YREKA, CALIFORNIA

Monthly Total Cooling Degree Days

(049866)

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
1893 0.00 z 0.00 0.00 0.00 0.00 b 16.00 129.00 178.25 c 16.00 0.00 0.00 0.00 339.25
1894 0.00 0.00 0.00 0.00 11.50 18.00 191.00 224.75 a 10.00 l 0.00 0.00 a 0.00 445.25
1895 0.00 0.00 0.00 0.00 9.00 90.00 120.00 147.00 8.50 0.00 0.00 0.00 374.50
1896 0.00 0.00 0.00 0.00 6.00 59.50 297.50 155.00 35.00 0.00 0.00 0.00 553.00
1897 0.00 0.00 0.00 0.00 36.00 41.50 136.00 233.02 a 19.50 0.00 0.00 0.00 466.02
1898 0.00 0.00 0.00 0.00 3.50 39.00 190.00 239.50 37.50 0.00 0.00 0.00 509.50
1899 0.00 0.00 0.00 0.00 0.00 48.00 210.50 64.50 58.50 0.00 0.00 0.00 381.50
1900 0.00 0.00 0.00 0.00 a 0.00 78.50 184.50 48.00 17.50 0.00 0.00 0.00 328.50
1901 0.00 0.00 0.00 0.00 6.00 48.00 167.50 237.50 16.50 0.00 0.00 0.00 c 475.50
1902 0.00 0.00 0.00 0.00 e 8.00 39.00 160.50 161.50 0.00 z 0.00 z 0.00 0.00 z 369.00
1903 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
1904 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
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 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
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 j 0.00 0.00 0.00 13.00 80.50 227.50 240.00 7.50 0.00 0.00 0.00 568.50
1915 0.00 0.00 a 0.00 0.00 0.00 70.50 386.50 569.50 95.00 0.00 b 0.00 0.00 1121.50
1916 0.00 0.00 a 0.00 0.00 0.00 a 50.50 94.03 a 154.50 21.50 0.00 a 0.00 0.00 320.53
1917 0.00 0.00 0.00 0.00 0.00 26.00 263.50 202.00 6.50 0.00 0.00 0.00 498.00
1918 0.00 0.00 0.00 0.00 z 0.00 180.50 150.00 152.50 63.50 4.50 0.00 0.00 b 551.00
1919 0.00 0.00 0.00 3.50 40.50 77.50 263.50 f 158.50 g 30.52 a 0.00 0.00 0.00 152.02
1920 0.00 0.00 a 0.00 0.00 0.00 59.00 152.00 254.50 48.10 a 0.00 0.00 0.00 513.60
1921 0.00 0.00 0.00 0.00 a 0.00 a 66.00 157.50 112.50 0.00 0.50 0.00 0.00 336.50
1922 0.00 0.00 0.00 a 0.00 8.50 59.46 b 194.00 76.00 31.50 0.00 d 0.00 t 0.00 z 369.46
1923 0.00 f 0.00 0.00 0.00 b 8.00 l 22.00 g 173.60 a 156.03 a 102.00 0.00 0.00 c 0.00 e 431.63
1924 0.00 0.00 0.00 a 0.00 292.00 171.00 228.00 199.00 53.04 b 0.00 a 0.00 l 0.00 943.04
1925 0.00 0.00 a 0.00 0.00 a 0.00 115.50 325.50 204.50 12.50 g 0.00 a 0.00 0.00 a 645.50
1926 0.00 0.00 0.00 25.00 35.00 262.50 316.00 169.50 h 37.22 c 0.00 z 0.00 f 0.00 675.72
1927 0.00 0.00 0.00 a 2.00 16.50 71.50 249.00 161.00 33.50 0.50 0.00 0.00 534.00
1928 0.00 0.00 0.00 d 0.00 30.50 39.00 274.50 164.50 66.00 0.00 a 0.00 0.00 574.50
