MONROE, WASHINGTON

Monthly Total Cooling Degree Days

(455525)

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
1929 0.00 z 0.00 o 0.00 0.00 0.00 0.50 21.00 32.00 4.00 3.00 0.00 0.00 b 60.50
1930 0.00 0.00 0.00 0.00 0.00 13.00 20.50 40.00 0.50 0.00 0.00 0.00 74.00
1931 0.00 0.00 0.00 0.00 0.00 8.50 32.55 a 20.15 a 12.00 0.00 0.00 0.00 d 73.20
1932 0.00 0.00 0.00 a 0.00 0.00 21.00 13.00 16.50 4.50 0.00 0.00 0.00 55.00
1933 0.00 0.00 0.00 0.00 0.00 15.50 5.50 32.00 0.50 0.00 0.00 0.00 53.50
1934 0.00 0.00 0.00 0.00 3.50 0.50 18.00 25.50 5.00 4.50 0.00 0.00 57.00
1935 0.00 0.00 0.00 a 0.00 0.00 10.00 39.50 12.00 7.00 0.00 0.00 0.00 68.50
1936 0.00 0.00 0.00 0.00 1.55 a 12.50 2.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 14.05
1937 0.00 d 0.00 0.00 0.00 0.00 0.50 8.50 12.50 2.00 0.00 e 0.00 0.00 x 23.50
1938 0.00 0.00 0.00 0.00 0.00 9.50 44.50 0.00 5.00 0.00 a 0.00 0.00 59.00
1939 0.00 0.00 0.00 0.00 0.00 0.00 29.93 b 39.50 1.00 0.00 0.00 0.00 70.43
1940 0.00 0.00 0.00 1.00 0.50 6.50 27.68 c 19.50 11.00 3.00 0.00 0.00 69.18
1941 0.00 0.00 0.00 0.00 0.00 4.00 114.50 46.50 c 0.00 0.00 0.00 0.00 165.00
1942 0.00 0.00 0.00 0.00 0.00 11.38 a 128.00 104.50 0.00 c 0.00 0.00 z 0.00 c 243.88
1943 0.00 0.00 a 0.00 0.00 b 0.00 b 3.75 b 18.08 a 16.50 5.50 0.00 0.00 0.00 43.83
1944 0.00 0.00 0.00 0.00 0.00 12.00 40.50 20.50 28.50 0.00 0.00 0.00 101.50
1945 0.00 0.00 0.00 0.00 5.50 5.00 26.00 32.00 0.50 0.00 d 0.00 0.00 a 69.00
1946 0.00 j 0.00 0.00 0.00 0.00 6.00 35.00 25.50 14.50 0.00 0.00 0.00 e 81.00
1947 0.00 a 0.00 0.00 j 0.00 z 9.00 2.50 0.00 z 25.50 2.50 0.00 a 0.00 0.00 c 39.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 28.97 a 23.50 26.00 3.62 a 0.00 0.00 0.00 82.09
1949 0.00 0.00 0.00 0.00 a 0.00 0.00 8.00 28.93 a 16.50 0.00 0.00 0.00 53.43
1950 0.00 0.00 0.00 0.00 0.00 27.50 10.85 a 48.10 b 11.00 0.00 0.00 0.00 97.45
1951 0.00 0.00 0.00 0.00 0.00 27.00 57.00 13.50 5.69 a 0.00 0.00 0.00 103.19
1952 0.00 0.00 0.00 0.00 2.00 0.00 a 42.00 72.85 a 7.50 0.00 a 0.00 0.00 a 124.35
1953 0.00 a 0.00 0.00 0.00 b 11.50 0.00 b 38.00 40.50 23.00 1.50 0.00 0.00 114.50
1954 0.00 0.00 0.00 d 0.00 0.00 0.50 10.50 5.50 0.00 0.00 0.00 0.00 16.50
1955 0.00 0.00 0.00 0.00 0.00 20.17 a 6.50 13.50 8.00 0.00 0.00 0.00 a 48.17
1956 0.00 0.00 0.00 0.00 18.50 8.00 72.85 a 33.50 7.00 0.00 a 0.00 0.00 139.85
