FOSTER DAM, OREGON

Monthly Average Temperature (Degrees Fahrenheit)

(353047)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.62 d 44.32 44.47
1970 42.68 46.48 46.81 46.03 55.24 63.48 66.00 64.11 57.63 51.45 46.57 40.34 52.24
1971 39.02 d 42.34 42.71 48.07 55.10 57.43 65.50 67.66 58.62 50.42 44.80 39.68 a 50.95
1972 38.60 42.91 47.81 46.50 56.18 60.03 67.44 67.10 58.07 51.53 47.43 36.69 51.69
1973 39.12 a 46.11 45.15 a 50.52 55.98 60.48 65.76 61.79 60.32 52.53 44.22 44.34 52.19
1974 36.79 41.34 45.58 48.62 52.42 60.55 64.40 65.11 63.65 53.15 47.20 44.47 51.94
1975 42.73 42.43 43.56 44.60 54.34 58.45 65.23 61.85 61.80 53.55 44.82 42.66 51.33
1976 41.50 41.31 43.18 47.40 54.50 56.17 63.87 63.47 61.93 53.05 47.38 39.68 51.12
1977 38.39 45.46 44.05 51.47 51.37 61.22 63.13 69.02 58.95 53.32 45.55 44.60 52.21
1978 44.15 46.14 49.95 48.95 52.98 62.45 65.55 64.95 59.30 53.37 40.70 37.06 52.13
1979 31.65 41.84 48.68 49.63 55.95 61.03 65.68 64.00 62.73 56.24 43.23 44.65 52.11
1980 37.29 45.16 45.35 51.85 53.66 57.52 64.69 62.08 60.50 54.40 48.28 44.61 52.12
1981 42.56 44.61 47.82 50.47 55.05 58.93 64.11 68.13 61.73 51.37 47.47 43.31 52.96
1982 38.61 42.05 45.27 47.97 53.87 61.97 63.35 64.73 59.40 53.39 43.43 40.82 51.24
1983 43.97 46.21 48.66 50.30 56.77 58.55 62.60 65.31 58.38 52.63 48.50 37.69 52.46
1984 40.89 44.81 49.06 48.50 53.29 57.67 64.53 65.18 60.32 50.84 45.45 37.77 51.53
1985 36.74 39.71 43.50 51.73 55.23 61.27 68.81 63.84 56.83 52.00 37.93 35.48 50.26
1986 44.31 44.34 50.50 48.87 55.56 64.15 62.35 68.90 57.82 54.77 47.03 41.34 53.33
1987 40.85 45.52 47.76 53.62 58.02 62.82 64.23 65.15 61.70 55.63 47.12 40.18 53.55
1988 40.35 44.33 46.92 51.20 54.52 60.58 66.02 64.77 60.88 56.95 46.65 40.79 52.83
1989 41.18 35.68 46.44 54.48 55.50 62.30 63.02 63.55 62.87 52.94 46.70 39.90 52.05
1990 42.32 39.57 48.37 53.10 54.44 61.08 68.03 67.08 63.48 52.61 46.70 33.89 52.56
1991 38.39 47.96 44.40 48.87 52.52 56.97 66.63 66.87 63.42 53.63 47.10 41.77 52.38
1992 42.97 48.26 50.73 54.47 59.90 65.20 67.08 66.27 60.68 54.97 45.48 39.81 54.65
1993 36.61 40.36 48.32 50.20 58.63 59.83 61.76 64.82 62.17 56.02 39.57 39.66 51.50
1994 42.77 41.41 48.63 52.03 56.81 58.55 66.32 65.02 63.37 52.65 40.85 42.05 52.54
1995 43.45 46.80 47.08 49.40 56.32 60.45 67.16 63.68 64.07 52.42 49.87 43.19 53.66
1996 42.55 42.90 47.84 51.98 53.40 59.72 68.73 66.47 59.28 52.77 46.23 42.66 52.88
1997 41.58 43.18 46.39 50.52 60.48 59.98 65.37 68.00 63.27 51.92 49.77 39.44 53.32
1998 44.98 46.80 47.56 50.22 53.48 59.97 68.76 66.48 63.55 52.77 47.52 39.26 53.45
1999 42.02 a 43.20 44.15 48.83 52.52 58.98 64.10 66.37 61.40 52.87 49.83 41.74 52.17
2000 39.74 43.86 44.53 52.70 55.53 62.25 64.10 64.16 61.15 53.21 42.13 41.63 52.08
2001 41.63 42.05 46.63 48.08 56.95 57.57 64.63 66.52 62.23 52.65 47.67 41.71 52.36
2002 40.92 43.98 43.06 49.62 52.77 60.78 67.16 64.73 61.52 50.77 46.78 44.11 52.18
2003 45.60 43.11 48.39 48.32 54.77 62.98 68.90 67.02 62.97 56.98 43.67 42.56 53.77
2004 41.05 44.28 49.53 52.40 56.48 61.58 68.50 68.74 59.20 53.13 43.57 41.55 53.33
2005 42.19 41.34 49.65 49.88 57.06 57.95 66.76 67.34 59.23 54.31 43.37 39.45 52.38
2006 43.08 41.32 44.02 49.87 55.45 62.07 68.26 64.82 61.13 51.27 44.95 39.52 52.15
2007 36.29 42.38 47.55 48.97 53.79 59.33 67.42 64.92 59.13 50.68 42.35 39.47 51.02
2008 35.65 41.74 42.53 45.37 54.65 57.05 65.81 ----- z 60.32 52.02 47.42 39.15 49.24
2009 38.35 41.12 43.23 48.36 a ----- z 61.73 68.32 65.74 63.20 e 51.13 45.20 35.56 51.09
2010 46.62 e 45.91 45.82 48.88 53.13 58.43 66.35 e 66.16 61.15 54.32 45.55 43.68 53.00
2011 42.06 41.25 46.03 46.34 a 52.18 59.72 63.05 65.89 65.00 54.02 44.22 37.42 51.43
2012 41.31 43.03 42.65 51.08 53.90 58.13 64.58 67.06 62.41 a 53.58 48.42 42.24 52.37
2013 37.23 42.32 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.77
Period of Record Statistics
MEAN 40.70 43.34 46.41 49.77 55.02 60.17 65.67 65.59 61.09 53.12 45.53 40.73 52.33
S.D. 3.02 2.49 2.36 2.30 2.02 2.10 1.97 1.81 2.00 1.63 2.67 2.70 0.88
SKEW -0.57 -0.31 -0.05 0.00 0.68 0.21 0.02 -0.09 -0.19 0.56 -0.75 -0.45 0.24
MAX 46.62 48.26 50.73 54.48 60.48 65.20 68.90 69.02 65.00 56.98 49.87 44.65 54.65
MIN 31.65 35.68 42.53 44.60 51.37 56.17 61.76 61.79 56.83 50.42 37.93 33.89 50.26
NO YRS 44 44 43 43 42 43 43 42 43 43 44 44 41