1929 0.00 0.00 0.00 0.00 13.50 74.50 215.50 235.50 37.00 2.58 a 0.00 d 0.00 578.58
1930 0.00 0.00 0.00 a 0.00 1.50 57.00 209.50 158.50 49.14 a 1.00 0.00 0.00 476.64
1931 0.00 z 0.00 z 0.00 0.00 49.00 56.90 a 345.00 286.50 77.50 0.00 0.00 0.00 a 814.90
1932 0.00 0.00 0.00 0.00 7.00 150.50 162.00 166.50 124.00 29.00 0.00 0.00 a 639.00
1933 0.00 0.00 0.00 0.00 7.00 82.50 356.00 263.50 12.50 24.50 0.00 0.00 746.00
1934 0.00 0.00 0.00 a 0.50 13.50 62.50 197.50 273.00 100.00 3.50 0.00 0.00 650.50
1935 0.00 0.00 0.00 0.00 0.00 36.00 146.50 250.00 77.50 7.00 0.00 0.00 517.00
1936 0.00 0.00 0.00 0.00 28.00 68.50 249.00 226.00 53.50 5.50 0.00 0.00 630.50
1937 0.00 a 0.00 0.00 0.00 4.50 66.00 247.00 140.50 58.00 0.00 0.00 0.00 516.00
1938 0.00 0.00 0.00 0.00 15.00 99.00 252.65 a 189.00 97.50 0.00 z 0.00 f 0.00 653.15
1939 0.00 0.00 c 0.00 c 1.15 d 37.89 d 96.00 e 300.18 a 308.28 d 82.24 a 0.00 f 0.00 g 0.00 825.75
1940 0.00 0.00 0.00 b 0.00 22.50 170.89 b 130.95 b 293.31 e 11.40 e 4.50 m 0.00 0.00 629.05
1941 0.00 0.00 0.00 0.00 19.50 19.00 273.00 152.50 5.00 0.00 0.00 0.00 469.00
1942 0.00 a 0.00 0.00 0.00 13.00 24.50 256.50 262.50 60.50 2.38 e 0.00 z 0.00 619.38
1943 0.00 e 0.00 e 0.00 d 0.00 z 0.00 z 25.50 f 227.73 e 109.10 e 158.08 d 0.50 m 0.00 d 0.00 f 494.90
1944 0.00 e 0.00 e 0.00 e 0.00 e 4.77 e 13.85 d 198.83 b 158.44 d 118.27 d 0.00 i 0.00 h 0.00 l 494.16
1945 0.00 g 0.00 d 0.00 c 0.00 e 21.81 d 60.00 d 284.17 d 208.14 c 81.50 8.00 0.00 0.00 663.62
1946 0.00 0.00 0.00 0.00 2.50 34.50 239.50 252.00 19.50 0.00 0.00 0.00 548.00
1947 0.00 0.00 0.00 0.00 33.00 35.69 a 116.00 128.50 67.50 3.50 0.00 0.00 384.19
1948 0.00 0.00 0.00 0.00 0.50 48.00 107.50 51.50 38.00 0.00 0.00 0.00 245.50
1949 0.00 0.00 0.00 1.00 23.50 76.50 189.00 107.00 60.00 0.00 0.00 0.00 a 457.00
1950 0.00 d 0.00 0.00 0.00 11.50 59.00 257.50 239.00 78.50 0.50 0.00 0.00 646.00
1951 0.00 0.00 0.00 0.00 6.50 122.00 224.50 198.50 71.00 5.00 0.00 0.00 627.50
1952 0.00 0.00 0.00 0.00 14.50 34.50 301.50 160.50 119.00 14.00 0.00 0.00 644.00
1953 0.00 0.00 0.00 a 0.00 0.00 2.50 197.00 121.00 124.00 0.00 0.00 0.00 444.50
1954 0.00 0.00 0.00 0.00 24.50 48.00 195.00 80.00 14.50 0.00 0.00 0.00 362.00
1955 0.00 0.00 0.00 0.00 7.50 116.50 137.43 a 239.00 49.50 j 1.50 0.00 0.00 501.93
1956 0.00 0.00 0.00 0.00 24.00 37.00 289.85 a 136.40 a 53.50 1.50 0.00 0.00 g 542.25
1957 0.00 0.00 0.00 1.50 26.00 115.50 145.50 106.50 84.00 0.00 0.00 0.00 479.00
