HALFWAY, OREGON

Monthly Total Cooling Degree Days

(353604)

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
1936 0.00 z 0.00 z 0.00 z 0.00 z 31.50 76.50 246.50 221.50 23.50 0.00 0.00 0.00 599.50
1937 0.00 0.00 0.00 0.00 4.50 54.00 293.00 159.50 98.00 0.00 0.00 0.00 609.00
1938 0.00 0.00 0.00 0.00 4.50 97.50 235.50 128.00 105.00 1.00 0.00 c 0.00 571.50
1939 0.00 0.00 0.00 a 2.00 18.94 d 26.00 247.00 259.00 40.50 0.00 0.00 0.00 593.44
1940 0.00 0.00 z 0.00 x 0.00 9.50 126.00 178.00 227.00 53.50 0.00 0.00 0.00 594.00
1941 0.00 0.00 z 0.00 0.00 10.00 0.00 z 60.50 t 11.00 q 3.00 0.00 0.00 0.00 a 13.00
1942 0.00 0.00 a 0.00 0.00 b 5.50 6.96 b 91.00 p 171.00 19.00 0.00 0.00 0.00 202.46
1943 0.00 0.00 0.00 0.00 b 0.00 z 3.50 148.28 a 77.00 18.00 0.00 a 0.00 0.00 246.78
1944 0.00 0.00 0.00 0.00 9.00 11.50 143.50 67.00 41.00 0.00 0.00 0.00 272.00
1945 0.00 0.00 t 0.00 0.00 a 2.07 a 10.00 133.00 125.00 27.00 0.00 a 0.00 0.00 a 297.07
1946 0.00 0.00 0.00 0.00 0.00 0.00 z 123.00 96.62 a 4.00 0.00 0.00 0.00 223.62
1947 0.00 0.00 0.00 0.00 7.50 0.00 85.00 37.00 5.00 0.00 z 0.00 0.00 134.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 50.50 24.00 2.07 a 0.00 0.00 q 0.00 o 76.57
1949 0.00 f 0.00 0.00 b 0.00 14.39 c 20.00 96.50 97.65 a 26.25 b 0.00 0.00 a 0.00 254.79
1950 0.00 0.00 0.00 0.00 0.00 d 20.00 85.25 a 70.00 35.50 0.00 d 0.00 k 0.00 210.75
1951 0.00 e 0.00 e 0.00 0.00 1.00 2.50 128.50 76.50 3.00 0.00 a 0.00 f 0.00 a 211.50
1952 0.00 a 0.00 a 0.00 0.00 0.00 i 1.50 i 93.00 77.50 b 9.00 0.00 n 0.00 j 0.00 e 179.50
1953 0.00 h 0.00 0.00 f 0.00 0.00 0.00 100.50 85.50 32.59 a 0.00 0.00 c 0.00 218.59
1954 0.00 a 0.00 d 0.00 a 0.00 4.77 e 18.50 m 139.50 23.00 2.07 a 0.00 b 0.00 0.00 169.34
1955 0.00 f 0.00 b 0.00 u 0.00 1.15 d 40.50 146.22 a 70.78 a 42.86 b 0.00 0.00 a 0.00 a 301.51
1956 0.00 0.00 0.00 a 0.00 12.29 b 9.60 e 168.50 64.50 7.50 0.00 a 0.00 a 0.00 262.39
1957 0.00 0.00 0.00 a 0.00 a 1.00 30.50 81.00 38.75 a 10.34 a 0.00 0.00 b 0.00 161.59
1958 0.00 0.00 0.00 0.00 30.50 48.50 138.00 151.00 1.00 0.00 0.00 0.00 369.00
1959 0.00 0.00 0.00 0.00 0.00 46.00 144.00 34.50 10.86 a 0.00 0.00 0.00 235.36
1960 0.00 b 0.00 b 0.00 d 0.00 0.00 b 8.50 162.50 j 55.50 13.45 a 0.00 0.00 0.00 77.45
