5.00 -10.00
2000 -7.00 2.00 9.00 22.00 22.00 31.00 a 34.00 34.00 23.00 24.00 9.00 2.00 i -7.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2005 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2006 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2011 -12.00 2.00 b 17.00 21.00 22.00 b 29.00 z 41.00 v 41.00 34.00 22.00 13.00 5.00 -12.00
2012 5.00 a 7.00 12.00 18.00 a 26.00 32.00 38.00 36.00 31.00 24.00 21.00 i 3.00 3.00
2013 -15.00 5.00 a 9.00 30.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -15.00
Period of Record Statistics
MEAN -10.88 -5.32 8.46 18.32 24.38 29.52 34.21 34.27 26.85 18.32 8.75 -3.97 -17.12
S.D. 9.34 13.20 8.10 3.93 2.61 2.69 3.66 3.68 3.93 4.46 7.50 11.15 9.62
SKEW 0.46 -0.74 -0.50 -1.02 0.42 -0.82 0.46 -0.29 0.25 -1.10 -0.76 -0.70 -0.31
MAX 12.00 14.00 23.00 24.00 30.00 35.00 45.00 41.00 35.00 24.00 22.00 11.00 0.00
MIN -28.00 -40.00 -9.00 6.00 20.00 22.00 27.00 26.00 20.00 5.00 -10.00 -28.00 -40.00
NO YRS 34 34 35 34 32 33 33 33 34 34 32 32 24