DALLESPORT FCWOS AP, WASHINGTON

Monthly Average Maximum 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 82.68 80.06 76.17 64.94 50.63 39.71 65.70
1949 32.00 44.75 55.26 68.83 74.68 79.73 83.35 83.97 80.30 62.52 55.73 46.06 63.93
1950 26.87 41.00 51.87 61.33 70.29 76.90 86.10 88.77 81.23 60.58 50.77 43.94 61.64
1951 41.84 48.11 52.35 69.40 72.42 82.80 86.50 a 84.45 82.13 63.13 50.33 40.19 64.47
1952 34.16 48.07 54.97 68.63 73.90 74.27 88.81 86.52 84.83 75.19 44.90 41.42 64.64
1953 50.90 52.18 56.74 61.73 68.26 71.90 86.29 83.45 81.77 69.42 54.33 49.42 65.53
1954 39.81 46.29 55.16 62.83 72.68 72.30 81.10 78.26 77.20 64.06 55.13 42.71 62.29
1955 43.23 a 48.57 50.48 57.63 67.71 77.23 78.97 86.35 77.50 63.58 43.07 40.68 61.25
1956 39.94 39.14 54.00 67.77 76.42 74.20 87.68 83.97 78.97 61.84 48.13 44.23 63.02
1957 28.90 46.71 53.19 65.10 74.23 77.97 82.13 81.42 82.53 60.87 52.53 46.74 62.69
1958 45.61 53.50 55.58 63.27 79.35 81.30 90.90 89.74 77.13 69.06 51.00 45.81 66.86
1959 42.39 47.07 55.84 65.17 68.42 76.33 87.68 82.10 73.07 66.26 50.20 41.77 63.02
1960 29.97 45.55 52.39 61.77 66.16 79.90 90.42 81.13 79.50 65.90 48.33 35.45 61.37
1961 40.03 49.18 53.81 60.00 a 68.26 83.38 a 87.71 89.81 73.40 61.81 45.90 43.03 63.03
1962 41.13 45.54 52.10 66.30 65.23 79.90 86.32 83.06 80.57 64.84 53.00 45.06 63.59
1963 39.77 50.14 58.06 59.77 73.48 77.30 81.06 86.55 84.30 67.10 51.37 37.52 63.87
1964 45.74 53.45 54.65 61.20 71.16 75.90 84.29 82.84 77.00 66.65 46.33 37.10 63.03
1965 41.19 51.21 58.74 66.00 70.74 79.50 89.58 85.94 76.87 70.61 52.03 42.48 65.41
1966 42.71 49.46 58.03 67.43 75.77 77.57 85.19 86.81 82.53 66.35 52.50 45.23 65.80
1967 49.58 55.36 55.23 60.37 74.94 85.30 89.77 96.13 86.20 67.52 52.07 45.48 68.16
1968 44.87 54.14 62.55 66.80 77.06 80.20 88.87 80.97 78.27 61.87 49.50 38.19 65.27
1969 28.74 40.54 58.84 63.33 78.68 83.70 86.52 84.94 78.37 62.77 50.67 41.39 63.21
1970 35.71 48.89 56.16 59.90 74.55 83.57 87.87 88.03 74.13 63.16 49.60 41.52 63.59
1971 47.10 50.75 51.52 62.20 72.81 75.13 90.52 91.77 76.20 65.19 49.73 40.13 64.42
1972 39.84 45.48 57.26 59.00 76.13 80.70 89.13 91.06 74.37 65.03 50.57 34.45 63.58
1973 38.55 48.29 57.65 67.20 75.55 79.27 90.97 84.48 79.17 63.90 44.93 45.26 64.60
1974 36.03 49.36 55.19 62.20 69.71 84.60 87.00 90.42 86.97 69.97 52.47 47.23 65.93
1975 43.55 43.86 52.90 60.00 73.90 78.50 87.90 82.74 85.37 62.97 48.93 45.61 63.85
1976 44.48 46.79 52.32 62.43 75.26 78.13 87.00 84.42 84.37 69.55 52.93 43.71 65.12
1977 34.55 51.57 55.87 72.47 70.10 86.63 88.65 93.52 75.87 66.97 47.40 43.61 65.60
1978 39.26 46.82 58.74 63.20 71.68 85.50 89.55 86.42 76.27 71.32 46.17 41.74 64.72
1979 24.77 43.36 60.23 64.83 77.26 82.83 90.68 85.81 83.63 70.00 45.33 44.77 64.46
1980 34.45 42.62 54.42 66.77 72.48 75.50 88.00 83.77 81.93 68.03 51.17 43.58 63.56
1981 44.58 48.21 59.03 64.17 72.10 76.10 86.13 93.48 80.60 64.13 52.43 44.26 65.44
1982 43.61 47.93 57.61 63.50 75.74 84.17 87.71 88.74 79.83 63.29 46.60 43.29 65.17
