TROUTDALE, OREGON

Monthly Total Cooling Degree Days

(358634)

Base Temperature = 65 F

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.
Months with 5 missing days or less use mean for missing day(s)
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 60.50 27.38 a 30.00 0.00 0.00 0.00 117.88
1949 0.00 0.00 0.00 a 0.00 15.50 10.50 62.00 67.00 42.50 0.00 0.00 0.00 a 197.50
1950 0.00 0.00 0.00 0.00 a 0.00 32.00 65.50 128.50 26.00 0.00 a 0.00 0.00 252.00
1951 0.00 0.00 0.00 4.00 1.50 34.00 107.00 65.00 69.00 3.00 0.00 0.00 283.50
1952 0.00 0.00 a 0.00 0.00 9.00 8.00 121.00 122.45 a 71.38 a 26.00 0.00 0.00 357.83
1953 0.00 a 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 a 0.00 0.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 37.00 f 7.00 0.50 0.00 a 0.00 7.50
1960 0.00 0.00 b 0.00 0.00 0.00 a 20.00 115.00 55.50 33.50 2.50 0.00 0.00 f 226.50
1961 0.00 a 0.00 0.00 0.00 14.98 a 87.78 c 127.00 177.73 a 14.50 4.00 0.00 0.00 a 425.99
1962 0.00 0.00 0.00 0.00 0.00 19.50 100.15 e 57.00 33.50 0.00 0.00 0.00 210.15
1963 0.00 0.00 0.00 0.00 33.50 26.00 3.50 r 62.50 57.50 0.00 0.00 0.00 179.50
1964 0.00 0.00 0.00 0.00 0.00 3.50 47.50 g 52.81 d 0.50 3.00 0.00 0.00 59.81
1965 0.00 0.00 0.00 4.00 0.00 21.21 a 165.52 c 154.50 10.50 0.00 b 0.00 0.00 355.72
1966 0.00 0.00 0.00 0.00 12.00 39.50 63.00 98.00 32.00 0.00 0.00 0.00 244.50
1967 0.00 0.00 0.00 0.00 9.62 b 83.50 137.50 247.50 89.50 0.00 0.00 0.00 567.62
1968 0.00 0.00 0.00 0.00 1.50 37.50 135.50 86.00 34.14 a 0.00 b 0.00 0.00 f 294.64
1969 0.00 b 0.00 0.00 0.00 24.00 101.00 79.00 61.00 48.50 0.00 a 0.00 0.00 313.50
1970 0.00 0.00 0.00 0.00 7.23 a 102.50 124.50 126.00 8.00 10.00 0.00 0.00 378.23
1971 0.00 0.00 0.00 0.00 7.00 10.00 142.50 179.00 7.00 7.50 0.00 0.00 353.00
1972 0.00 0.00 a 0.00 0.00 27.00 25.00 163.50 173.08 a 45.00 d 0.00 0.00 a 0.00 433.58
1973 0.00 0.00 0.00 0.00 43.83 b 60.00 149.00 69.50 43.39 b 0.00 a 0.00 0.00 365.72
1974 0.00 0.00 0.00 0.00 0.00 a 57.50 110.05 a 141.50 107.68 b 0.00 0.00 a 0.00 416.73
1975 0.00 0.00 0.00 c 0.00 7.50 44.00 132.50 60.50 90.00 6.00 0.00 0.00 340.50
1976 0.00 0.00 a 0.00 1.00 9.00 31.00 94.00 57.00 42.00 0.00 0.00 0.00 234.00
1977 0.00 0.00 0.00 2.00 0.00 47.50 91.00 231.50 8.00 0.00 0.00 0.00 380.00
1978 0.00 0.00 0.00 0.00 0.00 z 88.00 141.50 106.50 22.00 2.50 0.00 0.00 360.50
1979 0.00 0.00 0.00 0.00 10.00 64.00 159.00 84.50 63.00 4.50 0.00 0.00 385.00
1980 0.00 a 0.00 0.00 3.50 2.00 g 4.00 f 124.57 d 45.31 e 19.80 e 0.00 f 0.00 f 0.00 g 193.18
1981 0.00 e 0.00 e 0.00 d 2.50 f 0.00 h 21.92 d 88.83 e 141.00 g 45.00 f 0.00 e 0.00 f 0.00 f 110.75
1982 0.00 0.00 0.00 0.00 6.50 84.50 73.00 105.50 42.50 0.00 0.00 0.00 312.00
1983 0.00 a 0.00 0.00 0.00 a 36.00 m 16.50 60.50 100.50 9.83 a 0.00 b 0.00 0.00 a 187.33
1984 0.00 0.00 0.00 0.00 7.50 24.31 a 109.50 113.50 32.00 0.52 a 0.00 0.00 287.33
