WAPATO, WASHINGTON

Monthly Total Cooling Degree Days

(458959)

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
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 0.00 b 0.00 b 0.00
1916 0.00 0.00 a 0.00 0.00 2.50 69.50 99.50 199.50 36.00 0.00 b 0.00 0.00 407.00
1917 0.00 a 0.00 a 0.00 a 0.00 d 0.00 43.50 277.40 b 244.26 b 33.00 4.00 0.00 0.00 602.16
1918 0.00 z 0.00 0.00 0.00 2.00 82.00 156.00 110.50 81.00 2.00 0.00 a 0.00 433.50
1919 0.00 0.00 0.00 3.00 10.50 44.00 254.50 194.50 20.50 0.00 0.00 0.00 a 527.00
1920 0.00 0.00 0.00 2.50 1.03 a 55.00 279.00 225.00 23.00 0.00 0.00 0.00 585.53
1921 0.00 0.00 0.00 0.00 22.50 76.00 194.00 196.50 0.50 0.00 0.00 0.00 489.50
1922 0.00 0.00 0.00 0.00 30.50 194.50 286.50 195.50 77.00 0.00 z 0.00 z 0.00 z 784.00
1923 0.00 z 0.00 z 0.00 z 0.00 9.96 c 70.00 222.17 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 302.13
1924 0.00 k 0.00 a 0.00 0.00 g 138.00 110.50 281.00 181.72 b 88.00 0.00 c 0.00 0.00 b 799.22
1925 0.00 0.00 0.00 a 7.50 57.00 210.50 435.50 271.50 69.00 0.00 0.00 0.00 1051.00
1926 0.00 0.00 a 0.00 26.25 b 6.00 147.00 331.50 143.50 4.00 g 0.00 0.00 0.00 654.25
1927 0.00 0.00 0.00 8.00 16.50 108.00 318.00 252.00 10.50 0.00 a 0.00 0.00 713.00
1928 0.00 0.00 0.00 a 0.00 b 0.00 z 113.50 372.00 b 225.27 a 69.50 0.00 0.00 0.00 780.27
1929 0.00 i 0.00 0.00 0.00 50.50 89.50 254.50 307.50 57.93 a 2.00 0.00 0.00 761.93
1930 0.00 0.00 0.00 a 5.00 10.85 a 59.00 353.50 313.50 54.00 3.00 0.00 0.00 798.85
1931 0.00 a 0.00 0.00 19.50 100.50 88.45 a 337.50 302.25 a 56.90 a 1.55 a 0.00 0.00 b 906.64
1932 0.00 a 0.00 0.00 0.00 l 12.50 206.50 177.50 231.98 a 56.00 6.00 0.00 0.00 690.48
1933 0.00 0.00 0.00 3.50 12.00 134.50 321.50 282.62 a 13.50 5.50 0.00 0.00 773.12
1934 0.00 0.00 0.00 57.00 118.50 187.50 271.25 a 283.50 75.00 a 3.00 0.00 0.00 995.75
1935 0.00 0.00 0.00 0.00 33.00 90.00 292.00 196.50 115.50 8.00 0.00 0.00 a 735.00
1936 0.00 0.00 0.00 25.71 b 98.50 165.00 323.00 307.50 67.24 a 0.00 0.00 0.00 986.96
1937 0.00 0.00 0.00 0.00 27.50 131.50 363.50 151.50 118.00 0.50 0.00 0.00 792.50
1938 0.00 0.00 0.00 4.82 b 63.50 211.00 412.00 207.50 156.00 0.00 0.00 0.00 1054.82
1939 0.00 0.00 a 0.50 5.00 46.50 b 73.50 308.50 281.50 57.00 0.00 0.00 n 0.00 p 772.50
1940 0.00 b 0.00 0.00 0.00 81.78 b 223.00 325.00 297.27 c 108.50 6.50 0.00 b 0.00 1042.04
1941 0.00 0.00 0.00 8.50 44.50 114.50 473.00 282.00 11.00 0.00 0.00 0.00 933.50
1942 0.00 0.00 0.00 8.00 21.00 76.50 366.00 382.16 b 101.00 1.50 0.00 0.00 956.16
1943 0.00 0.00 b 0.00 20.00 26.00 97.00 340.50 199.50 131.50 22.50 0.00 0.00 837.00
1944 0.00 0.00 0.00 4.00 51.50 124.00 344.00 234.50 149.00 3.50 0.00 0.00 910.50
1945 0.00 0.00 0.00 0.00 61.00 123.00 328.82 c 289.50 f 47.22 c 5.68 a 0.00 0.00 565.73
1946 0.00 a 0.00 0.00 a 3.50 36.88 b 91.11 c 304.00 282.50 34.00 0.00 0.00 0.00 751.99
1947 0.00 0.00 0.00 9.00 116.25 e 101.67 c 261.95 a 197.50 79.50 7.00 0.00 a 0.00 a 772.87
