STEHEKIN 4 NW, WASHINGTON

Monthly Total Cooling Degree Days

(458059)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1906 0.00 w 0.00 0.00 n 0.00 a 0.00 a 21.50 237.50 121.50 1.50 0.00 a 0.00 0.00 382.00
1907 0.00 0.00 w 0.00 0.00 a 3.00 26.00 166.37 a 77.50 e 4.14 a 0.00 0.00 d 0.00 e 277.00
1908 0.00 z 0.00 z 0.00 z 0.00 0.00 g 26.79 b 109.50 m 118.66 b 15.50 0.00 z 0.00 d 0.00 z 160.94
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 34.00 33.00 133.50 14.50 1.50 0.00 k 0.00 z 216.50
1917 0.00 z 0.00 m 0.00 0.00 0.00 a 2.50 105.50 117.50 1.00 3.50 0.00 0.00 230.00
1918 0.00 0.00 0.00 0.00 0.00 34.50 88.50 39.50 6.50 0.00 0.00 z 0.00 z 169.00
1919 0.00 0.00 a 0.00 0.00 2.07 a 4.50 81.63 a 57.02 c 0.00 0.00 a 0.00 0.00 145.22
1920 0.00 0.00 0.00 0.00 0.00 7.50 120.00 103.85 a 2.00 0.00 0.00 0.00 233.35
1921 0.00 0.00 0.00 0.00 0.00 2.50 76.00 73.00 0.00 0.00 0.00 0.00 151.50
1922 0.00 0.00 0.00 0.00 3.50 58.00 146.50 79.50 4.50 0.00 0.00 0.00 292.00
1923 0.00 0.00 0.00 0.00 0.00 16.50 102.00 74.50 9.50 0.00 0.00 0.00 202.50
1924 0.00 0.00 0.00 0.00 25.50 14.50 129.00 94.50 28.00 0.00 0.00 0.00 291.50
1925 0.00 0.00 0.00 0.00 2.50 58.50 158.00 79.50 3.50 0.00 0.00 0.00 302.00
1926 0.00 0.00 0.00 0.50 0.00 75.00 181.00 77.50 4.00 0.00 0.00 0.00 338.00
1927 0.00 0.00 0.00 0.00 0.00 10.50 145.00 70.50 i 0.00 0.00 0.00 0.00 155.50
1928 0.00 0.00 0.00 0.00 5.50 43.50 182.50 86.00 8.50 0.00 0.00 0.00 326.00
1929 0.00 0.00 0.00 0.00 0.00 9.00 60.00 114.50 14.00 0.00 a 0.00 0.00 197.50
1930 0.00 0.00 0.00 0.00 0.00 0.50 118.50 95.50 8.00 0.00 0.00 0.00 222.50
1931 0.00 0.00 0.00 0.50 17.00 18.50 121.50 73.50 20.50 0.00 0.00 0.00 251.50
1932 0.00 0.00 a 0.00 1.50 0.00 40.50 26.00 70.50 13.50 7.50 0.00 0.00 159.50
1933 0.00 0.00 0.00 0.00 0.00 10.00 49.00 64.00 0.00 0.00 0.00 0.00 123.00
1934 0.00 0.00 0.00 0.00 7.50 28.50 68.50 74.00 17.50 0.00 0.00 0.00 196.00
1935 0.00 0.00 0.00 0.00 0.00 1.00 82.00 15.00 13.00 0.00 0.00 0.00 111.00
1936 0.00 0.00 0.00 0.00 7.50 21.00 86.00 70.00 4.00 0.00 0.00 0.00 188.50
1937 0.00 0.00 0.00 0.00 2.00 9.50 93.50 28.00 0.50 0.00 0.00 0.00 133.50
1938 0.00 0.00 0.00 0.00 3.00 29.00 139.00 14.00 14.00 0.00 0.00 0.00 199.00
1939 0.00 0.00 0.00 0.00 0.00 16.50 126.50 100.00 12.00 0.00 0.00 b 0.00 255.00
1940 0.00 0.00 0.00 0.00 8.50 32.00 88.50 54.00 11.50 0.00 0.00 a 0.00 194.50
1941 0.00 a 0.00 0.00 0.00 0.00 10.50 171.50 49.60 a 0.00 0.00 0.00 0.00 231.60
1942 0.00 0.00 0.00 0.00 a 3.10 a 12.00 81.00 131.50 5.00 0.00 0.00 0.00 232.60
1943 0.00 0.00 0.00 0.00 0.00 10.00 79.00 41.33 a 2.00 1.03 a 0.00 a 0.00 133.37
1944 0.00 0.00 0.00 0.00 0.00 24.50 116.00 31.00 7.76 a 0.00 0.00 0.00 179.26
1945 0.00 0.00 0.00 0.00 1.00 11.00 123.00 91.50 4.50 0.00 0.00 0.00 231.00
1946 0.00 0.00 0.00 0.00 0.00 6.00 56.00 67.50 0.00 0.00 0.00 0.00 a 129.50
