Weather History for Sitka, AK

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 38 °F 30 °F
Mean Temperature 42 °F 35 °F 26 °F
Min Temperature 39 °F 31 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 38 30 23 939
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 29 °F 10 °F
Precipitation  
Precipitation 1.80 in 0.20 in 0.00 in 6.13 in
Snowdepth - - - -
Wind  
Wind 32 mph 10 mph 0 mph
Gust Wind 40 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.27 in 29.57 in 28.81 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 30, 2012 Rise Set
Actual Time 8:40 AM AKST 3:28 PM AKST
Civil Twilight 7:51 AM AKST 4:17 PM AKST
Nautical Twilight 7:00 AM AKST 5:08 PM AKST
Astronomical Twilight 6:13 AM AKST 5:55 PM AKST
Moon 6:44 PM AKST 9:20 AM AKST
Length of Visible Light 8h 26m
Length of Day
6h 48m
Waning Gibbous, 94% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Weather History Calendar

Precipitation Actual month total 6.13 Average Month Total: 8.01
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Snow
Actual:
32 | 26 0.10
Average:
39 | 31 0.13
Snow
Actual:
30 | 26 0.15
Average:
39 | 31 0.20
Snow
Actual:
37 | 30 0.01
Average:
39 | 31 0.24
Snow
Actual:
37 | 35 0.00
Average:
39 | 31 0.23
Snow
Actual:
37 | 33 0.17
Average:
40 | 32 0.46
Snow
Actual:
37 | 30 0.13
Average:
40 | 33 0.31
Snow
Actual:
36 | 30 0.14
Average:
40 | 33 0.33
Snow
Actual:
37 | 30 0.09
Average:
39 | 32 0.31
Thunderstorm
Actual:
45 | 39 0.21
Average:
39 | 32 0.27
Rain
Actual:
44 | 37 1.80
Average:
39 | 31 0.26
Rain
Actual:
41 | 30 0.04
Average:
40 | 31 0.21
Rain
Actual:
44 | 32 0.61
Average:
40 | 33 0.34
Thunderstorm
Actual:
44 | 36 0.23
Average:
40 | 32 0.30
Rain
Actual:
41 | 37 0.80
Average:
40 | 32 0.28
Thunderstorm
Actual:
41 | 33 0.50
Average:
39 | 32 0.17
Snow
Actual:
35 | 30 0.13
Average:
40 | 32 0.27
Snow
Actual:
32 | 24 0.05
Average:
40 | 32 0.34
Mostly Cloudy
Actual:
34 | 25 0.00
Average:
41 | 34 0.32
Partly Cloudy
Actual:
37 | 34 0.00
Average:
41 | 33 0.28
Partly Cloudy
Actual:
36 | 27 0.00
Average:
39 | 30 0.20
Clear
Actual:
30 | 24 0.00
Average:
38 | 30 0.18
Snow
Actual:
30 | 23 0.00
Average:
38 | 31 0.17
Snow
Actual:
34 | 28 0.00
Average:
41 | 33 0.23
Snow
Actual:
37 | 30 0.00
Average:
42 | 35 0.35
Partly Cloudy
Actual:
39 | 36 0.00
Average:
41 | 33 0.37
Partly Cloudy
Actual:
37 | 28 0.00
Average:
40 | 32 0.28
Snow
Actual:
42 | 35 0.04
Average:
38 | 30 0.14
Rain
Actual:
41 | 37 0.44
Average:
38 | 31 0.26
Rain
Actual:
46 | 36 0.00
Average:
38 | 31 0.16
Rain
Actual:
45 | 39 0.24
Average:
39 | 31 0.18
Rain
Actual:
44 | 35 0.25
Average:
39 | 31 0.24
 

