PULLMAN 2 NW, WASHINGTON

Monthly Total Cooling Degree Days

(456789)

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
1940 0.00 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 0.00
1941 0.00 0.00 0.00 0.00 0.50 6.00 137.00 105.00 0.00 0.00 0.00 0.00 248.50
1942 0.00 0.00 0.00 0.00 0.50 7.50 65.00 146.00 7.00 0.00 0.00 0.00 226.00
1943 0.00 0.00 0.00 0.00 0.00 0.50 83.50 35.50 14.50 21.00 0.00 0.00 155.00
1944 0.00 0.00 0.00 0.00 1.00 14.50 80.00 36.00 48.00 1.50 0.00 0.00 181.00
1945 0.00 0.00 0.00 0.00 0.00 11.50 80.50 55.00 30.00 0.00 0.00 0.00 177.00
1946 0.00 0.00 0.00 3.00 0.00 4.00 73.50 86.00 6.00 0.00 0.00 0.00 172.50
1947 0.00 0.00 0.00 0.00 10.00 0.00 39.00 27.00 23.50 0.00 0.00 0.00 99.50
1948 0.00 0.00 0.00 0.00 9.00 35.50 35.50 23.50 26.50 1.50 0.00 0.00 131.50
1949 0.00 0.00 0.00 0.00 10.00 16.50 66.50 79.00 28.00 0.00 0.00 0.00 200.00
1950 0.00 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
1951 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 z 112.00 l 39.00 x 0.00 s 4.00 0.00 0.00 4.00
1952 0.00 0.00 0.00 1.00 0.00 10.00 74.00 85.50 27.00 0.00 0.00 0.00 197.50
1953 0.00 0.00 0.00 0.00 0.00 0.00 31.50 66.50 28.97 a 0.00 0.00 0.00 126.97
1954 0.00 0.00 0.00 0.00 4.00 4.00 52.00 16.00 8.00 0.00 0.00 0.00 84.00
1955 0.00 0.00 a 0.00 0.00 0.00 30.00 99.00 50.50 46.50 0.00 0.00 0.00 226.00
1956 0.00 0.00 0.00 0.00 16.50 6.11 c 132.00 93.00 16.55 a 0.00 0.00 0.00 e 264.16
1957 0.00 c 0.00 0.00 0.00 3.50 29.50 38.00 9.50 38.50 0.00 0.00 0.00 h 119.00
1958 0.00 0.00 0.00 0.00 27.50 51.00 163.50 203.00 34.00 2.50 0.00 0.00 481.50
1959 0.00 0.00 0.00 0.00 0.00 11.50 114.50 27.00 23.50 0.00 0.00 0.00 176.50
1960 0.00 a 0.00 0.00 0.00 0.00 1.00 173.00 66.50 18.50 0.00 0.00 0.00 259.00
1961 0.00 0.00 0.00 0.00 0.00 72.50 120.00 202.50 0.00 0.50 0.00 a 0.00 395.50
1962 0.00 0.00 0.00 0.50 0.00 9.31 a 82.50 45.50 15.00 1.00 0.00 0.00 153.81
1963 0.00 0.00 0.00 0.00 0.00 27.00 18.50 97.50 104.00 6.00 0.00 0.00 253.00
1964 0.00 0.00 0.00 0.00 0.00 12.50 70.00 29.50 2.00 0.00 0.00 0.00 114.00
1965 0.00 0.00 0.00 0.00 0.00 0.00 119.00 104.50 0.00 0.00 0.00 a 0.00 223.50
1966 0.00 0.00 0.00 0.00 7.50 2.00 32.50 71.00 31.50 0.00 0.00 0.00 144.50
1967 0.00 0.00 0.00 0.00 0.50 20.00 97.50 190.50 54.50 0.00 0.00 0.00 363.00
1968 0.00 0.00 0.00 0.00 2.50 14.00 123.00 61.50 17.50 0.00 0.00 0.00 218.50
1969 0.00 0.00 0.00 0.00 5.00 58.50 72.50 63.50 44.00 0.00 0.00 0.00 243.50
1970 0.00 0.00 0.00 0.00 5.00 98.50 134.50 121.00 6.00 2.00 0.00 0.00 367.00
1971 0.00 0.00 0.00 0.00 0.00 11.00 118.50 206.50 10.00 2.00 0.00 0.00 a 348.00
1972 0.00 0.00 0.00 0.00 20.00 16.03 a 65.00 157.50 10.00 0.00 0.00 0.00 268.53
1973 0.00 0.00 0.00 0.00 6.50 37.00 117.50 103.50 25.00 0.00 0.00 0.00 289.50
1974 0.00 0.00 0.00 0.00 0.00 51.00 0.00 z 84.50 15.50 0.00 0.00 0.00 151.00
1975 0.00 0.00 0.00 0.00 2.00 7.50 166.00 24.00 14.50 9.00 0.00 0.00 223.00
1976 0.00 0.00 0.00 0.00 0.00 10.50 42.00 49.00 28.50 4.00 0.00 0.00 134.00
1977 0.00 0.00 0.00 14.00 0.00 43.00 88.50 196.00 2.50 0.00 0.00 0.00 344.00
1978 0.00 0.00 0.00 0.00 0.00 15.00 81.00 92.50 10.00 0.00 0.00 0.00 198.50
