POMEROY, WASHINGTON

Monthly Total Cooling Degree Days

(456610)

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
1891 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 1.00 h 0.00 z 0.00 0.00
1892 0.00 0.00 z 0.00 0.00 0.00 z 115.50 184.50 264.00 129.50 40.50 0.00 z 0.00 z 734.00
1893 0.00 z 0.00 z 0.00 z 0.00 0.00 z 18.00 202.50 0.00 z 85.50 0.00 0.00 0.00 g 306.00
1894 0.00 0.00 0.00 2.00 61.00 63.00 0.00 z 239.50 20.50 0.00 z 0.00 z 0.00 z 386.00
1895 0.00 z 0.00 z 0.00 z 0.00 z 19.00 0.00 z 190.50 223.00 0.00 z 16.50 0.00 0.00 449.00
1896 0.00 z 0.00 z 0.00 0.00 z 23.50 185.00 492.00 294.50 72.50 10.33 a 0.00 0.00 a 1077.83
1897 0.00 0.00 0.00 z 21.50 0.00 z 78.50 213.50 437.00 76.00 1.50 0.00 z 0.00 828.00
1898 0.00 z 0.00 z 0.00 5.50 16.50 114.50 316.50 470.00 119.00 0.00 0.00 0.00 1042.00
1899 0.00 0.00 a 0.00 1.50 9.50 114.00 498.00 159.00 171.50 5.00 0.00 0.00 958.50
1900 0.00 0.00 0.00 0.50 26.50 151.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 178.00
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 304.00 1.03 a 1.00 0.00 0.00 306.03
1902 0.00 0.00 0.00 a 0.00 16.50 52.50 157.00 161.50 54.00 0.50 0.00 0.00 442.00
1903 0.00 0.00 0.00 1.50 24.50 140.50 150.00 153.00 8.50 0.00 0.00 0.00 478.00
1904 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 z 0.00
1905 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
1906 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
1907 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 z 0.00 z 0.00
1908 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
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 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 0.00 z 0.00 z 0.00 z 0.00 z 6.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.00
1926 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
1927 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
1928 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 301.50 111.50 l 0.00 z 0.00 z 0.00 z 0.00 z 301.50
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 80.00 s 34.00 5.00 0.00 0.00 39.00
1930 0.00 0.00 0.00 0.00 4.13 a 39.50 211.00 188.50 46.50 0.00 0.00 z 0.00 z 489.63
1931 0.00 z 0.00 0.00 0.00 37.50 72.50 177.50 146.00 39.83 a 0.50 0.00 0.00 473.83
1932 0.00 0.00 a 0.00 0.00 3.10 a 74.00 106.00 0.00 z 30.50 0.00 0.00 0.00 213.60
