MASON DAM, OREGON

Monthly Average Maximum 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 47.90 58.47 68.87 73.30 82.16 83.81 74.80 55.74 49.40 37.71 63.22
1970 35.87 45.29 44.94 49.00 63.90 75.93 82.87 86.77 66.43 56.13 44.37 31.65 56.93
1971 36.60 a 42.21 43.35 55.70 67.52 69.17 82.77 87.39 66.87 57.71 43.90 33.13 57.19
1972 33.42 39.14 51.42 51.97 67.39 73.10 80.74 83.81 66.27 61.48 42.73 28.29 56.65
1973 31.84 42.07 48.42 57.13 68.55 73.67 85.50 e 82.84 71.20 59.48 41.07 38.16 58.33
1974 30.97 40.14 45.94 53.00 61.42 79.87 81.06 79.61 h 78.32 b 62.94 46.13 35.42 55.93
1975 34.58 37.14 43.35 47.67 61.77 69.97 83.77 76.06 75.80 55.16 43.30 37.58 55.51
1976 35.81 38.34 42.61 54.33 67.68 68.73 80.58 72.26 73.20 61.48 52.31 d 37.58 57.08
1977 28.94 45.07 44.59 b 64.23 58.03 77.30 81.00 82.45 69.13 60.16 42.47 38.13 a 57.63
1978 37.61 41.04 55.10 53.60 60.70 d 73.13 81.61 78.32 67.93 64.35 40.93 30.48 57.07
1979 24.06 38.89 49.43 a 54.00 d 68.96 f 75.23 84.13 a 80.00 76.70 62.53 a 42.93 a 39.14 j 58.79
1980 32.47 a 42.07 a 45.37 a 60.24 a 63.90 68.41 a 81.18 c 77.10 a 71.83 a 61.81 41.64 h 36.81 58.29
1981 38.06 40.96 48.69 b 56.60 61.45 69.73 80.39 86.06 73.46 b 55.65 45.30 36.45 57.73
1982 31.81 35.14 45.03 52.47 63.45 72.50 77.74 81.97 68.40 56.61 40.37 34.74 55.02
1983 39.07 a 42.00 48.39 53.47 67.13 71.23 76.32 81.84 71.87 62.42 43.30 27.13 57.01
1984 30.90 36.72 47.06 51.20 64.16 69.40 83.94 82.71 68.50 53.71 43.03 31.16 55.21
1985 29.55 34.04 43.87 61.47 66.90 75.97 88.00 78.77 63.63 57.03 33.70 24.87 54.82
1986 37.35 42.89 53.94 57.07 66.45 80.57 78.71 86.27 a 64.50 63.23 45.40 35.13 59.29
1987 31.61 43.64 48.77 65.50 68.74 77.57 79.94 80.87 78.17 68.65 46.13 33.84 60.29
1988 32.39 42.86 49.90 58.90 65.16 74.57 84.16 83.71 73.53 70.90 42.33 31.81 59.19
1989 31.39 31.18 47.13 61.03 64.84 76.27 84.16 75.65 72.80 58.06 46.40 37.71 57.22
1990 37.00 40.93 53.55 63.13 62.90 73.10 84.94 79.97 79.63 58.71 45.20 26.90 58.83
1991 32.81 48.21 47.00 54.37 61.39 68.23 84.52 85.84 77.73 62.71 40.17 36.77 58.31
1992 37.16 47.66 57.97 61.50 74.16 78.57 79.65 84.03 74.00 64.58 37.97 30.90 60.68
1993 28.74 35.18 45.48 53.97 71.32 68.67 71.23 76.68 75.20 61.32 40.97 34.77 55.29
1994 39.19 38.82 55.19 61.30 68.26 74.63 86.87 86.06 78.20 58.35 36.73 33.77 59.78
1995 35.39 45.21 46.87 53.57 63.68 69.33 79.87 78.19 75.50 56.87 45.20 35.90 57.13
1996 35.23 39.10 50.19 56.03 60.26 73.30 85.23 82.45 69.17 59.94 44.93 35.94 57.65
1997 35.40 a 40.89 48.39 53.97 68.84 71.23 78.16 82.61 73.83 58.87 47.30 34.53 a 57.84
1998 37.00 40.96 47.35 53.70 60.26 69.57 85.84 83.26 76.93 59.06 43.00 31.39 57.36
1999 36.61 37.89 45.65 53.96 c 62.94 69.93 82.00 82.97 a 73.70 63.65 49.87 33.16 57.69
2000 35.68 42.24 47.65 61.97 65.16 75.86 a 82.74 84.74 70.63 58.94 37.50 34.09 i 60.28
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 33.66 b 39.07 a 42.74 48.73 58.18 c 64.50 z 83.56 v 86.03 79.50 60.74 40.57 34.81 52.40
2012 36.03 a 41.48 47.52 56.96 b 63.03 70.10 85.39 87.06 79.00 a 59.97 46.29 i 34.26 60.07
2013 27.65 42.11 49.23 69.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.66
Period of Record Statistics
MEAN 33.88 40.61 48.00 56.18 64.80 72.97 82.04 82.08 72.83 60.26 43.28 33.78 57.51
S.D. 3.54 3.69 3.71 4.51 3.73 3.53 3.36 3.77 4.52 3.71 3.87 3.51 1.54
SKEW -0.69 -0.27 0.84 0.23 0.27 0.42 -0.90 -0.67 -0.30 0.74 -0.10 -0.83 0.15
MAX 39.19 48.21 57.97 65.50 74.16 80.57 88.00 87.39 79.63 70.90 52.31 38.16 60.68
MIN 24.06 31.18 42.61 47.67 58.03 68.23 71.23 72.26 63.63 53.71 33.70 24.87 54.82
NO YRS 34 34 35 34 33 33 33 33 34 34 32 32 27