ANACORTES, WASHINGTON

Monthly Total Growing Degree Days

(450176)

Base Temperature = 50 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
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 55.50 176.91 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 250.41
Period of Record Statistics
MEAN 2.54 3.11 9.98 46.89 158.55 276.68 379.01 380.88 258.94 93.56 13.01 2.55 1616.58
S.D. 4.66 4.68 11.81 29.32 53.51 51.38 51.42 50.43 49.55 37.39 13.82 5.09 230.78
SKEW 3.33 1.78 2.01 0.67 0.38 -0.03 0.42 -0.24 -0.07 0.26 1.17 3.16 0.20
MAX 29.00 18.67 62.50 127.50 291.00 372.00 519.50 485.50 366.00 183.50 56.00 28.50 2180.00
MIN 0.00 0.00 0.00 0.00 62.00 157.00 280.50 250.50 159.00 27.00 0.00 0.00 1143.00
NO YRS 71 73 74 74 74 73 74 74 73 72 74 71 63