DUTCH HARBOR, ALASKA

Monthly Total Growing Degree Days

(502587)

Base Temperature = 40 F

File last updated on Jun 7, 2013
*** Note *** Provisional Data *** After Year/Month 201305
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
1951 0.00 0.50 9.50 17.50 65.00 195.50 364.50 416.50 225.50 87.32 a 11.50 17.00 1410.32
1952 25.50 1.00 3.00 2.50 38.50 185.00 304.50 412.50 226.00 82.00 4.00 0.00 1284.50
1953 0.00 0.00 0.00 0.00 60.50 246.00 390.00 517.50 264.50 48.50 3.50 0.00 1530.50
1954 0.00 0.00 8.50 9.50 50.00 163.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 231.00
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 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
1969 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
1970 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
1971 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
1972 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
1973 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
1974 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
1975 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
1976 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
1977 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
1978 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
1979 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
1980 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
1981 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
1982 0.00 z 0.00 z 0.00 z 20.50 76.50 214.00 303.50 360.00 185.17 a 59.70 d 19.00 0.00 a 1238.38
1983 0.00 a 0.00 j 0.00 19.50 82.00 226.00 364.00 469.50 273.00 109.50 0.00 z 3.62 a 1547.12
1984 0.00 a 0.00 c 0.00 a 0.00 p 59.02 e 236.50 381.50 511.00 315.52 a 84.98 b 12.78 c 44.50 1645.80
1985 6.00 2.50 0.00 d 0.50 44.50 166.00 317.50 242.00 g 205.00 j 53.50 h 6.00 k 0.00 l 537.00
1986 0.00 h 0.00 d 0.00 d 13.80 e 45.90 e 148.00 217.00 h 243.50 h 287.50 91.00 81.96 b 14.50 i 668.17
1987 3.00 g 0.00 d 1.79 e 4.50 i 23.00 h 119.50 i 319.00 350.82 a 183.62 a 85.85 e 0.54 b 1.55 a 943.16
1988 0.00 b 0.00 0.00 z 2.07 a 0.00 z 153.00 0.00 z 341.50 204.50 49.50 3.75 b 0.52 a 754.84
1989 0.00 f 8.17 d 4.02 d 5.50 j 43.83 b 144.81 d 401.21 e 392.48 c 270.00 d 126.38 e 0.00 z 0.00 b 1390.90
1990 0.00 0.00 a 0.00 z 0.00 z 100.00 208.33 c 0.00 z 427.28 a 256.50 103.69 b 47.00 55.05 b 1197.86
1991 5.50 0.00 11.88 a 2.00 42.00 179.00 314.00 332.22 a 201.50 89.90 a 11.00 0.00 b 1189.00
1992 0.00 d 3.50 0.00 0.00 81.50 213.50 288.50 319.30 a 192.50 40.00 0.50 12.00 1151.30
1993 2.77 c 0.00 4.00 5.50 82.50 188.50 359.50 400.93 a 295.86 a 121.50 15.00 0.00 1476.06
1994 2.00 5.50 0.00 0.00 25.50 205.50 349.50 416.00 229.50 53.22 a 30.52 a 18.00 1335.23
1995 0.00 c 10.37 a 8.00 17.50 77.50 185.00 346.50 421.50 294.00 101.27 a 15.00 6.00 1482.64
1996 2.00 11.00 18.00 13.00 118.00 253.50 395.00 429.50 231.00 91.50 28.50 0.00 z 1591.00
1997 5.50 11.00 2.50 0.50 149.00 240.50 390.00 529.50 285.50 129.00 9.00 0.00 1752.00
1998 0.00 0.00 a 5.00 17.50 35.50 229.00 330.00 381.00 292.76 a 96.50 30.50 5.00 1422.76
1999 2.00 0.00 0.00 16.00 57.00 155.00 382.50 357.00 213.00 83.59 c 3.10 a 0.00 z 1269.19
2000 2.00 0.56 c 1.50 2.00 23.00 187.50 352.00 399.50 227.59 a 52.00 35.50 4.65 a 1287.79
2001 1.00 3.50 0.00 15.00 12.50 0.00 z 402.50 441.50 239.50 78.50 9.00 2.07 a 1205.07
2002 4.50 0.00 2.50 23.00 156.50 236.50 382.00 419.50 312.50 145.00 40.50 4.00 1726.50
2003 2.00 2.00 7.00 48.00 104.00 246.50 388.50 474.50 299.50 132.00 80.50 0.00 z 1784.50
2004 1.00 0.00 0.00 14.00 176.00 229.00 388.00 475.00 316.50 143.00 22.00 0.00 1764.50
2005 18.50 4.00 8.50 20.50 96.00 246.00 368.50 447.00 366.50 127.50 25.00 12.50 1740.50
2006 0.00 11.50 13.00 24.50 98.00 226.00 403.50 434.50 256.50 141.00 27.50 0.00 1636.00
2007 2.00 4.50 0.00 a 2.50 39.50 213.00 326.00 474.50 347.50 99.00 19.50 3.50 1531.50
2008 6.50 0.00 z 0.00 z 1.00 p 34.00 208.50 315.50 314.50 273.00 66.50 6.00 16.50 1241.00
2009 0.00 11.93 a 19.50 27.00 112.50 209.00 326.50 329.50 191.50 109.50 12.50 15.00 1364.43
2010 4.00 1.50 0.00 a 6.50 44.50 189.50 307.50 390.00 377.00 77.50 34.00 12.50 1444.50
2011 7.46 d 2.07 a 1.50 6.50 82.00 190.00 338.00 448.00 226.00 121.00 42.50 10.50 1475.54
2012 0.00 0.00 1.00 0.00 27.00 146.50 308.50 393.50 214.50 115.00 17.00 14.43 b 1237.43
2013 3.50 1.50 0.00 3.00 24.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 8.00
Period of Record Statistics
MEAN 3.24 2.93 4.08 11.30 70.90 201.93 351.88 413.36 259.86 95.22 22.54 8.93 1462.15
S.D. 5.49 4.03 5.44 10.98 39.98 32.62 35.56 57.51 52.11 29.53 20.30 12.98 188.79
SKEW 2.83 1.26 1.43 1.21 0.89 -0.24 -0.08 0.12 0.44 -0.09 1.51 2.28 0.18
MAX 25.50 11.93 19.50 48.00 176.00 253.50 403.50 529.50 377.00 145.00 81.96 55.05 1764.50
MIN 0.00 0.00 0.00 0.00 12.50 144.81 288.50 314.50 183.62 40.00 0.50 0.00 1151.30
NO YRS 32 33 32 31 33 33 31 32 33 33 31 29 20