KETCHIKAN, ALASKA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(504590)

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.
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 49.57 41.96 g 41.93 a 26.84 39.45
1950 12.58 32.93 32.45 35.40 40.68 c 48.63 49.29 50.65 47.87 38.87 29.33 33.88 f 38.06
1951 27.00 28.79 27.45 35.70 42.52 48.67 53.13 53.00 48.63 39.81 35.83 29.32 39.15
1952 23.22 h 32.14 a 32.03 36.87 40.77 46.10 51.13 52.19 47.27 46.35 38.43 34.94 41.66
1953 24.65 35.14 34.94 37.23 45.48 49.63 53.35 51.32 46.74 c 42.44 d 35.50 34.55 40.92
1954 25.77 29.89 31.61 31.53 43.43 h 46.80 49.45 53.81 49.20 42.61 43.03 32.94 39.70
1955 35.00 32.57 29.65 e 34.23 39.82 c 45.00 48.84 50.23 46.37 40.55 26.50 24.19 37.75
1956 29.23 26.72 30.19 36.20 41.58 45.70 50.81 51.61 43.83 38.32 c 35.10 31.48 38.40
1957 23.45 28.50 32.71 36.03 43.55 48.13 49.94 51.97 51.40 40.48 37.80 32.94 39.74
1958 36.19 34.04 33.10 37.90 44.90 52.80 54.90 52.97 46.90 41.90 34.67 35.39 42.14
1959 29.68 29.50 33.52 36.23 42.23 48.57 52.19 49.97 47.17 42.42 34.63 34.65 40.06
1960 32.26 ----- z 33.52 b 38.17 42.74 46.60 50.90 51.45 47.23 43.55 37.50 36.52 41.86
1961 33.84 33.75 35.26 37.93 43.68 48.77 52.10 53.90 45.90 40.77 33.50 31.68 40.92
1962 32.71 30.04 29.61 37.07 39.84 46.33 51.23 51.84 48.23 42.32 39.10 33.26 40.13
1963 30.06 37.32 32.58 35.37 40.74 45.07 50.90 52.55 50.63 41.19 29.70 32.94 39.92
1964 30.04 d 34.07 30.90 33.77 37.94 45.53 48.45 46.29 43.17 38.74 32.13 19.61 36.72
1965 26.13 31.57 31.90 34.10 36.90 41.87 50.45 49.71 47.63 42.06 31.93 29.87 37.84
1966 23.16 30.82 32.87 34.10 38.10 45.50 51.06 49.90 46.43 38.29 32.57 33.23 38.00
1967 29.77 33.54 28.26 32.87 38.87 48.00 50.23 52.19 48.97 41.19 35.07 31.58 39.21
1968 26.52 30.90 35.23 33.47 41.84 45.40 50.39 49.48 46.23 40.06 35.93 25.10 38.38
1969 12.26 28.79 32.13 36.90 41.48 50.23 49.71 48.77 49.03 40.16 36.97 35.52 38.50
1970 26.23 36.18 34.90 34.47 39.10 45.37 47.42 49.06 43.90 40.35 30.77 26.84 37.88
1971 22.97 30.00 30.23 33.67 36.87 43.23 51.48 52.29 44.97 36.74 33.43 22.40 a 36.52
1972 17.84 27.10 31.23 30.67 38.26 43.73 48.90 49.58 43.07 38.35 34.93 27.71 35.95
1973 26.71 29.96 34.06 38.50 39.00 41.37 45.35 45.77 42.97 36.45 22.73 30.03 36.08
1974 21.52 31.46 28.45 39.13 39.39 43.80 47.81 51.90 50.40 41.45 36.17 36.06 38.96
1975 28.48 23.75 31.26 36.13 40.45 45.40 51.10 49.00 47.13 38.19 30.97 30.42 37.69
1976 31.00 28.07 29.68 34.31 a 39.84 44.47 48.19 49.00 45.97 37.03 34.83 32.26 37.89
1977 31.35 36.14 32.06 35.07 39.32 46.03 49.00 51.61 43.27 39.10 28.30 22.26 37.79
1978 23.48 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.55 33.83 28.94 32.45
1979 24.07 a 24.74 a 34.55 36.73 42.48 47.45 h 53.32 54.10 a 50.83 a 44.27 a 36.67 f 31.77 a 39.69
1980 24.69 b 32.83 32.68 c 37.63 43.67 a 50.03 a ----- z 52.33 a ----- z 44.20 a 39.53 28.23 a 38.58
1981 39.48 ----- z 36.61 36.83 ----- z 46.52 a 53.90 a 54.43 a 48.79 b 40.97 37.93 a 30.79 b 42.63
1982 21.21 b ----- z ----- z 33.39 b ----- z ----- z ----- z ----- z 48.96 c 41.07 a ----- z ----- z 36.16
