KETCHIKAN, ALASKA

Monthly Total Precipitation (inches)

(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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 28.07 22.52 g 21.41 a 6.56 56.04
1950 1.65 16.58 10.19 15.35 9.96 c 3.51 16.95 16.67 20.63 15.28 12.73 14.25 f 139.50
1951 14.98 12.28 17.22 12.38 7.28 12.89 5.82 7.86 7.65 17.73 12.89 13.47 142.45
1952 10.35 g 11.90 a 13.25 18.34 7.78 9.56 8.47 12.35 22.48 18.13 13.50 13.55 149.31
1953 10.26 22.08 19.04 13.47 12.73 3.70 8.82 7.73 19.04 c 26.45 d 21.42 24.22 188.96
1954 11.12 25.60 6.05 11.28 5.15 i 8.52 7.01 0.90 11.03 27.27 20.16 25.64 154.58
1955 19.29 13.54 8.85 e 11.98 11.87 c 9.18 2.68 20.83 12.72 26.76 12.31 4.94 154.95
1956 5.34 10.25 10.90 14.01 13.82 11.58 4.62 25.33 6.56 21.20 c 22.75 23.16 169.52
1957 2.92 8.38 7.96 11.52 7.46 6.99 8.00 7.75 8.62 14.81 22.02 16.54 122.97
1958 20.01 9.66 3.94 13.12 13.20 0.99 4.43 20.78 13.67 31.47 16.28 15.25 162.80
1959 10.83 10.65 20.10 9.70 6.92 6.00 9.88 11.67 13.62 25.83 22.80 30.63 178.63
1960 15.22 0.00 z 9.01 b 15.70 7.22 7.97 15.29 6.48 12.48 35.56 14.85 20.87 160.65
1961 15.10 19.82 11.37 11.62 6.55 7.87 4.92 a 17.12 10.42 34.64 16.74 18.45 174.62
1962 31.28 1.11 12.04 17.30 4.43 10.76 4.53 9.00 16.56 18.91 20.20 23.52 169.64
1963 15.77 21.04 6.34 10.88 6.83 13.10 6.69 0.95 26.98 26.99 15.59 18.40 169.56
1964 16.72 d 18.23 9.78 9.65 6.56 5.37 10.97 19.54 11.18 31.10 16.71 9.53 165.34
1965 18.48 20.23 4.85 9.19 5.92 b 5.63 2.39 5.51 1.77 26.45 10.77 16.10 127.29
1966 17.61 12.09 21.71 4.63 21.03 5.46 3.80 11.24 19.50 22.70 10.13 14.37 164.27
1967 13.70 23.69 2.75 4.51 11.44 5.32 17.57 21.27 21.95 23.32 9.21 16.52 171.25
1968 17.07 11.55 14.45 22.51 3.45 4.14 7.42 13.18 21.51 30.62 23.12 6.66 175.68
1969 4.94 5.48 5.37 18.01 5.60 5.92 13.27 13.19 5.73 13.09 42.98 22.15 155.73
1970 16.01 13.06 12.96 16.89 14.47 11.79 11.18 15.80 21.59 23.58 2.80 11.33 171.46
1971 8.29 16.44 14.01 14.08 6.41 6.80 0.93 13.00 9.91 23.92 20.92 9.67 a 144.38
1972 12.64 15.88 18.46 16.32 8.45 8.10 8.09 18.56 9.29 24.20 11.40 12.38 163.77
1973 16.32 11.33 14.83 7.99 16.57 9.20 11.65 8.29 23.05 21.42 6.24 16.76 163.65
1974 9.36 19.08 3.94 11.35 15.71 10.17 5.04 5.97 8.14 42.37 27.73 23.99 182.85
1975 17.06 9.55 10.09 8.61 8.43 8.01 10.87 7.94 10.48 12.83 13.46 22.29 139.62
1976 21.61 8.94 14.96 14.74 15.05 5.41 11.40 14.87 14.85 16.26 15.63 21.35 175.07
1977 9.86 22.14 12.20 11.56 4.84 11.35 7.74 4.30 8.46 30.34 15.13 6.95 144.87
1978 5.70 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 29.60 14.29 9.70 59.29
1979 7.27 7.09 6.96 2.03 13.00 9.30 5.22 1.56 15.86 15.77 8.56 b 19.36 111.98
1980 5.29 11.55 12.99 22.20 8.14 1.78 0.00 z 8.46 0.00 z 23.43 23.14 13.35 130.33
1981 6.81 0.00 z 15.84 14.12 0.00 z 9.35 4.80 11.71 21.77 14.37 21.82 7.65 128.24
1982 3.75 b 0.00 z 0.00 z 13.02 b 0.00 z 0.00 z 0.00 z 0.00 z 8.59 21.33 0.00 z 0.00 z 46.69
