OMAK AP, WASHINGTON

Monthly Total Cooling Degree Days

(456123)

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
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 t 0.00 0.00
1910 0.00 b 0.00 c 0.00 m 3.50 26.50 84.00 344.50 166.00 54.83 a 0.00 q 0.00 f 0.00 c 679.33
1911 0.00 0.00 0.00 i 0.00 z 0.00 z 0.00 z 210.00 o 157.50 43.00 1.50 0.00 0.00 a 202.00
1912 0.00 0.00 0.00 0.00 5.50 132.00 169.50 121.50 4.00 0.00 a 0.00 0.00 432.50
1913 0.00 0.00 0.00 0.00 8.50 58.50 186.00 257.00 12.00 0.00 0.00 0.00 522.00
1914 0.00 0.00 0.00 0.00 17.50 75.50 245.50 233.00 12.00 0.00 a 0.00 0.00 583.50
1915 0.00 0.00 0.00 0.00 2.50 43.00 217.50 327.50 13.50 1.50 0.00 0.00 a 605.50
1916 0.00 0.00 0.00 0.00 0.50 61.00 110.00 229.00 22.00 0.00 0.00 0.00 422.50
1917 0.00 0.00 0.00 0.00 0.00 42.00 290.50 318.00 54.50 12.00 0.00 0.00 717.00
1918 0.00 0.00 0.00 0.00 12.00 197.50 274.50 148.00 108.50 1.50 0.00 0.00 742.00
1919 0.00 0.00 0.00 0.00 20.00 64.50 309.00 265.50 21.72 a 0.00 0.00 0.00 680.72
1920 0.00 0.00 0.00 0.00 0.00 69.00 380.50 313.00 47.50 2.00 0.00 0.00 812.00
1921 0.00 0.00 0.00 0.00 12.50 135.00 274.50 269.50 1.50 0.00 0.00 0.00 693.00
1922 0.00 0.00 0.00 0.00 12.50 217.00 367.00 251.50 73.00 0.00 0.00 0.00 921.00
1923 0.00 0.00 0.00 0.00 2.50 68.50 312.50 235.50 61.00 0.50 0.00 0.00 680.50
1924 0.00 0.00 0.00 0.00 92.00 91.00 360.00 227.00 74.50 0.00 0.00 0.00 844.50
1925 0.00 0.00 0.00 2.50 31.50 155.56 c 391.00 201.00 38.00 0.00 0.00 0.00 819.56
1926 0.00 a 0.00 0.00 29.00 25.66 b 245.50 408.50 264.02 a 13.50 0.00 0.00 0.00 a 986.17
1927 0.00 0.00 0.00 3.50 4.50 117.00 368.00 311.00 1.50 0.00 0.00 0.00 805.50
1928 0.00 0.00 0.00 0.00 72.50 131.00 366.00 222.50 39.00 0.00 0.00 0.00 831.00
1929 0.00 0.00 0.00 0.00 17.00 58.50 178.50 212.50 19.50 0.00 0.00 0.00 486.00
1930 0.00 0.00 0.00 0.00 7.50 46.50 270.00 239.00 43.50 0.00 0.00 0.00 606.50
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 0.00 g 51.00 101.50 319.00 g 131.00 l 74.50 f 0.50 0.00 e 0.00 k 153.00
2007 0.00 a 0.00 e 0.00 b 0.00 13.00 70.00 391.00 224.75 a 56.00 0.00 d 0.00 j 0.00 754.75
2008 0.00 a 0.00 0.00 0.00 a 41.00 78.00 270.73 a 237.67 a 25.00 1.00 0.00 a 0.00 653.40
2009 0.00 0.00 0.00 0.00 42.00 0.00 z 330.00 0.00 z 86.00 0.00 0.00 a 0.00 c 458.00
2010 0.00 0.00 0.00 0.00 0.00 g 52.50 d 245.50 153.00 g 12.00 g 2.00 0.00 0.00 z 300.00
2011 0.00 0.00 0.00 0.00 k 0.00 5.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2012 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 h 0.00 0.00 a 0.00
2013 0.00 b 0.00 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 1.29 18.53 82.83 236.58 191.79 37.20 0.64 0.00 0.00 565.80
S.D. 0.00 0.00 0.00 4.46 22.65 52.65 85.98 72.46 30.35 2.17 0.00 0.00 182.30
SKEW 0.00 0.00 0.00 4.62 1.79 1.03 0.02 0.02 0.87 4.78 0.00 0.00 0.23
MAX 0.00 0.00 0.00 29.00 93.00 245.50 408.50 327.50 119.50 13.50 0.00 0.00 986.17
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 81 83 81 84 80 79 75 80 79 78 79 77 58