1983 47.61 48.50 59.16 66.00 78.94 77.27 81.42 83.94 74.13 64.35 51.87 31.68 63.74
1984 40.32 47.45 58.35 59.80 70.61 78.50 91.84 88.71 77.23 61.87 48.93 39.29 63.58
1985 34.81 44.11 55.81 65.40 74.74 83.87 96.84 83.94 72.23 62.84 38.07 27.26 61.66
1986 40.32 46.71 59.94 63.17 73.61 83.80 79.87 91.45 73.00 69.42 51.20 38.97 64.29
1987 39.06 49.57 56.10 68.93 75.58 85.17 81.87 88.74 83.43 73.00 53.33 41.48 66.36
1988 40.39 54.14 58.26 65.07 71.55 77.83 87.32 87.19 81.47 75.16 52.33 43.87 66.21
1989 47.68 38.86 52.77 69.20 72.77 81.67 82.74 82.68 82.20 66.55 54.30 41.39 64.40
1990 47.29 48.54 60.10 69.57 69.58 78.63 91.42 88.10 85.77 63.45 55.40 36.26 66.17
1991 42.29 54.43 55.23 62.97 67.84 73.87 88.29 88.65 84.50 67.10 50.20 44.87 65.02
1992 45.90 50.90 63.16 64.97 79.19 84.63 89.48 89.23 76.97 67.48 49.97 38.48 66.70
1993 31.35 39.96 51.97 61.60 77.81 77.60 78.35 85.52 84.50 70.48 47.37 41.94 62.37
1994 49.45 44.86 61.39 68.20 75.65 78.70 92.16 88.90 86.80 68.16 49.70 44.26 67.35
1995 41.29 54.07 59.58 65.10 78.00 80.17 88.13 84.23 81.47 64.13 54.70 41.97 66.07
1996 43.35 44.86 57.94 66.77 70.06 81.17 94.10 90.52 79.77 66.23 50.67 42.06 65.62
1997 42.42 50.96 57.48 64.33 78.71 80.00 88.55 92.00 82.97 66.65 53.60 45.52 66.93
1998 44.23 52.96 60.94 68.40 70.52 80.33 91.39 92.10 86.10 65.35 54.17 44.97 a 67.62
1999 50.13 51.43 57.45 66.63 71.77 78.93 88.58 89.32 84.17 66.19 53.10 46.10 66.98
2000 41.29 47.55 55.84 68.47 70.81 81.43 85.10 ----- z ----- z 64.87 45.03 40.03 60.04
2001 41.87 46.93 58.19 63.37 78.35 76.73 85.77 89.23 82.50 64.77 50.40 43.16 65.11
2002 45.00 51.43 53.77 64.20 70.35 80.63 89.03 87.13 80.77 65.87 50.77 43.84 65.23
2003 45.77 51.79 58.00 62.03 71.65 82.93 91.48 88.00 82.93 68.42 48.63 41.19 66.07
2004 36.45 47.79 54.60 z 69.77 71.87 80.53 90.00 88.29 77.10 68.45 55.40 45.10 66.43
2005 41.16 52.25 61.52 63.00 72.00 76.40 88.77 89.65 78.13 65.35 47.70 35.39 64.28
2006 46.61 47.68 54.94 65.37 74.00 80.33 88.81 86.13 80.63 65.77 48.47 39.81 64.88
2007 39.68 47.39 59.42 63.83 74.77 77.57 89.23 85.03 77.67 62.77 49.80 43.19 64.20
2008 40.84 52.83 54.23 59.77 72.52 77.70 87.71 86.10 81.73 65.29 52.63 38.52 64.15
2009 43.74 44.68 52.06 64.00 75.13 81.00 92.58 87.55 81.33 61.74 51.53 36.61 64.33
2010 45.00 52.25 58.87 63.10 69.77 76.20 88.52 87.35 79.43 67.74 48.63 41.00 64.82
2011 46.65 48.93 54.68 58.47 68.35 76.30 83.90 87.90 85.30 65.52 52.37 43.00 64.28
2012 44.00 48.86 55.16 65.63 73.10 76.00 86.90 91.03 84.40 66.16 52.03 44.26 65.63
2013 39.61 52.46 58.52 69.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.20
Period of Record Statistics
MEAN 40.95 48.29 56.40 64.37 73.07 79.44 87.43 86.88 80.27 66.02 50.29 41.82 64.62
S.D. 5.73 3.90 2.97 3.25 3.40 3.41 3.63 3.57 3.84 3.20 3.28 3.86 1.55
SKEW -0.80 -0.43 0.11 0.11 -0.04 0.08 -0.43 0.04 -0.22 0.75 -0.95 -1.18 -0.05
MAX 50.90 55.36 63.16 72.47 79.35 86.63 96.84 96.13 86.97 75.19 55.73 49.42 68.16
MIN 24.77 38.86 50.48 57.63 65.23 71.90 78.35 78.26 72.23 60.58 38.07 27.26 61.25
NO YRS 65 65 64 64 64 64 65 64 64 65 65 65 62