1933 0.00 0.00 0.00 b 0.00 2.14 b 59.50 146.50 0.00 z 0.00 z 0.00 a 0.00 a 0.00 208.14
1934 0.00 0.00 d 0.00 i 3.50 42.62 c 35.00 c 152.42 a 117.50 26.79 b 12.06 d 0.00 b 0.00 389.88
1935 0.00 0.00 0.00 0.00 7.00 39.50 151.50 98.50 49.00 7.50 0.00 0.00 353.00
1936 0.00 0.00 0.00 16.00 53.00 80.00 165.50 111.50 18.00 0.00 0.00 0.00 444.00
1937 0.00 0.00 0.00 0.00 16.50 47.00 183.00 92.00 48.50 0.00 0.00 0.00 387.00
1938 0.00 0.00 0.00 0.00 12.50 81.50 225.00 81.50 124.50 3.50 0.00 0.00 528.50
1939 0.00 0.00 0.00 6.00 30.00 43.00 174.50 148.00 51.50 0.00 0.00 0.00 453.00
1940 0.00 0.00 0.00 0.00 a 33.50 119.50 180.50 111.50 66.50 1.00 0.00 0.00 512.50
1941 0.00 0.00 0.00 0.00 12.00 38.00 195.50 132.50 2.00 0.00 0.00 0.00 380.00
1942 0.00 0.00 0.00 3.00 7.50 7.50 156.50 187.00 18.50 0.00 0.00 0.00 380.00
1943 0.00 b 0.00 0.00 3.62 a 1.00 19.00 181.00 86.50 34.50 23.25 a 0.00 0.00 348.87
1944 0.00 0.00 0.00 0.52 a 11.00 43.00 208.50 109.50 91.50 0.00 0.00 0.00 464.02
1945 0.00 0.00 0.00 0.00 8.78 a 28.97 a 186.00 138.50 5.69 a 0.00 0.00 0.00 367.94
1946 0.00 0.00 7.48 b 3.50 0.00 15.00 177.73 a 177.22 a 33.00 0.00 0.00 0.00 413.93
1947 0.00 0.00 0.00 0.00 53.50 27.00 194.00 91.50 f 61.00 0.00 0.00 0.00 d 335.50
1948 0.00 a 0.00 0.00 c 0.00 16.00 98.50 95.50 106.50 58.00 0.00 0.00 0.00 374.50
1949 0.00 g 0.00 0.00 0.00 51.50 64.50 182.00 170.50 62.50 0.00 0.00 0.00 531.00
1950 0.00 0.00 0.00 0.00 c 7.50 43.50 178.50 158.00 57.00 0.00 0.00 0.00 444.50
1951 0.00 0.00 0.00 0.00 10.00 17.00 184.50 153.00 39.50 0.00 0.00 0.00 404.00
1952 0.00 0.00 0.00 6.00 13.36 b 0.00 z 209.00 171.50 77.50 0.00 0.00 0.00 477.36
1953 0.00 0.00 0.00 1.50 7.00 1.00 134.50 152.50 70.50 0.50 0.00 0.00 367.50
1954 0.00 0.00 0.00 0.00 10.00 17.00 116.50 71.00 27.50 1.50 0.00 0.00 243.50
1955 0.00 0.00 0.00 0.00 0.00 72.50 157.50 140.50 68.79 a 0.00 0.00 0.00 439.29
1956 0.00 0.00 b 0.00 4.50 45.50 34.50 204.00 150.00 43.50 0.00 0.00 0.00 482.00
1957 0.00 0.00 a 0.00 1.00 6.50 69.00 114.50 53.00 62.00 0.00 0.00 0.00 306.00
1958 0.00 b 0.00 0.00 0.00 59.93 a 106.50 239.50 246.50 41.00 3.50 0.00 0.00 a 696.93
1959 0.00 0.00 0.00 n 0.00 2.58 a 31.55 a 181.87 a 50.00 21.50 0.00 0.00 0.00 a 287.50
1960 0.00 0.00 a 0.00 0.00 m 0.50 q 32.00 287.50 114.50 24.50 2.50 0.00 0.00 461.00
1961 0.00 0.00 0.00 e 0.00 5.17 a 138.50 212.00 259.00 2.00 0.00 0.00 0.00 a 616.67
