Weather History for Ketchikan, AK

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 45 °F 41 °F 32 °F
Mean Temperature 43 °F 38 °F 29 °F
Min Temperature 41 °F 35 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 36 27 22 843
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 36 °F 21 °F
Precipitation  
Precipitation 3.39 in 0.40 in 0.00 in 12.40 in
Snowdepth - - - -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 46 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.49 in 30.01 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 17, 2013 Rise Set
Actual Time 8:01 AM AKST 3:53 PM AKST
Civil Twilight 7:18 AM AKST 4:36 PM AKST
Nautical Twilight 6:32 AM AKST 5:22 PM AKST
Astronomical Twilight 5:48 AM AKST 6:06 PM AKST
Moon 9:54 AM AKST (1/17) No Moon Set
Length of Visible Light 9h 17m
Length of Day
7h 51m
Waxing Crescent, 39% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New

Weather History Calendar

Precipitation Actual month total 12.40 Average Month Total: 13.17
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
44 | 37 0.78
Average:
38 | 27 0.54
Rain
Actual:
42 | 33 3.39
Average:
38 | 28 0.48
Rain
Actual:
42 | 35 0.84
Average:
37 | 27 0.26
Rain
Actual:
44 | 39 0.02
Average:
37 | 26 0.32
Rain
Actual:
44 | 37 0.33
Average:
35 | 24 0.42
Rain
Actual:
41 | 37 0.29
Average:
35 | 25 0.36
Snow
Actual:
41 | 34 0.16
Average:
38 | 26 0.49
Rain
Actual:
36 | 32 0.05
Average:
38 | 24 0.34
Clear
Actual:
34 | 30 0.00
Average:
36 | 24 0.31
Partly Cloudy
Actual:
32 | 26 0.00
Average:
36 | 23 0.22
Overcast
Actual:
34 | 30 0.00
Average:
36 | 23 0.32
Snow
Actual:
36 | 32 0.00
Average:
36 | 24 0.40
Rain
Actual:
37 | 33 0.14
Average:
36 | 25 0.15
Fog
Actual:
43 | 37 0.05
Average:
36 | 26 0.38
Rain
Actual:
43 | 39 0.05
Average:
37 | 26 0.51
Rain
Actual:
45 | 41 0.18
Average:
38 | 28 0.64
Rain
Actual:
45 | 41 0.77
Average:
40 | 28 0.74
Rain
Actual:
42 | 33 0.02
Average:
40 | 29 0.69
Mostly Cloudy
Actual:
41 | 36 0.01
Average:
40 | 30 0.41
Rain
Actual:
42 | 37 0.06
Average:
40 | 30 0.34
Rain
Actual:
41 | 33 0.01
Average:
39 | 29 0.32
Rain
Actual:
42 | 35 0.90
Average:
39 | 28 0.62
Rain
Actual:
43 | 39 0.70
Average:
39 | 29 0.56
Rain
Actual:
44 | 39 0.86
Average:
39 | 29 0.36
Rain
Actual:
44 | 39 1.09
Average:
39 | 28 0.24
Rain
Actual:
42 | 37 0.18
Average:
39 | 28 0.51
Snow
Actual:
37 | 33 0.11
Average:
39 | 27 0.42
Snow
Actual:
35 | 28 0.20
Average:
39 | 28 0.45
Snow
Actual:
37 | 28 0.23
Average:
39 | 29 0.39
Rain
Actual:
42 | 35 0.58
Average:
39 | 29 0.48
Rain
Actual:
44 | 41 0.40
Average:
39 | 27 0.50
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 44 40 37 40 33 25 100 75 49 30.36 30.15 29.98 10 9 4 22 10 30 0.78 Rain
2 42 38 33 43 39 34 100 98 92 30.01 29.92 29.83 10 7 3 29 16 37 3.39 Rain
3 42 38 35 40 38 36 100 95 81 29.99 29.90 29.79 10 7 2 18 4 29 0.84 Rain
4 44 42 39 41 38 32 100 91 63 30.10 30.00 29.89 10 10 6 14 6 21 0.02 Rain
5 44 40 37 41 37 31 100 87 60 29.89 29.73 29.66 10 9 3 31 10 39 0.33 Rain
6 41 39 37 38 37 36 100 97 82 29.82 29.72 29.51 10 9 3 15 4 23 0.29 Rain
7 41 38 34 41 37 34 100 99 83 29.84 29.65 29.44 10 8 1 7 4 - 0.16 Rain , Snow
8 36 34 32 36 34 30 100 98 89 29.86 29.74 29.57 10 10 10 13 4 - 0.05 Rain
9 34 32 30 29 26 25 88 80 70 30.18 29.91 29.61 10 10 10 12 8 - 0.00  
10 32 29 26 29 27 25 96 89 82 30.31 30.26 30.21 10 10 10 7 2 - 0.00  
11 34 32 30 30 28 27 92 85 78 30.32 30.28 30.25 10 10 10 6 3 - 0.00  
12 36 34 32 36 32 30 100 93 85 30.45 30.41 30.32 10 10 6 5 1 - 0.00 Snow
13 37 35 33 37 36 34 100 100 100 30.44 30.42 30.40 10 4 2 5 2 - 0.14 Rain
14 43 40 37 42 39 37 100 98 87 30.48 30.44 30.41 10 6 0 13 5 - 0.05 Fog
15 43 41 39 42 40 37 100 94 87 30.49 30.42 30.36 10 8 4 21 12 29 0.05 Rain
16 45 43 41 43 41 39 97 93 87 30.44 30.31 30.06 10 8 2 22 9 29 0.18 Rain
17 45 43 41 43 41 39 97 93 87 30.05 29.93 29.85 10 6 2 30 17 44 0.77 Rain
18 42 38 33 39 35 33 100 93 83 30.29 30.17 30.00 10 10 6 12 2 - 0.02 Rain
19 41 38 36 40 37 33 100 95 89 30.32 30.29 30.27 10 9 6 6 2 - 0.01  
20 42 40 37 39 37 36 100 91 79 30.32 30.28 30.24 10 9 4 10 6 - 0.06 Rain
21 41 37 33 39 37 34 100 96 93 30.23 30.06 29.87 10 8 0 9 6 - 0.01 Fog , Rain
22 42 38 35 39 36 33 96 88 76 29.88 29.77 29.68 10 8 6 15 8 22 0.90 Rain
23 43 41 39 41 39 37 97 92 86 29.82 29.73 29.68 10 8 2 17 10 21 0.70 Rain
24 44 40 39 40 37 34 93 87 73 29.82 29.63 29.37 10 9 5 32 13 46 0.86 Rain
25 44 42 39 40 38 37 100 91 81 29.69 29.57 29.47 10 8 2 22 13 31 1.09 Rain
26 42 40 37 39 37 33 97 91 83 29.76 29.73 29.69 10 9 2 14 8 - 0.18 Rain
27 37 35 33 34 31 27 96 88 75 29.90 29.84 29.75 10 6 1 10 4 16 0.11 Rain , Snow
28 35 32 28 32 30 21 96 89 72 30.12 29.90 29.79 10 7 2 14 5 - 0.20 Snow
29 37 32 28 37 32 25 100 95 85 30.17 30.07 29.98 10 4 0 12 5 - 0.23 Fog , Rain , Snow
30 42 38 35 40 38 36 100 95 85 30.23 30.11 29.89 10 8 3 13 6 21 0.58 Rain
31 44 42 41 43 41 39 100 96 87 30.20 30.01 29.90 10 5 2 16 9 17 0.40 Rain