1957 0.00 0.00 0.00 a 1.03 a 8.27 a 6.72 a 9.82 a 6.00 16.55 a 0.00 e 0.00 0.00 48.39
1958 0.00 0.00 0.00 0.00 35.50 h 92.50 219.00 100.00 23.00 0.00 0.00 0.00 434.50
1959 0.00 0.00 b 0.00 0.00 5.00 f 20.00 81.00 25.50 2.00 0.00 0.00 0.00 128.50
1960 0.00 0.00 0.00 0.00 3.00 4.50 98.00 64.07 a 5.00 0.00 0.00 0.00 174.57
1961 0.00 0.00 0.00 0.00 1.00 34.00 93.00 98.50 6.50 5.50 0.00 0.00 238.50
1962 0.00 0.00 0.00 a 0.00 0.00 4.50 50.50 34.00 6.00 0.00 b 0.00 0.00 95.00
1963 0.00 0.00 0.00 0.00 23.00 9.00 3.50 45.50 49.66 a 0.00 0.00 0.00 a 130.66
1964 0.00 0.00 0.00 0.00 2.50 5.50 13.50 15.50 0.00 0.00 0.00 0.00 37.00
1965 0.00 0.00 0.00 0.00 0.00 z 3.00 55.00 55.50 0.00 0.00 0.00 0.00 113.50
1966 0.00 0.00 0.00 0.00 0.00 4.50 6.50 9.50 4.00 0.00 0.00 0.00 24.50
1967 0.00 0.00 0.00 0.00 0.50 20.50 17.00 96.50 20.00 0.00 0.00 0.00 154.50
1968 0.00 0.00 0.00 z 0.00 0.00 2.50 47.00 23.00 3.50 0.00 0.00 0.00 76.00
1969 0.00 0.00 0.00 0.00 13.50 60.50 16.50 8.00 2.50 0.00 0.00 0.00 101.00
1970 0.00 0.00 0.00 0.00 0.00 24.50 29.50 9.00 0.00 0.00 0.00 0.00 c 63.00
1971 0.00 0.00 c 0.00 0.00 5.00 4.50 77.50 64.50 0.00 2.00 0.00 0.00 153.50
1972 0.00 0.00 0.00 0.00 11.50 0.00 26.00 46.00 4.50 0.00 0.00 0.00 88.00
1973 0.00 0.00 0.00 0.00 5.50 10.00 32.50 11.50 10.00 0.00 0.00 z 0.00 69.50
1974 0.00 0.00 0.00 0.00 0.00 2.50 19.00 43.00 14.00 0.00 0.00 0.00 78.50
1975 0.00 0.00 0.00 0.00 0.00 4.66 a 52.00 11.00 3.62 a 0.00 0.00 0.00 71.28
1976 0.00 0.00 0.00 0.00 0.50 1.00 21.00 1.50 5.00 0.00 0.00 0.00 29.00
1977 0.00 0.00 0.00 0.00 0.00 11.50 12.00 112.50 4.50 0.00 0.00 0.00 140.50
1978 0.00 0.00 0.00 0.00 0.00 43.00 65.00 33.00 2.50 0.00 0.00 0.00 143.50
1979 0.00 0.00 0.00 0.00 1.50 4.50 65.50 29.50 13.97 a 0.00 0.00 0.00 114.97
1980 0.00 z 0.00 0.00 0.00 0.00 0.00 22.50 13.00 1.50 3.50 0.00 0.00 a 40.50
1981 0.00 0.00 0.00 0.00 2.00 4.00 51.50 135.50 25.50 0.00 0.00 0.00 b 218.50
1982 0.00 0.00 0.00 0.00 0.00 46.00 23.50 46.00 13.50 0.00 0.00 0.00 129.00
1983 0.00 0.00 0.00 0.00 18.00 0.00 9.00 41.50 0.00 0.00 0.00 0.00 68.50
1984 0.00 0.00 0.00 0.00 1.00 13.50 39.00 35.50 1.50 0.00 0.00 0.00 90.50
1985 0.00 0.00 0.00 0.00 1.00 5.00 94.50 27.50 0.00 0.00 0.00 0.00 128.00
1986 0.00 0.00 0.00 0.00 13.00 17.50 9.00 84.50 16.00 0.00 0.00 0.00 140.00
1987 0.00 0.00 0.00 0.00 3.00 31.50 47.00 46.50 18.50 0.50 0.00 0.00 147.00
1988 0.00 z 0.00 z 0.00 0.00 7.00 12.00 37.50 39.00 22.00 0.00 0.00 0.00 117.50
