CHEWELAH, WASHINGTON

Monthly Total Cooling Degree Days

(451395)

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
1925 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
1926 0.00 0.00 0.00 0.00 0.00 29.50 83.70 a 14.00 0.00 0.00 0.00 0.00 127.20
1927 0.00 0.00 0.00 0.00 0.00 13.00 42.22 b 36.50 0.00 0.00 0.00 0.00 91.72
1928 0.00 0.00 0.00 0.00 11.00 19.50 89.50 7.23 a 2.50 0.00 0.00 0.00 129.73
1929 0.00 0.00 0.00 0.00 m 5.50 4.00 35.00 56.00 0.00 0.00 a 0.00 a 0.00 100.50
1930 0.00 0.00 0.00 0.00 0.00 i 3.50 69.00 i 102.00 5.50 0.00 0.00 0.00 111.00
1931 0.00 0.00 0.00 0.00 a 8.50 22.50 102.50 49.50 15.50 0.00 0.00 0.00 198.50
1932 0.00 0.00 a 0.00 0.00 0.00 44.50 31.00 78.00 3.50 g 10.50 0.00 b 0.00 164.00
1933 0.00 0.00 a 0.00 0.00 0.00 23.00 45.50 51.00 0.00 0.00 0.00 0.00 119.50
1934 0.00 0.00 0.00 0.00 34.00 7.00 75.50 42.00 6.50 0.00 0.00 0.00 b 165.00
1935 0.00 0.00 0.00 0.00 e 0.00 0.00 91.00 34.00 6.50 0.00 0.00 0.00 a 131.50
1936 0.00 0.00 0.00 0.00 21.00 29.00 67.50 37.50 2.00 0.00 0.00 0.00 157.00
1937 0.00 a 0.00 0.00 0.00 0.00 16.03 a 98.50 4.50 12.50 0.00 a 0.00 0.00 f 131.53
1938 0.00 0.00 0.00 0.00 o 0.00 z 84.50 143.00 11.00 53.50 0.00 0.00 l 0.00 q 292.00
1939 0.00 0.00 b 0.00 0.00 0.00 a 12.50 102.50 59.50 2.00 0.00 0.00 0.00 176.50
1940 0.00 0.00 0.00 0.00 3.50 66.00 109.00 h 55.00 32.50 0.00 0.00 0.00 157.00
1941 0.00 0.00 0.00 0.00 0.50 25.00 177.50 85.50 0.00 0.00 0.00 0.00 a 288.50
1942 0.00 0.00 0.00 0.00 3.00 14.50 138.50 136.50 12.00 0.00 0.00 0.00 304.50
1943 0.00 0.00 0.00 0.00 0.00 11.50 114.50 14.00 0.00 0.00 0.00 0.00 140.00
1944 0.00 0.00 0.00 0.00 3.50 18.00 114.50 46.50 11.50 0.00 0.00 0.00 194.00
1945 0.00 0.00 0.00 0.00 4.43 c 12.50 107.50 72.50 3.50 0.00 0.00 0.00 200.43
1946 0.00 0.00 0.00 0.00 1.00 14.00 74.50 58.38 a 0.00 b 0.00 0.00 0.00 147.88
1947 0.00 a 0.00 i 0.00 0.00 7.75 a 9.00 85.50 32.00 1.07 b 0.00 0.00 j 0.00 135.32
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 68.33 c 42.50 42.00 14.48 a 0.00 a 0.00 b 0.00 167.32
1949 0.00 0.00 b 0.00 0.00 24.28 a 16.50 101.50 75.00 32.00 0.00 0.00 0.00 b 249.28
1950 0.00 0.00 0.00 a 0.00 0.00 38.00 116.25 a 55.50 23.00 0.00 a 0.00 0.00 232.75
1951 0.00 0.00 0.00 0.00 5.17 a 10.50 91.00 63.00 5.00 0.00 0.00 0.00 174.67
1952 0.00 0.00 0.00 4.50 0.00 33.50 103.50 96.50 10.00 0.00 0.00 0.00 248.00
1953 0.00 0.00 0.00 0.00 2.50 4.50 71.00 83.00 12.50 0.00 0.00 0.00 173.50
1954 0.00 0.00 0.00 0.00 5.50 4.50 51.00 23.50 2.50 0.00 a 0.00 0.00 87.00