1962 0.00 0.00 0.00 1.50 0.00 36.00 154.50 89.50 34.00 0.50 0.00 0.00 316.00
1963 0.00 0.00 0.00 0.00 7.50 59.00 63.00 144.00 123.00 5.50 0.00 0.00 402.00
1964 0.00 0.00 0.00 0.00 3.00 32.50 172.50 67.50 6.50 0.00 0.00 0.00 282.00
1965 0.00 0.00 z 0.00 z 4.00 8.50 26.90 a 246.97 a 213.00 1.50 1.00 0.00 e 0.00 501.86
1966 0.00 0.00 0.00 0.00 28.50 20.00 133.50 145.00 f 82.50 d 0.00 e 0.00 d 0.00 264.50
1967 0.00 0.00 0.00 0.00 4.00 117.32 b 250.00 342.00 163.00 0.00 0.00 h 0.00 876.32
1968 0.00 0.00 0.00 1.00 13.00 79.00 269.50 124.50 50.00 1.50 0.00 a 0.00 538.50
1969 0.00 0.00 0.00 0.00 11.00 147.00 162.00 132.50 81.00 0.00 b 0.00 0.00 533.50
1970 0.00 0.00 0.00 0.00 19.00 193.50 286.50 222.74 d 13.00 g 2.00 g 0.00 0.00 721.74
1971 0.00 0.00 0.00 0.00 11.50 25.00 g 290.33 e 329.00 21.43 b 10.50 k 0.00 l 0.00 j 652.26
1972 0.00 j 0.00 0.00 0.00 42.88 a 68.50 195.00 250.07 a 15.00 0.00 0.00 0.00 571.45
1973 0.00 0.00 0.00 0.00 44.00 110.50 249.50 208.50 57.50 0.00 i 0.00 0.00 a 670.00
1974 0.00 b 0.00 0.00 0.00 0.00 e 148.50 0.00 z 162.50 44.00 0.00 0.00 0.00 a 355.00
1975 0.00 a 0.00 0.00 c 0.00 12.83 b 26.38 a 336.50 112.50 44.42 d 15.50 0.00 d 0.00 a 548.13
1976 0.00 g 0.00 0.00 0.00 12.50 37.00 217.50 127.50 93.50 6.50 0.00 0.00 i 494.50
1977 0.00 0.00 0.00 41.50 0.00 149.50 197.00 308.50 18.50 0.00 0.00 0.00 715.00
1978 0.00 d 0.00 0.00 0.00 5.17 a 100.50 235.50 186.50 37.00 0.00 0.00 0.00 564.67
1979 0.00 0.00 0.00 0.00 18.00 103.50 264.00 213.38 a 100.00 4.00 0.00 0.00 a 702.88
1980 0.00 0.00 a 0.00 2.00 7.50 17.50 199.00 88.00 53.50 12.50 0.00 0.00 380.00
1981 0.00 0.00 0.00 8.50 10.00 22.50 168.50 291.00 100.50 0.00 a 0.00 a 0.00 601.00
1982 0.00 0.00 0.00 0.00 2.00 141.50 189.50 217.00 61.00 0.00 0.00 0.00 611.00
1983 0.00 0.00 0.00 0.00 69.50 52.50 156.50 287.00 22.00 0.00 0.00 0.00 587.50
1984 0.00 0.00 0.00 1.00 11.50 54.00 234.50 241.50 46.00 7.23 a 0.00 0.00 595.73
1985 0.00 b 0.00 j 0.00 c 0.00 5.50 107.00 394.00 198.50 14.50 0.00 0.00 l 0.00 l 719.50
1986 0.00 j 0.00 0.00 a 0.50 94.50 184.50 136.00 331.00 33.50 0.00 0.00 o 0.00 780.00
1987 0.00 0.00 0.00 21.50 51.00 94.00 145.18 a 102.50 k 82.50 0.00 o 0.00 n 0.00 z 394.18
1988 0.00 p 0.00 i 0.00 4.00 28.50 96.00 180.00 129.00 80.00 0.50 0.00 0.00 518.00
1989 0.00 0.00 0.00 0.00 3.00 78.00 194.00 136.00 49.00 0.00 0.00 0.00 460.00
1990 0.00 0.00 0.00 0.00 11.50 109.50 341.50 232.50 79.50 1.00 0.00 0.00 775.50
