Weather History for Petersburg, AK

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Monday, May 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 48 °F 49 °F 69 °F (2005)
Min Temperature 41 °F 35 °F 28 °F (2002)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 38 °F    
Average Humidity 77    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 5 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed 30 mph    
Visibility 9 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. 07, 2012 Rise Set
Actual Time 4:49 AM AKDT 8:48 PM AKDT
Civil Twilight 4:00 AM AKDT 9:37 PM AKDT
Nautical Twilight 2:49 AM AKDT 10:50 PM AKDT
Astronomical Twilight 1:20 AM AKDT 12:15 AM AKDT
Moon 11:28 PM AKDT (5/7) 5:43 AM AKDT (5/7)
Length of Visible Light 17h 36m
Length of Day
15h 59m
Waning Gibbous, 96% of the Moon is Illuminated
May 7
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

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 44.6 °F 43.1 °F 39.2 °F 81% 30.01 in 10.0 mi South 3.5 mph - N/A   Overcast
12:36 AM 44.6 °F - 39.2 °F 81% 30.00 in 9.0 mi Calm Calm - N/A   Overcast
12:56 AM 44.6 °F 43.1 °F 39.2 °F 81% 30.00 in 10.0 mi West 3.5 mph - N/A   Overcast
1:16 AM 44.6 °F - 39.2 °F 81% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
1:36 AM 44.6 °F - 39.2 °F 81% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
1:56 AM 44.6 °F 42.2 °F 39.2 °F 81% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Overcast
2:16 AM 44.6 °F 42.2 °F 37.4 °F 76% 29.98 in 10.0 mi SE 4.6 mph - N/A   Overcast
2:36 AM 46.4 °F 42.4 °F 37.4 °F 71% 29.98 in 10.0 mi ESE 8.1 mph - N/A   Overcast
2:56 AM 46.4 °F 40.7 °F 37.4 °F 71% 29.97 in 10.0 mi ESE 12.7 mph 17.3 mph N/A   Overcast
3:16 AM 46.4 °F 42.9 °F 37.4 °F 71% 29.96 in 10.0 mi ESE 6.9 mph 16.1 mph N/A   Overcast
3:36 AM 46.4 °F - 37.4 °F 71% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM 44.6 °F 40.7 °F 37.4 °F 76% 29.96 in 10.0 mi SE 6.9 mph 16.1 mph N/A   Overcast
4:16 AM 44.6 °F 40.7 °F 39.2 °F 81% 29.96 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:36 AM 44.6 °F 43.1 °F 39.2 °F 81% 29.96 in 10.0 mi SE 3.5 mph - N/A   Overcast
4:56 AM 44.6 °F 39.7 °F 39.2 °F 81% 29.95 in 10.0 mi East 9.2 mph - N/A   Overcast
5:16 AM 44.6 °F 43.1 °F 37.4 °F 76% 29.95 in 10.0 mi SE 3.5 mph 18.4 mph N/A   Overcast
5:36 AM 44.6 °F 39.7 °F 37.4 °F 76% 29.94 in 10.0 mi SE 9.2 mph - N/A   Overcast
5:56 AM 44.6 °F 40.7 °F 37.4 °F 76% 29.94 in 10.0 mi SE 6.9 mph 20.7 mph N/A   Overcast
6:16 AM 44.6 °F 43.1 °F 37.4 °F 76% 29.94 in 10.0 mi East 3.5 mph - N/A   Overcast
6:36 AM 44.6 °F 43.1 °F 37.4 °F 76% 29.94 in 10.0 mi ESE 3.5 mph - N/A   Overcast
6:56 AM 44.6 °F 42.2 °F 39.2 °F 81% 29.93 in 7.0 mi East 4.6 mph - N/A   Overcast
7:16 AM 44.6 °F 41.4 °F 39.2 °F 81% 29.93 in 7.0 mi ESE 5.8 mph - N/A   Overcast
7:36 AM 44.6 °F 40.7 °F 37.4 °F 76% 29.93 in 7.0 mi SE 6.9 mph 23.0 mph N/A   Overcast
7:56 AM 44.6 °F 40.7 °F 39.2 °F 81% 29.93 in 10.0 mi SSE 6.9 mph - N/A   Overcast
8:16 AM 44.6 °F 40.2 °F 39.2 °F 81% 29.92 in 10.0 mi ESE 8.1 mph - N/A   Overcast
8:36 AM 44.6 °F 42.2 °F 39.2 °F 81% 29.92 in 10.0 mi SSW 4.6 mph 16.1 mph N/A   Overcast
8:56 AM 44.6 °F 41.4 °F 37.4 °F 76% 29.92 in 10.0 mi ESE 5.8 mph - N/A   Overcast
9:16 AM 46.4 °F 43.5 °F 37.4 °F 71% 29.91 in 10.0 mi SE 5.8 mph 20.7 mph N/A   Overcast
9:36 AM 46.4 °F 41.9 °F 39.2 °F 76% 29.91 in 10.0 mi ESE 9.2 mph - N/A   Overcast
9:56 AM 46.4 °F 42.4 °F 39.2 °F 76% 29.91 in 10.0 mi SSE 8.1 mph - N/A   Overcast
