Weather History for Petersburg, AK

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Month of August, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 62 °F 55 °F
Mean Temperature 63 °F 57 °F 52 °F
Min Temperature 57 °F 51 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 12 9 2 265
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 13 7 2 204
Dew Point  
Dew Point 63 °F 51 °F 43 °F
Precipitation  
Precipitation 1.68 in 0.19 in 0.00 in 6.01 in
Snowdepth - - - -
Wind  
Wind 15 mph 2 mph 0 mph
Gust Wind 25 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 30.00 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 20, 2014 Rise Set
Actual Time 5:30 AM AKDT 8:18 PM AKDT
Civil Twilight 4:47 AM AKDT 9:01 PM AKDT
Nautical Twilight 3:49 AM AKDT 9:58 PM AKDT
Astronomical Twilight 2:30 AM AKDT 11:14 PM AKDT
Moon 12:53 AM AKDT (8/20) 5:29 PM AKDT (8/20)
Length of Visible Light 16h 14m
Length of Day
14h 48m
Waning Crescent, 19% of the Moon is Illuminated
Aug 20
Waning Crescent
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 6.01 Average Month Total: 12.39
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
66 | 46 0.00
Average:
60 | 48 0.20
Scattered Clouds
Actual:
71 | 48 0.00
Average:
60 | 48 0.20
Scattered Clouds
Actual:
69 | 50 0.00
Average:
60 | 48 0.20
Partly Cloudy
Actual:
66 | 53 0.08
Average:
60 | 48 0.21
Mostly Cloudy
Actual:
62 | 53 0.00
Average:
60 | 48 0.21
Rain
Actual:
57 | 51 0.06
Average:
60 | 48 0.21
Rain
Actual:
55 | 50 0.03
Average:
60 | 48 0.22
Rain
Actual:
60 | 51 0.21
Average:
60 | 48 1.06
Rain
Actual:
59 | 53 0.58
Average:
60 | 48 0.22
Rain
Actual:
62 | 57 1.68
Average:
60 | 48 0.23
Rain
Actual:
69 | 57 0.50
Average:
60 | 48 0.23
Fog
Actual:
68 | 55 0.00
Average:
60 | 48 0.24
Rain
Actual:
60 | 51 0.01
Average:
60 | 48 0.25
Partly Cloudy
Actual:
66 | 51 0.01
Average:
59 | 48 0.26
Rain
Actual:
62 | 51 0.38
Average:
59 | 48 0.27
Rain
Actual:
64 | 53 0.00
Average:
59 | 48 0.29
Rain
Actual:
57 | 53 0.49
Average:
59 | 48 0.31
Rain
Actual:
59 | 53 0.10
Average:
59 | 48 0.33
Fog
Actual:
60 | 51 0.00
Average:
58 | 48 0.36
Fog
Actual:
60 | 46 0.00
Average:
58 | 48 0.38
Fog
Actual:
66 | 46 0.00
Average:
58 | 48 0.41
Scattered Clouds
Actual:
71 | 48 0.00
Average:
58 | 48 0.43
Rain
Actual:
64 | 51 0.02
Average:
58 | 48 0.44
Rain
Actual:
59 | 48 0.33
Average:
58 | 47 0.46
Rain
Actual:
60 | 53 0.05
Average:
57 | 47 0.48
Mostly Cloudy
Actual:
60 | 53 0.01
Average:
57 | 47 0.50
Fog
Actual:
60 | 51 0.05
Average:
57 | 47 0.52
Rain
Actual:
59 | 50 0.12
