KENT, WASHINGTON

Monthly Total Cooling Degree Days

(454169)

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
1912 0.00 z 0.00 z 0.00 z 0.00 4.50 15.00 27.50 12.00 9.00 0.00 0.00 0.00 68.00
1913 0.00 0.00 0.00 0.00 0.00 13.50 42.00 54.50 1.00 0.00 0.00 0.00 111.00
1914 0.00 0.00 0.00 0.00 2.00 16.50 16.50 16.50 1.50 0.00 0.00 0.00 53.00
1915 0.00 0.00 0.00 a 0.00 0.00 4.50 42.50 31.50 1.00 0.00 0.00 0.00 79.50
1916 0.00 0.00 0.00 0.00 0.00 2.50 4.65 a 27.50 0.00 0.00 0.00 0.00 34.65
1917 0.00 d 0.00 0.00 a 0.00 z 0.00 z 0.00 o 3.50 5.00 0.50 4.50 0.00 0.00 c 13.50
1918 0.00 0.00 0.00 0.00 0.00 11.00 4.00 q 0.00 z 5.19 d 0.00 0.00 0.00 16.19
1919 0.00 0.00 0.00 a 0.00 0.00 0.00 g 12.50 7.50 3.50 0.00 0.00 0.00 23.50
1920 0.00 0.00 g 0.00 0.00 0.00 5.00 36.00 44.50 3.00 0.00 0.00 0.00 88.50
1921 0.00 0.00 0.00 0.00 0.00 2.00 2.00 14.00 0.00 a 0.00 a 0.00 0.00 18.00
1922 0.00 0.00 0.00 0.00 7.00 3.50 0.50 16.50 0.00 0.00 0.00 0.00 27.50
1923 0.00 z 0.00 z 0.00 b 0.00 z 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
1924 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.50 g 23.50 13.50 12.00 0.00 0.00 0.00 49.00
1925 0.00 0.00 0.00 0.00 13.00 16.00 39.00 11.50 2.50 0.00 0.00 0.00 82.00
1926 0.00 0.00 0.00 1.00 9.00 31.00 68.00 42.00 1.50 0.00 0.00 0.00 152.50
1927 0.00 0.00 0.00 0.00 0.00 15.00 63.50 84.50 1.00 0.00 0.00 0.00 164.00
1928 0.00 0.00 0.00 0.00 6.50 6.50 75.00 15.50 0.00 0.00 0.00 0.00 103.50
1929 0.00 0.00 0.00 0.00 0.00 2.00 16.50 28.50 0.50 1.00 0.00 0.00 48.50
1930 0.00 0.00 0.00 0.00 0.00 1.50 22.50 38.50 3.00 0.00 0.00 0.00 65.50
1931 0.00 0.00 0.00 0.00 b 1.50 10.50 31.50 15.50 8.79 a 0.00 0.00 0.00 67.79
1932 0.00 0.00 0.00 0.00 0.00 30.50 16.00 29.00 8.79 a 0.00 0.00 0.00 84.29
1933 0.00 0.00 0.00 0.00 0.00 5.50 15.50 60.50 0.00 0.00 0.00 0.00 81.50
1934 0.00 0.00 0.00 0.00 0.50 2.00 9.00 29.00 5.00 3.00 0.00 0.00 48.50
1935 0.00 0.00 0.00 0.00 0.00 17.00 62.50 41.00 22.50 0.00 0.00 0.00 143.00
1936 0.00 0.00 0.00 0.00 8.50 1.50 9.50 37.72 a 1.50 0.00 0.00 0.00 58.72
1937 0.00 0.00 0.00 0.00 0.00 14.50 27.00 24.00 3.00 0.00 0.00 0.00 68.50
1938 0.00 0.00 0.00 0.00 0.00 14.50 51.50 5.17 d 10.50 0.00 0.00 0.00 81.67
1939 0.00 0.00 0.00 0.00 0.00 39.11 b 63.50 53.50 3.00 0.00 d 0.00 0.00 d 159.11
1940 0.00 0.00 0.00 0.00 0.00 9.00 24.50 25.83 a 12.00 1.50 0.00 0.00 72.83
1941 0.00 0.00 0.00 0.00 0.00 11.50 110.50 71.00 0.50 2.21 c 0.00 0.00 195.71
1942 0.00 0.00 0.00 0.00 0.00 16.00 69.00 82.00 f 0.50 2.00 0.00 z 0.00 z 87.50
1943 0.00 0.00 0.00 0.00 0.00 6.00 42.50 0.00 z 1.50 0.00 a 0.00 0.00 a 50.00
1944 0.00 0.00 0.00 0.00 0.00 8.28 a 49.50 25.66 b 15.50 0.00 0.00 0.00 98.93
1945 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 k 0.00 z 0.00 0.00
1946 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
1947 0.00 z 0.00 a 0.00 z 0.00 b 8.27 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 8.27