1989 0.00 0.00 0.00 0.00 0.00 21.50 14.50 14.50 3.00 0.00 0.00 0.00 53.50
1990 0.00 0.00 0.00 0.00 0.00 6.50 91.00 81.50 7.50 0.00 0.00 0.00 186.50
1991 0.00 0.00 0.00 0.00 0.00 0.00 n 42.00 81.00 12.00 0.00 0.00 0.00 135.00
1992 0.00 0.00 0.00 0.00 4.00 36.50 49.00 51.00 1.50 0.00 0.00 0.00 142.00
1993 0.00 0.00 0.00 0.00 6.50 1.00 0.00 40.00 21.50 0.00 0.00 0.00 69.00
1994 0.00 0.00 0.00 0.00 0.00 0.00 73.50 49.50 8.00 0.00 0.00 0.00 131.00
1995 0.00 0.00 0.00 0.00 0.00 23.00 57.50 7.50 10.00 0.00 z 0.00 0.00 98.00
1996 0.00 0.00 0.00 0.50 0.00 0.50 78.50 49.00 0.00 0.00 0.00 0.00 128.50
1997 0.00 0.00 0.00 0.00 1.50 0.00 21.00 85.00 0.00 z 0.00 0.00 z 0.00 z 107.50
1998 0.00 0.00 0.00 0.00 0.00 z 0.00 z 179.00 166.50 58.00 0.00 0.00 z 0.00 403.50
1999 0.00 0.00 0.00 0.00 0.50 12.50 14.00 45.00 6.00 0.00 0.00 0.00 78.00
2000 0.00 0.00 0.00 0.00 0.00 20.50 40.00 25.00 12.50 0.00 0.00 0.00 98.00
2001 0.00 0.00 0.00 0.00 10.00 2.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.00
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 14.50 v 35.50 3.00 0.00 0.00 0.00 38.50
2003 0.00 0.00 0.00 0.00 1.00 27.00 82.00 36.50 24.50 0.00 0.00 0.00 171.00
2004 0.00 0.00 0.00 0.00 0.00 25.00 103.00 108.50 2.00 0.00 0.00 0.00 238.50
2005 0.00 d 0.00 0.00 0.00 z 9.00 1.00 31.50 44.00 4.00 0.00 0.00 0.00 89.50
2006 0.00 0.00 0.00 0.00 0.00 18.00 71.50 14.00 2.50 0.00 0.00 0.00 106.00
2007 0.00 0.00 0.00 0.00 0.50 2.50 45.50 4.50 0.00 0.00 0.00 0.00 53.00
2008 0.00 0.00 0.00 0.00 5.00 19.00 3.50 f 8.00 r 0.00 b 0.00 0.00 0.00 24.00
2009 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 36.50 6.00 0.00 0.00 0.00 42.50
2010 0.00 0.00 0.00 0.00 0.00 0.00 29.50 35.00 3.00 0.00 0.00 0.00 67.50
2011 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 3.50 7.50 0.00 0.00 0.00 11.00
2012 0.00 0.00 0.00 0.00 0.00 0.00 l 3.50 34.50 1.61 b 0.00 0.00 0.00 39.61
2013 0.00 a 0.00 a 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 0.03 2.74 12.47 43.11 40.29 8.34 0.29 0.00 0.00 99.97
S.D. 0.00 0.00 0.00 0.17 4.92 15.42 39.01 32.38 10.25 1.00 0.00 0.00 52.17
SKEW 0.00 0.00 0.00 5.38 2.20 2.49 1.98 1.51 2.50 3.67 0.00 0.00 0.70
MAX 0.00 0.00 0.00 1.03 23.00 92.50 219.00 166.50 58.00 5.50 0.00 0.00 238.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11.00
NO YRS 79 81 81 80 77 78 78 81 81 81 78 80 60