PRINEVILLE, OREGON

Monthly Total Cooling Degree Days

(356883)

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
1897 0.00 0.00 0.00 2.00 30.48 a 14.00 27.00 119.00 0.00 e 0.00 c 0.00 e 0.00 192.48
1898 0.00 0.00 0.00 0.00 0.00 9.00 67.00 178.50 4.00 i 0.00 0.00 0.00 254.50
1899 0.00 0.00 0.00 0.00 0.00 3.50 39.00 0.00 4.50 0.00 0.00 0.00 47.00
1900 0.00 0.00 0.00 0.00 0.00 35.00 81.00 0.00 0.00 0.00 0.00 b 0.00 116.00
1901 0.00 0.00 0.00 0.00 0.00 7.00 33.00 208.00 14.00 0.00 0.00 0.00 262.00
1902 0.00 0.00 0.00 0.00 10.50 1.50 55.00 50.00 0.00 0.00 a 0.00 0.00 117.00
1903 0.00 0.00 0.00 z 0.00 z 0.00 z 20.00 q 24.50 21.50 0.00 0.00 0.00 0.00 46.00
1904 0.00 0.00 0.00 0.00 0.00 g 14.50 53.00 76.00 7.50 0.00 0.00 0.00 a 151.00
1905 0.00 0.00 0.00 0.00 0.00 0.00 119.00 53.00 0.52 a 0.00 0.00 0.00 172.52
1906 0.00 0.00 0.00 0.00 0.00 3.50 182.90 a 56.00 6.00 0.00 0.00 0.00 248.40
1907 0.00 0.00 0.00 0.00 0.00 d 9.00 47.03 b 19.24 b 3.50 f 0.00 0.00 a 0.00 75.28
1908 0.00 0.00 g 0.00 0.00 a 0.00 a 2.50 163.00 78.00 8.28 a 0.00 b 0.00 0.00 b 251.78
1909 0.00 0.00 0.00 0.00 a 1.00 12.41 a 25.00 13.50 0.00 0.00 a 0.00 l 0.00 z 51.91
1910 0.00 z 0.00 z 0.00 z 10.34 a 11.00 8.50 90.42 a 12.50 f 3.00 p 0.00 f 0.00 0.00 120.26
1911 0.00 d 0.00 b 0.00 0.00 0.00 10.00 75.50 18.50 0.00 0.00 0.00 0.00 104.00
1912 0.00 0.00 a 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
1913 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 h 81.00 67.50 r 3.75 b 0.00 0.00 a 0.00 84.75
1914 0.00 a 0.00 0.00 0.00 a 3.50 25.71 b 87.00 61.00 l 4.04 d 0.00 0.00 0.00 120.25
1915 0.00 b 0.00 0.00 0.00 a 0.00 3.00 57.35 a 139.50 a 0.00 0.00 a 0.00 b 0.00 c 199.85
1916 0.00 0.00 0.00 0.00 a 0.00 25.50 22.00 64.00 4.00 0.00 0.00 0.00 115.50
1917 0.00 0.00 0.00 0.00 0.00 12.93 a 145.50 81.00 8.50 0.00 0.00 0.00 247.93
1918 0.00 0.00 0.00 0.00 b 0.00 69.00 75.71 e 24.00 12.50 0.00 c 0.00 0.00 181.21
1919 0.00 0.00 0.00 0.00 4.00 5.00 123.50 76.50 0.00 0.00 0.00 0.00 209.00
1920 0.00 0.00 0.00 0.00 0.00 16.07 b 102.41 c 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 118.48
1921 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.50 h 0.00 1.50 0.00 0.00 1.50
1922 0.00 b 0.00 0.00 0.00 a 0.50 42.00 259.00 85.00 0.00 z 0.00 0.00 0.00 386.50
1923 0.00 b 0.00 z 0.00 0.00 0.00 21.00 93.00 71.00 15.50 0.00 0.00 0.00 200.50
1924 0.00 0.00 0.00 0.00 7.00 38.50 97.50 83.50 29.00 i 65.00 0.00 n 0.00 291.50
1925 0.00 0.00 0.00 1.00 5.50 0.00 z 224.50 174.00 0.00 z 0.00 m 0.00 0.00 405.00
