OMAK 2 NW, WASHINGTON

Monthly Total Cooling Degree Days

(456123)

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 2.50 59.00 95.50 300.00 213.50 39.00 0.00 0.00 0.00 709.50
1932 0.00 0.00 0.00 0.00 8.00 159.31 a 135.50 222.00 51.00 5.00 0.00 0.00 580.81
1933 0.00 0.00 0.00 0.00 2.50 70.50 249.50 240.00 6.50 0.00 0.00 0.00 569.00
1934 0.00 0.00 0.00 15.50 85.00 133.00 269.50 279.00 61.00 0.00 0.00 0.00 843.00
1935 0.00 0.00 0.00 0.00 16.00 60.50 236.50 171.50 84.50 0.00 0.00 0.00 569.00
1936 0.00 0.00 0.00 11.00 70.50 96.00 202.50 209.00 27.00 0.50 0.00 0.00 616.50
1937 0.00 0.00 0.00 0.00 13.00 63.00 270.50 104.50 53.00 0.00 0.00 0.00 504.00
1938 0.00 0.00 0.00 0.00 24.50 166.00 345.00 131.00 114.50 0.00 0.00 0.00 781.00
1939 0.00 0.00 0.00 0.50 28.00 55.50 324.00 304.50 49.00 0.50 0.00 0.00 762.00
1940 0.00 0.00 0.00 0.00 35.50 l 121.50 282.00 206.00 100.00 0.00 0.00 0.00 709.50
1941 0.00 0.00 0.00 0.00 11.50 95.50 342.00 179.50 0.00 0.00 0.00 0.00 628.50
1942 0.00 0.00 0.00 2.50 18.00 53.50 268.00 284.50 46.00 0.00 0.00 0.00 672.50
1943 0.00 0.00 0.00 0.00 0.00 55.00 260.50 160.00 33.00 5.00 0.00 0.00 513.50
1944 0.00 0.00 0.00 0.00 15.00 133.50 296.50 182.00 65.00 0.00 0.00 0.00 692.00
1945 0.00 0.00 0.00 3.00 22.00 85.50 241.00 120.00 9.00 0.00 0.00 0.00 480.50
1946 0.00 0.00 0.00 0.00 7.50 30.50 169.50 127.50 6.50 0.00 0.00 0.00 341.50
1947 0.00 0.00 0.00 0.00 38.50 21.00 124.50 68.00 7.50 0.50 0.00 0.00 260.00
1948 0.00 0.00 0.00 0.00 11.50 0.00 z 80.50 59.50 8.00 0.00 0.00 0.00 159.50
1949 0.00 0.00 0.00 0.00 43.00 59.50 160.00 126.67 b 40.50 0.00 c 0.00 0.00 429.67
1950 0.00 0.00 c 0.00 0.00 0.00 42.50 0.00 z 175.00 43.93 b 0.00 0.00 a 0.00 261.43
1951 0.00 0.00 0.00 0.00 0.00 43.50 222.50 191.00 3.50 0.00 d 0.00 0.00 460.50
1952 0.00 0.00 0.00 a 0.00 b 0.00 31.15 d 171.50 140.50 43.00 0.50 0.00 0.00 386.65
1953 0.00 0.00 0.00 0.00 1.00 11.00 191.00 154.50 0.00 z 0.00 0.00 0.00 357.50
1954 0.00 0.00 e 0.00 0.00 a 11.00 21.50 119.00 105.50 9.00 0.00 0.00 0.00 266.00
1955 0.00 0.00 a 0.00 0.00 2.50 74.50 165.52 c 137.00 65.00 0.00 0.00 0.00 444.52
1956 0.00 0.00 0.00 0.00 32.50 22.50 d 224.00 151.50 9.50 0.00 0.00 0.00 440.00
1957 0.00 b 0.00 0.00 0.00 b 15.50 57.50 128.00 91.00 47.50 0.00 f 0.00 0.00 339.50
1958 0.00 0.00 0.00 0.00 78.50 160.00 250.50 238.00 25.00 0.00 0.00 0.00 752.00
1959 0.00 0.00 0.00 h 0.00 3.00 54.00 209.50 77.50 12.00 0.00 h 0.00 0.00 356.00
1960 0.00 0.00 0.00 0.00 4.13 a 44.50 255.00 h 121.50 15.50 0.00 0.00 0.00 185.63
1961 0.00 0.00 0.00 0.00 2.50 157.50 283.00 262.00 7.00 0.00 0.00 0.00 712.00
1962 0.00 0.00 0.00 0.00 0.00 55.50 209.50 75.00 41.00 0.00 0.00 0.00 381.00
1963 0.00 0.00 0.00 0.00 a 14.00 63.00 113.50 188.50 78.00 0.00 0.00 0.00 457.00
1964 0.00 0.00 0.00 0.00 8.00 54.50 146.00 75.50 0.00 0.00 0.00 0.00 284.00
1965 0.00 0.00 0.00 0.00 2.50 46.50 197.50 199.00 1.50 0.00 0.00 0.00 f 447.00
1966 0.00 0.00 0.00 0.00 7.00 26.00 105.00 131.50 21.00 0.00 0.00 a 0.00 290.50
1967 0.00 0.00 a 0.00 0.00 1.00 95.50 190.00 254.50 62.50 0.00 0.00 0.00 603.50
1968 0.00 0.00 0.00 0.00 0.50 36.50 234.50 95.50 19.00 0.00 0.00 0.00 386.00
1969 0.00 0.00 0.00 0.00 6.50 139.00 117.00 102.00 31.00 0.00 0.00 0.00 a 395.50
1970 0.00 0.00 0.00 0.00 1.00 129.00 237.00 121.50 6.00 1.00 0.00 a 0.00 495.50
