BELLINGHAM INTL AP, WASHINGTON

Monthly Total Growing Degree Days

(450574)

Base Temperature = 50 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
1949 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 0.00
1950 0.00 b 1.00 0.00 11.50 60.50 288.50 357.00 373.50 214.00 41.00 7.00 11.50 1365.50
1951 0.00 0.00 0.00 20.00 128.50 309.50 394.00 356.00 238.00 74.50 1.00 0.00 1521.50
1952 0.00 0.00 1.00 15.50 123.00 166.00 336.00 361.50 250.50 83.00 9.00 1.00 1346.50
1953 0.50 0.00 1.00 28.50 121.50 176.50 364.00 389.50 225.50 82.50 20.50 0.00 1410.00
1954 0.00 0.00 0.00 0.50 94.50 164.00 269.50 285.00 226.00 48.00 25.50 1.50 1114.50
1955 0.00 0.00 0.00 0.00 27.00 212.00 269.00 274.00 170.50 31.00 6.00 0.00 989.50
1956 0.00 0.00 0.00 33.50 188.00 196.50 405.00 394.50 200.69 a 45.50 0.50 0.50 1464.69
1957 0.00 0.00 1.50 42.00 213.50 275.50 302.00 328.50 309.00 58.00 0.52 a 0.00 a 1530.52
1958 2.00 12.00 1.00 13.00 261.50 405.00 557.00 468.50 242.50 83.50 9.00 11.00 2066.00
1959 3.00 0.00 0.50 18.50 116.00 275.50 421.50 305.50 167.50 43.40 a 4.00 1.00 1356.40
1960 1.50 1.50 5.00 39.00 93.00 226.00 443.50 332.50 176.50 90.00 0.00 1.50 1410.00
1961 6.50 4.50 10.50 19.50 141.50 325.00 451.71 c 470.00 189.00 44.00 1.50 0.50 1664.21
1962 0.00 3.00 0.00 33.00 62.50 230.00 350.50 331.00 210.50 79.50 9.50 10.50 1320.00
1963 0.00 20.00 11.50 14.50 153.50 239.00 320.00 410.00 314.50 120.00 13.00 11.50 1627.50
1964 0.00 0.00 1.00 0.00 91.00 222.50 331.00 312.50 162.50 75.00 2.00 0.00 1197.50
1965 0.00 0.00 2.00 36.00 72.00 251.50 400.50 388.00 168.50 99.50 16.00 0.00 1434.00
1966 0.00 1.00 4.00 4.00 70.00 202.00 297.00 341.50 243.00 40.00 4.50 2.00 1209.00
1967 0.00 0.00 0.00 0.00 112.50 356.00 408.50 499.50 317.00 100.50 7.00 0.00 1801.00
1968 15.00 4.00 3.00 14.50 152.00 257.00 446.00 366.00 199.00 55.50 12.50 0.00 1524.50
1969 0.00 0.00 6.00 8.50 170.00 344.00 321.50 268.50 187.00 36.00 9.50 2.00 1353.00
1970 0.00 0.00 5.50 4.00 100.50 308.50 375.00 358.50 180.00 39.50 13.00 1.50 1386.00
1971 0.00 1.00 0.00 17.50 89.50 142.50 364.00 432.50 161.50 51.00 2.00 0.00 1261.50
1972 0.00 0.00 10.50 5.50 151.00 214.00 365.50 399.50 139.00 11.50 8.50 0.50 1305.50
1973 2.50 0.00 0.00 5.00 132.50 228.50 0.00 z 312.50 286.50 51.00 6.00 1.50 1026.00
1974 4.00 0.00 15.50 15.00 68.50 264.00 335.00 381.00 337.50 55.00 6.00 0.00 1481.50
1975 0.00 0.00 0.00 0.00 94.00 195.50 399.50 316.50 244.00 49.00 41.00 1.50 1341.00
1976 0.00 0.00 0.00 42.00 82.00 203.00 391.00 340.50 262.50 71.00 12.50 8.50 1413.00
1977 5.00 6.50 0.50 79.66 a 97.50 321.00 364.00 522.50 225.50 60.50 19.00 0.00 1701.66
1978 1.00 5.00 20.00 41.50 162.00 348.00 416.50 392.00 205.00 70.50 1.00 0.00 1662.50
1979 0.00 0.00 8.55 b 40.50 142.50 234.00 420.50 400.00 302.50 76.50 4.50 8.50 1638.05
1980 0.00 9.00 0.00 46.50 106.00 210.00 336.50 309.00 236.50 88.00 37.00 15.00 1393.50
1981 12.50 4.50 4.00 32.50 135.00 185.00 361.50 443.50 247.00 36.00 16.00 0.50 1478.00
1982 0.00 2.50 0.00 4.00 86.50 324.00 326.50 347.00 253.50 58.50 0.00 0.00 1402.50