1926 0.00 0.00 0.00 z 1.00 f 0.00 35.50 200.50 40.50 0.00 0.00 0.00 a 0.00 a 276.50
1927 0.00 0.00 0.00 0.00 0.50 7.00 0.00 z 35.65 a 0.00 c 0.00 m 0.00 0.00 43.15
1928 0.00 0.00 a 0.00 0.00 14.00 11.00 76.50 18.50 0.00 0.00 0.00 0.00 120.00
1929 0.00 a 0.00 0.00 0.00 0.00 2.00 26.50 26.50 0.00 0.00 0.00 0.00 55.00
1930 0.00 0.00 0.00 0.00 0.00 0.00 24.00 55.00 4.50 0.00 0.00 0.00 a 83.50
1931 0.00 0.00 0.00 0.00 4.50 3.50 48.50 49.00 8.00 0.00 0.00 0.00 113.50
1932 0.00 0.00 0.00 0.00 0.00 20.50 5.50 10.00 3.00 0.00 0.00 0.00 39.00
1933 0.00 0.00 0.00 0.00 0.00 34.50 58.50 51.00 0.00 0.00 0.00 0.00 144.00
1934 0.00 0.00 0.00 0.00 7.50 5.50 38.50 42.50 15.00 c 1.00 0.00 a 0.00 110.00
1935 0.00 0.00 0.00 0.00 0.00 0.00 48.50 31.00 0.00 0.00 0.00 0.00 79.50
1936 0.00 0.00 0.00 0.00 0.00 6.00 46.50 29.00 0.00 0.00 0.00 0.00 81.50
1937 0.00 0.00 0.00 0.00 0.00 23.00 56.50 14.50 0.00 0.00 0.00 0.00 94.00
1938 0.00 0.00 0.00 0.00 1.00 13.00 83.00 3.50 6.50 0.00 0.00 0.00 107.00
1939 0.00 a 0.00 0.00 0.00 11.00 5.00 80.50 22.00 3.00 0.00 0.00 0.00 121.50
1940 0.00 0.00 0.00 0.00 0.00 33.50 23.00 12.50 1.00 0.00 0.00 0.00 70.00
1941 0.00 0.00 0.00 0.00 10.00 4.00 65.00 50.00 0.00 a 0.00 0.00 0.00 129.00
1942 0.00 0.00 a 0.00 0.00 0.00 10.00 66.00 54.00 5.00 0.00 0.00 0.00 135.00
1943 0.00 0.00 0.00 0.00 0.00 0.00 39.50 3.00 5.50 0.00 0.00 0.00 48.00
1944 0.00 0.00 0.00 0.00 0.00 4.00 47.50 8.50 7.50 0.00 0.00 0.00 67.50
1945 0.00 0.00 0.00 0.00 0.00 7.00 58.00 18.50 0.00 0.00 0.00 0.00 83.50
1946 0.00 0.00 0.00 0.00 0.00 2.00 55.50 33.00 0.00 0.00 0.00 0.00 90.50
1947 0.00 0.00 0.00 0.00 5.00 0.00 12.50 21.00 5.00 0.00 0.00 0.00 43.50
1948 0.00 0.00 c 0.00 0.00 1.00 40.50 18.50 8.00 0.00 a 0.00 0.00 0.00 68.00
1949 0.00 0.00 0.00 0.00 0.50 6.00 24.50 25.00 2.50 0.00 a 0.00 a 0.00 58.50
1950 0.00 0.00 0.00 0.00 0.00 a 15.54 b 29.00 27.12 c 14.00 0.00 0.00 0.00 85.66
1951 0.00 b 0.00 0.00 0.00 0.00 5.50 32.50 10.85 a 2.07 a 0.00 0.00 0.00 a 50.92
1952 0.00 0.00 0.00 0.00 0.00 a 0.50 51.00 38.00 10.00 0.00 0.00 0.00 99.50
1953 0.00 a 0.00 0.00 0.00 0.00 0.00 26.50 17.00 16.50 0.00 0.00 0.00 60.00
1954 0.00 0.00 0.00 0.00 1.00 0.00 19.00 4.50 0.00 0.00 a 0.00 0.00 24.50
1955 0.00 0.00 a 0.00 0.00 0.00 15.00 51.50 9.50 27.41 a 0.00 0.00 a 0.00 103.41
1956 0.00 0.00 0.00 0.00 0.00 0.00 a 65.50 24.00 0.00 0.00 0.00 0.00 89.50
1957 0.00 0.00 0.00 0.00 a 2.00 10.34 a 8.50 0.00 3.00 0.00 0.00 0.00 a 23.84