1979 0.00 0.00 0.00 0.00 5.00 32.00 91.00 63.50 39.50 0.00 0.00 0.00 231.00
1980 0.00 a 0.00 0.00 0.00 a 1.00 0.00 48.50 19.50 8.50 6.50 0.00 0.00 84.00
1981 0.00 0.00 0.00 0.00 4.00 1.50 38.00 141.00 53.00 0.00 0.00 c 0.00 237.50
1982 0.00 0.00 0.00 0.00 0.00 43.00 82.50 84.00 30.50 0.00 0.00 0.00 240.00
1983 0.00 0.00 0.00 0.00 14.50 3.00 37.00 130.50 12.00 0.00 0.00 0.00 197.00
1984 0.00 0.00 0.00 0.00 7.50 19.50 98.50 120.00 19.00 4.50 0.00 0.00 269.00
1985 0.00 0.00 0.00 0.00 11.50 13.00 185.00 49.50 0.00 0.00 0.00 0.00 259.00
1986 0.00 0.00 0.00 0.00 42.50 62.00 35.50 163.50 2.00 0.00 0.00 0.00 305.50
1987 0.00 0.00 0.00 16.00 19.50 54.50 85.00 77.50 42.00 3.50 0.00 0.00 298.00
1988 0.00 0.00 0.00 0.00 6.50 37.50 84.00 87.50 55.00 10.50 0.00 0.00 281.00
1989 0.00 0.00 0.00 0.00 3.50 9.50 80.00 58.00 18.00 0.00 0.00 0.00 169.00
1990 0.00 0.00 0.00 0.00 0.00 24.00 140.00 145.00 71.00 0.00 0.00 0.00 380.00
1991 0.00 0.00 0.00 0.00 0.00 2.50 83.00 152.50 24.50 6.50 0.00 0.00 269.00
1992 0.00 0.00 0.00 0.00 14.00 97.50 83.00 168.50 13.50 11.00 0.00 0.00 387.50
1993 0.00 0.00 0.00 0.00 41.00 33.50 15.00 70.50 26.50 0.00 0.00 0.00 186.50
1994 0.00 0.00 0.00 1.00 6.00 12.00 188.50 137.50 33.00 0.00 0.00 a 0.00 378.00
1995 0.00 0.00 0.00 0.00 5.50 2.00 76.50 52.00 27.50 0.00 0.00 0.00 163.50
1996 0.00 0.00 0.00 z 0.00 0.00 13.00 134.50 150.50 19.50 0.50 0.00 0.00 318.00
1997 0.00 0.00 0.00 z 0.00 5.00 5.50 82.00 162.50 54.50 4.50 0.00 0.00 314.00
1998 0.00 0.00 0.00 0.00 2.50 2.00 220.50 194.50 119.50 0.00 0.00 0.00 539.00
1999 0.00 0.00 0.00 0.00 6.50 11.00 66.00 178.50 5.00 0.00 0.00 0.00 a 267.00
2000 0.00 0.00 0.00 0.00 0.00 6.50 80.00 83.50 11.50 0.00 0.00 a 0.00 181.50
2001 0.00 0.00 0.00 3.00 54.50 33.50 93.50 161.00 46.00 0.00 0.00 0.00 391.50
2002 0.00 0.00 0.00 0.00 0.00 36.00 155.00 54.00 32.50 0.00 0.00 0.00 277.50
2003 0.00 0.00 0.00 0.00 11.50 35.50 161.50 109.50 50.50 4.00 0.00 0.00 372.50
2004 0.00 0.00 0.00 0.00 0.00 34.50 133.00 168.00 11.00 0.00 0.00 0.00 346.50
2005 0.00 0.00 0.00 0.00 6.50 12.00 112.50 122.00 9.00 0.00 0.00 0.00 262.00
2006 0.00 0.00 0.00 0.00 31.50 26.50 172.50 94.50 44.50 0.00 0.00 0.00 369.50
2007 0.00 0.00 0.00 0.00 0.00 28.50 186.00 80.50 13.50 0.00 0.00 0.00 308.50
2008 0.00 0.00 0.00 0.00 20.50 28.00 89.50 120.50 25.50 10.00 0.00 0.00 294.00
2009 0.00 0.00 0.00 0.00 9.00 0.00 z 131.00 159.00 0.00 z 0.00 0.00 0.00 299.00
2010 0.00 0.00 0.00 0.00 2.50 5.00 99.00 114.50 5.50 4.00 0.00 0.00 230.50
2011 0.00 0.00 0.00 0.00 0.00 3.00 35.00 100.50 83.00 0.00 0.00 0.00 221.50
2012 0.00 0.00 a 0.00 2.22 c 4.50 14.50 122.00 121.50 20.00 0.00 0.00 0.00 284.72
2013 0.00 0.00 b 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 0.57 6.69 21.54 95.81 100.09 26.70 1.70 0.00 0.00 251.85
S.D. 0.00 0.00 0.00 2.55 10.86 21.76 46.18 53.25 23.22 3.60 0.00 0.00 93.51
SKEW 0.00 0.00 0.00 5.33 2.50 1.60 0.49 0.29 1.71 3.03 0.00 0.00 0.56
MAX 0.00 0.00 0.00 16.00 54.50 98.50 220.50 206.50 119.50 21.00 0.00 0.00 539.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 15.00 9.50 0.00 0.00 0.00 0.00 84.00
NO YRS 72 72 70 71 70 69 69 70 69 71 72 71 65