1985 0.00 a 0.00 0.00 0.50 10.50 54.00 230.00 94.50 0.00 0.00 0.00 a 0.00 b 389.50
1986 0.00 0.00 o 0.00 k 0.00 10.00 m 103.45 a 27.00 m 162.00 j 37.50 0.00 i 0.00 0.00 140.95
1987 0.00 0.00 0.00 a 11.50 43.50 100.00 93.00 138.00 70.86 a 15.00 0.00 0.00 471.86
1988 0.00 0.00 0.00 a 0.00 14.00 51.00 117.00 85.50 44.00 5.50 0.00 0.00 317.00
1989 0.00 0.00 0.00 0.50 13.00 75.00 26.00 0.00 z 37.50 0.00 0.00 d 0.00 152.00
1990 0.00 0.00 0.00 1.61 b 7.00 61.50 200.50 197.50 77.00 0.00 0.00 0.00 545.11
1991 0.00 a 0.00 z 0.00 0.00 0.00 16.00 149.00 175.00 90.50 9.50 0.00 0.00 440.00
1992 0.00 0.00 0.00 3.00 58.00 114.50 168.50 131.00 j 30.00 1.50 0.00 0.00 375.50
1993 0.00 0.00 0.00 0.00 37.00 30.00 27.50 140.50 82.50 3.00 0.00 0.00 320.50
1994 0.00 0.00 0.00 0.00 32.00 27.50 212.50 144.00 106.50 0.00 0.00 0.00 522.50
1995 0.00 0.00 a 0.00 0.00 38.50 65.50 182.00 99.00 0.00 z 1.50 0.00 0.00 n 386.50
1996 0.00 l 0.00 j 0.00 k 0.00 i 0.00 o 12.50 k 97.00 p 80.00 l 3.50 q 8.50 k 0.00 k 0.00 n 0.00
1997 0.00 l 0.00 m 0.00 q 0.00 k 30.00 j 17.00 m 43.50 q 116.00 n 31.00 o 0.00 k 0.00 m 0.00 k 0.00
1998 0.00 o 0.00 i 0.00 l 1.00 i 2.00 m 14.00 k 136.00 l 98.50 q 23.00 s 2.50 m 0.00 m 0.00 q 0.00
1999 0.00 n 0.00 p 0.00 q 0.00 p 3.00 v 23.50 m 69.50 m 76.50 s 0.00 z 0.00 0.00 0.00 0.00
2000 0.00 0.00 0.00 0.00 3.00 68.00 100.00 98.00 33.00 0.00 0.00 0.00 a 302.00
2001 0.00 0.00 0.00 4.00 25.00 35.00 71.50 115.50 44.50 4.00 0.00 0.00 299.50
2002 0.00 0.00 0.00 0.00 3.00 63.00 e 124.50 120.00 41.50 0.00 0.00 0.00 352.00
2003 0.00 0.00 0.00 0.00 17.50 95.00 184.50 142.00 64.20 e 9.00 0.00 0.00 512.20
2004 0.00 0.00 0.00 2.50 3.50 61.50 181.00 37.00 s 1.00 m 1.50 0.00 0.00 z 250.00
2005 0.00 z 0.00 0.00 0.00 19.50 12.00 97.50 107.50 8.50 0.00 0.00 0.00 245.00
2006 0.00 0.00 0.00 1.00 0.00 z 39.00 120.50 57.50 22.50 0.00 0.00 0.00 z 240.50
2007 0.00 z 0.00 0.00 c 0.00 5.00 6.00 68.00 81.50 21.00 0.00 0.00 0.00 181.50
2008 0.00 0.00 0.00 0.00 31.00 31.50 77.50 122.50 28.50 0.00 0.00 0.00 291.00
2009 0.00 0.00 0.00 0.00 13.50 27.00 182.50 113.50 66.00 0.00 0.00 0.00 402.50
2010 0.00 0.00 0.00 0.00 0.00 8.50 81.00 91.50 22.50 6.50 0.00 g 0.00 210.00
2011 0.00 0.00 0.00 0.00 k 0.00 6.00 31.50 91.50 69.50 0.00 0.00 0.00 198.50
2012 0.00 0.00 0.00 a 2.59 a 5.50 15.00 56.50 133.00 43.00 0.00 0.00 a 0.00 255.59
2013 0.00 0.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.82 13.34 45.51 115.39 110.30 41.95 2.35 0.00 0.00 355.17
S.D. 0.00 0.00 0.00 1.95 14.29 31.10 48.19 47.80 27.56 4.63 0.00 0.00 93.37
SKEW 0.00 0.00 0.00 3.66 1.25 0.58 0.26 0.79 0.60 3.11 0.00 0.00 0.53
MAX 0.00 0.00 0.00 11.50 58.00 114.50 230.00 247.50 107.68 26.00 0.00 0.00 567.62
MIN 0.00 0.00 0.00 0.00 0.00 3.50 26.00 27.38 0.00 0.00 0.00 0.00 197.50
NO YRS 53 53 54 51 47 52 51 49 52 54 54 50 34