1961 0.00 0.00 0.00 0.00 1.00 77.50 149.00 203.50 0.00 0.00 0.00 0.00 431.00
1962 0.00 0.00 0.00 0.00 0.00 20.50 92.00 56.00 0.50 0.00 0.00 0.00 169.00
1963 0.00 0.00 0.00 0.00 1.50 26.50 39.50 107.00 44.50 0.00 0.00 0.00 219.00
1964 0.00 0.00 0.00 0.00 0.50 9.50 108.50 56.50 0.00 0.00 0.00 0.00 175.00
1965 0.00 0.00 0.00 0.00 1.00 10.50 116.00 80.50 0.00 0.00 0.00 0.00 208.00
1966 0.00 0.00 0.00 0.00 15.50 9.50 108.50 109.50 36.00 0.00 0.00 0.00 279.00
1967 0.00 0.00 0.00 0.00 2.00 28.50 161.00 178.00 41.00 0.00 0.00 0.00 410.50
1968 0.00 0.00 0.00 0.00 0.00 36.00 154.50 65.50 5.00 0.00 0.00 0.00 261.00
1969 0.00 0.00 0.00 0.00 0.50 38.00 90.50 97.00 18.50 0.00 0.00 0.00 244.50
1970 0.00 0.00 0.00 0.00 0.00 90.00 135.50 108.00 3.00 0.00 0.00 0.00 336.50
1971 0.00 0.00 0.00 0.00 0.50 19.50 163.00 218.00 0.00 0.00 0.00 0.00 401.00
1972 0.00 0.00 0.00 0.00 10.00 25.50 94.50 145.00 1.00 0.00 0.00 0.00 276.00
1973 0.00 0.00 0.00 0.00 9.00 46.50 141.00 91.00 13.00 0.00 0.00 0.00 300.50
1974 0.00 0.00 0.00 0.00 0.00 104.50 119.00 76.50 1.50 0.00 0.00 0.00 301.50
1975 0.00 0.00 0.00 0.00 0.00 7.00 233.00 39.00 7.50 0.00 0.00 0.00 286.50
1976 0.00 0.00 0.00 0.00 0.00 15.50 136.00 36.50 13.50 0.00 0.00 0.00 201.50
1977 0.00 0.00 0.00 0.00 0.00 65.50 120.50 165.50 15.00 0.00 0.00 0.00 366.50
1978 0.00 0.00 0.00 0.00 0.00 8.00 107.50 73.00 17.00 0.00 0.00 0.00 205.50
1979 0.00 0.00 0.00 0.00 3.50 34.50 151.50 96.50 8.50 1.00 0.00 0.00 295.50
1980 0.00 0.00 0.00 0.00 6.50 12.50 102.00 25.50 8.00 0.00 0.00 0.00 154.50
1981 0.00 0.00 0.00 0.00 2.00 10.00 63.00 149.00 22.00 0.00 0.00 0.00 246.00
1982 0.00 0.00 0.00 0.00 0.00 54.00 102.00 111.50 6.50 0.00 0.00 0.00 274.00
1983 0.00 0.00 0.00 0.00 19.00 7.00 73.50 154.50 1.00 0.00 0.00 0.00 255.00
1984 0.00 0.00 0.00 0.00 4.50 18.00 114.50 144.50 12.50 0.00 0.00 0.00 294.00
1985 0.00 0.00 0.00 0.00 2.50 22.50 210.50 42.00 1.50 0.00 0.00 0.00 279.00
1986 0.00 0.00 a 0.00 0.00 44.50 87.50 42.00 133.00 2.00 0.00 0.00 0.00 309.00
1987 0.00 0.00 0.00 2.00 9.50 60.00 91.97 a 46.50 13.45 a 0.00 0.00 0.00 223.41
1988 0.00 b 0.00 c 0.00 0.00 5.50 87.50 118.50 62.00 12.50 0.00 0.00 0.00 286.00
1989 0.00 0.00 0.00 a 0.00 0.00 23.00 131.50 58.00 0.00 0.00 0.00 0.00 212.50
1990 0.00 0.00 0.00 0.00 0.00 42.00 166.50 126.50 47.50 0.00 0.00 0.00 382.50