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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 32 29 26 25 23 18 93 82 56 29.23 29.19 29.13 10 4 0 14 6 - 0.10 Fog , Snow
2 30 28 26 28 26 23 100 90 72 29.16 29.10 29.06 10 4 1 10 3 - 0.15 Snow
3 37 34 30 29 26 24 93 75 59 29.34 29.25 29.13 10 8 2 22 9 32 0.01 Snow
4 37 36 35 31 26 24 82 67 62 29.38 29.18 29.06 10 10 3 18 13 29 0.00 Rain , Snow
5 37 35 33 34 30 25 100 83 60 29.70 29.59 29.41 10 6 0 18 13 25 0.17 Fog , Snow
6 37 34 30 34 29 26 100 85 65 29.73 29.67 29.49 10 6 0 23 11 28 0.13 Fog , Snow
7 36 33 30 34 31 27 100 92 70 30.09 29.84 29.57 10 6 0 23 10 34 0.14 Rain , Snow
8 37 34 30 34 29 26 93 80 65 30.11 29.92 29.67 10 7 2 26 13 37 0.09 Rain , Snow
9 45 42 39 43 39 34 100 86 74 30.00 29.88 29.68 10 8 4 24 14 38 0.21 Rain , Thunderstorm
10 44 40 37 41 39 37 100 93 81 30.01 29.56 29.24 10 6 2 15 8 25 1.80 Rain
11 41 36 30 40 36 29 100 92 76 29.87 29.54 29.27 10 10 7 21 6 20 0.04 Rain
12 44 38 32 43 38 29 100 96 86 29.88 29.65 29.39 10 6 2 18 7 23 0.61 Rain
13 44 40 36 43 36 33 100 86 70 29.62 29.53 29.40 10 8 3 32 12 40 0.23 Rain , Thunderstorm
14 41 39 37 37 35 34 93 87 76 29.59 29.17 28.81 10 8 4 24 13 37 0.80 Rain
15 41 37 33 38 34 30 100 91 81 29.19 29.07 28.82 10 8 2 18 9 22 0.50 Rain , Snow , Thunderstorm
16 35 32 30 34 32 26 100 94 82 29.19 29.18 29.16 10 5 0 13 6 - 0.13 Fog , Snow
17 32 28 24 31 27 23 100 94 72 29.65 29.34 29.20 10 6 1 8 3 - 0.05 Snow
18 34 30 25 29 24 21 96 75 61 29.65 29.43 29.11 10 10 7 22 10 33 0.00  
19 37 36 34 25 23 21 70 59 54 29.41 29.17 29.03 10 10 7 30 17 37 0.00  
20 36 32 27 22 17 12 61 57 51 29.76 29.61 29.43 10 10 7 16 10 24 0.00  
21 30 28 24 15 12 10 60 53 49 29.82 29.79 29.76 10 10 10 14 8 21 0.00  
22 30 26 23 22 16 10 81 64 53 29.76 29.66 29.60 10 10 9 9 5 - 0.00 Snow
23 34 31 28 23 19 15 75 63 53 29.83 29.70 29.64 10 10 8 21 6 26 0.00 Snow
24 37 34 30 25 21 16 80 60 44 29.94 29.87 29.78 10 9 2 28 19 39 0.00 Snow
25 39 38 36 30 24 17 76 59 46 29.76 29.68 29.64 10 10 10 22 16 36 0.00  
26 37 32 28 30 27 26 89 79 65 29.81 29.78 29.70 10 10 10 15 4 - 0.00  
27 42 38 35 32 30 27 82 70 61 29.73 29.62 29.58 10 8 5 28 19 36 0.04 Rain , Snow
28 41 39 37 38 37 33 100 94 73 30.05 29.88 29.68 10 7 2 15 8 21 0.44 Rain
29 46 41 36 40 36 35 100 84 66 30.09 30.02 29.87 10 10 8 22 7 30 0.00 Rain
30 45 42 39 39 37 35 97 78 68 29.86 29.77 29.70 10 9 6 22 18 30 0.24 Rain
31 44 40 35 39 37 33 100 91 65 30.27 30.07 29.77 10 8 4 14 7 - 0.25 Rain