COLD BAY AP, ALASKA

Monthly Total Growing Degree Days

(502102)

Base Temperature = 50 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
1950 0.00 z 0.00 z 0.00 a 0.00 0.00 0.00 28.00 94.50 1.00 0.00 0.00 0.00 123.50
1951 0.00 0.00 0.00 0.00 0.00 3.00 28.00 46.50 15.00 0.00 0.00 0.00 92.50
1952 0.00 0.00 0.00 0.00 0.00 1.50 12.50 18.50 8.50 0.00 0.00 0.00 41.00
1953 0.00 0.00 0.00 0.00 0.00 31.00 83.50 102.00 1.00 0.00 a 0.00 z 0.00 z 217.50
1954 0.00 j 0.00 a 0.00 0.00 0.00 0.00 z 30.50 56.50 40.50 7.50 0.00 0.00 135.00
1955 0.00 0.00 0.00 0.00 0.00 0.00 45.50 24.50 2.00 0.00 0.00 0.00 72.00
1956 0.00 0.00 0.00 0.00 0.00 0.00 41.50 67.50 13.50 0.00 0.00 0.00 122.50
1957 0.00 0.00 0.00 0.00 0.00 13.00 26.50 74.50 40.50 0.52 a 0.00 0.00 155.02
1958 0.00 0.00 0.00 0.00 0.00 a 0.00 b 8.50 17.00 16.03 a 2.58 a 0.00 0.00 44.12
1959 0.00 0.00 0.00 0.00 0.00 0.00 14.43 b 70.00 7.00 0.00 0.00 0.00 c 91.43
1960 0.00 0.00 0.00 a 0.00 0.00 1.00 75.00 60.50 18.50 0.00 0.00 0.00 155.00
1961 0.00 c 0.00 0.00 b 0.00 0.00 2.00 38.00 48.00 7.50 0.00 0.00 0.00 95.50
1962 0.00 0.00 0.00 0.00 0.00 6.50 66.00 77.50 8.00 0.00 0.00 0.00 158.00
1963 0.00 0.00 0.00 0.00 0.00 2.00 39.50 54.50 23.50 2.00 0.00 0.00 121.50
1964 0.00 0.00 0.00 0.00 3.00 4.00 4.50 8.50 3.00 4.50 0.00 0.00 27.50
1965 0.00 0.00 0.00 0.00 0.00 1.00 18.00 30.50 39.50 0.00 0.00 0.00 89.00
1966 0.00 0.00 0.00 0.00 0.00 0.00 14.00 8.00 0.50 0.00 0.00 0.00 22.50
1967 0.00 0.00 0.00 0.00 0.00 4.50 99.00 55.00 0.00 0.00 0.00 0.00 158.50
1968 0.00 0.00 0.00 0.00 0.00 1.00 96.50 65.50 14.00 0.00 0.00 0.00 177.00
1969 0.00 0.00 0.00 0.00 0.00 1.50 98.00 110.50 29.50 0.00 0.00 0.00 239.50
1970 0.00 0.00 0.00 0.00 0.00 6.50 52.50 51.00 19.00 0.50 0.00 0.00 129.50
1971 0.00 0.00 0.00 0.00 0.00 0.00 22.00 31.00 2.00 0.00 0.00 0.00 55.00
1972 0.00 0.00 0.00 0.00 0.00 0.00 9.00 35.00 16.00 0.00 0.00 0.00 60.00
1973 0.00 0.00 0.00 0.00 0.00 0.00 3.00 30.50 0.00 0.00 0.00 0.00 33.50
1974 0.00 0.00 0.00 0.00 0.00 0.00 21.50 98.68 a 19.00 3.50 0.00 0.00 142.68
1975 0.00 0.00 0.00 0.00 0.00 8.00 42.00 84.00 2.50 0.00 0.00 0.00 136.50
1976 0.00 0.00 0.00 0.00 0.00 0.50 25.00 49.00 1.00 0.00 0.00 0.00 75.50
1977 0.00 0.00 0.00 0.00 0.00 26.50 125.50 114.00 46.00 0.00 0.00 0.00 312.00
1978 0.00 0.00 0.00 0.00 0.00 2.50 24.00 133.00 9.50 0.00 0.00 0.00 169.00
1979 0.00 0.00 0.00 0.00 1.50 35.00 75.50 65.50 25.00 0.00 0.00 0.00 202.50
1980 0.00 0.00 0.00 0.00 0.00 2.00 101.50 52.50 19.00 0.00 0.00 0.00 175.00
1981 0.00 0.00 0.00 0.00 1.50 6.50 96.50 70.00 22.00 0.00 0.00 0.00 196.50
1982 0.00 0.00 0.00 0.00 0.00 0.00 3.50 33.50 0.00 0.00 0.00 0.00 37.00
1983 0.00 0.00 0.00 0.00 0.00 19.00 53.50 71.50 10.00 0.00 0.00 0.00 154.00
