TROUTDALE SUBSTATION, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(358634)

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 77.65 75.00 a 73.50 62.81 50.33 42.06 63.56
1949 33.03 45.00 53.90 64.03 71.00 74.47 78.77 78.97 76.03 59.10 58.00 46.29 61.55
1950 31.32 44.61 51.61 58.73 67.35 72.67 80.55 83.81 76.50 59.33 a 52.50 49.90 60.74
1951 43.87 49.46 49.87 67.63 69.06 77.23 81.23 80.81 78.23 61.77 50.87 43.03 62.76
1952 40.00 47.93 a 51.45 64.27 69.32 69.83 82.94 81.70 a 80.52 a 73.61 49.33 45.55 63.04
1953 53.17 a 51.68 54.13 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.86 a 49.71 52.71
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 78.24 f 68.67 63.65 51.73 46.32 57.59
1960 38.06 49.22 b 52.65 60.30 62.10 a 73.90 82.81 75.84 72.90 64.58 54.00 45.00 60.95
1961 48.68 52.46 54.52 58.97 65.50 a 79.04 b 82.29 84.93 a 72.17 62.90 50.63 46.13 63.18
1962 45.10 49.25 51.71 63.73 60.68 73.40 80.15 e 78.00 76.53 65.32 56.53 49.00 62.45
1963 40.97 53.79 55.52 56.67 68.13 70.40 71.46 r 78.13 78.00 65.81 54.20 44.52 60.56
1964 48.19 52.45 53.16 58.43 63.71 69.70 77.17 g 77.70 d 72.13 65.74 49.40 45.35 59.63
1965 45.68 50.89 60.48 63.83 65.42 73.45 a 84.21 c 82.13 75.40 67.83 b 56.47 46.29 64.34
1966 47.19 50.29 56.35 63.93 71.29 74.17 78.48 82.39 76.93 64.26 54.57 50.10 64.16
1967 52.29 53.75 53.81 58.60 69.76 b 78.57 84.42 90.26 82.70 65.55 56.00 46.52 66.02
1968 47.23 56.86 59.35 60.53 67.74 74.00 82.16 77.71 74.00 a 63.07 a 53.67 45.52 d 63.49
1969 36.76 b 46.11 59.58 61.93 72.55 77.03 79.52 79.23 75.37 61.57 a 54.47 46.77 62.57
1970 44.71 54.68 56.71 57.90 68.80 a 78.83 82.71 83.45 71.43 62.61 54.00 45.35 63.43
1971 46.45 51.54 51.87 59.80 68.65 68.73 81.06 84.16 72.17 61.52 51.70 45.45 61.92
1972 44.10 49.36 a 57.35 56.63 71.00 73.67 83.35 85.30 a 71.67 c 63.55 53.90 a 42.35 62.69
1973 45.06 51.18 56.23 62.93 70.93 a 74.10 83.16 78.42 75.82 b 62.87 a 48.97 50.39 63.34
1974 42.68 48.93 55.74 59.63 64.57 a 76.53 79.60 a 82.26 81.57 b 68.48 55.41 a 50.77 63.85
1975 48.65 47.71 54.28 b 57.93 70.00 73.07 80.16 76.29 79.37 61.39 53.30 48.45 62.55
1976 49.10 51.43 a 53.58 60.30 69.19 71.13 80.06 75.00 75.70 65.29 57.33 47.61 62.98
1977 42.65 52.61 55.81 66.10 63.90 77.27 79.03 85.84 71.10 64.65 50.50 48.32 63.15
1978 44.03 51.86 59.52 61.67 ----- z 78.10 81.10 79.61 70.77 67.68 48.43 44.10 62.44
1979 33.65 47.61 59.26 61.10 70.84 78.47 83.29 79.16 78.13 66.61 51.43 49.29 63.24
1980 40.53 a 47.34 53.68 64.70 65.73 e 69.68 e 80.74 d 77.04 d 75.50 d 65.46 e 54.79 f 50.19 d 62.78
1981 49.07 d 51.04 d 59.00 d 61.46 d 67.52 f 72.62 d 79.33 d 85.36 f 76.80 e 62.85 e 57.83 f 49.65 e 62.43
1982 44.48 49.64 56.35 60.23 69.65 77.23 78.03 80.00 74.03 63.97 51.97 46.48 62.67
1983 49.33 a 51.64 57.42 63.47 74.94 m 70.83 76.06 79.58 73.07 a 64.35 55.63 39.47 a 61.90
1984 48.03 52.34 59.29 59.10 66.06 70.83 a 81.90 83.39 73.67 60.17 a 52.83 43.06 62.56
1985 41.10 47.71 55.29 62.83 69.55 76.20 88.45 81.39 71.27 63.71 44.03 37.68 61.60
