LONGVIEW, WASHINGTON

Monthly Total Cooling Degree Days

(454769)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1931 0.00 0.00 0.00 0.00 3.50 3.00 33.00 25.50 18.00 0.00 0.00 0.00 83.00
1932 0.00 a 0.00 0.00 0.00 0.00 26.00 5.17 a 39.00 9.00 2.50 0.00 0.00 81.67
1933 0.00 0.00 0.00 0.00 0.00 1.50 34.00 76.98 a 0.00 0.00 r 0.00 0.00 112.48
1934 0.00 0.00 0.00 0.50 10.00 12.00 13.00 51.50 30.00 1.50 0.00 0.00 a 118.50
1935 0.00 0.00 0.00 0.00 0.00 18.50 68.00 57.00 31.50 0.00 0.00 0.00 175.00
1936 0.00 a 0.00 0.00 0.00 2.50 9.50 8.50 33.00 7.76 a 2.50 0.00 0.00 63.76
1937 0.00 0.00 0.00 0.00 0.00 23.00 20.50 28.00 32.00 0.00 0.00 0.00 103.50
1938 0.00 0.00 0.00 0.00 0.00 20.50 83.50 1.50 23.00 0.00 0.00 0.00 128.50
1939 0.00 0.00 0.00 0.00 2.50 6.00 61.00 53.00 14.00 0.00 0.00 0.00 136.50
1940 0.00 0.00 0.00 0.00 0.50 30.50 32.50 50.50 16.50 6.00 0.00 0.00 136.50
1941 0.00 0.00 0.00 0.00 14.50 14.50 132.50 61.50 0.00 0.00 0.00 0.00 223.00
1942 0.00 0.00 0.00 0.00 1.50 21.50 69.75 a 83.50 12.50 0.00 0.00 0.00 188.75
1943 0.00 0.00 0.00 0.00 0.00 12.00 40.50 20.00 29.50 0.00 0.00 0.00 102.00
1944 0.00 0.00 0.00 0.00 0.00 11.50 63.00 34.00 52.00 0.00 0.00 0.00 160.50
1945 0.00 0.00 0.00 0.00 5.00 17.00 82.00 43.50 6.50 0.00 0.00 0.00 154.00
1946 0.00 0.00 0.00 0.00 7.50 8.00 62.50 61.50 7.00 0.00 0.00 0.00 146.50
1947 0.00 0.00 0.00 2.00 9.00 3.50 29.50 22.00 20.50 1.00 0.00 0.00 87.50
1948 0.00 0.00 0.00 0.00 3.50 40.00 29.50 25.50 25.00 0.00 0.00 0.00 123.50
1949 0.00 0.00 0.00 0.00 3.50 8.28 a 30.00 49.50 35.50 0.00 0.00 0.00 126.78
1950 0.00 0.00 0.00 a 0.00 0.00 20.00 32.00 93.52 a 28.45 a 0.00 0.00 0.00 173.96
1951 0.00 0.00 0.00 0.00 3.50 40.50 47.50 25.00 27.00 0.00 0.00 0.00 143.50
1952 0.00 0.00 0.00 0.00 5.50 1.00 75.00 66.50 58.50 8.50 0.00 0.00 215.00
1953 0.00 0.00 0.00 0.00 4.00 5.50 34.00 41.50 19.50 0.00 0.00 0.00 104.50
1954 0.00 0.00 0.00 0.00 1.66 c 2.50 7.00 11.00 3.00 0.00 0.00 0.00 25.16
1955 0.00 0.00 0.00 0.00 0.00 30.00 9.50 27.00 31.50 0.00 0.00 0.00 98.00
1956 0.00 0.00 0.00 2.22 c 30.50 2.00 85.50 46.50 12.50 0.00 0.00 0.00 179.22
1957 0.00 0.00 0.00 a 5.50 8.50 0.50 25.00 9.50 51.21 a 3.50 0.00 0.00 103.71
1958 0.00 0.00 0.00 0.00 13.00 60.00 135.00 101.50 36.00 1.00 0.00 0.00 346.50
1959 0.00 0.00 0.00 0.00 5.00 12.50 82.50 31.00 5.00 0.00 0.00 0.00 136.00
1960 0.00 0.00 0.00 0.00 0.00 10.50 87.83 a 50.00 13.00 0.00 0.00 0.00 161.33
1961 0.00 0.00 0.00 0.00 11.50 57.50 70.50 102.50 6.00 3.50 0.00 0.00 251.50
1962 0.00 0.00 0.00 0.00 0.00 2.50 39.50 23.50 5.00 0.00 0.00 0.00 70.50
1963 0.00 0.00 0.00 0.00 19.00 11.50 6.50 19.50 32.50 0.00 0.00 0.00 89.00
1964 0.00 0.00 0.00 0.00 3.00 0.00 37.50 23.50 0.00 0.00 0.00 0.00 64.00
1965 0.00 0.00 0.00 0.50 0.00 2.50 76.50 73.50 4.00 0.00 0.00 0.00 157.00
1966 0.00 0.00 0.00 0.00 1.50 12.50 16.00 38.50 15.00 1.00 0.00 0.00 84.50
1967 0.00 0.00 0.00 0.00 1.00 29.00 45.00 157.00 42.50 0.00 0.00 0.00 274.50
1968 0.00 0.00 0.00 0.00 0.00 12.00 60.50 31.50 15.50 0.00 0.00 0.00 119.50
1969 0.00 0.00 0.00 0.00 12.00 54.00 25.00 17.50 16.00 0.00 0.00 0.00 124.50
1970 0.00 0.00 0.00 0.00 2.00 41.50 55.00 38.00 0.00 0.00 0.00 0.00 136.50
1971 0.00 0.00 0.00 0.00 6.00 5.00 59.00 94.50 0.00 1.50 0.00 0.00 166.00