1958 0.00 0.00 0.00 0.00 19.00 87.50 289.50 306.00 52.50 11.00 0.00 0.00 765.50
1959 0.00 0.00 0.00 0.00 6.00 92.00 319.82 a 207.50 47.50 0.00 0.00 0.00 a 672.82
1960 0.00 0.00 0.00 a 0.00 a 2.50 134.00 338.00 190.50 70.50 6.50 0.00 0.00 742.00
1961 0.00 0.00 0.00 a 0.00 3.00 187.50 253.50 250.50 18.00 0.00 a 0.00 0.00 712.50
1962 0.00 0.00 0.00 0.00 0.00 61.50 188.00 133.00 84.50 0.00 0.00 0.00 467.00
1963 0.00 0.00 0.00 0.00 30.50 76.50 93.00 160.00 92.00 4.50 0.00 0.00 456.50
1964 0.00 0.00 0.00 0.00 1.00 44.50 198.50 175.50 13.00 4.50 0.00 0.00 437.00
1965 0.00 0.00 0.00 0.00 7.00 67.50 192.50 139.50 13.50 0.00 0.00 0.00 420.00
1966 0.00 0.00 0.00 0.00 20.00 65.50 134.50 254.00 60.00 2.50 0.00 0.00 536.50
1967 0.00 0.00 0.00 0.00 21.50 110.00 298.50 302.00 93.00 0.00 0.00 0.00 825.00
1968 0.00 0.00 0.00 0.00 1.00 86.00 246.50 132.00 93.50 0.00 0.00 0.00 559.00
1969 0.00 0.00 0.00 0.00 48.50 98.00 225.00 176.00 79.00 0.00 0.00 0.00 626.50
1970 0.00 0.00 0.00 0.00 29.50 189.00 295.00 243.50 15.00 0.50 0.00 0.00 772.50
1971 0.00 0.00 0.00 0.00 0.00 30.00 264.50 292.50 35.50 0.50 0.00 0.00 623.00
1972 0.00 0.00 0.00 0.00 35.00 105.50 296.00 245.00 56.00 0.00 0.00 0.00 737.50
1973 0.00 0.00 0.00 0.00 66.50 119.00 285.50 228.50 51.00 0.00 0.00 0.00 750.50
1974 0.00 0.00 0.00 0.00 8.50 139.00 198.00 228.50 125.00 0.00 0.00 0.00 699.00
1975 0.00 0.00 0.00 0.00 14.50 71.50 214.50 130.50 95.00 2.00 0.00 0.00 528.00
1976 0.00 0.00 0.00 0.00 10.00 45.50 223.50 84.50 66.50 5.00 0.00 0.00 435.00
1977 0.00 0.00 0.00 0.00 0.00 152.50 209.00 311.00 74.50 0.00 0.00 0.00 747.00
1978 0.00 0.00 0.00 0.00 1.50 70.50 227.00 202.00 12.50 0.00 0.00 0.00 513.50
1979 0.00 0.00 0.00 0.00 22.00 92.50 224.00 154.50 70.50 21.50 0.00 0.00 585.00
1980 0.00 0.00 0.00 0.00 4.50 22.50 245.00 155.00 52.50 26.50 0.00 0.00 506.00
1981 0.00 0.00 0.00 5.50 8.00 59.00 202.50 266.00 130.00 0.00 0.00 0.00 671.00
1982 0.00 0.00 0.00 0.00 13.50 95.00 160.50 173.00 28.50 0.00 0.00 0.00 470.50
1983 0.00 0.00 0.00 0.00 58.50 29.00 108.50 187.50 27.50 0.00 0.00 0.00 411.00
1984 0.00 0.00 0.00 0.00 25.00 58.00 280.00 205.00 52.50 2.00 0.00 0.00 622.50
1985 0.00 z 0.00 0.00 1.50 11.00 131.50 0.00 z 143.50 7.00 0.50 0.00 0.00 295.00
1986 0.00 0.00 z 0.00 0.00 z 57.50 181.50 163.50 304.50 71.00 0.00 0.00 0.00 778.00
1987 0.00 0.00 0.00 8.50 47.00 0.00 z 137.00 0.00 z 0.00 z 11.00 0.00 0.00 203.50
