KETCHIKAN, ALASKA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(504590)

File last updated on Apr 3, 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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 63.30 51.50 g 52.72 a 37.00 51.01
1950 28.87 41.57 47.65 49.07 53.43 c 68.33 64.32 67.29 63.27 52.68 40.57 43.64 f 52.46
1951 38.42 40.75 39.87 50.43 55.52 64.23 68.26 67.42 62.33 50.77 45.47 37.23 51.73
1952 33.39 h 40.89 a 42.68 45.87 57.55 58.93 67.84 65.65 59.77 55.71 46.00 43.00 53.08
1953 34.26 43.43 43.52 52.30 58.87 63.20 66.35 66.81 61.44 c 54.89 d 46.73 43.81 52.97
1954 35.42 40.00 44.29 45.40 58.70 h 58.50 61.13 68.29 63.73 52.45 50.63 41.84 51.06
1955 42.87 40.79 40.58 e 49.80 53.43 c 60.73 64.77 59.68 59.50 50.00 38.13 34.10 49.53
1956 39.94 39.00 43.77 52.70 60.35 59.77 66.87 64.00 62.00 49.32 c 45.63 41.55 52.08
1957 36.84 38.93 46.68 50.07 59.61 60.97 63.90 69.13 65.13 54.94 48.20 41.42 52.98
1958 47.39 45.96 48.26 56.13 60.61 71.57 72.71 63.77 59.40 52.39 42.30 43.77 55.36
1959 37.90 42.71 43.87 51.70 58.58 62.63 65.61 64.48 60.57 53.74 45.67 45.97 52.79
1960 42.10 ----- z 45.66 b 52.73 57.35 55.60 62.03 64.74 59.50 53.84 45.70 44.87 53.10
1961 45.90 43.07 46.35 50.83 58.32 60.80 70.00 68.65 62.57 52.10 43.77 39.87 53.52
1962 42.52 43.50 42.77 49.03 56.19 59.13 67.10 65.61 60.23 54.16 49.83 44.61 52.89
1963 41.71 49.68 46.52 52.97 61.23 60.03 66.71 70.94 62.73 53.94 42.33 45.19 54.50
1964 40.89 d 46.03 43.39 48.37 56.13 65.37 62.94 63.42 62.10 53.03 44.53 33.61 51.65
1965 39.06 41.89 47.97 52.33 55.45 61.87 67.42 69.45 65.47 53.84 45.80 41.97 53.54
1966 38.00 44.57 46.87 52.13 55.35 62.27 70.68 64.52 60.33 51.58 44.90 44.29 52.96
1967 42.45 44.18 42.39 53.77 59.45 69.83 64.29 69.52 62.23 54.23 46.47 41.29 54.17
1968 38.39 46.03 48.61 48.57 63.42 63.60 67.94 66.45 59.00 53.06 48.83 37.45 53.45
1969 31.19 43.04 46.23 50.63 62.35 69.80 61.19 60.65 59.80 56.97 49.97 48.32 53.34
1970 40.19 49.50 49.03 50.53 54.03 63.60 63.81 63.84 57.03 51.81 45.70 37.29 52.20
1971 34.55 42.00 40.32 45.83 52.45 58.07 68.23 63.42 58.93 49.61 44.23 35.77 a 49.45
1972 32.19 37.86 43.45 45.03 57.81 61.70 68.03 65.52 60.07 52.06 47.00 40.03 50.90
1973 39.35 43.00 45.26 51.40 55.71 58.97 62.35 63.16 61.33 49.32 38.30 42.10 50.85
1974 34.39 41.11 42.29 51.30 54.35 56.97 63.00 67.61 64.80 50.81 44.80 45.39 51.40
1975 38.03 36.14 41.97 50.03 56.61 59.93 63.48 64.45 61.33 52.10 41.47 39.87 50.45
1976 39.94 38.24 41.29 51.41 a 52.90 62.63 64.52 66.23 61.77 53.48 48.03 42.94 51.95
1977 40.23 47.75 45.10 52.43 60.74 62.43 67.03 75.48 63.23 51.74 40.00 33.29 53.29
1978 38.61 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 51.71 42.50 38.00 42.71
1979 35.73 a 35.67 a 45.68 51.03 52.55 58.62 f 65.06 69.00 a 59.93 a 53.73 a 47.62 a 41.10 a 50.65
1980 35.14 b 44.24 42.48 b 49.30 57.47 a 65.17 a ----- z 64.13 a ----- z 53.57 a 47.77 38.23 a 49.75
1981 47.90 ----- z 46.80 k 49.11 u ----- z 59.03 a 66.37 a 66.17 a 57.89 b 51.03 47.79 a 39.41 b 54.45