1983 16.70 9.27 2.97 5.48 7.62 a 8.00 a 11.65 a 16.36 10.94 20.58 0.00 z 0.00 z 109.57
1984 19.83 15.56 a 13.66 6.43 9.99 14.32 8.30 11.28 9.72 14.98 11.47 c 10.11 c 145.65
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.18 11.59 0.00 z 0.00 z 0.00 z 0.00 z 13.77
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 10.97 38.67 a 16.58 12.76 78.98
1987 17.85 12.43 0.00 z 14.46 11.57 11.57 1.52 4.78 22.28 16.11 31.73 13.65 a 157.95
1988 0.00 z 0.00 z 0.00 z 11.20 9.40 9.68 12.38 10.06 12.29 21.38 25.02 10.49 121.90
1989 21.63 0.82 4.73 2.73 3.08 2.70 2.30 1.30 6.49 19.13 14.80 19.49 99.20
1990 9.47 9.49 9.18 8.11 3.59 6.84 3.81 4.25 b 6.49 14.10 9.64 16.57 101.54
1991 12.25 18.60 7.52 6.05 10.45 3.80 8.46 11.81 5.97 13.33 19.75 24.66 142.65
1992 16.95 7.66 6.93 9.14 8.99 2.42 a 3.05 4.17 23.25 10.40 16.46 5.76 115.18
1993 12.25 21.78 5.49 2.90 7.06 2.22 5.26 2.77 2.83 14.80 14.82 13.48 a 105.66
1994 10.97 4.77 9.74 5.40 10.23 6.20 3.42 2.61 18.18 18.16 10.99 8.49 109.16
1995 2.79 6.05 7.14 4.26 2.52 3.44 4.13 5.10 4.47 20.00 b 13.14 15.41 88.45
1996 5.10 7.21 7.60 8.75 2.68 8.45 0.36 13.01 13.67 20.04 8.88 4.63 v 95.75
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 12.13 11.00 19.72 9.56 6.12 16.07 20.10 24.87 25.39 14.43 159.39
2000 13.43 11.02 23.83 15.03 8.42 3.96 14.01 13.71 17.34 15.18 24.73 12.33 172.99
2001 24.48 9.51 11.23 11.81 22.44 9.89 8.57 16.21 21.79 18.06 14.26 15.65 183.90
2002 9.70 13.17 5.86 2.07 13.75 12.02 4.60 22.35 15.29 9.81 19.53 23.51 151.66
2003 19.63 a 6.69 13.99 6.98 13.36 8.67 4.41 12.08 19.39 15.31 16.92 17.28 154.71
2004 29.48 10.29 12.58 9.10 6.46 3.57 4.60 5.19 13.84 21.25 18.52 19.36 154.24
2005 25.06 14.33 18.92 9.63 4.26 4.80 19.02 10.64 15.32 25.72 27.95 20.38 196.03
2006 15.12 8.02 4.28 19.56 8.72 7.37 9.59 9.49 18.36 15.43 13.98 31.53 161.45
2007 18.37 11.05 19.43 23.03 7.48 3.94 10.04 6.05 9.97 32.51 12.30 15.30 169.47
2008 10.02 18.59 14.63 12.91 9.21 11.78 14.23 12.22 5.38 25.37 20.53 9.50 164.37
2009 14.13 13.34 9.19 7.75 6.09 7.31 3.19 13.77 28.28 17.89 20.60 5.50 147.04
2010 22.11 10.90 24.50 4.75 2.12 7.10 2.77 8.19 13.96 34.80 16.35 9.57 157.12
2011 14.89 12.49 10.05 6.17 9.82 2.83 11.93 17.73 28.33 24.13 18.24 14.66 171.27
2012 22.26 9.35 10.69 7.98 19.23 9.85 9.05 5.63 14.41 8.48 17.11 9.86 143.90
2013 13.82 19.75 5.73 7.53 a 11.76 e 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 58.59
Period of Record Statistics
MEAN 14.04 12.80 11.15 10.99 9.48 7.33 7.53 10.83 14.47 21.97 17.28 15.53 152.76
S.D. 6.60 5.61 5.36 5.09 4.70 3.25 4.43 5.93 6.75 7.41 6.62 6.31 25.70
SKEW 0.23 0.27 0.57 0.35 0.80 0.04 0.62 0.29 0.27 0.54 0.98 0.40 -0.82
MAX 31.28 25.60 24.50 23.03 22.44 14.32 19.02 25.33 28.33 42.37 42.98 31.53 196.03
MIN 1.65 0.82 2.75 2.03 2.12 0.99 0.36 0.90 1.77 8.48 2.80 4.94 88.45
NO YRS 57 54 56 59 56 57 57 58 59 60 59 57 46