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 244.14 a 210.80 a 145.18 a 50.17 a 0.00 f 0.00 0.00 650.29
1949 0.00 0.00 0.00 8.00 123.48 a 133.97 a 263.50 245.42 a 94.82 b 0.00 a 0.00 b 0.00 869.19
1950 0.00 0.00 0.00 k 0.00 g 17.50 124.50 306.50 306.38 a 122.00 0.00 0.00 0.00 876.88
1951 0.00 0.00 0.00 2.00 40.00 144.00 323.50 260.50 76.00 0.00 0.00 0.00 846.00
1952 0.00 0.00 0.00 e 14.46 b 42.50 105.00 315.68 a 235.17 b 97.50 2.50 0.00 0.00 812.82
1953 0.00 0.00 0.00 b 0.00 13.95 a 26.00 243.87 a 199.50 85.00 0.00 0.00 e 0.00 568.32
1954 0.00 0.00 0.00 0.00 47.00 65.36 b 194.00 119.50 20.00 0.00 0.00 0.00 i 445.86
1955 0.00 u 0.00 l 0.00 b 0.00 d 5.74 d 101.50 g 184.00 223.50 94.00 0.00 0.00 0.00 507.24
1956 0.00 a 0.00 0.00 12.50 102.50 51.50 335.00 249.55 a 50.00 0.00 0.00 0.00 801.05
1957 0.00 0.00 0.00 11.00 69.50 136.00 181.50 137.50 87.00 0.00 b 0.00 0.00 622.50
1958 0.00 0.00 0.00 0.00 157.50 248.50 415.50 356.00 47.00 0.50 0.00 0.00 1225.00
1959 0.00 0.00 0.00 0.00 22.00 106.50 324.00 143.00 24.00 0.00 0.00 0.00 619.50
1960 0.00 0.00 0.00 6.50 16.50 157.50 448.95 c 195.00 57.00 2.07 a 0.00 0.00 883.51
1961 0.00 0.00 0.00 0.00 31.50 264.00 384.50 413.00 25.50 0.00 0.00 0.00 1118.50
1962 0.00 0.00 0.00 11.50 6.00 137.00 285.50 137.00 85.50 0.00 0.00 0.00 662.50
1963 0.00 0.00 0.00 0.00 64.00 128.00 131.50 i 269.00 151.00 2.00 0.00 0.00 614.00
1964 0.00 0.00 0.00 0.00 35.00 83.00 239.50 142.00 19.50 0.00 0.00 0.00 519.00
1965 0.00 0.00 0.00 1.00 38.50 140.50 309.50 278.00 27.00 0.50 0.00 0.00 795.00
1966 0.00 0.00 0.00 1.50 84.00 85.00 226.00 275.00 94.50 0.00 0.00 0.00 766.00
1967 0.00 0.00 0.00 0.00 34.50 191.00 327.00 387.50 148.50 4.50 0.00 0.00 1093.00
1968 0.00 0.00 0.00 2.50 19.00 138.00 356.00 170.00 70.50 4.00 0.00 0.00 760.00
1969 0.00 0.00 0.00 0.00 69.50 247.00 238.00 163.00 69.50 0.00 0.00 0.00 787.00
1970 0.00 0.00 0.00 0.00 25.00 260.50 334.00 278.00 16.00 0.00 0.00 0.00 913.50
1971 0.00 0.00 0.00 0.00 77.50 40.00 365.50 405.50 11.50 5.00 0.00 0.00 905.00
1972 0.00 0.00 0.00 0.00 103.50 165.00 315.00 336.50 48.50 0.00 0.00 0.00 968.50
1973 0.00 0.00 0.00 0.00 103.50 173.50 398.00 299.00 92.50 0.00 0.00 0.00 1066.50
1974 0.00 0.00 0.00 0.00 6.50 248.50 267.00 321.00 90.50 0.00 0.00 0.00 933.50
1975 0.00 0.00 0.00 0.00 34.62 a 106.50 425.00 192.50 92.50 1.00 0.00 0.00 852.12
1976 0.00 0.00 0.00 0.00 26.00 76.50 275.50 197.50 125.00 6.50 0.00 0.00 707.00
1977 0.00 0.00 0.00 33.50 1.50 270.50 293.00 448.50 38.50 0.00 0.00 0.00 1085.50
1978 0.00 0.00 0.00 0.00 8.50 199.00 329.50 225.00 21.50 0.00 0.00 0.00 783.50
1979 0.00 0.00 0.00 6.00 77.00 195.50 390.00 292.00 119.00 5.00 0.00 0.00 1084.50
1980 0.00 0.00 b 0.00 g 3.50 19.00 45.00 d 303.00 172.50 71.00 4.50 0.00 b 0.00 l 618.50
1981 0.00 c 0.00 a 0.00 3.46 d 26.00 47.50 214.50 326.00 83.50 0.00 0.00 0.00 a 700.96
1982 0.00 0.00 0.00 0.00 19.50 196.50 239.00 210.50 47.50 0.00 0.00 0.00 713.00
