DALLESPORT FCWOS AP, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(451968)

File last updated on Apr 4, 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
1948 ----- z ----- z ----- z ----- z ----- z ----- z 69.32 68.69 62.43 51.73 42.35 32.87 54.57
1949 22.24 36.34 45.85 55.22 62.34 65.68 70.26 70.81 65.67 50.31 46.72 39.05 52.54
1950 19.10 32.38 43.52 50.00 57.60 65.27 72.45 73.84 65.88 51.82 43.35 39.92 51.26
1951 35.26 38.96 42.52 54.47 59.44 67.97 72.15 a 70.08 65.95 52.03 41.50 33.29 52.80
1952 27.79 38.74 44.85 53.64 a 60.27 63.25 73.03 71.79 67.53 58.97 36.20 36.53 52.72
1953 44.05 43.61 46.89 51.22 56.11 61.18 71.60 70.40 a 66.38 55.69 45.05 41.71 54.49
1954 32.35 40.07 43.29 51.38 59.74 61.50 67.95 67.02 63.92 51.42 47.50 35.61 51.81
1955 36.93 a 39.12 40.73 47.38 56.40 65.38 67.42 71.15 63.87 52.85 36.77 34.29 51.02
1956 33.92 31.57 44.92 54.97 63.05 62.57 73.21 70.60 65.33 51.61 40.68 38.08 52.54
1957 21.52 37.77 44.85 54.72 63.27 67.10 69.81 68.77 67.98 51.79 41.98 39.71 52.44
1958 39.24 45.89 44.34 51.80 65.69 70.13 76.79 76.19 65.03 55.05 43.28 39.87 56.11
1959 36.39 40.38 46.13 53.28 56.10 64.93 72.82 69.31 61.97 54.66 39.77 35.63 52.61
1960 24.81 37.53 42.69 50.80 55.11 66.17 75.21 68.40 64.10 53.73 40.28 30.63 50.79
1961 34.48 41.77 44.65 50.09 a 57.03 69.21 a 72.81 75.60 60.53 49.81 38.08 36.47 52.54
1962 32.92 38.27 42.08 53.98 55.87 66.17 71.95 70.47 65.67 54.00 45.57 39.37 53.03
1963 31.18 42.41 46.60 50.08 60.44 66.57 68.89 72.61 70.05 55.58 44.13 33.26 53.48
1964 38.60 41.78 43.97 50.00 57.61 64.32 70.95 69.40 62.83 53.39 40.65 31.19 52.06
1965 36.34 42.96 45.11 54.03 58.39 66.42 74.02 72.48 62.68 56.94 45.40 35.52 54.19
1966 36.65 41.29 46.05 54.22 60.79 64.93 71.94 72.97 68.05 54.23 45.25 39.65 54.67
1967 42.73 44.98 45.00 49.37 62.10 71.80 76.39 80.15 71.65 56.10 44.15 39.53 56.99
1968 38.06 45.33 52.00 55.50 64.95 67.35 74.42 69.45 65.38 50.94 43.03 33.05 54.96
1969 23.06 34.95 46.21 51.48 63.87 71.05 72.56 71.16 65.77 51.06 43.25 37.35 52.65
1970 31.66 41.32 45.65 49.30 60.76 70.35 74.08 73.24 61.37 51.55 42.35 35.29 53.08
1971 40.11 41.61 42.31 50.60 61.08 63.72 75.27 76.77 62.03 53.29 41.63 34.06 53.54
1972 33.40 37.72 46.84 47.47 61.63 67.27 73.37 74.77 60.73 51.35 44.28 27.05 52.16
1973 32.24 39.91 46.69 53.82 61.19 66.45 76.00 70.84 65.28 54.05 39.40 39.61 53.79
1974 30.21 41.41 45.65 52.27 57.95 70.05 72.52 75.16 68.88 55.11 45.73 40.74 54.64
1975 37.34 37.00 43.61 49.15 60.34 66.15 75.21 69.97 67.83 54.37 41.57 39.98 53.54
1976 38.45 38.78 42.39 51.02 60.74 64.63 72.69 71.03 69.12 54.94 44.75 35.82 53.70
1977 29.77 42.64 46.00 57.43 57.90 72.57 74.65 78.74 63.32 54.53 39.83 38.50 54.66
1978 35.21 41.09 48.13 52.40 59.27 70.67 74.98 73.37 64.28 56.69 37.57 34.19 53.99
1979 18.45 36.71 48.76 54.07 63.65 69.18 75.50 73.18 68.75 58.24 40.08 39.56 53.84
1980 27.77 37.38 45.61 54.60 60.92 63.92 74.13 70.42 66.77 54.82 44.53 38.48 53.28
1981 40.84 40.00 47.77 52.03 60.42 64.52 71.74 76.77 c 65.32 51.58 42.98 37.87 54.32
1982 36.68 a 38.95 46.34 50.15 61.56 70.65 74.10 74.82 66.63 53.08 39.52 37.37 54.15
