Weather History for Petersburg, AK

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Week of August 25, 2013 through August 31, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 66 °F 62 °F 57 °F
Mean Temperature 58 °F 56 °F 53 °F
Min Temperature 53 °F 50 °F 44 °F
Degree Days  
Heating Degree Days (base 65) 12 9 6 62
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 6 3 41
Dew Point  
Dew Point 55 °F 51 °F 43 °F
Precipitation  
Precipitation 0.17 in 0.07 in 0.00 in 0.52 in
Snowdepth - - - -
Wind  
Wind 13 mph 2 mph 0 mph
Gust Wind 18 mph 17 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.08 in 29.85 in 29.67 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Aug. 31, 2013 Rise Set
Actual Time 5:53 AM AKDT 7:49 PM AKDT
Civil Twilight 5:12 AM AKDT 8:29 PM AKDT
Nautical Twilight 4:21 AM AKDT 9:20 PM AKDT
Astronomical Twilight 3:20 AM AKDT 10:20 PM AKDT
Moon 12:54 AM AKDT (8/31) 5:22 PM AKDT (8/31)
Length of Visible Light 15h 17m
Length of Day
13h 56m
Waning Crescent, 20% of the Moon is Illuminated
Aug 31
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Daily Weather History & Observations

2013 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  
25 64 58 53 52 50 46 94 74 55 29.77 29.73 29.67 10 10 10 13 5 18 0.03  
26 64 58 51 54 51 48 94 84 63 29.79 29.75 29.69 10 10 7 7 2 - 0.17 Fog , Rain
27 57 54 50 54 51 48 94 92 82 29.89 29.81 29.73 10 9 0 6 2 - 0.15  
28 60 54 48 52 48 45 94 83 63 29.90 29.88 29.86 10 6 0 7 2 - 0.00 Fog
29 62 53 44 52 48 43 93 81 59 29.86 29.78 29.72 10 9 0 7 2 - 0.00  
30 66 58 51 55 53 48 94 88 64 30.04 29.93 29.76 10 9 3 8 1 - 0.15  
31 60 56 53 55 53 52 94 90 82 30.08 30.04 29.96 10 8 2 6 0 - 0.02 Fog , Rain