ANACORTES, WASHINGTON

Monthly Total Growing Degree Days

(450176)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1892 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
1893 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
1894 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
1895 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
1896 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
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
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 1.00 i 5.38 b 26.35 a 52.50 d 74.50 f 245.00 c 342.00 292.95 a 168.21 b 25.83 a 21.43 b 0.00 1179.66
1906 2.58 a 1.04 a 3.44 d 51.21 a 106.90 b 190.50 0.00 z 0.00 z 0.00 z 68.50 f 4.20 e 0.00 b 359.87
1907 0.00 c 0.00 0.00 6.00 142.71 b 202.50 307.79 c 236.50 h 141.50 j 67.17 a 9.50 g 0.00 i 726.16
1908 0.00 0.00 2.50 20.89 b 57.00 h 201.96 b 395.25 c 332.00 231.00 36.50 60.50 0.00 1280.61
1909 0.00 0.00 0.00 0.00 51.00 122.00 40.00 94.00 r 284.50 57.50 15.50 0.00 570.50
1910 0.50 0.00 3.50 26.50 143.12 a 208.00 387.00 298.00 161.50 99.89 d 1.50 4.00 u 1329.51
1911 0.00 0.00 0.00 3.50 h 64.00 185.50 312.50 311.00 169.00 56.50 0.00 0.00 1098.50
1912 3.00 0.00 0.00 17.00 166.50 241.00 374.50 321.00 198.50 27.00 13.50 0.00 1362.00
1913 0.00 0.00 13.50 29.00 131.00 250.00 313.00 214.50 240.52 a 38.50 6.00 0.00 b 1236.02
1914 1.50 l 0.00 9.50 47.50 154.50 199.00 318.50 331.00 137.50 109.50 4.00 h 0.50 n 1307.00
1915 0.00 f 12.50 47.07 d 83.00 178.80 c 296.50 412.30 a 457.00 240.00 97.98 c 8.79 a 0.00 a 1833.95
1916 0.00 0.00 b 7.00 25.00 90.93 a 257.50 258.50 372.00 217.50 29.50 0.00 2.00 f 1257.93
1917 0.00 0.00 0.00 a 0.00 z 70.00 179.50 267.00 314.65 a 221.50 58.00 68.00 5.50 1184.15
1918 7.00 0.00 8.00 28.27 d 95.00 282.50 364.77 a 296.88 e 262.50 92.50 0.56 c 0.00 1437.98
1919 0.00 0.00 5.00 27.50 f 88.00 g 164.50 336.00 254.00 f 0.00 z 35.43 c 16.50 i 3.00 k 540.93
1920 2.50 0.00 f 5.00 f 12.50 j 63.50 j 203.00 h 231.50 m 403.60 e 174.00 f 38.50 f 13.00 i 4.00 f 406.10
1921 0.00 e 2.92 d 6.95 b 19.00 i 0.00 z 260.17 a 319.00 323.50 212.00 117.50 16.50 5.50 1264.04
1922 0.00 0.00 3.50 12.00 151.50 210.50 325.50 329.00 262.00 118.50 0.00 8.00 1420.50
1923 0.50 0.00 7.00 65.50 138.00 293.00 374.00 418.50 271.00 133.00 17.50 2.50 1720.50
1924 6.50 6.00 0.00 36.21 a 215.50 266.00 367.50 329.50 266.00 136.50 0.50 4.00 1634.21
1925 0.00 3.50 0.00 a 0.00 z 209.50 304.50 399.00 379.50 293.00 44.50 8.00 f 11.50 1645.00
1926 0.00 2.50 27.00 64.50 88.50 0.00 z 0.00 z 107.50 u 197.50 165.50 46.50 8.50 600.50
1927 3.50 0.50 0.00 36.00 69.50 285.00 389.00 360.50 221.90 a 82.00 4.50 0.00 1452.40
1928 4.13 a 0.00 28.00 34.00 214.50 254.00 407.00 326.50 203.50 48.00 11.00 0.00 1530.63