1991 0.00 0.00 0.00 a 0.00 0.00 14.50 j 220.00 210.50 k 40.50 j 6.50 0.00 0.00 m 226.50
1992 0.00 i 0.00 j 0.00 i 3.50 k 12.50 m 167.50 149.00 244.00 42.93 a 14.50 i 0.00 i 0.00 c 603.43
1993 0.00 p 0.00 i 0.00 0.00 72.50 67.50 37.50 74.50 34.00 1.50 0.00 0.00 a 287.50
1994 0.00 0.00 0.00 8.04 b 21.50 46.00 237.00 173.50 46.50 0.00 0.00 c 0.00 532.54
1995 0.00 0.00 0.00 0.00 5.50 16.00 122.00 73.00 38.50 0.00 0.00 0.00 255.00
1996 0.00 0.00 z 0.00 0.00 0.00 21.50 183.00 178.00 9.00 0.50 0.00 0.00 392.00
1997 0.00 0.00 0.00 0.00 z 12.50 18.50 133.00 191.50 62.59 a 6.00 0.00 0.00 424.09
1998 0.00 0.00 0.00 7.00 0.00 19.00 268.00 200.00 100.00 0.00 0.00 0.00 a 594.00
1999 0.00 0.00 0.00 0.00 5.50 29.42 d 130.50 186.50 1.00 0.00 0.00 a 0.00 b 352.92
2000 0.00 a 0.00 0.00 0.00 1.00 21.11 c 111.50 96.62 a 15.50 0.00 0.00 0.00 245.73
2001 0.00 a 0.00 0.00 1.00 26.50 17.59 a 96.50 150.50 39.44 c 0.00 a 0.00 0.00 e 331.53
2002 0.00 0.00 0.00 0.00 0.00 52.00 187.50 69.50 26.00 0.00 0.00 0.00 335.00
2003 0.00 0.00 0.00 0.00 15.00 50.50 217.00 107.50 f 65.50 2.00 0.00 a 0.00 350.00
2004 0.00 0.00 z 0.00 0.00 0.00 70.50 165.00 161.50 1.80 e 0.00 0.00 0.00 398.80
2005 0.00 0.00 0.00 0.00 9.00 14.00 122.00 124.53 b 0.00 e 0.00 0.00 a 0.00 a 269.53
2006 0.00 0.00 0.00 0.00 31.50 39.50 237.00 87.12 b 19.80 e 0.00 0.00 0.00 414.92
2007 0.00 0.00 0.00 0.00 0.00 32.50 195.41 c 55.36 c 1.73 d 1.00 0.00 0.00 286.00
2008 0.00 0.00 0.00 0.00 14.47 a 33.50 114.00 133.41 c 12.86 b 2.00 0.00 0.00 a 310.23
2009 0.00 0.00 b 0.00 0.00 7.75 a 22.50 162.75 a 144.50 22.50 h 0.00 c 0.00 0.00 337.50
2010 0.00 0.00 0.00 0.00 z 4.00 0.00 z 0.00 z 0.00 z 2.00 0.00 0.00 0.00 6.00
2011 0.00 0.00 0.00 0.00 a 0.50 7.78 c 34.74 b 97.13 a 53.50 0.00 0.00 0.00 193.65
2012 0.00 b 0.00 c 0.00 0.00 2.00 15.52 a 139.50 111.00 2.14 b 0.00 0.00 a 0.00 270.16
2013 0.00 0.00 0.00 a 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 0.09 2.08 17.10 65.20 194.52 171.37 48.28 2.37 0.00 0.00 449.83
S.D. 0.00 0.00 0.80 5.80 19.35 47.40 76.93 83.18 36.53 5.82 0.00 0.00 151.81
SKEW 0.00 0.00 9.22 4.66 1.71 0.89 1.42 1.15 1.01 4.16 0.00 0.00 0.89
MAX 0.00 0.00 7.48 41.50 94.50 193.50 498.00 470.00 171.50 40.50 0.00 0.00 958.50
MIN 0.00 0.00 0.00 0.00 0.00 1.00 34.74 50.00 0.00 0.00 0.00 0.00 193.65
NO YRS 85 84 88 88 90 89 91 85 90 89 86 88 54