1955 0.00 0.00 0.00 0.00 a 0.00 37.50 107.50 27.00 15.00 0.00 a 0.00 0.00 187.00
1956 0.00 0.00 0.00 2.00 16.50 22.50 125.50 58.50 11.00 0.00 b 0.00 0.00 236.00
1957 0.00 0.00 0.00 0.00 10.00 42.50 57.50 12.00 21.00 3.10 a 0.00 0.00 146.10
1958 0.00 0.00 0.00 0.00 53.00 86.00 159.00 161.50 23.00 0.00 0.00 0.00 482.50
1959 0.00 0.00 0.00 0.00 1.00 15.00 113.00 30.00 11.00 0.00 0.00 0.00 170.00
1960 0.00 0.00 0.00 0.00 0.50 10.00 152.00 53.00 6.50 0.00 0.00 0.00 222.00
1961 0.00 0.00 0.00 0.00 8.50 94.50 127.00 163.00 1.50 0.00 0.00 0.00 394.50
1962 0.00 0.00 0.00 0.50 0.00 23.00 75.50 52.00 4.50 0.00 0.00 0.00 155.50
1963 0.00 0.00 0.00 0.00 0.00 31.50 48.00 91.00 34.50 0.00 0.00 0.00 205.00
1964 0.00 0.00 0.00 0.00 1.00 11.50 92.50 22.50 0.00 0.00 0.00 0.00 127.50
1965 0.00 0.00 0.00 0.00 4.50 10.50 91.00 108.50 0.00 0.00 0.00 0.00 214.50
1966 0.00 0.00 0.00 0.00 13.00 6.00 48.00 65.00 16.00 0.00 0.00 0.00 148.00
1967 0.00 0.00 0.00 0.00 0.00 a 42.50 81.00 111.00 39.50 0.00 0.00 0.00 274.00
1968 0.00 0.00 0.00 0.00 3.50 12.50 117.00 43.00 0.00 z 0.00 0.00 0.00 176.00
1969 0.00 0.00 0.00 0.50 2.00 70.50 36.00 35.00 19.00 0.00 0.00 0.00 163.00
1970 0.00 0.00 0.00 0.00 1.50 87.00 141.00 70.00 10.00 0.00 0.00 e 0.00 309.50
1971 0.00 0.00 0.00 0.00 3.50 14.00 115.50 157.50 4.50 0.00 0.00 0.00 295.00
1972 0.00 0.00 0.00 0.00 8.00 20.00 35.50 125.00 1.50 0.00 0.00 0.00 190.00
1973 0.00 0.00 0.00 0.00 11.00 29.50 109.50 89.00 13.00 0.00 0.00 0.00 252.00
1974 0.00 0.00 0.00 0.00 0.00 77.00 52.50 67.50 3.00 0.00 0.00 0.00 200.00
1975 0.00 0.00 0.00 0.00 0.50 7.50 177.00 14.50 0.00 z 0.00 0.00 0.00 199.50
1976 0.00 0.00 0.00 0.00 0.00 16.00 58.50 38.50 7.00 0.00 0.00 0.00 120.00
1977 0.00 0.00 0.00 0.00 0.50 53.00 70.00 162.00 0.50 0.00 0.00 z 0.00 a 286.00
1978 0.00 a 0.00 0.00 a 0.00 0.00 a 31.00 65.10 a 72.50 3.50 0.00 0.00 0.00 172.10
1979 0.00 0.00 0.00 0.00 2.00 51.00 154.50 129.50 16.50 0.00 0.00 0.00 353.50
1980 0.00 0.00 0.00 1.50 7.00 14.50 99.50 52.50 0.00 0.00 0.00 0.00 a 175.00
1981 0.00 0.00 0.00 0.00 6.00 6.50 94.50 180.00 29.00 0.00 0.00 0.00 316.00
1982 0.00 0.00 0.00 0.00 1.00 127.50 123.00 133.00 24.50 0.00 0.00 0.00 409.00
1983 0.00 0.00 0.00 0.00 19.50 25.00 52.00 127.50 8.50 0.00 0.00 0.00 232.50
1984 0.00 0.00 0.00 0.00 4.50 24.00 104.00 106.50 3.50 0.00 0.00 0.00 242.50
1985 0.00 0.00 0.00 0.00 10.00 28.00 224.50 32.00 0.00 0.00 0.00 b 0.00 294.50
1986 0.00 0.00 0.00 0.00 64.00 109.00 60.50 220.50 7.00 0.00 0.00 b 0.00 461.00
1987 0.00 0.00 0.00 2.50 10.50 0.00 z 105.50 75.00 21.50 0.00 0.00 0.00 215.00