1982 31.72 b ----- z ----- z 45.93 b ----- z ----- z ----- z ----- z 59.39 b 49.77 ----- z ----- z 46.70
1983 43.10 45.68 47.10 52.03 56.20 a 60.96 b 63.50 a 61.26 56.20 50.13 ----- z ----- z 53.62
1984 42.42 42.43 a 46.65 49.00 53.35 57.60 60.39 62.58 58.63 50.35 40.30 36.00 49.98
1985 ----- z ----- z ----- z ----- z ----- z ----- z 65.94 61.74 ----- z ----- z ----- z ----- z 63.84
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.80 54.10 a 43.23 43.23 50.34
1987 42.06 44.70 a ----- z 48.23 53.97 58.13 66.00 67.13 58.30 52.35 47.17 42.87 a 52.81
1988 ----- z ----- z ----- z 49.30 55.23 59.57 61.03 62.87 57.00 52.45 45.60 40.06 53.68
1989 38.00 b 37.14 42.65 52.97 56.39 63.83 64.97 64.35 60.93 50.58 44.23 45.16 51.77
1990 38.10 36.82 45.23 a 51.37 56.90 60.97 67.87 65.87 59.37 48.23 39.50 36.58 50.57
1991 35.65 44.29 41.16 48.93 54.77 60.10 61.65 62.42 57.73 48.19 45.93 43.81 50.39
1992 43.48 43.55 45.45 49.53 55.19 62.20 63.81 64.23 54.67 49.16 46.07 36.97 51.19
1993 37.13 44.29 44.84 50.77 60.13 62.73 66.61 67.55 61.30 53.42 45.13 44.26 53.18
1994 43.26 34.21 45.48 52.50 56.42 60.80 65.32 68.48 58.93 51.81 41.77 39.06 51.50
1995 42.03 41.43 43.52 53.40 59.26 62.20 64.58 61.77 63.53 50.35 43.00 39.68 52.06
1996 32.10 41.21 44.65 49.10 55.26 57.70 62.87 61.61 55.77 49.53 a 40.63 40.67 v 50.04
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z 42.68 47.97 50.03 57.80 63.52 63.23 56.43 50.26 44.07 41.26 51.72
2000 36.10 41.24 44.81 48.60 55.29 62.20 63.84 63.55 59.20 51.03 45.87 40.16 50.99
2001 43.55 40.14 43.29 49.23 50.58 58.97 61.45 63.71 57.60 50.00 42.57 39.97 50.09
2002 39.58 38.61 37.81 47.50 53.19 60.33 61.97 62.26 58.03 51.77 48.37 42.61 50.17
2003 43.00 40.04 41.94 50.10 55.39 59.90 63.58 63.87 57.73 52.35 40.67 40.97 50.79
2004 35.90 43.14 45.55 52.03 59.97 66.27 67.77 69.68 58.97 49.94 43.70 40.52 52.79
2005 38.71 40.82 45.68 52.23 61.29 64.57 62.13 65.94 58.47 50.48 42.90 42.61 52.15
2006 40.52 39.82 40.52 46.83 54.68 61.50 64.32 61.48 57.43 50.77 36.33 42.26 49.71
2007 38.74 40.39 41.00 48.10 55.23 61.67 62.55 66.26 57.53 48.84 42.20 35.48 49.83
2008 36.26 39.10 42.52 46.47 55.52 57.67 59.71 62.79 g 59.17 50.03 46.27 35.10 47.98
2009 37.90 37.79 38.87 48.50 56.13 63.00 67.77 64.32 56.50 50.45 42.60 36.68 50.04
2010 44.87 45.46 43.90 49.77 57.42 58.50 65.55 65.65 60.10 51.87 43.27 39.26 52.13
2011 38.81 36.68 43.94 47.57 55.68 60.17 61.48 62.26 58.07 50.48 40.53 40.52 49.68
2012 36.77 42.38 40.90 50.17 51.23 58.10 63.16 62.32 58.07 48.65 43.67 37.94 49.45
2013 40.87 42.39 42.80 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.02
Period of Record Statistics
MEAN 38.96 41.76 43.96 50.02 56.41 61.48 64.86 65.19 59.94 51.70 44.49 40.48 51.74
S.D. 4.00 3.35 2.53 2.35 2.96 3.30 2.73 2.94 2.44 1.95 3.27 3.41 1.52
SKEW -0.14 0.09 -0.12 -0.10 0.21 1.03 0.44 0.80 0.28 0.34 -0.08 -0.15 0.24
MAX 47.90 49.68 49.03 56.13 63.42 71.57 72.71 75.48 65.47 56.97 52.72 48.32 55.36
MIN 28.87 34.21 37.81 45.03 50.03 55.60 59.71 59.68 54.67 48.19 36.33 33.29 49.45
NO YRS 57 54 55 57 55 56 57 57 59 60 59 57 44