Weather History for Petersburg, AK

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Monday, July 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F -  
Max Temperature 62 °F 59 °F 78 °F (1993)
Min Temperature 44 °F 48 °F 43 °F (1985)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 2 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Fog    
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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Date:

Astronomy

Jul. 15, 2013 Rise Set
Actual Time 4:21 AM AKDT 9:32 PM AKDT
Civil Twilight 3:23 AM AKDT 10:31 PM AKDT
Nautical Twilight 1:30 AM AKDT 12:25 AM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 1:32 PM AKDT (7/15) 11:36 PM AKDT (7/15)
Length of Visible Light 19h 08m
Length of Day
17h 10m
Waxing Crescent, 47% of the Moon is Illuminated
Jul 15
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

Hourly Weather History & Observations

Time (AKDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:36 AM 48.2 °F - 44.6 °F 87% 30.26 in 10.0 mi Calm Calm - N/A   Clear
12:56 AM 50.0 °F - 46.4 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:16 AM 48.2 °F - 44.6 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 48.2 °F - 44.6 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:16 AM 46.4 °F - 44.6 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 46.4 °F - 44.6 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 46.4 °F 45.2 °F 42.8 °F 87% 30.27 in 8.0 mi WSW 3.5 mph - N/A   Partly Cloudy
4:16 AM 44.6 °F - 42.8 °F 93% 30.27 in 0.2 mi Calm Calm - N/A   Overcast
4:56 AM 44.6 °F - 42.8 °F 93% 30.27 in 0.5 mi Calm Calm - N/A   Overcast
5:16 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.27 in 1.5 mi West 3.5 mph - N/A   Clear
5:36 AM 46.4 °F - 42.8 °F 87% 30.27 in 0.5 mi Calm Calm - N/A   Mostly Cloudy
6:02 AM 46.4 °F - 42.8 °F 87% 30.27 in 10.0 mi Calm Calm - N/A Fog Patches of Fog
6:16 AM 46.4 °F - 44.6 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:36 AM 48.2 °F - 44.6 °F 87% 30.26 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 51.8 °F - 48.2 °F 88% 30.26 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 53.6 °F - 48.2 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Clear
8:36 AM 55.4 °F - 48.2 °F 77% 30.25 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:56 AM 55.4 °F - 50.0 °F 82% 30.25 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
9:16 AM 57.2 °F - 48.2 °F 72% 30.25 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
9:36 AM 57.2 °F - 48.2 °F 72% 30.25 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
9:56 AM 57.2 °F - 48.2 °F 72% 30.25 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
10:56 AM 60.8 °F - 50.0 °F 68% 30.24 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
11:16 AM 60.8 °F - 48.2 °F 63% 30.24 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
11:36 AM 60.8 °F - 48.2 °F 63% 30.24 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
12:16 PM 60.8 °F - 48.2 °F 63% 30.23 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
12:56 PM 60.8 °F - 50.0 °F 68% 30.23 in 10.0 mi NE 6.9 mph - N/A   Partly Cloudy
1:56 PM 60.8 °F - 50.0 °F 68% 30.22 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
2:16 PM 60.8 °F - 48.2 °F 63% 30.22 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
2:56 PM 62.6 °F - 48.2 °F 59% 30.21 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
3:50 PM 60.8 °F - 48.2 °F 63% 30.20 in 10.0 mi NNE 6.9 mph - N/A   Clear
5:36 PM 60.8 °F - 48.2 °F 63% 30.18 in 10.0 mi East 8.1 mph - N/A   Clear
5:56 PM 60.8 °F - 48.2 °F 63% 30.17 in 10.0 mi East 9.2 mph - N/A   Clear
7:36 PM 57.2 °F - 46.4 °F 67% 30.17 in 10.0 mi ESE 6.9 mph - N/A   Clear
7:56 PM 59.0 °F - 46.4 °F 63% 30.17 in 10.0 mi ENE 5.8 mph - N/A   Clear
8:36 PM 57.2 °F - 48.2 °F 72% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 55.4 °F - 46.4 °F 72% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:16 PM 51.8 °F - 44.6 °F 76% 30.17 in 10.0 mi Calm Calm - N/A   Clear