1948 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 0.00 0.00
1949 0.00 a 0.00 i 0.00 0.00 1.00 0.00 0.00 z 22.50 0.00 z 0.00 z 0.00 z 0.00 n 23.50
1950 0.00 i 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 z 0.00 z 0.00 g 0.00
1951 0.00 0.00 0.00 0.00 c 4.50 38.00 89.50 40.00 15.00 c 0.00 0.00 a 0.00 187.00
1952 0.00 0.00 0.00 0.00 4.00 1.00 79.00 89.50 9.31 a 0.00 b 0.00 0.00 182.81
1953 0.00 b 0.00 0.00 0.00 6.72 a 0.00 45.00 39.50 11.79 b 0.00 0.00 0.00 103.00
1954 0.00 0.00 0.00 0.00 0.00 1.50 12.00 8.50 0.00 0.00 0.00 0.00 22.00
1955 0.00 0.00 0.00 0.00 0.00 31.50 13.00 17.50 9.00 0.00 0.00 a 0.00 71.00
1956 0.00 0.00 0.00 0.00 20.15 a 9.00 91.50 46.50 1.50 0.00 0.00 a 0.00 168.65
1957 0.00 a 0.00 0.00 a 0.50 8.00 8.00 18.08 a 7.00 13.00 0.00 0.00 0.00 c 54.58
1958 0.00 0.00 0.00 d 0.00 25.83 a 72.50 148.50 51.50 5.50 0.00 0.00 0.00 d 303.83
1959 0.00 b 0.00 a 0.00 0.00 a 3.50 13.50 64.50 9.00 0.00 0.00 0.00 a 0.00 90.50
1960 0.00 0.00 a 0.00 b 0.00 0.00 1.00 69.50 37.00 1.03 a 0.00 0.00 0.00 108.53
1961 0.00 0.00 0.00 b 0.00 3.10 a 48.10 a 77.50 83.50 13.97 a 0.00 0.00 a 0.00 226.17
1962 0.00 a 0.00 a 0.00 a 0.00 a 0.00 4.50 51.00 17.22 d 0.54 b 0.00 0.00 a 0.00 a 73.26
1963 0.00 a 0.00 0.00 a 0.00 13.50 f 11.50 3.50 20.15 a 25.00 0.00 f 0.00 0.00 60.15
1964 0.00 0.00 0.00 0.00 a 4.50 3.50 28.50 28.00 0.00 0.00 0.00 0.00 64.50
1965 0.00 0.00 0.00 0.00 0.00 b 4.50 89.00 67.50 0.00 0.00 0.00 0.00 161.00
1966 0.00 0.00 0.00 0.00 0.00 12.00 13.50 34.50 0.00 0.00 0.00 a 0.00 60.00
1967 0.00 0.00 0.00 0.00 2.50 37.50 41.50 133.50 27.00 0.00 0.00 0.00 242.00
1968 0.00 0.00 0.00 0.00 1.50 14.50 93.00 a 33.00 7.00 0.00 0.00 0.00 149.00
1969 0.00 0.00 0.00 0.00 9.82 a 72.00 30.50 7.75 a 4.66 a 0.00 0.00 0.00 124.72
1970 0.00 0.00 0.00 a 0.00 0.00 a 53.50 56.50 17.50 0.00 a 0.00 0.00 0.00 127.50
1971 0.00 0.00 0.00 a 0.00 4.43 c 5.50 101.00 78.05 c 2.00 1.00 0.00 0.00 191.98
1972 0.00 0.00 0.00 0.00 15.50 1.00 45.50 39.00 6.00 0.00 0.00 0.00 107.00
1973 0.00 0.00 0.00 0.00 6.50 22.76 a 40.50 12.00 2.50 0.00 0.00 0.00 84.26
1974 0.00 0.00 0.00 a 0.00 0.00 9.00 21.50 43.00 24.00 0.00 z 0.00 z 0.00 97.50
1975 0.00 0.00 0.00 0.00 0.00 a 7.00 60.85 d 13.50 4.50 1.00 0.00 0.00 86.85
1976 0.00 0.00 0.00 a 3.00 1.07 b 0.00 v 31.00 a 12.40 a 7.76 a 0.00 a 0.00 b 0.00 55.23
1977 0.00 0.00 0.00 0.00 0.00 10.50 20.50 138.39 c 2.00 0.00 z 0.00 0.00 z 171.39
1978 0.00 0.00 0.00 0.00 z 0.00 a 48.21 b 70.00 45.50 0.00 0.00 0.00 z 0.00 163.71
1979 0.00 b 0.00 0.00 z 0.00 c 0.00 h 10.50 84.00 28.93 a 0.00 z 0.00 z 0.00 0.00 123.43
1980 0.00 f 0.00 0.00 z 0.00 a 0.00 k 0.00 a 26.50 22.45 b 2.00 k 0.53 b 0.00 0.00 49.48
1981 0.00 0.00 0.00 0.00 c 0.00 a 0.00 c 28.79 c 98.17 a 26.50 0.00 z 0.00 0.00 z 153.45
1982 0.00 0.00 0.00 0.00 0.00 47.50 15.00 40.50 20.17 a 0.00 0.00 0.00 123.17
1983 0.00 0.00 0.00 0.00 20.00 1.00 25.50 38.00 2.00 0.00 0.00 0.00 86.50