1988 0.00 0.00 0.00 0.00 7.00 107.00 273.50 208.50 96.50 0.00 0.00 0.00 692.50
1989 0.00 0.00 0.00 0.00 z 8.50 0.00 z 115.00 104.00 23.50 0.00 0.00 0.00 251.00
1990 0.00 0.00 0.00 0.00 2.50 54.00 256.00 179.50 35.50 2.50 0.00 0.00 530.00
1991 0.00 0.00 0.00 0.00 0.00 20.00 275.00 207.50 111.50 14.50 0.00 0.00 628.50
1992 0.00 0.00 0.00 0.00 z 52.50 135.50 203.50 249.50 30.50 3.50 0.00 0.00 675.00
1993 0.00 0.00 0.00 0.00 2.00 32.50 31.50 111.00 0.00 z 2.00 0.00 0.00 179.00
1994 0.00 0.00 0.00 0.00 13.00 68.00 309.50 151.50 78.50 0.00 0.00 0.00 620.50
1995 0.00 0.00 0.00 0.00 8.00 51.50 125.50 133.50 83.00 0.00 0.00 0.00 401.50
1996 0.00 0.00 0.00 0.00 10.00 54.00 326.50 221.50 33.50 8.00 0.00 0.00 653.50
1997 0.00 0.00 0.00 0.00 36.50 24.50 191.50 183.50 38.00 2.50 0.00 0.00 476.50
1998 0.00 0.00 0.00 0.00 0.00 21.50 263.00 241.50 128.50 0.00 0.00 0.00 654.50
1999 0.00 0.00 0.00 0.00 24.00 47.50 160.17 a 136.50 70.50 1.00 0.00 0.00 439.67
2000 0.00 0.00 0.00 0.00 16.50 126.72 a 177.50 205.50 46.50 0.00 0.00 0.00 572.72
2001 0.00 0.00 0.00 0.00 a 60.50 56.00 207.50 245.50 58.00 4.13 a 0.00 0.00 631.63
2002 0.00 0.00 0.00 0.00 3.50 91.00 290.50 158.50 60.50 0.00 0.00 0.00 604.00
2003 0.00 0.00 0.00 0.00 27.50 101.50 280.00 150.00 72.50 0.00 0.00 0.00 631.50
2004 0.00 0.00 0.00 0.00 5.50 103.50 276.50 240.00 39.00 0.00 0.00 0.00 664.50
2005 0.00 0.00 0.00 0.00 22.50 34.00 320.00 278.50 31.00 2.00 0.00 0.00 688.00
2006 0.00 0.00 0.00 1.50 38.00 141.50 358.50 174.00 74.50 0.00 0.00 0.00 a 788.00
2007 0.00 0.00 0.00 0.00 21.00 89.00 266.00 217.50 85.50 0.00 0.00 0.00 679.00
2008 0.00 0.00 0.00 0.00 46.00 72.00 248.00 219.00 73.50 6.50 0.00 0.00 665.00
2009 0.00 0.00 0.00 3.50 46.50 66.00 298.50 188.50 101.00 0.00 z 0.00 0.00 704.00
2010 0.00 0.00 0.00 0.00 0.00 40.50 290.50 206.00 37.00 11.50 0.00 0.00 585.50
2011 0.00 0.00 0.00 0.00 0.00 28.45 a 157.50 199.78 d 102.00 e 0.00 a 0.00 0.00 a 487.73
2012 0.00 0.00 0.00 2.50 20.00 58.00 214.00 281.00 65.50 5.00 0.00 0.00 646.00
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 0.55 18.62 76.19 222.97 195.38 58.27 2.74 0.00 0.00 568.90
S.D. 0.00 0.00 0.00 2.68 31.30 46.25 69.17 71.13 34.62 5.63 0.00 0.00 139.43
SKEW 0.00 0.00 0.00 7.75 6.41 1.21 -0.09 1.22 0.41 2.97 0.00 0.00 0.56
MAX 0.00 0.00 0.00 25.00 292.00 262.50 386.50 569.50 158.08 29.00 0.00 0.00 1121.50
MIN 0.00 0.00 0.00 0.00 0.00 2.50 31.50 48.00 0.00 0.00 0.00 0.00 245.50
NO YRS 104 108 110 104 107 105 107 106 103 101 102 104 81