1983 0.00 0.00 0.00 0.00 106.50 59.00 156.50 248.00 12.00 0.00 0.00 0.00 582.00
1984 0.00 0.00 0.00 0.00 17.00 74.50 270.00 198.50 40.50 0.00 0.00 a 0.00 600.50
1985 0.00 0.00 0.00 0.50 88.00 138.00 460.50 190.50 16.50 0.00 0.00 0.00 894.00
1986 0.00 0.00 0.00 3.00 108.00 225.00 165.00 343.50 43.50 0.00 0.00 0.00 888.00
1987 0.00 0.00 0.00 22.50 84.00 183.00 234.50 221.50 115.00 1.50 0.00 0.00 862.00
1988 0.00 0.00 0.00 6.50 27.50 137.00 287.00 211.50 67.50 24.50 0.00 0.00 761.50
1989 0.00 z 0.00 0.00 2.00 24.00 161.00 246.50 174.50 44.50 0.00 0.00 0.00 652.50
1990 0.00 0.00 0.00 3.50 3.50 133.00 370.50 282.00 135.50 0.00 0.00 0.00 928.00
1991 0.00 0.00 0.00 1.50 1.00 48.50 280.50 312.00 78.50 2.00 0.00 0.00 724.00
1992 0.00 0.00 0.00 6.50 84.00 262.00 241.00 275.50 39.50 7.00 0.00 0.00 915.50
1993 0.00 0.00 0.00 0.00 97.50 93.50 74.50 187.00 87.00 5.00 0.00 0.00 544.50
1994 0.00 0.00 0.00 16.50 56.50 96.50 397.50 262.00 92.00 2.00 0.00 0.00 923.00
1995 0.00 0.00 0.00 0.00 44.50 97.00 255.00 123.50 103.50 0.00 0.00 0.00 623.50
1996 0.00 0.00 0.00 4.50 6.00 77.50 321.50 203.50 28.50 1.00 0.00 0.00 642.50
1997 0.00 0.00 0.00 0.00 60.50 70.00 216.00 291.50 64.50 0.00 0.00 0.00 702.50
1998 0.00 0.00 0.00 5.50 0.00 z 109.00 427.50 298.50 149.00 0.00 0.00 0.00 989.50
1999 0.00 b 0.00 0.00 1.50 31.50 99.50 195.00 300.00 0.00 z 0.00 0.00 0.00 627.50
2000 0.00 0.00 a 0.00 2.50 15.00 123.50 255.00 236.00 68.00 0.00 a 0.00 0.00 700.00
2001 0.00 0.00 0.00 4.50 82.50 69.00 294.50 301.50 107.00 0.00 0.00 0.00 859.00
2002 0.00 0.00 0.00 0.00 4.00 167.00 351.00 207.00 59.00 0.00 0.00 0.00 788.00
2003 0.00 0.00 0.00 0.00 40.00 194.00 377.50 260.50 124.00 13.00 0.00 0.00 1009.00
2004 0.00 0.00 0.00 0.00 9.50 180.00 347.00 307.50 44.50 0.00 0.00 0.00 888.50
2005 0.00 0.00 0.00 5.00 66.00 75.00 312.50 0.00 z 32.50 0.00 0.00 0.00 491.00
2006 0.00 0.00 0.00 z 4.50 68.50 119.00 384.50 230.50 86.00 0.00 1.50 0.00 894.50
2007 0.00 0.00 0.00 a 0.00 30.50 124.50 383.00 206.50 54.50 0.00 0.00 0.00 799.00
2008 0.00 0.00 0.00 z 0.00 68.00 98.50 288.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 455.00
2009 0.00 0.00 z 0.00 z 0.00 z 68.50 0.00 z 0.00 z 0.00 z 93.50 0.00 0.00 0.00 162.00
2010 0.00 0.00 0.00 2.50 17.00 70.50 286.00 219.00 47.00 7.50 0.00 0.00 649.50
2011 0.00 0.00 0.00 0.00 4.50 55.00 180.50 300.00 120.50 0.00 0.00 0.00 660.50
2012 0.00 z 0.00 0.00 12.50 23.50 57.50 321.00 295.00 4.50 z 1.50 0.00 z 0.00 711.00
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 0.01 4.82 44.84 127.26 297.97 245.90 69.61 1.97 0.02 0.00 808.63
S.D. 0.00 0.00 0.05 8.65 36.93 61.86 78.15 69.44 38.52 4.06 0.16 0.00 169.91
SKEW 0.00 0.00 9.38 3.35 0.85 0.63 -0.23 0.38 0.32 3.58 9.49 0.00 0.03
MAX 0.00 0.00 0.50 57.00 157.50 270.50 473.00 448.50 156.00 24.50 1.50 0.00 1225.00
MIN 0.00 0.00 0.00 0.00 0.00 26.00 74.50 110.50 0.50 0.00 0.00 0.00 407.00
NO YRS 90 94 91 92 94 95 95 92 92 94 93 93 73