Weather History for Petersburg, AK

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Wednesday, August 13, 2014

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 60 °F 60 °F 78 °F (2005)
Min Temperature 51 °F 48 °F 42 °F (1987)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 86    
Maximum Humidity 94    
Minimum Humidity 72    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Fog , Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 13, 2014 Rise Set
Actual Time 5:16 AM AKDT 8:35 PM AKDT
Civil Twilight 4:30 AM AKDT 9:20 PM AKDT
Nautical Twilight 3:27 AM AKDT 10:23 PM AKDT
Astronomical Twilight 1:39 AM AKDT 12:03 AM AKDT
Moon 9:27 PM AKDT (8/13) 9:45 AM AKDT (8/13)
Length of Visible Light 16h 50m
Length of Day
15h 19m
Waning Gibbous, 86% of the Moon is Illuminated
Aug 13
Waning Gibbous
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
Full

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:16 AM 55.4 °F 51.8 °F 88% 29.95 in 10.0 mi Calm Calm - N/A   Clear
12:36 AM 55.4 °F 51.8 °F 88% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:56 AM 53.6 °F 51.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:16 AM 53.6 °F 50.0 °F 88% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:36 AM 53.6 °F 51.8 °F 94% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 53.6 °F 51.8 °F 94% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:16 AM 53.6 °F 50.0 °F 88% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 51.8 °F 50.0 °F 94% 29.96 in 0.5 mi WSW 3.5 mph - N/A   Mostly Cloudy
3:16 AM 53.6 °F 50.0 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:36 AM 51.8 °F 50.0 °F 94% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:36 AM 51.8 °F 48.2 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:56 AM 51.8 °F 48.2 °F 88% 29.96 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:16 AM 51.8 °F 48.2 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:36 AM 51.8 °F 48.2 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:00 AM 51.8 °F 48.2 °F 88% 29.96 in 10.0 mi Calm Calm - N/A Fog Patches of Fog
6:16 AM 51.8 °F 48.2 °F 88% 29.97 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
6:36 AM 53.6 °F 51.8 °F 94% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:56 AM 53.6 °F 51.8 °F 94% 29.97 in 10.0 mi Calm Calm - N/A Fog Patches of Fog
7:16 AM 53.6 °F 51.8 °F 94% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:56 AM 55.4 °F 51.8 °F 88% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:16 AM 55.4 °F 51.8 °F 88% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:36 AM 57.2 °F 53.6 °F 88% 29.97 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
8:56 AM 57.2 °F 51.8 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:16 AM 60.8 °F 51.8 °F 72% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:56 AM 57.2 °F 51.8 °F 82% 29.98 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
10:36 AM 60.8 °F 53.6 °F 77% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 60.8 °F 51.8 °F 72% 29.98 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
11:16 AM 60.8 °F 51.8 °F 72% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 AM 60.8 °F 53.6 °F 77% 29.99 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
12:16 PM 60.8 °F 51.8 °F 72% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:36 PM 57.2 °F 51.8 °F 82% 30.02 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
1:56 PM 57.2 °F 51.8 °F 82% 30.02 in 10.0 mi East 3.5 mph - N/A   Overcast
2:36 PM 60.8 °F 53.6 °F 77% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Overcast
2:56 PM 59.0 °F 53.6 °F 82% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Overcast
3:16 PM 60.8 °F 53.6 °F 77% 30.03 in 10.0 mi ENE 3.5 mph - N/A   Overcast
3:36 PM 59.0 °F 51.8 °F 77% 30.03 in 10.0 mi NNE 5.8 mph - N/A   Overcast
3:56 PM 57.2 °F 51.8 °F 82% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
4:56 PM 57.2 °F 51.8 °F 82% 30.04 in 10.0 mi ENE 5.8 mph - N/A   Overcast
5:36 PM 55.4 °F 51.8 °F 88% 30.05 in 10.0 mi East 4.6 mph - 0.01 in   Overcast
7:16 PM 57.2 °F 53.6 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
8:16 PM 57.2 °F 53.6 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
8:56 PM 55.4 °F 51.8 °F 88% 30.03 in 10.0 mi Calm Calm - N/A Rain Light Rain Showers
9:16 PM 55.4 °F 51.8 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
9:36 PM 55.4 °F 51.8 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
9:56 PM 55.4 °F 53.6 °F 94% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
10:16 PM 55.4 °F 51.8 °F 88% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 55.4 °F 51.8 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Overcast