1983 40.98 42.80 50.48 53.65 64.48 65.23 69.60 72.06 61.65 54.11 46.57 27.03 54.06
1984 35.40 40.74 48.95 50.72 57.92 65.85 75.56 74.15 64.18 52.56 43.12 34.05 53.60
1985 32.45 36.48 45.24 53.80 62.21 69.62 81.58 70.82 60.17 52.19 31.47 24.26 51.69
1986 35.08 39.86 50.00 51.38 61.69 70.67 68.66 76.35 61.77 55.90 44.70 35.08 54.26
1987 33.50 42.12 47.00 56.15 63.03 70.33 70.92 73.23 67.88 56.85 44.53 36.37 55.16
1988 34.73 42.84 46.94 54.30 59.39 66.00 73.16 72.05 66.15 61.08 45.50 38.13 55.02
1989 40.48 30.34 44.48 56.65 60.58 68.83 70.85 71.10 65.90 54.65 46.87 36.81 53.96
1990 40.90 39.52 48.00 57.15 58.45 66.63 76.32 74.89 70.38 53.26 46.87 28.95 55.11
1991 34.52 44.64 45.05 52.17 57.89 63.00 73.66 75.16 67.95 54.37 43.98 39.74 54.34
1992 40.13 44.48 50.69 54.52 64.18 71.10 75.58 74.29 64.82 56.16 44.17 32.65 56.06
1993 26.63 32.77 43.26 51.68 64.37 66.22 67.69 71.21 67.23 57.26 36.55 37.47 51.86
1994 41.48 36.77 48.31 56.58 63.06 66.15 77.42 75.08 70.53 55.53 42.25 38.37 55.96
1995 36.24 44.98 47.87 53.15 64.32 67.75 75.21 70.65 67.77 53.11 47.00 37.69 55.48
1996 37.02 35.78 47.66 55.17 58.35 67.53 77.37 74.55 64.77 55.10 42.42 35.79 54.29
1997 36.05 42.50 47.44 53.82 65.08 67.87 74.68 77.11 68.68 55.02 45.85 39.85 56.16
1998 37.66 45.20 49.81 55.55 61.18 68.23 77.73 76.53 70.45 52.45 47.03 37.80 a 56.63
1999 42.68 43.29 46.95 53.57 59.10 67.30 73.65 76.47 66.70 53.13 46.17 40.84 55.82
2000 35.90 40.45 45.85 55.50 59.92 67.90 72.26 ----- z ----- z 53.97 38.23 35.89 50.59
2001 36.94 39.11 47.53 51.55 63.16 65.12 73.13 75.21 68.07 53.69 43.30 38.06 54.57
2002 38.98 41.07 43.81 52.50 58.98 68.42 75.10 72.68 65.68 52.05 41.53 39.58 54.20
2003 41.65 41.96 48.95 51.58 59.65 69.30 76.58 74.16 68.23 56.98 40.18 36.84 55.51
2004 31.66 40.10 46.00 z 55.98 60.92 67.82 76.19 75.48 64.80 56.98 45.80 38.94 55.88
2005 36.13 39.18 48.79 52.47 60.97 64.55 74.44 74.08 64.23 54.69 40.97 30.98 53.46
2006 40.29 37.73 44.98 52.65 60.81 67.95 74.95 71.48 65.35 52.97 41.72 35.00 53.82
2007 33.63 40.43 48.68 52.32 60.84 65.77 76.23 71.58 64.55 51.37 41.03 37.05 53.62
2008 33.63 43.28 43.82 47.85 61.31 64.93 73.56 72.39 65.18 53.10 45.13 31.45 52.97
2009 37.24 37.48 43.06 51.82 61.02 69.03 77.06 74.13 66.57 51.89 42.57 30.44 53.53
2010 39.77 43.88 47.27 52.25 58.34 65.07 73.92 73.35 66.73 55.81 41.90 36.87 54.60
2011 39.53 39.14 44.98 48.93 57.15 64.93 70.58 74.35 69.13 55.90 43.28 35.68 53.63
2012 36.13 40.81 45.11 53.72 60.24 64.73 73.76 75.53 68.17 54.84 46.08 38.65 54.81
2013 34.52 42.64 47.47 59.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.54
Period of Record Statistics
MEAN 34.80 40.05 46.04 52.67 60.50 66.92 73.50 72.98 65.82 54.07 42.71 36.11 53.85
S.D. 5.69 3.37 2.34 2.39 2.52 2.56 2.72 2.69 2.66 2.20 3.15 3.66 1.38
SKEW -1.06 -0.67 0.17 -0.16 -0.01 0.09 -0.12 0.19 -0.12 0.53 -0.91 -1.07 0.00
MAX 44.05 45.89 52.00 57.43 65.69 72.57 81.58 80.15 71.65 61.08 47.50 41.71 56.99
MIN 18.45 30.34 40.73 47.38 55.11 61.18 67.42 67.02 60.17 49.81 31.47 24.26 50.79
NO YRS 65 65 64 64 64 64 65 64 64 65 65 65 62