1984 0.00 0.00 0.00 0.00 0.00 6.50 39.50 153.50 32.50 0.00 0.00 0.00 232.00
1985 0.00 0.00 0.00 0.00 0.00 10.00 35.00 36.00 52.50 5.00 0.00 0.00 138.50
1986 0.00 0.00 0.00 0.00 0.00 0.00 68.50 43.50 27.50 1.50 3.00 0.00 144.00
1987 0.00 0.00 0.00 0.00 0.00 1.50 42.50 89.00 8.00 0.00 0.00 0.00 141.00
1988 0.00 0.00 0.00 0.00 0.00 1.50 46.50 49.50 5.50 0.00 0.00 0.00 103.00
1989 0.00 0.00 0.00 0.00 0.00 1.50 49.50 105.00 30.50 0.00 0.00 0.00 186.50
1990 0.00 0.00 0.00 0.00 0.00 3.50 25.50 73.50 24.00 0.50 0.00 0.00 127.00
1991 0.00 0.00 0.00 0.00 0.00 1.00 48.50 62.00 26.50 0.00 0.00 0.00 138.00
1992 0.00 0.00 0.00 0.00 0.00 3.50 20.00 40.00 6.50 0.00 0.00 0.00 70.00
1993 0.00 0.00 0.00 0.00 0.00 6.00 65.00 90.50 36.00 1.00 0.00 0.00 198.50
1994 0.00 0.00 0.00 0.00 0.00 1.50 52.00 105.50 24.00 0.00 0.00 0.00 183.00
1995 0.00 0.00 0.00 0.00 0.00 9.50 42.00 32.00 28.50 0.00 0.00 0.00 112.00
1996 0.00 0.00 0.00 0.00 0.00 0.50 50.50 65.00 16.00 0.00 0.00 0.00 132.00
1997 0.00 0.00 0.00 0.00 10.50 9.00 105.50 163.50 22.00 0.00 0.00 0.00 310.50
1998 0.00 0.00 0.00 0.00 0.00 4.50 49.50 66.50 11.50 0.00 0.00 0.00 132.00
1999 0.00 0.00 0.00 0.00 0.00 1.50 38.00 21.70 a 7.00 0.00 a 0.00 0.00 a 68.20
2000 0.00 a 0.00 0.00 0.00 0.00 a 14.50 12.00 70.78 a 7.50 0.00 a 0.00 0.00 104.78
2001 0.00 a 0.00 0.00 0.00 0.00 4.66 a 68.50 101.00 5.00 0.00 0.00 0.00 a 179.16
2002 0.00 0.00 0.00 0.00 0.00 16.00 70.00 92.00 20.50 1.00 0.00 0.00 a 199.50
2003 0.00 0.00 0.00 0.00 0.00 7.00 42.00 105.00 13.50 0.50 0.00 0.00 168.00
2004 0.00 0.00 0.00 0.00 0.00 11.50 82.50 137.50 19.00 0.00 0.00 0.00 250.50
2005 0.00 0.00 0.00 0.00 0.00 15.50 73.00 117.00 31.50 0.00 0.00 0.00 237.00
2006 0.00 0.00 0.00 0.00 6.00 4.50 54.00 38.00 7.50 0.00 0.00 0.00 110.00
2007 0.00 0.00 0.00 0.00 0.00 1.50 41.50 110.00 36.21 a 0.00 0.00 0.00 189.21
2008 0.00 0.00 0.00 0.00 0.00 0.00 7.50 32.50 4.50 0.00 0.00 0.00 44.50
2009 0.00 0.00 0.00 0.00 0.00 2.00 41.00 31.00 7.50 2.50 0.00 0.00 84.00
2010 0.00 0.00 0.00 0.00 0.00 0.50 21.50 46.50 40.50 0.00 0.00 0.00 109.00
2011 0.00 0.00 0.00 0.00 0.00 1.00 15.50 69.00 1.00 0.00 0.00 0.00 86.50
2012 0.00 a 0.00 b 0.00 0.00 0.00 0.00 8.00 55.50 9.50 6.95 b 0.00 d 0.00 79.95
2013 0.00 0.00 d 0.00 0.00 a 0.00 f 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 0.00 0.36 5.14 45.04 66.85 16.54 0.64 0.05 0.00 133.33
S.D. 0.00 0.00 0.00 0.00 1.56 7.45 29.48 35.18 13.31 1.60 0.38 0.00 66.09
SKEW 0.00 0.00 0.00 0.00 5.28 2.30 0.67 0.62 0.70 2.95 7.68 0.00 0.53
MAX 0.00 0.00 0.00 0.00 10.50 35.00 125.50 163.50 52.50 7.50 3.00 0.00 312.00
MIN 0.00 0.00 0.00 0.00 0.00 0.00 3.00 8.00 0.00 0.00 0.00 0.00 22.50
NO YRS 62 63 64 64 63 62 63 63 63 63 62 62 60