1929 0.00 0.00 0.00 25.50 134.50 304.50 381.00 372.00 280.00 152.93 a 0.00 1.00 1651.43
1930 0.00 a 9.00 23.00 137.78 c 0.00 z 309.60 e 355.50 398.35 a 291.00 e 54.00 20.00 0.00 f 1598.23
1931 7.00 11.31 b 62.50 0.00 z 291.00 325.00 452.08 a 432.50 322.00 121.86 b 10.34 a 5.50 i 2035.60
1932 0.00 a 10.00 16.00 72.50 174.50 351.50 343.58 a 392.00 273.50 94.50 22.50 0.00 a 1750.58
1933 0.00 x 0.00 5.00 27.50 93.00 217.00 314.50 410.00 169.00 74.50 11.00 1.50 1323.00
1934 0.00 0.00 28.50 121.00 209.00 283.50 364.00 387.50 241.00 127.50 33.00 0.00 1795.00
1935 15.50 2.50 2.50 27.50 127.00 291.50 332.50 348.50 264.00 112.00 0.50 0.50 1524.50
1936 0.00 0.00 0.00 84.50 161.50 320.50 382.50 402.00 207.00 156.50 5.00 0.50 1720.00
1937 0.00 z 0.00 n 18.37 d 19.62 d 137.71 e 299.42 d 366.83 d 338.50 268.50 144.50 14.50 4.50 1612.45
1938 0.00 1.50 9.50 61.00 162.00 309.00 392.50 318.00 299.50 100.00 2.00 3.50 1658.50
1939 0.00 0.00 11.50 67.50 144.00 208.50 360.50 410.00 261.00 81.50 45.00 28.50 1618.00
1940 12.50 2.00 21.00 104.50 243.50 333.00 389.50 416.00 314.00 181.00 2.00 8.00 2027.00
1941 3.50 16.50 46.00 114.00 190.00 313.00 484.00 385.50 239.00 124.00 30.00 2.50 1948.00
1942 0.00 0.00 20.00 81.50 190.00 282.00 455.00 444.00 265.50 150.50 1.50 3.50 1893.50
1943 0.00 4.00 3.00 64.00 96.50 252.50 341.00 368.00 303.00 124.50 9.00 0.00 1565.50
1944 1.00 0.00 5.00 52.50 161.00 272.00 382.50 353.50 303.00 167.50 15.00 4.00 1717.00
1945 2.50 2.50 0.50 20.50 198.50 255.00 359.50 359.50 197.00 111.00 3.50 0.50 1510.50
1946 0.00 0.00 0.00 22.00 216.50 269.00 376.00 352.50 258.50 43.50 0.00 1.00 1539.00
1947 0.00 5.50 12.00 91.50 218.00 312.50 402.50 359.50 251.00 104.00 1.50 2.50 1760.50
1948 0.00 0.00 1.00 25.50 145.00 364.00 378.50 339.97 a 242.50 60.50 0.00 0.00 1556.97
1949 0.00 0.00 e 7.00 38.50 219.00 276.00 330.00 368.00 299.50 39.00 37.00 1.50 1615.50
1950 0.00 3.00 0.00 29.00 90.50 303.00 380.00 375.50 256.50 71.00 14.00 10.85 a 1533.35
1951 1.00 0.00 0.00 a 65.00 173.00 333.62 a 416.50 368.50 273.50 111.00 1.50 0.00 1743.62
1952 0.00 1.04 a 4.00 41.50 160.50 205.50 375.50 367.00 316.50 153.50 18.50 8.00 1651.54
1953 1.00 0.00 5.50 51.00 188.50 219.00 401.97 a 423.50 287.50 135.88 a 36.00 0.00 1749.85
1954 0.00 0.00 a 0.00 7.00 147.25 c 206.00 298.50 314.50 261.50 77.00 56.00 0.00 1367.75
1955 0.00 0.00 0.00 5.50 62.00 227.00 295.00 327.50 221.00 62.50 6.00 0.00 a 1206.50
1956 0.00 0.00 0.00 63.50 223.72 a 222.00 412.00 369.50 234.50 74.00 5.00 0.00 1604.22
1957 0.00 0.50 1.50 47.00 248.00 297.50 336.50 373.50 366.00 0.00 z 3.46 d 3.00 1676.96
1958 5.50 18.67 a 5.68 a 32.00 256.50 366.00 502.00 438.65 a 258.10 a 105.00 6.50 15.00 2009.60