1983 1.00 12.00 12.00 23.50 182.50 250.50 331.50 397.00 165.00 18.50 18.50 0.00 1412.00
1984 0.50 0.00 0.00 19.50 59.50 208.50 355.00 373.00 166.00 74.50 4.00 0.00 1260.50
1985 0.00 0.00 0.00 31.00 141.00 250.50 517.50 405.00 201.50 70.00 4.50 0.00 1621.00
1986 5.50 14.00 9.50 6.50 141.00 301.00 299.50 462.50 219.00 73.50 0.00 2.50 1534.50
1987 4.00 4.50 19.50 63.00 157.00 298.00 378.00 398.50 275.00 93.50 29.00 1.50 1721.50
1988 0.00 0.00 0.50 37.50 149.00 239.50 381.50 390.00 215.50 126.00 18.00 1.00 1558.50
1989 0.00 0.00 a 1.00 88.00 132.50 336.50 375.00 371.00 277.00 88.50 11.50 9.00 1690.00
1990 0.50 0.00 5.00 62.00 154.50 272.50 491.00 485.00 295.50 45.00 19.50 0.50 1831.00
1991 0.50 17.50 3.00 24.50 124.50 217.50 414.00 433.50 278.00 74.00 10.00 3.00 1600.00
1992 15.50 5.50 8.00 93.00 228.50 374.00 426.00 405.50 196.50 107.00 3.00 0.00 1862.50
1993 0.00 0.00 7.50 45.50 270.50 285.50 338.00 396.50 228.00 101.50 0.50 2.50 1676.00
1994 5.50 4.00 30.00 58.50 198.50 248.50 444.00 451.50 311.00 42.00 0.00 5.00 1798.50
1995 4.00 6.00 17.50 49.00 235.00 347.50 449.00 327.00 350.50 71.00 38.00 0.50 1895.00
1996 0.50 5.50 8.00 66.50 115.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 195.50
1997 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
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 106.50 l 65.00 8.50 4.50 78.00
1999 0.00 0.00 4.50 14.50 65.50 198.00 320.50 388.00 190.00 23.00 18.00 0.00 1222.00
2000 0.00 0.00 0.00 18.50 76.50 244.50 356.50 305.00 197.50 49.50 1.50 0.00 1249.50
2001 0.00 0.00 0.50 37.50 101.00 177.00 323.50 364.50 190.00 17.50 32.50 0.00 1244.00
2002 4.50 0.00 0.00 17.00 82.00 278.50 358.00 362.50 192.00 34.00 19.66 a 7.00 1355.16
2003 9.00 0.00 10.50 32.59 a 116.50 293.00 430.50 396.00 251.00 117.00 0.00 0.50 1656.59
2004 0.00 0.00 15.00 52.50 147.00 305.00 462.00 451.50 178.50 61.50 8.00 0.00 1681.00
2005 23.00 0.00 2.50 72.50 209.50 247.00 381.00 401.00 0.00 z 0.00 z 0.00 z 0.00 z 1336.50
2006 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
2007 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
2008 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
2009 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
2010 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
2011 5.50 0.00 6.72 a 0.00 k 76.50 261.21 a 359.00 410.50 324.00 57.50 1.50 1.50 1503.92
2012 6.00 4.66 a 0.00 48.62 a 117.50 184.00 372.00 429.50 239.00 68.50 31.00 0.50 1501.28
2013 0.00 0.00 7.75 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 7.75
Period of Record Statistics
MEAN 2.44 2.62 4.94 29.95 128.22 256.69 378.96 382.10 230.24 64.13 10.95 2.35 1491.17
S.D. 4.59 4.59 6.45 23.53 52.58 59.38 58.70 56.96 52.29 26.46 10.73 3.77 217.13
SKEW 2.60 2.14 1.68 0.79 0.75 0.34 0.63 0.20 0.49 0.27 1.17 1.81 0.27
MAX 23.00 20.00 30.00 93.00 270.50 405.00 557.00 522.50 350.50 126.00 41.00 15.00 2066.00
MIN 0.00 0.00 0.00 0.00 27.00 142.50 269.00 268.50 139.00 11.50 0.00 0.00 989.50
NO YRS 57 57 57 55 56 55 54 55 54 55 55 56 52