1988 0.00 0.00 0.00 0.00 4.00 56.00 125.00 90.50 37.00 0.00 0.00 0.00 312.50
1989 0.00 0.00 0.00 0.00 0.52 a 44.50 120.50 64.50 0.00 0.00 0.00 0.00 230.02
1990 0.00 0.00 0.00 0.00 1.50 39.00 212.50 158.00 41.50 0.00 0.00 0.00 452.50
1991 0.00 0.00 0.00 0.00 0.00 1.50 104.00 165.50 17.50 0.00 0.00 0.00 288.50
1992 0.00 0.00 0.00 0.00 31.50 147.00 122.00 167.50 1.00 0.50 0.00 0.00 469.50
1993 0.00 0.00 0.00 0.00 51.50 37.00 15.50 64.00 9.50 0.00 0.00 0.00 177.50
1994 0.00 0.00 0.00 0.00 16.50 36.00 256.50 129.50 15.50 0.00 0.00 0.00 454.00
1995 0.00 0.00 0.00 0.00 b 10.00 36.00 137.00 53.00 26.00 0.00 0.00 0.00 262.00
1996 0.00 0.00 0.00 0.00 0.00 20.00 175.00 95.00 12.50 0.00 0.00 0.00 302.50
1997 0.00 a 0.00 0.00 0.00 8.78 a 30.00 a 100.50 202.50 11.50 0.00 0.00 0.00 353.28
1998 0.00 0.00 0.00 0.00 0.00 16.50 266.00 176.18 a 76.00 0.00 0.00 0.00 534.68
1999 0.00 a 0.00 0.00 0.00 a 8.00 35.00 77.50 180.50 0.00 b 0.00 0.00 0.00 b 301.00
2000 0.00 o 0.00 z 0.00 d 0.00 b 0.00 24.64 b 112.78 b 98.50 10.50 0.00 0.00 f 0.00 246.42
2001 0.00 0.00 0.00 0.00 33.00 14.50 156.00 178.50 24.50 0.00 0.00 0.00 n 406.50
2002 0.00 o 0.00 0.00 0.00 1.50 83.50 237.00 110.00 16.00 0.00 0.00 n 0.00 p 448.00
2003 0.00 0.00 0.00 0.00 20.50 80.50 218.50 200.00 53.50 0.00 0.00 0.00 573.00
2004 0.00 0.00 z 0.00 0.00 0.00 0.00 z 200.50 163.50 1.50 0.00 b 0.00 d 0.00 365.50
2005 0.00 z 0.00 0.00 z 0.00 4.00 22.50 n 117.50 g 126.50 19.50 0.00 0.00 b 0.00 150.00
2006 0.00 0.00 0.00 0.00 32.50 45.00 206.50 77.00 19.00 0.00 0.00 0.00 380.00
2007 0.00 0.00 0.00 0.00 1.00 47.00 270.00 58.50 16.00 0.00 0.00 0.00 e 392.50
2008 0.00 0.00 0.00 0.00 3.50 23.04 b 66.00 g 108.50 0.00 0.00 0.00 h 0.00 c 135.04
2009 0.00 a 0.00 0.00 0.00 4.00 22.00 142.60 a 117.50 21.00 0.00 0.00 0.00 307.10
2010 0.00 0.00 0.00 0.00 0.00 4.00 63.00 56.50 1.00 3.50 0.00 0.00 128.00
2011 0.00 0.00 0.00 0.00 3.00 10.50 28.00 51.50 19.66 a 0.00 0.00 0.00 112.66
2012 0.00 0.00 0.00 1.00 1.50 9.00 156.50 88.87 a 3.33 c 0.00 0.00 0.00 260.20
2013 0.00 0.00 g 0.00 j 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 0.15 7.63 32.78 110.52 84.94 12.81 0.20 0.00 0.00 248.94
S.D. 0.00 0.00 0.00 0.62 12.49 29.50 56.99 52.94 14.18 1.22 0.00 0.00 113.02
SKEW 0.00 0.00 0.00 5.20 2.59 1.66 0.90 0.64 1.83 7.35 0.00 0.00 0.91
MAX 0.00 0.00 0.00 4.50 64.00 147.00 270.00 220.50 76.00 10.50 0.00 0.00 573.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 15.50 4.50 0.00 0.00 0.00 0.00 87.00
NO YRS 84 83 85 84 84 84 83 87 84 87 82 84 69