1958 0.00 0.00 0.00 0.00 4.50 47.50 37.50 72.50 3.50 0.00 0.00 0.00 165.50
1959 0.00 0.00 0.00 0.00 0.00 8.00 82.00 1.00 4.00 0.00 0.00 0.00 95.00
1960 0.00 0.00 0.00 0.00 0.00 0.00 99.50 21.00 1.55 a 0.00 a 0.00 0.00 122.05
1961 0.00 0.00 0.00 0.00 0.00 58.50 53.22 a 90.42 a 0.00 0.00 0.00 0.00 202.13
1962 0.00 0.00 0.00 0.00 a 0.00 10.00 47.50 17.00 0.00 0.00 a 0.00 0.00 74.50
1963 0.00 0.00 0.00 0.00 z 0.00 7.50 7.00 0.00 z 27.50 0.00 z 0.00 0.00 42.00
1964 0.00 0.00 0.00 0.00 0.00 z 0.50 43.00 9.50 0.00 0.00 0.00 0.00 53.00
1965 0.00 0.00 0.00 0.00 0.00 4.66 a 82.50 57.50 0.00 0.00 0.00 0.00 144.66
1966 0.00 0.00 0.00 0.00 2.50 17.50 22.50 38.50 11.50 0.00 a 0.00 z 0.00 92.50
1967 0.00 0.00 0.00 0.00 0.00 32.00 63.00 103.50 19.50 0.00 0.00 0.00 a 218.00
1968 0.00 0.00 a 0.00 a 0.00 0.00 21.50 106.50 0.00 z 5.50 0.00 z 0.00 0.00 133.50
1969 0.00 0.00 0.00 0.00 6.50 28.50 34.00 24.50 5.50 0.00 0.00 0.00 99.00
1970 0.00 0.00 0.00 0.00 0.00 b 89.50 97.50 35.50 1.00 0.00 0.00 0.00 223.50
1971 0.00 0.00 0.00 0.00 0.00 5.50 138.50 123.00 0.00 0.00 0.00 0.00 267.00
1972 0.00 0.00 0.00 0.00 8.50 12.00 66.50 89.00 4.50 0.00 0.00 0.00 180.50
1973 0.00 0.00 0.00 0.00 9.76 d 24.00 53.50 38.00 2.00 0.00 0.00 0.00 127.26
1974 0.00 0.00 0.00 0.00 0.00 59.50 77.00 68.50 0.00 0.00 0.00 0.00 205.00
1975 0.00 0.00 0.00 0.00 0.00 7.50 156.00 5.50 1.00 0.00 0.00 0.00 170.00
1976 0.00 0.00 0.00 0.00 0.00 3.50 82.50 33.00 8.00 7.00 0.00 0.00 134.00
1977 0.00 0.00 0.00 0.00 1.50 19.50 68.00 149.00 2.50 0.00 0.00 0.00 240.50
1978 0.00 0.00 0.00 0.00 0.00 7.50 75.00 57.50 2.00 0.00 0.00 0.00 142.00
1979 0.00 0.00 0.00 0.00 2.50 0.00 z 0.00 z 34.00 16.00 1.00 0.00 0.00 53.50
1980 0.00 a 0.00 a 0.00 d 0.00 a 0.00 a 2.00 66.00 7.50 3.00 0.00 0.00 0.00 78.50
1981 0.00 0.00 0.00 0.00 0.00 2.00 42.00 102.50 22.50 0.50 0.00 0.00 169.50
1982 0.00 0.00 0.00 0.00 0.00 27.00 58.00 46.00 3.00 0.00 0.00 0.00 134.00
1983 0.00 0.00 0.00 0.00 16.00 3.00 32.00 72.00 0.00 0.00 0.00 0.00 a 123.00
1984 0.00 0.00 0.00 0.00 3.10 a 14.50 78.50 45.00 8.50 0.00 0.00 0.00 149.60
1985 0.00 0.00 0.00 0.00 0.00 15.50 129.00 27.00 0.00 0.00 0.00 0.00 171.50
1986 0.00 0.00 a 0.00 0.00 44.50 61.50 13.00 93.50 1.00 0.00 0.00 0.00 213.50
1987 0.00 0.00 0.00 0.00 a 9.50 51.00 27.50 32.00 0.00 z 0.00 z 0.00 0.00 b 120.00
1988 0.00 0.00 0.00 0.00 3.00 51.50 88.00 24.50 17.00 0.00 0.00 0.00 184.00
1989 0.00 0.00 0.00 0.00 0.00 3.50 41.50 23.50 0.00 0.00 0.00 0.00 68.50