Average:
57 | 46 1.59
Overcast
Actual:
55 | 51 0.63
Average:
57 | 46 0.55
Mostly Cloudy
Actual:
59 | 50 0.46
Average:
56 | 46 0.56
Rain
Actual:
55 | 50 0.21
Average:
56 | 45 0.57
 

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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 56 46 52 48 45 93 74 52 30.24 30.19 30.10 10 10 2 8 3 - 0.00  
2 71 60 48 50 48 45 93 67 43 30.11 30.08 30.03 10 10 10 7 3 - 0.00  
3 69 60 50 54 50 46 88 71 53 30.14 30.08 29.99 10 10 10 8 3 - 0.00  
4 66 60 53 57 54 48 94 79 72 30.04 30.01 29.98 10 10 5 7 2 - 0.08  
5 62 58 53 54 52 48 94 81 63 30.09 30.04 30.01 10 10 10 9 3 - 0.00  
6 57 54 51 54 51 46 94 87 82 30.17 30.14 30.10 10 8 0 7 1 - 0.06 Rain
7 55 52 50 52 50 48 94 90 82 30.12 30.01 29.96 10 6 0 6 1 - 0.03 Fog , Rain
8 60 56 51 55 51 48 94 88 77 30.07 30.04 30.00 10 9 5 6 1 - 0.21 Rain
9 59 56 53 54 52 50 94 84 77 30.05 29.98 29.93 10 8 5 15 5 25 0.58 Rain
10 62 60 57 59 56 54 94 88 82 30.03 29.96 29.91 10 6 3 9 2 17 1.68 Rain
11 69 63 57 63 58 55 94 87 68 30.03 29.95 29.87 10 7 3 6 1 - 0.50 Rain
12 68 62 55 59 56 52 94 80 68 29.95 29.93 29.89 10 10 10 7 3 - 0.00 Fog
13 60 56 51 54 51 48 94 86 72 30.05 29.99 29.94 10 10 0 6 1 - 0.01 Fog , Rain
14 66 58 51 55 53 50 94 82 68 30.07 30.02 29.96 10 10 4 7 2 - 0.01  
15 62 56 51 59 54 48 94 91 77 30.07 29.98 29.93 10 6 0 7 1 - 0.38 Rain
16 64 58 53 54 52 50 94 83 59 30.18 30.14 30.08 10 7 0 9 2 - 0.00 Fog , Rain
17 57 55 53 55 53 52 94 89 82 30.15 30.10 30.00 10 7 2 6 2 - 0.49 Rain
18 59 56 53 54 52 50 94 90 82 30.01 30.00 29.98 10 7 1 7 1 - 0.10 Fog , Rain
19 60 56 51 54 50 48 94 85 72 29.99 29.98 29.96 10 7 0 8 3 - 0.00 Fog
20 60 53 46 52 47 43 100 81 63 29.99 29.97 29.95 10 8 0 7 2 - 0.00 Fog
21 66 56 46 52 49 43 93 76 56 30.16 30.09 29.99 10 10 10 8 2 - 0.00 Fog
22 71 60 48 52 49 45 93 73 46 30.21 30.17 30.12 10 10 10 7 1 - 0.00  
23 64 58 51 54 51 46 94 84 68 30.16 30.14 30.11 10 10 8 6 2 - 0.02 Fog , Rain
24 59 54 48 55 51 46 94 90 82 30.17 30.06 29.95 10 6 0 6 1 - 0.33 Rain
25 60 56 53 57 54 52 94 92 88 29.94 29.93 29.92 10 7 3 5 2 - 0.05 Fog , Rain
26 60 56 53 54 51 48 94 83 63 30.02 29.99 29.92 10 10 7 8 3 - 0.01  
27 60 56 51 54 51 48 94 88 72 30.11 30.07 30.02 10 8 0 7 1 - 0.05 Fog
28 59 54 50 54 50 48 94 87 72 30.07 29.96 29.80 10 6 0 7 1 - 0.12 Fog , Rain
29 55 53 51 52 48 46 94 81 72 29.78 29.62 29.55 10 8 3 15 7 23 0.63  
30 59 54 50 54 50 46 94 88 82 29.77 29.68 29.59 10 8 5 9 1 - 0.46  
31 55 52 50 50 48 46 94 86 77 29.78 29.73 29.69 10 7 2 12 2 20 0.21 Rain