1959 0.00 0.00 1.72 d 33.62 a 117.36 c 300.00 404.50 329.50 206.50 65.00 6.72 a 0.00 1464.92
1960 4.50 5.50 10.50 55.50 120.50 252.00 406.50 355.00 198.00 114.00 1.00 3.50 1526.50
1961 9.00 7.50 20.67 a 25.00 161.50 320.50 424.50 426.00 221.00 58.50 1.55 a 1.03 a 1676.75
1962 1.00 6.22 a 1.00 45.50 87.00 246.00 336.00 347.50 254.00 110.00 11.25 b 0.00 z 1445.47
1963 0.00 i 17.50 7.00 22.50 b 184.81 e 263.08 d 327.00 368.00 306.00 132.50 9.00 7.50 1644.88
1964 2.58 a 0.00 5.50 3.50 85.50 225.00 307.00 308.50 161.25 b 67.00 4.00 2.00 1171.83
1965 0.00 0.00 1.00 38.00 65.00 215.50 345.50 346.50 178.00 110.50 27.00 1.50 1328.50
1966 2.00 4.50 18.00 24.50 98.50 224.00 304.00 327.50 275.50 63.50 14.00 1.00 1357.00
1967 0.00 0.50 0.00 4.50 116.00 325.50 352.50 430.50 320.50 114.50 10.00 0.00 1674.50
1968 8.00 4.00 11.00 15.00 133.00 210.50 376.50 321.50 182.00 36.00 5.89 b 0.00 1303.39
1969 0.00 0.00 c 11.50 18.50 169.00 331.55 a 280.50 250.50 204.50 27.50 5.50 0.00 1299.05
1970 0.00 0.00 4.00 0.50 64.00 265.00 326.00 279.00 159.00 34.00 11.50 0.00 1143.00
1971 1.00 0.50 0.00 19.50 115.00 157.00 322.50 404.00 190.50 70.00 1.11 c 0.00 1281.11
1972 0.00 b 2.50 18.00 12.50 166.00 220.00 372.00 390.00 181.50 38.50 4.14 a 1.00 1406.14
1973 4.50 0.00 0.00 19.50 130.50 231.50 348.00 283.00 266.00 26.50 g 5.50 0.00 1288.50
1974 4.50 0.00 6.50 14.50 70.00 232.00 318.00 375.00 335.50 69.00 1.00 1.00 1427.00
1975 0.00 0.00 0.00 0.00 114.00 195.50 357.50 291.00 256.00 81.00 25.50 0.50 1321.00
1976 1.50 0.00 0.00 36.00 120.50 188.50 359.00 291.50 249.00 60.00 13.50 4.50 1324.00
1977 2.00 7.50 0.00 46.00 97.50 278.00 317.50 443.50 200.00 34.50 2.07 a 0.00 1428.57
1978 0.00 3.00 9.50 43.50 128.00 355.50 407.50 394.50 225.50 88.00 0.50 0.00 1655.50
1979 0.00 0.00 12.00 41.50 176.00 262.00 401.50 384.50 332.00 94.50 0.00 4.00 1708.00
1980 0.00 8.59 b 0.00 73.00 133.00 207.50 337.50 307.00 218.00 88.50 40.50 17.50 1431.09
1981 14.00 5.50 12.50 41.50 148.50 215.00 353.00 442.00 254.00 27.00 31.00 0.00 1544.00
1982 0.00 4.00 0.00 19.00 121.50 333.00 330.00 344.50 265.50 84.00 3.50 0.00 1505.00
1983 0.50 14.00 12.00 50.50 229.00 262.00 350.00 410.00 198.00 27.50 21.50 0.00 1575.00
1984 4.50 0.50 6.00 46.50 97.00 248.50 370.50 389.00 226.50 94.50 2.00 0.00 a 1485.50
1985 0.00 0.00 0.00 37.50 144.50 263.50 461.00 398.50 197.50 70.00 0.00 0.00 1572.50
1986 2.50 15.00 14.50 13.00 132.00 318.50 290.50 447.50 234.00 85.50 0.50 0.50 1554.00
1987 1.50 7.00 i 24.50 88.50 188.00 305.00 396.50 411.50 322.50 152.50 49.00 0.00 1939.50
1988 1.55 a 0.00 4.00 54.50 162.50 264.83 a 417.00 391.50 250.00 119.50 26.00 0.00 1691.38
1989 0.00 0.00 1.50 89.50 158.00 326.00 377.50 363.00 306.00 99.00 11.50 5.50 1737.50