1947 0.00 0.00 b 0.00 0.00 3.50 5.50 57.00 55.80 a 4.00 0.00 0.00 0.00 125.80
1948 0.00 0.00 0.00 0.00 0.00 42.32 b 31.50 1.50 5.00 0.00 0.00 0.00 a 80.32
1949 0.00 0.00 0.00 0.00 15.50 9.00 77.50 44.50 17.00 0.00 0.00 0.00 163.50
1950 0.00 0.00 0.00 0.00 0.00 18.50 67.00 53.50 10.50 0.00 0.00 0.00 149.50
1951 0.00 0.00 0.00 0.00 1.50 6.50 81.50 106.00 0.00 0.00 0.00 0.00 d 195.50
1952 0.00 z 0.00 z 0.00 z 0.00 0.00 2.00 112.00 103.00 12.00 0.00 d 0.00 0.00 z 229.00
1953 0.00 z 0.00 z 0.00 0.00 1.00 0.00 51.00 37.50 13.50 0.00 0.00 0.00 z 103.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.50 14.50 0.00 0.00 0.00 z 0.00 z 42.00
1955 0.00 0.00 0.00 0.00 0.00 18.50 47.50 27.00 11.00 0.00 0.00 0.00 104.00
1956 0.00 0.00 0.00 0.00 3.50 4.50 131.00 54.00 6.50 0.00 0.00 0.00 199.50
1957 0.00 0.00 0.00 0.00 1.50 24.00 35.00 19.50 7.50 0.00 0.00 0.00 87.50
1958 0.00 0.00 0.00 0.00 21.50 90.50 200.50 209.00 2.50 0.50 0.00 0.00 524.50
1959 0.00 0.00 0.00 0.00 p 0.00 p 31.00 121.50 58.00 0.00 0.00 0.00 0.00 210.50
1960 0.00 0.00 0.00 0.00 0.00 8.00 185.00 80.00 8.00 0.00 0.00 0.00 281.00
1961 0.00 0.00 0.00 0.00 1.50 61.50 146.00 147.50 5.00 0.00 0.00 0.00 361.50
1962 0.00 0.00 0.00 0.00 0.00 7.50 90.00 26.50 4.50 0.00 0.00 0.00 128.50
1963 0.00 0.00 0.00 0.00 0.00 31.00 27.50 62.00 9.50 0.00 0.00 0.00 130.00
1964 0.00 0.00 0.00 0.00 1.00 2.00 53.50 12.00 0.00 0.00 0.00 0.00 68.50
1965 0.00 0.00 0.00 0.00 0.00 12.50 81.00 76.00 1.00 0.00 0.00 0.00 170.50
1966 0.00 0.00 0.00 0.00 0.50 6.00 49.50 69.50 10.00 0.00 0.00 0.00 135.50
1967 0.00 0.00 0.00 0.00 0.00 25.50 111.00 169.00 39.50 0.00 0.00 0.00 345.00
1968 0.00 0.00 0.00 0.00 0.00 5.00 135.00 55.50 6.50 0.00 0.00 0.00 202.00
1969 0.00 0.00 h 0.00 0.00 0.50 53.50 56.50 29.00 13.00 0.00 0.00 0.00 152.50
1970 0.00 0.00 0.00 0.00 0.00 77.00 143.00 91.50 0.00 0.00 0.00 0.00 311.50
1971 0.00 0.00 0.00 0.00 0.50 8.50 211.00 233.50 0.00 0.00 0.00 0.00 453.50
1972 0.00 0.00 0.00 0.00 10.50 13.50 72.50 133.50 7.00 0.00 0.00 0.00 237.00
1973 0.00 0.00 0.00 0.00 14.50 45.50 212.50 159.50 39.00 0.00 0.00 0.00 471.00
1974 0.00 0.00 0.00 k 0.00 0.00 83.50 88.35 a 134.00 10.50 0.00 0.00 0.00 316.35
1975 0.00 0.00 0.00 0.00 2.50 14.00 196.00 0.00 r 6.50 0.00 0.00 a 0.00 219.00
1976 0.00 0.00 0.00 0.00 z 0.00 8.50 95.00 40.50 23.50 0.00 0.00 0.00 167.50
1977 0.00 0.00 0.00 1.50 0.00 100.50 130.50 325.00 0.50 0.00 0.00 0.00 558.00
1978 0.00 0.00 0.00 0.00 0.00 89.50 175.50 142.50 0.00 0.00 b 0.00 0.00 407.50
1979 0.00 0.00 0.00 0.00 3.50 93.00 231.50 142.00 5.50 1.50 0.00 0.00 477.00
1980 0.00 0.00 0.00 a 0.00 0.00 12.00 172.00 83.50 6.00 0.00 0.00 0.00 273.50
1981 0.00 0.00 0.00 0.00 0.50 10.50 113.50 237.50 35.00 0.00 0.00 0.00 397.00
1982 0.00 0.00 0.00 0.00 2.00 111.00 115.00 120.50 29.50 0.00 0.00 0.00 z 378.00
1983 0.00 0.00 0.00 0.00 47.00 32.00 35.50 142.00 0.00 0.00 0.00 0.00 256.50