1986 47.81 52.38 l 60.65 k 61.17 64.83 m 80.79 a 76.90 k 90.18 i 72.63 68.23 i 54.00 45.23 60.27
1987 45.45 52.21 56.61 67.37 72.68 80.90 79.26 85.48 80.07 a 72.13 56.00 45.42 66.13
1988 45.16 53.76 58.43 a 63.17 68.61 75.37 84.03 82.52 78.03 68.32 55.00 48.35 65.06
1989 49.16 41.61 53.06 67.70 69.74 79.50 79.00 77.91 i 81.50 65.81 56.83 47.23 62.83
1990 51.00 50.07 60.68 65.61 b 66.77 75.00 85.42 84.74 80.23 63.55 56.70 41.71 65.12
1991 47.94 ----- z 55.45 61.73 63.29 69.70 83.84 83.65 83.33 67.65 53.73 46.52 65.17
1992 49.35 54.55 63.65 64.87 77.23 81.47 83.87 86.36 i 74.80 66.10 52.40 43.16 64.68
1993 40.48 45.36 55.26 60.70 72.77 72.60 73.71 81.13 81.03 68.97 48.30 46.26 62.21
1994 50.06 46.50 61.16 64.03 72.06 73.03 85.58 83.32 80.93 65.61 47.97 47.65 64.83
1995 45.42 56.44 a 58.03 60.97 73.48 74.87 82.97 79.81 ----- z 64.03 56.33 49.47 n 65.24
1996 47.53 l 49.11 j 60.15 k 63.24 i 64.58 l 77.25 j 87.67 p 85.24 j 73.93 p 64.90 k 50.74 k 46.88 n 9999.00
1997 45.74 l 52.07 m 52.33 p 61.55 j 76.19 j 76.41 m 79.86 q 87.06 n 79.67 o 64.10 k 57.76 m 48.29 j 9999.00
1998 48.35 n 52.68 i 58.42 l 63.90 i 65.50 m 73.89 k 88.79 l 86.75 o 83.27 s 68.06 m 56.17 l 47.87 p 9999.00
1999 50.12 n 51.75 p 54.86 q 62.00 p 69.00 v 71.94 m 82.44 m 86.25 s 80.00 z 64.87 55.33 49.26 56.49
2000 44.77 49.34 54.42 64.60 67.58 76.43 79.26 80.61 74.07 63.29 48.47 44.81 62.30
2001 45.42 49.07 56.87 58.87 70.81 71.73 78.06 80.97 76.90 63.10 54.43 47.16 62.78
2002 46.74 52.54 53.39 62.77 66.45 76.72 e 82.81 82.94 78.80 64.03 55.03 48.39 64.22
2003 50.68 52.64 57.13 60.40 68.32 79.57 87.55 84.81 78.28 e 67.52 49.97 46.61 65.29
2004 41.45 50.07 60.94 66.80 69.48 77.40 85.32 78.17 s 71.06 m 65.61 53.90 ----- z 63.44
2005 ----- z 52.11 60.55 61.63 69.13 71.53 82.35 85.35 76.63 64.10 51.93 43.39 65.34
2006 50.84 49.29 54.26 64.23 ----- z 77.30 85.19 81.84 77.57 64.35 52.77 43.81 63.77
2007 44.65 49.50 57.94 61.10 69.55 74.03 83.06 79.03 73.07 59.94 51.50 44.35 62.31
2008 41.94 51.00 52.61 56.40 66.10 70.37 80.45 80.84 75.40 62.10 53.93 42.52 61.14
2009 43.55 47.29 50.84 60.30 70.55 74.00 84.94 79.74 76.70 60.52 52.40 39.74 61.71
2010 47.32 51.39 56.13 58.40 62.77 68.13 77.61 79.19 71.10 63.13 51.00 g 43.94 61.74
2011 46.97 46.46 51.87 53.79 k 61.81 69.23 75.23 79.87 76.77 60.77 50.30 44.39 60.33
2012 45.42 47.24 51.13 a 61.72 a 66.10 69.10 76.61 82.13 76.83 63.23 51.86 a 46.23 61.47
2013 40.52 48.86 56.73 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.70
Period of Record Statistics
MEAN 44.95 50.14 55.86 61.77 68.29 74.41 81.36 81.13 75.97 64.38 52.89 45.87 63.08
S.D. 4.67 3.02 3.14 2.90 3.38 3.55 3.10 3.14 3.44 2.86 2.86 2.88 1.36
SKEW -0.90 -0.24 0.23 0.20 -0.15 0.10 -0.11 0.24 0.14 0.78 -0.58 -0.49 0.44
MAX 53.17 56.86 63.65 67.70 77.23 81.47 88.45 90.26 83.33 73.61 58.00 50.77 66.13
MIN 31.32 41.61 49.87 56.40 60.68 68.13 73.71 75.00 68.67 59.10 44.03 37.68 60.74
NO YRS 54 53 54 52 48 53 51 49 53 55 54 55 37