1990 0.00 0.00 7.50 57.50 178.50 268.50 465.50 478.00 310.50 57.00 20.50 0.00 1843.50
1991 1.00 12.00 0.00 z 31.50 169.00 234.50 407.00 399.50 285.00 91.00 8.50 2.00 1641.00
1992 7.00 4.50 14.50 88.00 215.00 370.50 417.50 431.00 201.50 133.00 5.00 0.00 1887.50
1993 0.00 0.00 8.00 68.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 76.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 418.00 438.50 312.00 69.50 0.00 0.00 z 1238.00
1995 0.00 z 7.00 19.50 49.00 242.00 324.00 433.00 330.00 0.00 z 98.00 38.50 4.00 1545.00
1996 2.58 a 1.50 19.00 81.50 122.00 266.00 452.00 422.00 234.00 87.50 11.00 0.00 1699.08
1997 0.50 0.50 9.50 51.50 253.00 307.00 407.00 485.50 353.00 96.50 25.50 0.00 1989.50
1998 4.00 6.00 29.50 49.00 192.50 300.50 438.00 441.00 330.00 119.50 14.00 0.00 a 1924.00
1999 0.00 0.50 11.00 51.50 112.00 226.03 a 346.17 a 403.50 281.50 68.00 30.00 a 0.00 1530.20
2000 0.00 3.00 0.00 60.00 128.00 332.14 b 390.00 372.00 a 291.96 b 105.50 2.00 0.00 1684.61
2001 1.50 0.00 a 11.37 a 46.50 144.67 a 241.00 359.71 b 404.15 d 302.88 d 77.00 31.00 0.00 1619.77
2002 7.00 0.50 2.50 35.00 133.00 328.00 399.50 425.50 299.00 71.00 34.00 3.00 1738.00
2003 6.50 0.00 15.50 48.00 172.00 354.50 461.50 431.50 338.50 183.50 0.00 0.00 2011.50
2004 3.00 3.00 35.00 127.50 248.50 372.00 519.50 465.50 271.50 127.00 6.50 1.00 2180.00
2005 29.00 3.00 42.00 99.50 284.50 316.00 429.50 462.50 263.50 127.50 0.00 20.50 2077.50
2006 3.50 0.00 14.50 51.50 186.00 357.00 461.00 418.50 304.50 86.00 20.00 0.00 1902.50
2007 0.00 0.50 24.59 b 38.65 d 163.50 269.50 476.00 416.50 247.50 77.00 4.50 8.50 1726.74
2008 0.00 0.00 1.00 9.50 153.00 209.50 393.50 410.00 294.50 71.00 0.00 z 0.00 z 1542.00
2009 0.00 j 3.00 0.50 j 46.00 139.50 f 243.00 k 374.50 h 442.50 368.00 114.00 2.50 h 0.00 a 973.50
2010 6.00 q 5.48 e 21.46 e 70.00 119.00 f 265.50 420.50 419.50 165.00 m 127.00 19.50 p 0.50 j 1329.44
2011 2.77 c 0.00 a 13.78 d 9.31 a 106.00 284.50 381.62 b 341.50 f 360.00 a 103.33 a 2.50 0.00 c 1263.81
2012 2.14 b 0.60 e 6.00 g 59.50 h 164.54 e 235.96 d 390.48 e 458.50 309.64 b 78.00 39.00 0.00 1678.87
2013 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 z 0.00
Period of Record Statistics
MEAN 2.18 2.67 9.91 44.82 152.50 267.31 372.01 375.57 255.61 90.07 13.59 2.48 1607.02
S.D. 4.12 4.28 11.79 29.46 53.04 53.27 60.96 53.38 51.62 38.08 15.22 4.74 225.62
SKEW 3.68 1.98 1.83 0.87 0.34 -0.08 -1.31 -0.30 -0.03 0.25 1.44 3.06 0.23
MAX 29.00 18.67 62.50 137.78 291.00 372.00 519.50 485.50 368.00 183.50 68.00 28.50 2180.00
MIN 0.00 0.00 0.00 0.00 51.00 122.00 40.00 214.50 137.50 25.83 0.00 0.00 1143.00
NO YRS 99 105 103 99 98 103 103 101 101 103 99 95 74