10:16 AM 46.4 °F - 39.2 °F 76% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
10:36 AM 46.4 °F 44.3 °F 39.2 °F 76% 29.90 in 10.0 mi ESE 4.6 mph - N/A   Overcast
10:56 AM 46.4 °F 43.5 °F 39.2 °F 76% 29.88 in 10.0 mi ESE 5.8 mph 18.4 mph N/A   Overcast
11:16 AM 46.4 °F 43.5 °F 39.2 °F 76% 29.87 in 10.0 mi East 5.8 mph 19.6 mph N/A   Overcast
11:36 AM 46.4 °F 41.9 °F 37.4 °F 71% 29.86 in 10.0 mi ESE 9.2 mph - N/A   Overcast
11:56 AM 48.2 °F - 39.2 °F 71% 29.85 in 10.0 mi ESE 8.1 mph - N/A   Overcast
12:16 PM 48.2 °F - 39.2 °F 71% 29.82 in 10.0 mi ESE 8.1 mph - N/A   Overcast
12:36 PM 48.2 °F - 39.2 °F 71% 29.83 in 10.0 mi SE 11.5 mph 17.3 mph N/A   Overcast
12:56 PM 48.2 °F - 39.2 °F 71% 29.81 in 10.0 mi ESE 9.2 mph 19.6 mph N/A   Overcast
1:16 PM 48.2 °F - 39.2 °F 71% 29.80 in 10.0 mi ESE 9.2 mph - N/A   Overcast
1:36 PM 48.2 °F - 37.4 °F 66% 29.79 in 10.0 mi ESE 8.1 mph - N/A   Overcast
1:56 PM 48.2 °F - 37.4 °F 66% 29.77 in 10.0 mi ESE 9.2 mph 17.3 mph N/A   Overcast
2:16 PM 48.2 °F - 39.2 °F 71% 29.76 in 10.0 mi ESE 10.4 mph 16.1 mph N/A   Overcast
2:36 PM 48.2 °F - 37.4 °F 66% 29.74 in 10.0 mi ESE 8.1 mph 19.6 mph N/A   Overcast
2:56 PM 48.2 °F - 39.2 °F 71% 29.72 in 10.0 mi ESE 11.5 mph 23.0 mph N/A   Overcast
3:16 PM 46.4 °F 41.1 °F 39.2 °F 76% 29.71 in 10.0 mi East 11.5 mph 17.3 mph N/A   Overcast
3:36 PM 46.4 °F 41.9 °F 39.2 °F 76% 29.71 in 10.0 mi SE 9.2 mph - N/A   Overcast
3:56 PM 46.4 °F 42.9 °F 39.2 °F 76% 29.70 in 10.0 mi ESE 6.9 mph 17.3 mph N/A   Overcast
4:16 PM 46.4 °F 43.5 °F 39.2 °F 76% 29.69 in 10.0 mi ESE 5.8 mph 18.4 mph N/A   Overcast
4:36 PM 46.4 °F 42.9 °F 39.2 °F 76% 29.68 in 10.0 mi ESE 6.9 mph - N/A   Overcast
4:56 PM 46.4 °F 42.9 °F 39.2 °F 76% 29.67 in 7.0 mi East 6.9 mph - N/A   Overcast
5:16 PM 44.6 °F 39.7 °F 39.2 °F 81% 29.66 in 7.0 mi ESE 9.2 mph - N/A   Overcast
5:36 PM 44.6 °F 42.2 °F 39.2 °F 81% 29.65 in 7.0 mi ENE 4.6 mph - N/A   Overcast
5:56 PM 44.6 °F 42.2 °F 39.2 °F 81% 29.64 in 5.0 mi SE 4.6 mph - N/A   Overcast
6:16 PM 44.6 °F 40.7 °F 39.2 °F 81% 29.63 in 5.0 mi East 6.9 mph - N/A   Overcast
6:36 PM 44.6 °F 38.8 °F 39.2 °F 81% 29.63 in 5.0 mi East 11.5 mph 23.0 mph N/A   Overcast
6:56 PM 44.6 °F 40.2 °F 39.2 °F 81% 29.63 in 5.0 mi ESE 8.1 mph 29.9 mph N/A   Overcast
7:16 PM 44.6 °F 40.2 °F 39.2 °F 81% 29.63 in 5.0 mi ESE 8.1 mph - N/A   Overcast
7:36 PM 44.6 °F - 39.2 °F 81% 29.62 in 5.0 mi Calm Calm - N/A   Overcast
7:56 PM 44.6 °F - 37.4 °F 76% 29.62 in 10.0 mi Calm Calm - N/A   Overcast
8:16 PM 44.6 °F 41.4 °F 37.4 °F 76% 29.63 in 10.0 mi SE 5.8 mph - N/A   Overcast
8:36 PM 44.6 °F - 37.4 °F 76% 29.63 in 10.0 mi Calm Calm - N/A   Overcast
8:56 PM 44.6 °F 42.2 °F 37.4 °F 76% 29.64 in 5.0 mi SE 4.6 mph - N/A   Overcast
9:16 PM 42.8 °F 40.1 °F 37.4 °F 81% 29.66 in 5.0 mi SSE 4.6 mph 16.1 mph N/A   Overcast
9:36 PM 42.8 °F - 37.4 °F 81% 29.67 in 5.0 mi Calm Calm - N/A   Overcast
9:56 PM 42.8 °F - 37.4 °F 81% 29.69 in 7.0 mi Calm Calm - N/A   Overcast
10:16 PM 42.8 °F 41.1 °F 39.2 °F 87% 29.70 in 10.0 mi West 3.5 mph - N/A   Overcast
10:36 PM 42.8 °F - 39.2 °F 87% 29.70 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 41.0 °F 36.4 °F 39.2 °F 93% 29.73 in 10.0 mi SE 6.9 mph - N/A   Overcast
11:16 PM 42.8 °F 40.1 °F 37.4 °F 81% 29.74 in 8.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
11:36 PM 42.8 °F 37.5 °F 37.4 °F 81% 29.74 in 10.0 mi SSE 9.2 mph 16.1 mph N/A   Overcast
11:56 PM 42.8 °F 39.3 °F 37.4 °F 81% 29.75 in 10.0 mi SSE 5.8 mph - N/A   Overcast