1984 0.00 0.00 0.00 0.00 1.50 12.50 59.50 36.00 11.38 a 0.00 0.00 0.00 120.88
1985 0.00 0.00 0.00 0.00 1.50 15.00 90.00 31.00 0.00 0.00 0.00 0.00 137.50
1986 0.00 0.00 0.00 0.00 13.00 22.00 2.00 58.50 j 17.00 0.00 0.00 0.00 54.00
1987 0.00 0.00 0.00 3.50 4.00 30.00 21.18 a 46.50 20.00 1.00 0.00 0.00 126.18
1988 0.00 0.00 0.00 0.00 3.50 15.00 58.50 33.50 23.50 0.00 0.00 0.00 134.00
1989 0.00 0.00 0.00 0.00 1.00 31.00 16.03 b 7.50 f 5.56 c 0.00 c 0.00 0.00 k 53.59
1990 0.00 0.00 0.00 0.50 0.00 a 29.50 147.00 114.50 29.50 0.00 0.00 z 0.00 321.00
1991 0.00 0.00 0.00 0.00 0.00 2.00 93.00 111.50 20.00 0.00 0.00 0.00 226.50
1992 0.00 0.00 0.00 0.00 18.00 0.00 z 0.00 z 86.50 8.00 0.50 0.00 0.00 a 113.00
1993 0.00 0.00 0.00 0.00 21.04 c 12.50 1.00 78.50 35.50 0.00 0.00 0.00 a 148.54
1994 0.00 0.00 0.00 0.00 1.00 2.50 128.50 72.50 25.00 0.00 0.00 0.00 229.50
1995 0.00 a 0.00 0.00 0.00 8.50 46.50 112.00 34.00 32.00 0.00 0.00 0.00 233.00
1996 0.00 0.00 0.00 0.00 0.00 4.66 a 153.50 98.50 0.50 0.00 0.00 0.00 257.16
1997 0.00 0.00 0.00 0.00 12.00 3.00 67.50 144.00 29.50 0.00 0.00 0.00 256.00
1998 0.00 0.00 0.00 2.50 6.50 19.50 150.50 105.50 30.50 0.00 0.00 0.00 315.00
1999 0.00 b 0.00 a 0.00 b 0.00 d 1.66 c 25.18 b 50.63 a 66.59 d 22.50 d 0.00 d 0.00 a 0.00 b 166.57
2000 0.00 a 0.00 0.00 a 0.00 0.00 39.50 63.50 39.27 a 21.50 0.00 d 0.00 0.00 c 163.77
2001 0.00 a 0.00 b 0.00 a 0.00 c 12.00 11.00 31.50 62.00 e 3.21 b 0.00 c 0.00 a 0.00 a 119.71
2002 0.00 0.00 0.00 0.00 0.00 58.97 a 88.50 74.29 b 3.00 0.00 0.00 0.00 224.76
2003 0.00 0.00 0.00 0.00 10.13 e 72.50 139.00 78.00 39.00 1.00 0.00 0.00 339.63
2004 0.00 0.00 0.00 0.00 3.00 64.00 168.00 118.50 3.50 0.00 0.00 0.00 357.00
2005 0.00 0.00 0.00 0.50 25.00 14.00 78.50 99.50 0.54 b 0.00 0.00 0.00 218.04
2006 0.00 0.00 0.00 0.00 11.00 42.50 132.00 62.50 32.00 0.00 0.00 0.00 280.00
2007 0.00 0.00 0.00 a 1.00 10.00 29.00 110.00 52.50 24.00 0.00 0.00 0.00 226.50
2008 0.00 0.00 0.00 0.00 18.00 42.00 54.00 99.50 2.50 0.00 0.00 0.00 216.00
2009 0.00 0.00 0.00 0.00 0.00 z 41.50 192.20 a 75.00 37.00 0.00 0.00 0.00 345.70
2010 0.00 0.00 0.00 0.00 0.00 4.00 87.50 95.00 20.50 0.00 0.00 0.00 207.00
2011 0.00 0.00 0.00 a 0.00 0.00 0.58 d 33.07 a 66.43 c 43.50 0.00 a 0.00 0.00 143.57
2012 0.00 0.00 a 0.00 a 0.00 c 0.50 2.50 44.90 b 118.83 d 30.54 b 0.00 0.00 0.00 197.27
2013 0.00 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 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.13 4.20 18.05 55.84 48.92 10.34 0.22 0.00 0.00 141.70
S.D. 0.00 0.00 0.00 0.55 6.30 18.60 43.03 34.75 11.50 0.69 0.00 0.00 79.11
SKEW 0.00 0.00 0.00 4.84 1.71 1.32 1.00 0.88 1.04 4.11 0.00 0.00 0.69
MAX 0.00 0.00 0.00 3.50 25.83 72.50 192.20 144.00 43.50 4.50 0.00 0.00 357.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.50 5.00 0.00 0.00 0.00 0.00 18.00
NO YRS 94 95 94 94 92 90 92 90 92 89 92 92 73