1991 0.00 0.00 0.00 0.00 0.00 3.00 129.00 159.50 21.50 0.00 0.00 0.00 313.00
1992 0.00 0.00 0.00 0.00 9.00 96.00 63.50 146.00 1.00 0.00 0.00 0.00 315.50
1993 0.00 0.00 0.00 0.00 2.00 8.00 3.00 8.00 0.00 0.00 0.00 0.00 21.00
1994 0.00 0.00 0.00 0.00 4.50 36.00 199.00 127.50 7.00 0.00 0.00 0.00 374.00
1995 0.00 0.00 0.00 0.00 0.00 13.50 93.50 47.00 20.00 0.00 0.00 0.00 174.00
1996 0.00 0.00 0.00 0.00 0.00 26.50 178.00 124.50 11.50 0.00 0.00 0.00 340.50
1997 0.00 0.00 0.00 0.00 7.50 10.50 99.00 102.50 26.50 0.00 0.00 0.00 246.00
1998 0.00 0.00 0.00 0.00 0.00 6.50 253.00 152.00 68.50 0.00 0.00 0.00 480.00
1999 0.00 0.00 0.00 0.00 2.00 38.50 108.50 157.50 0.00 0.00 0.00 0.00 306.50
2000 0.00 0.00 0.00 0.00 4.00 32.50 144.00 116.00 21.00 0.00 0.00 0.00 317.50
2001 0.00 0.00 0.00 0.00 16.50 39.00 158.00 175.50 31.00 0.00 0.00 0.00 420.00
2002 0.00 0.00 0.00 0.00 9.50 86.50 221.00 43.50 11.00 0.00 0.00 0.00 371.50
2003 0.00 0.00 0.00 0.00 28.00 37.50 270.50 170.00 39.00 0.00 0.00 0.00 545.00
2004 0.00 0.00 0.00 0.00 0.00 59.50 183.00 157.50 3.50 0.00 0.00 0.00 403.50
2005 0.00 0.00 0.00 0.00 0.50 20.50 172.50 129.50 8.00 0.00 0.00 0.00 331.00
2006 0.00 0.00 0.00 0.00 17.50 50.50 265.00 79.00 24.50 0.00 0.00 0.00 436.50
2007 0.00 0.00 0.00 0.00 2.00 57.50 333.00 100.50 28.50 0.00 0.00 0.00 521.50
2008 0.00 0.00 0.00 0.00 11.00 44.50 141.50 127.50 1.50 1.50 0.00 0.00 327.50
2009 0.00 0.00 0.00 0.00 12.00 28.00 166.50 140.00 31.50 0.00 0.00 0.00 378.00
2010 0.00 0.00 0.00 0.00 2.00 16.50 104.00 84.00 3.50 0.00 z 0.00 z 0.00 z 210.00
2011 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.00 z 141.00 219.00 62.00 4.50 0.00 0.00 426.50
2012 0.00 0.00 0.00 6.21 a 5.00 54.50 292.00 215.00 16.00 0.00 0.00 0.00 588.71
2013 0.00 0.00 a 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 0.00 0.14 6.03 35.22 142.70 108.88 18.49 0.11 0.00 0.00 320.16
S.D. 0.00 0.00 0.00 0.79 8.60 29.21 63.72 56.97 21.05 0.57 0.00 0.00 119.46
SKEW 0.00 0.00 0.00 6.71 2.23 1.07 0.79 0.46 1.96 6.64 0.00 0.00 0.56
MAX 0.00 0.00 0.00 6.21 44.50 126.00 333.00 259.00 105.00 4.50 0.00 0.00 609.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 3.00 8.00 0.00 0.00 0.00 0.00 21.00
NO YRS 72 72 72 74 73 71 74 76 77 74 72 75 58