Weather History for Petersburg, AK

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Friday, May 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 60 °F 53 °F 69 °F (2008)
Min Temperature 41 °F 41 °F 30 °F (2000)
Degree Days  
Heating Degree Days 14    
Moisture  
Dew Point 43 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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

May. 25, 2012 Rise Set
Actual Time 4:16 AM AKDT 9:22 PM AKDT
Civil Twilight 3:18 AM AKDT 10:20 PM AKDT
Nautical Twilight 1:10 AM AKDT 12:16 AM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 8:42 AM AKDT (5/25) 12:09 AM AKDT (5/25)
Length of Visible Light 19h 01m
Length of Day
17h 06m
Waxing Crescent, 21% of the Moon is Illuminated
May 25
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New

Hourly Weather History & Observations

Time (AKDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:16 AM 46.4 °F 44.3 °F 42.8 °F 87% 30.19 in 10.0 mi WSW 4.6 mph - N/A   Clear
12:36 AM 46.4 °F - 41.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
12:56 AM 46.4 °F 45.2 °F 41.0 °F 81% 30.18 in 10.0 mi SSW 3.5 mph - N/A   Clear
1:16 AM 44.6 °F - 39.2 °F 81% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:36 AM 42.8 °F - 39.2 °F 87% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.19 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:16 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.20 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:36 AM 42.8 °F - 39.2 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Clear
3:16 AM 42.8 °F - 39.2 °F 87% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:36 AM 41.0 °F - 37.4 °F 87% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 41.0 °F - 39.2 °F 93% 30.17 in 10.0 mi Calm Calm - N/A   Clear
4:16 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.17 in 10.0 mi SE 3.5 mph - N/A   Clear
4:36 AM 41.0 °F - 37.4 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 41.0 °F 37.1 °F 37.4 °F 87% 30.16 in 10.0 mi West 5.8 mph - N/A   Clear
5:36 AM 42.8 °F 39.3 °F 39.2 °F 87% 30.16 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:56 AM 42.8 °F 41.1 °F 41.0 °F 93% 30.15 in 10.0 mi WSW 3.5 mph - N/A   Clear
6:16 AM 44.6 °F - 41.0 °F 87% 30.16 in 10.0 mi Calm Calm - N/A   Clear
6:36 AM 44.6 °F - 42.8 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 46.4 °F - 42.8 °F 87% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:16 AM 48.2 °F - 42.8 °F 82% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:36 AM 48.2 °F - 42.8 °F 82% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 48.2 °F - 42.8 °F 82% 30.15 in 10.0 mi East 4.6 mph - N/A   Clear
8:16 AM 50.0 °F - 42.8 °F 76% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:36 AM 50.0 °F - 42.8 °F 76% 30.14 in 10.0 mi NE 4.6 mph - N/A   Clear
8:56 AM 51.8 °F - 42.8 °F 71% 30.14 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:16 AM 51.8 °F - 42.8 °F 71% 30.13 in 10.0 mi ENE 4.6 mph - N/A   Clear
9:36 AM 53.6 °F - 44.6 °F 72% 30.13 in 10.0 mi ENE 5.8 mph - N/A   Clear
9:56 AM 53.6 °F - 44.6 °F 72% 30.12 in 10.0 mi ENE 6.9 mph - N/A   Clear
10:16 AM 53.6 °F - 44.6 °F 72% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:36 AM 55.4 °F - 44.6 °F 67% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:56 AM 55.4 °F - 44.6 °F 67% 30.10 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
11:16 AM 55.4 °F - 44.6 °F 67% 30.10 in 10.0 mi ENE 6.9 mph - N/A   Partly Cloudy
11:36 AM 55.4 °F - 44.6 °F 67% 30.09 in 10.0 mi ENE 6.9 mph - N/A   Partly Cloudy
11:56 AM 55.4 °F - 44.6 °F 67% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
12:16 PM 57.2 °F - 44.6 °F 63% 30.08 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
12:36 PM 57.2 °F - 44.6 °F 63% 30.07 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
12:56 PM 59.0 °F - 44.6 °F 59% 30.07 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
1:16 PM 60.8 °F - 46.4 °F 59% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
1:36 PM 60.8 °F - 44.6 °F 55% 30.06 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
1:56 PM 59.0 °F - 46.4 °F 63% 30.05 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
2:16 PM 60.8 °F - 46.4 °F 59% 30.05 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
2:36 PM 57.2 °F - 46.4 °F 67% 30.05 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
2:56 PM 55.4 °F - 44.6 °F 67% 30.05 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
3:16 PM 55.4 °F - 44.6 °F 67% 30.04 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
3:36 PM 55.4 °F - 44.6 °F 67% 30.04 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
3:56 PM 53.6 °F - 44.6 °F 72% 30.03 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
4:16 PM 55.4 °F - 44.6 °F 67% 30.02 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
4:36 PM 53.6 °F - 44.6 °F 72% 30.01 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
4:56 PM 53.6 °F - 44.6 °F 72% 30.00 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
5:16 PM 53.6 °F - 44.6 °F 72% 30.00 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
5:36 PM 53.6 °F - 44.6 °F 72% 29.99 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
5:56 PM 53.6 °F - 44.6 °F 72% 29.99 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
6:16 PM 53.6 °F - 44.6 °F 72% 29.98 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
6:36 PM 51.8 °F - 44.6 °F 76% 29.98 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
6:56 PM 51.8 °F - 44.6 °F 76% 29.97 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
7:16 PM 50.0 °F - 44.6 °F 82% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:36 PM 51.8 °F - 44.6 °F 76% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 PM 51.8 °F - 44.6 °F 76% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
8:16 PM 51.8 °F - 44.6 °F 76% 29.96 in 10.0 mi ENE 6.9 mph - N/A   Overcast
8:36 PM 48.2 °F - 44.6 °F 87% 29.95 in 10.0 mi ENE 5.8 mph - N/A   Overcast
8:56 PM 48.2 °F - 44.6 °F 87% 29.95 in 10.0 mi ENE 4.6 mph - N/A   Overcast
9:16 PM 48.2 °F - 44.6 °F 87% 29.95 in 10.0 mi ESE 3.5 mph - N/A   Overcast
9:36 PM 48.2 °F - 42.8 °F 82% 29.94 in 10.0 mi East 4.6 mph - N/A   Overcast
9:56 PM 48.2 °F - 42.8 °F 82% 29.93 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
10:16 PM 48.2 °F - 42.8 °F 82% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
10:36 PM 48.2 °F - 42.8 °F 82% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 50.0 °F - 42.8 °F 76% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
11:16 PM 48.2 °F - 44.6 °F 87% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
11:36 PM 48.2 °F - 42.8 °F 82% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
11:56 PM 48.2 °F - 42.8 °F 82% 29.89 in 10.0 mi Calm Calm - N/A   Overcast