1983 33.58 36.93 34.00 a 38.67 43.27 a 48.11 c 50.75 c 51.87 a 45.77 41.58 ----- z ----- z 42.45
1984 34.87 35.44 b 38.42 36.97 41.41 b 47.03 51.32 51.84 46.20 39.55 32.47 26.00 40.13
1985 ----- z ----- z ----- z ----- z ----- z ----- z 51.42 51.13 ----- z ----- z ----- z ----- z 51.27
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.37 45.00 b 33.90 a 35.68 39.99
1987 33.86 b 36.25 ----- z 38.30 43.90 a 48.57 53.29 53.23 48.77 42.81 37.87 33.63 a 42.77
1988 ----- z ----- z ----- z 37.27 42.84 47.07 50.74 53.52 47.53 43.84 38.10 31.77 43.63
1989 29.23 25.89 30.16 36.00 42.97 48.13 52.61 54.00 49.03 40.58 35.50 39.03 40.26
1990 30.42 27.50 35.00 a 39.13 44.81 48.70 52.55 54.00 48.03 38.29 29.63 26.77 39.57
1991 23.48 35.36 29.97 37.17 42.45 48.63 50.87 53.13 48.30 37.16 38.90 36.32 40.15
1992 36.29 33.48 34.97 36.57 42.52 49.17 53.06 52.26 43.33 38.00 37.33 28.03 40.42
1993 27.13 33.04 31.35 38.43 46.77 48.57 53.55 54.68 49.47 44.87 35.60 37.23 41.72
1994 37.19 26.29 37.06 41.37 44.55 51.50 54.65 56.26 49.70 42.48 33.43 31.81 42.19
1995 32.39 32.50 33.52 39.90 44.74 49.73 54.52 50.68 51.23 42.84 35.37 32.35 41.65
1996 22.10 32.34 32.74 37.67 40.29 48.20 51.65 52.45 45.43 41.03 a 31.90 33.89 v 39.62
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 31.39 34.60 39.16 46.79 a 49.55 50.97 44.27 41.16 36.80 34.61 40.93
2000 26.13 29.28 34.16 35.47 39.32 46.80 52.00 51.16 46.30 40.16 37.57 31.13 39.12
2001 36.10 28.89 31.74 34.07 40.06 46.83 51.26 53.10 48.53 39.94 33.57 30.06 39.51
2002 32.00 28.68 24.32 31.33 39.26 47.37 50.45 50.68 46.27 41.03 38.67 34.13 38.68
2003 34.19 31.32 29.29 35.93 38.10 48.07 50.61 50.29 48.33 41.03 30.23 32.35 39.15
2004 27.10 31.21 32.48 36.53 43.48 50.10 53.03 52.19 44.27 39.45 34.83 31.97 39.72
2005 28.35 30.61 34.71 38.47 44.90 49.00 51.16 52.29 46.40 39.74 35.03 33.39 40.34
2006 31.97 27.29 26.55 34.10 41.45 49.10 52.00 49.32 47.60 39.52 26.23 33.68 38.23
2007 31.52 31.96 31.58 35.27 39.35 46.83 52.29 50.45 47.00 40.13 33.77 28.71 39.07
2008 28.58 29.97 31.77 32.40 42.71 45.43 50.39 52.58 g 49.43 40.87 38.20 26.29 37.82
2009 28.52 26.71 29.45 36.00 42.00 48.70 55.16 53.84 47.60 40.13 35.23 26.87 39.18
2010 37.00 36.04 35.48 36.87 42.84 48.10 52.65 53.94 47.67 41.77 34.37 30.84 41.46
2011 30.48 27.32 30.74 34.37 42.16 49.87 52.19 51.16 49.47 41.19 32.20 32.61 39.48
2012 27.32 31.72 30.74 37.23 40.81 47.37 51.87 52.65 48.53 37.35 36.03 30.03 39.31
2013 34.97 35.43 31.48 35.27 45.25 g ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.29
Period of Record Statistics
MEAN 28.67 31.16 32.12 35.98 41.42 47.27 51.24 51.65 47.26 40.76 34.54 31.04 39.22
S.D. 5.66 3.34 2.63 2.16 2.32 2.23 1.94 1.98 2.17 2.16 3.76 3.98 1.52
SKEW -0.66 -0.07 -0.27 -0.20 0.06 -0.33 -0.34 -0.54 -0.27 0.20 -0.62 -0.63 -0.09
MAX 39.48 37.32 38.42 41.37 46.77 52.80 55.16 56.26 51.40 46.35 43.03 39.03 42.19
MIN 12.26 23.75 24.32 30.67 36.87 41.37 45.35 45.77 42.97 36.45 22.73 19.61 35.95
NO YRS 57 54 56 59 55 56 57 57 59 60 58 57 44