1984 0.00 0.00 0.00 0.00 0.00 z 22.00 156.00 127.00 8.50 0.00 0.00 0.00 313.50
1985 0.00 0.00 0.00 0.00 14.00 47.00 348.50 111.50 8.50 0.00 0.00 0.00 529.50
1986 0.00 0.00 0.00 0.00 41.00 123.00 65.00 270.50 39.00 0.00 0.00 0.00 538.50
1987 0.00 0.00 0.00 0.00 20.50 95.00 148.00 132.00 71.50 0.00 0.00 0.00 467.00
1988 0.00 0.00 0.00 0.00 3.50 65.00 172.00 123.50 52.00 0.50 0.00 0.00 416.50
1989 0.00 0.00 0.00 0.00 0.00 a 78.00 131.50 98.50 2.00 0.00 0.00 0.00 310.00
1990 0.00 0.00 0.00 0.00 0.00 44.50 246.00 198.00 34.50 0.00 0.00 0.00 523.00
1991 0.00 0.00 0.00 0.00 0.00 8.50 148.00 184.50 20.50 0.50 0.00 0.00 362.00
1992 0.00 0.00 0.00 0.00 31.00 189.50 133.50 215.50 15.00 0.00 0.00 0.00 584.50
1993 0.00 0.00 0.00 0.00 37.00 31.00 30.00 113.50 64.50 0.00 0.00 0.00 276.00
1994 0.00 0.00 0.00 0.00 23.50 36.00 300.50 149.00 45.50 0.00 0.00 0.00 554.50
1995 0.00 0.00 0.00 0.00 25.50 56.50 184.00 58.50 65.50 0.00 0.00 0.00 390.00
1996 0.00 0.00 0.00 0.00 0.00 11.50 218.00 155.00 14.50 0.00 0.00 0.00 399.00
1997 0.00 0.00 0.00 z 0.00 8.00 0.00 z 0.00 z 177.00 0.00 z 0.00 0.00 0.00 185.00
1998 0.00 0.00 0.00 0.00 13.00 32.50 289.50 259.00 114.00 0.00 0.00 0.00 708.00
1999 0.00 0.00 0.00 0.00 7.00 24.00 110.50 165.00 6.00 0.00 0.00 0.00 312.50
2000 0.00 0.00 0.00 0.00 0.00 48.00 157.50 169.00 16.50 0.00 0.00 0.00 391.00
2001 0.00 a 0.00 0.00 0.00 37.50 22.00 185.50 225.50 42.50 0.00 0.00 0.00 513.00
2002 0.00 0.00 0.00 0.00 0.00 90.00 223.00 205.50 27.50 0.50 0.00 0.00 546.50
2003 0.00 0.00 0.00 z 0.00 11.00 102.50 321.00 233.00 80.50 0.00 0.00 0.00 748.00
2004 0.00 0.00 z 0.00 z 0.00 0.00 z 65.00 f 233.00 226.50 9.00 0.00 0.00 0.00 468.50
2005 0.00 0.00 0.00 0.00 17.50 21.00 176.00 233.00 18.50 0.00 0.00 0.00 466.00
2006 0.00 0.00 0.00 0.00 28.00 55.00 273.00 168.50 45.00 0.00 0.00 a 0.00 569.50
2007 0.00 a 0.00 0.00 0.00 1.55 a 38.50 0.00 z 106.50 46.50 0.00 0.00 0.00 193.05
2008 0.00 0.00 0.00 0.00 2.50 h 42.00 199.50 126.50 1.50 0.00 z 0.00 0.00 369.50
2009 0.00 0.00 0.00 0.00 18.00 43.50 216.50 0.00 z 0.00 z 0.00 0.00 0.00 278.00
2010 0.00 0.00 0.00 0.00 1.00 26.00 189.00 128.00 0.00 c 0.00 f 0.00 r 0.00 344.00
2011 0.00 0.00 0.00 g 0.00 0.00 16.50 73.00 213.50 87.12 d 0.00 0.00 c 0.00 390.12
2012 0.00 e 0.00 b 0.00 1.00 3.00 7.24 a 243.19 b 265.05 a 12.86 b 0.00 a 0.00 e 0.00 d 532.34
2013 0.00 b 0.00 e 0.00 d 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 0.05 6.02 33.67 131.72 111.89 15.81 0.18 0.00 0.00 297.80
S.D. 0.00 0.00 0.00 0.25 10.46 33.25 71.22 69.20 21.11 0.87 0.00 0.00 154.05
SKEW 0.00 0.00 0.00 5.05 2.09 1.80 0.71 0.75 2.29 7.00 0.00 0.00 0.57
MAX 0.00 0.00 0.00 1.50 47.00 189.50 348.50 325.00 114.00 7.50 0.00 0.00 708.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 26.00 1.50 0.00 0.00 0.00 0.00 68.50
NO YRS 94 92 91 96 94 97 97 97 98 97 96 93 75