1972 0.00 0.00 0.00 0.00 18.00 2.00 60.00 79.00 23.00 0.00 0.00 0.00 182.00
1973 0.00 0.00 0.00 0.00 13.00 21.50 59.00 14.50 15.50 0.00 0.00 0.00 123.50
1974 0.00 0.00 0.00 0.00 0.00 8.79 a 33.00 62.50 49.50 0.00 0.00 z 0.00 153.79
1975 0.00 0.00 0.00 0.00 2.50 8.00 41.50 6.50 25.50 0.00 0.00 0.00 84.00
1976 0.00 0.00 0.00 0.00 0.50 11.50 19.50 8.50 8.50 0.00 0.00 0.00 48.50
1977 0.00 0.00 0.00 0.00 0.00 15.00 12.50 135.50 2.00 0.00 0.00 0.00 165.00
1978 0.00 0.00 0.00 0.00 4.00 36.00 53.00 48.00 4.00 0.00 0.00 0.00 145.00
1979 0.00 0.00 0.00 0.00 3.50 11.50 69.00 27.00 30.50 0.00 0.00 0.00 141.50
1980 0.00 0.00 0.00 2.00 0.00 0.00 49.50 16.00 10.00 2.50 0.00 0.00 80.00
1981 0.00 0.00 0.00 2.00 1.50 5.00 50.00 129.50 36.00 0.00 0.00 0.00 224.00
1982 0.00 0.00 0.00 0.00 0.50 36.00 25.50 51.50 32.00 0.00 0.00 0.00 145.50
1983 0.00 0.00 0.00 0.00 22.00 5.50 30.00 43.50 0.50 0.00 0.00 0.00 101.50
1984 0.00 0.00 0.00 0.00 3.00 7.50 0.00 z 34.50 11.50 4.00 0.00 0.00 60.50
1985 0.00 0.00 0.00 0.00 10.50 15.50 99.00 49.50 0.00 0.00 0.00 0.00 174.50
1986 0.00 0.00 0.00 0.00 18.50 34.00 7.00 105.50 26.00 0.00 0.00 0.00 191.00
1987 0.00 0.00 0.00 3.00 21.00 30.50 33.50 69.00 51.50 6.00 0.00 0.00 214.50
1988 0.00 0.00 0.00 0.00 7.50 12.50 53.50 47.50 29.00 4.50 0.00 0.00 154.50
1989 0.00 0.00 0.00 0.00 3.50 30.50 15.50 19.50 35.50 0.00 0.00 0.00 104.50
1990 0.00 0.00 0.00 1.50 2.00 15.50 88.00 83.00 29.50 0.00 0.00 0.00 219.50
1991 0.00 0.00 0.00 0.00 0.00 0.00 70.50 84.00 45.00 0.00 0.00 0.00 199.50
1992 0.00 0.00 0.00 0.00 24.50 64.00 81.50 73.50 13.50 0.00 0.00 0.00 257.00
1993 0.00 0.00 0.00 0.00 14.00 7.50 5.00 69.50 37.00 0.00 0.00 0.00 133.00
1994 0.00 0.00 0.00 0.00 2.50 1.00 72.00 38.00 29.50 0.00 0.00 0.00 143.00
1995 0.00 0.00 0.00 0.00 1.50 24.50 82.00 27.00 35.00 0.00 0.00 0.00 170.00
1996 0.00 0.00 0.00 0.50 0.00 z 5.50 113.00 78.00 7.00 2.50 0.00 0.00 206.50
1997 0.00 0.00 0.00 0.00 11.50 0.00 z 31.50 91.00 0.00 z 0.00 0.00 0.00 134.00
1998 0.00 0.00 0.00 2.00 6.50 8.50 112.50 67.00 38.00 0.00 0.00 0.00 234.50
1999 0.00 r 0.00 z 0.00 x 0.00 5.17 a 19.66 a 32.00 75.00 46.50 0.00 0.00 0.00 178.32
2000 0.00 0.00 0.00 0.00 1.50 38.00 65.50 44.50 21.00 0.00 0.00 0.00 170.50
2001 0.00 0.00 0.00 0.50 18.00 16.50 0.00 z 71.82 a 17.07 a 0.00 z 0.00 0.00 123.89
2002 0.00 0.00 0.00 0.00 0.50 0.00 z 97.50 73.00 23.00 0.00 0.00 0.00 194.00
2003 0.00 0.00 z 0.00 0.00 10.00 71.00 111.50 75.50 62.50 10.00 0.00 0.00 340.50
2004 0.00 0.00 0.00 4.50 1.00 47.00 134.00 127.00 8.50 0.00 0.00 0.00 322.00
2005 0.00 0.00 0.00 0.00 28.00 11.00 102.50 100.50 6.00 0.00 0.00 0.00 248.00
2006 0.00 0.00 0.00 0.00 15.00 42.78 c 45.50 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 57.78
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.35 6.16 18.43 53.70 54.20 21.65 0.85 0.00 0.00 150.61
S.D. 0.00 0.00 0.00 1.00 7.40 16.86 33.30 33.05 15.90 1.99 0.00 0.00 62.82
SKEW 0.00 0.00 0.00 3.40 1.43 1.22 0.55 0.80 0.51 2.82 0.00 0.00 0.77
MAX 0.00 0.00 0.00 5.50 30.50 71.00 135.00 157.00 62.50 10.00 0.00 0.00 346.50
MIN 0.00 0.00 0.00 0.00 0.00 0.00 5.00 1.50 0.00 0.00 0.00 0.00 25.16
NO YRS 75 74 75 76 75 74 73 75 74 73 74 75 66