MASON DAM, OREGON

Monthly Average 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 31.89 43.43 52.60 57.83 62.03 61.95 56.37 41.39 35.58 28.89 47.20
1970 26.48 32.43 33.37 36.98 48.90 60.30 64.06 63.73 49.38 41.16 34.82 21.08 42.73
1971 25.02 a 29.73 29.58 41.13 51.87 53.72 63.34 66.95 49.65 42.23 33.73 22.11 42.42
1972 22.45 26.69 38.26 39.63 51.26 57.38 62.53 64.35 50.47 44.92 34.42 19.52 42.66
1973 20.29 29.91 36.05 42.03 50.69 56.35 64.48 e 62.76 53.95 44.15 32.15 29.52 43.53
1974 19.34 27.43 33.65 40.57 46.95 60.63 62.15 59.17 h 54.76 c 43.37 33.68 23.85 40.58
1975 20.92 22.18 28.89 34.00 47.24 54.00 65.10 57.68 55.80 43.79 31.80 27.94 40.78
1976 23.61 25.55 29.13 40.50 50.56 53.15 63.06 58.58 56.44 d 45.19 40.79 d 26.48 42.76
1977 19.03 31.66 32.98 b 45.88 45.61 59.90 61.98 64.79 53.80 45.32 32.62 31.23 a 43.73
1978 29.18 32.64 41.48 42.13 47.63 d 56.50 63.61 60.84 53.07 46.65 31.07 19.40 43.68
1979 11.63 29.48 36.37 a 41.60 d 51.50 f 57.20 63.48 a 63.05 57.88 47.82 a 32.17 a 30.42 k 44.07
1980 23.18 a 33.29 a 34.95 a 45.48 a 50.18 53.76 a 62.89 c 58.28 a 55.78 a 46.37 32.57 h 28.56 44.79
1981 30.92 30.09 37.52 b 43.67 49.10 55.07 61.31 65.98 55.89 b 43.03 36.37 29.15 44.84
1982 21.63 22.95 33.95 38.75 47.76 57.85 61.34 63.58 53.77 44.53 30.60 26.45 41.93
1983 30.22 a 32.59 38.50 40.42 51.03 54.65 59.76 65.06 53.43 46.79 35.17 19.47 43.92
1984 21.77 24.36 36.00 39.82 48.77 53.93 64.00 64.63 52.37 41.29 32.72 18.68 41.53
1985 16.35 16.96 28.81 45.73 51.08 57.25 65.79 60.50 49.18 43.08 23.80 13.84 39.37
1986 25.32 32.70 41.03 42.53 50.92 62.02 59.85 66.70 a 50.25 46.77 36.12 26.00 45.02
1987 19.53 28.46 36.77 48.27 53.34 59.90 62.42 61.32 58.20 48.24 35.50 24.56 44.71
1988 21.25 a 29.46 e 35.95 44.53 50.05 58.87 64.44 62.92 54.80 52.02 34.32 20.26 44.07
1989 20.02 15.39 34.17 a 45.83 49.44 58.25 64.05 59.40 54.58 44.55 36.12 27.68 42.46
1990 27.68 26.77 38.84 47.43 48.11 56.48 65.34 63.37 60.42 45.03 35.07 16.19 44.23
1991 20.97 36.09 35.65 41.37 47.56 53.02 64.85 66.24 58.38 45.74 32.70 28.52 44.26
1992 27.26 36.53 42.84 46.95 55.35 61.63 62.19 64.55 55.97 48.37 30.13 20.18 46.00
1993 15.55 21.77 34.77 41.32 55.40 54.02 54.81 59.84 56.20 47.65 28.70 27.10 41.43
1994 29.26 26.77 39.19 47.10 53.71 57.68 67.02 65.48 59.08 44.15 28.15 23.16 45.06
1995 26.85 33.64 35.47 41.45 49.97 55.30 63.26 59.98 57.50 42.90 36.48 28.21 44.25
1996 25.77 25.93 37.10 43.28 47.03 56.70 65.42 63.19 52.63 45.34 35.57 26.76 43.73
1997 25.48 a 28.82 36.06 41.38 53.42 56.12 62.06 64.69 57.68 44.48 37.53 25.03 a 44.40
1998 27.32 29.50 34.85 41.92 49.16 55.62 67.98 64.97 60.95 44.19 35.53 a 23.06 44.59
1999 26.42 a 24.17 b 32.61 39.50 e 47.98 g 53.81 c 61.56 64.98 a 54.58 46.85 40.13 25.03 42.70
2000 24.79 31.38 34.65 46.15 50.68 58.25 b 63.76 64.32 54.35 45.47 28.38 24.91 i 45.65
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 24.97 b 28.71 b 33.74 38.10 44.89 c 53.50 z 63.72 v 66.63 60.50 47.42 32.02 26.03 40.30
2012 26.47 a 29.84 36.84 43.91 b 48.27 55.00 67.10 66.56 59.52 a 45.79 38.57 i 26.66 46.00
2013 16.56 29.89 a 36.44 49.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.63
Period of Record Statistics
MEAN 23.34 28.35 35.38 42.43 49.95 56.73 63.24 63.27 55.22 45.18 33.56 24.39 43.39
S.D. 4.51 4.77 3.36 3.23 2.60 2.52 2.45 2.64 3.22 2.30 3.49 4.25 1.52
SKEW -0.50 -0.80 -0.08 -0.24 0.28 0.39 -0.96 -0.56 -0.16 0.50 -0.46 -0.63 -0.74
MAX 30.92 36.53 42.84 48.27 55.40 62.02 67.98 66.95 60.95 52.02 40.79 31.23 46.00
MIN 11.63 15.39 28.81 34.00 44.89 53.02 54.81 57.68 49.18 41.16 23.80 13.84 39.37
NO YRS 34 34 35 34 32 33 33 33 34 34 32 32 26