1990 0.00 0.00 0.00 0.00 0.00 34.00 130.50 108.50 19.00 0.00 0.00 0.00 292.00
1991 0.00 0.00 0.00 0.00 0.00 2.00 81.00 117.00 7.50 0.00 0.00 0.00 207.50
1992 0.00 0.00 0.00 0.00 8.50 69.00 58.00 90.00 2.50 0.00 0.00 0.00 228.00
1993 0.00 0.00 0.00 0.00 4.00 12.00 3.00 30.00 13.00 0.00 0.00 0.00 62.00
1994 0.00 0.00 0.00 0.00 0.00 17.00 110.50 48.00 1.50 0.00 0.00 0.00 177.00
1995 0.00 0.00 0.00 0.00 0.00 7.00 58.00 22.50 27.50 0.00 0.00 0.00 a 115.00
1996 0.00 0.00 a 0.00 0.00 0.00 7.50 143.50 95.00 1.50 0.00 0.00 0.00 247.50
1997 0.00 0.00 a 0.00 0.00 7.50 0.00 28.00 69.00 1.50 0.00 0.00 0.00 106.00
1998 0.00 0.00 0.00 0.00 0.00 1.50 151.00 101.00 56.00 0.00 0.00 0.00 309.50
1999 0.00 0.00 a 0.00 0.00 i 1.00 12.86 b 49.37 d 87.32 a 0.00 0.00 c 0.00 c 0.00 a 150.54
2000 0.00 c 0.00 b 0.00 c 0.00 0.00 d 14.50 f 0.00 z 0.00 z 11.90 a 0.00 c 0.00 j 0.00 z 11.90
2001 0.00 z 0.00 h 0.00 i 0.00 z 12.50 o 9.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 s 0.00 z 0.00 l 0.00 1.50 k 25.00 k 134.50 51.50 21.00 i 0.00 z 0.00 z 0.00 k 186.00
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.00 k 101.00 j 57.50 h 14.00 o 0.00 l 0.00 o 0.00 o 0.00
2004 0.00 l 0.00 k 0.00 k 0.00 f 0.00 j 28.50 g 98.00 f 86.50 j 3.00 m 0.00 o 0.00 p 0.00 q 0.00
2005 0.00 k 0.00 k 0.00 h 0.00 j 0.00 i 0.00 g 79.00 k 57.00 h 2.00 i 0.00 k 0.00 j 0.00 q 0.00
2006 0.00 l 0.00 j 0.00 k 0.00 j 19.50 i 41.50 k 103.50 j 67.37 e 37.00 i 0.00 j 0.00 n 0.00 t 67.37
2007 0.00 k 0.00 i 0.00 k 0.00 l 0.00 o 18.50 i 108.00 i 52.00 h 9.00 l 0.00 j 0.00 m 0.00 r 0.00
2008 0.00 r 0.00 j 0.00 k 0.00 k 11.50 j 0.00 r 65.00 o 71.00 k 25.50 k 7.50 k 0.00 q 0.00 t 0.00
2009 0.00 0.00 h 0.00 l 0.00 j 26.50 j 10.50 174.50 134.00 45.50 0.00 0.00 0.00 364.50
2010 0.00 0.00 0.00 0.00 0.50 3.00 126.50 85.00 21.50 8.50 0.00 0.00 245.00
2011 0.00 0.00 0.00 0.00 0.00 14.00 41.00 127.50 103.00 1.50 0.00 0.00 287.00
2012 0.00 0.00 0.00 7.00 9.00 16.50 109.50 180.50 46.50 0.00 0.00 0.00 369.00
2013 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
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.20 2.68 15.97 71.20 53.85 7.65 0.86 0.00 0.00 141.24
S.D. 0.00 0.00 0.00 1.25 6.20 18.14 48.53 44.97 14.10 6.57 0.00 0.00 74.14
SKEW 0.00 0.00 0.00 7.01 4.22 1.76 1.33 1.21 4.06 9.45 0.00 0.00 0.70
MAX 0.00 0.00 0.00 10.34 44.50 89.50 259.00 208.00 103.00 65.00 0.00 0.00 369.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 3.00 0.00 0.00 0.00 0.00 0.00 23.84
NO YRS 107 103 103 102 102 101 104 101 99 100 102 104 81