1971 0.00 0.00 0.00 0.00 10.00 13.50 205.50 210.50 0.00 0.00 0.00 0.00 439.50
1972 0.00 0.00 0.00 0.00 11.50 33.50 107.50 134.00 5.50 0.00 0.00 0.00 c 292.00
1973 0.00 0.00 0.00 0.00 12.50 38.50 191.00 143.50 26.50 0.00 0.00 0.00 412.00
1974 0.00 0.00 0.00 0.00 0.00 92.88 d 112.12 a 140.50 22.00 0.00 0.00 0.00 367.50
1975 0.00 0.00 a 0.00 0.00 7.00 17.50 267.00 66.50 19.00 0.00 0.00 a 0.00 377.00
1976 0.00 0.00 0.00 0.00 0.00 u 22.50 125.50 82.00 32.00 0.00 c 0.00 0.00 262.00
1977 0.00 0.00 0.00 22.00 0.00 128.50 85.50 j 288.00 5.50 g 0.00 0.00 0.00 438.50
1978 0.00 0.00 0.00 a 0.50 0.00 63.10 a 180.00 131.50 1.00 0.00 0.00 0.00 376.10
1979 0.00 b 0.00 0.00 0.00 13.50 96.00 268.50 215.50 23.50 o 0.00 0.00 0.00 z 593.50
1980 0.00 0.00 0.00 0.00 0.00 z 7.76 a 188.00 p 174.50 41.00 1.00 0.00 z 0.00 z 224.26
1981 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
1982 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
1983 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
1984 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
1985 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
1986 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
1987 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
1988 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
1989 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
1990 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
1991 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 k 0.00
1992 0.00 i 0.00 j 0.00 i 3.00 42.00 229.50 174.50 256.50 31.50 9.50 i 0.00 0.00 737.00
1993 0.00 k 0.00 0.00 0.00 93.00 57.50 51.00 158.50 92.50 0.00 z 0.00 k 0.00 i 452.50
1994 0.00 l 0.00 k 0.00 4.00 18.00 74.00 359.50 263.00 107.50 0.00 j 0.00 p 0.00 m 826.00
1995 0.00 k 0.00 i 0.00 z 0.00 29.50 0.00 z 245.00 0.00 z 0.00 z 0.00 k 0.00 z 0.00 z 274.50
1996 0.00 z 0.00 i 0.00 z 0.00 3.50 49.00 324.00 245.50 21.50 0.00 0.00 u 0.00 m 643.50
1997 0.00 i 0.00 h 0.00 0.00 i 28.00 k 24.00 i 81.50 o 182.00 l 42.00 0.00 i 0.00 m 0.00 i 42.00
1998 0.00 l 0.00 0.00 i 5.50 5.00 u 39.00 j 310.50 i 215.00 k 88.50 j 0.00 k 0.00 n 0.00 m 5.50
1999 0.00 m 0.00 i 0.00 h 0.00 h 11.00 l 50.50 h 128.00 j 218.00 j 29.00 k 0.00 l 0.00 n 0.00 j 0.00
2000 0.00 k 0.00 i 0.00 i 0.00 j 3.00 i 72.00 i 151.50 j 187.50 h 22.00 k 0.00 j 0.00 z 0.00 l 0.00
2001 0.00 r 0.00 j 0.00 j 0.00 o 0.00 z 23.50 r 191.00 j 308.28 d 49.00 p 0.00 i 0.00 k 0.00 k 308.28
2002 0.00 k 0.00 i 0.00 k 0.00 4.50 k 88.50 k 223.00 k 119.50 l 69.50 0.00 0.00 0.00 69.50
2003 0.00 0.00 0.00 0.00 22.39 d 144.00 0.00 z 300.00 119.50 13.50 0.00 0.00 599.39
2004 0.00 0.00 0.00 0.00 3.44 d 161.00 262.00 h 316.00 40.50 0.00 0.00 0.00 520.94
2005 0.00 0.00 0.00 0.00 e 33.00 0.00 z 0.00 z 0.00 z 0.00 x 0.00 0.00 e 0.00 g 33.00
2006 0.00 0.00 0.00 a 0.00 g 62.00 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 62.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 1.17 18.32 75.44 209.47 173.88 36.61 0.52 0.00 0.00 499.26
S.D. 0.00 0.00 0.00 3.78 23.01 49.65 74.70 71.58 31.33 2.06 0.00 0.00 159.25
SKEW 0.00 0.00 0.00 4.12 1.75 0.89 0.02 0.33 0.95 5.23 0.00 0.00 0.43
MAX 0.00 0.00 0.00 22.00 93.00 229.50 359.50 316.00 119.50 13.50 0.00 0.00 843.00
MIN 0.00 0.00 0.00 0.00 0.00 7.76 51.00 59.50 0.00 0.00 0.00 0.00 260.00
NO YRS 54 56 56 60 56 55 51 57 55 53 54 51 38