Weather History for Petersburg, AK

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Friday, October 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 48 °F 48 °F 62 °F (1988)
Min Temperature 44 °F 39 °F 28 °F (1990)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 45 °F    
Average Humidity 92    
Maximum Humidity 93    
Minimum Humidity 87    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.47 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 7 mph    
Max Gust Speed -    
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

Oct. 05, 2012 Rise Set
Actual Time 7:05 AM AKDT 6:13 PM AKDT
Civil Twilight 6:27 AM AKDT 6:51 PM AKDT
Nautical Twilight 5:42 AM AKDT 7:35 PM AKDT
Astronomical Twilight 4:57 AM AKDT 8:20 PM AKDT
Moon 8:46 PM AKDT (10/5) 1:16 PM AKDT (10/5)
Length of Visible Light 12h 24m
Length of Day
11h 08m
Waning Gibbous, 73% of the Moon is Illuminated
Oct 5
Waning Gibbous
Oct 7
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
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 41.0 °F 87% 30.51 in 10.0 mi SSW 3.5 mph - N/A   Overcast
12:36 AM 44.6 °F - 41.0 °F 87% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
12:56 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.51 in 10.0 mi ENE 3.5 mph - N/A   Overcast
1:16 AM 44.6 °F - 42.8 °F 93% 30.51 in 10.0 mi Calm Calm - N/A   Overcast
1:36 AM 44.6 °F - 42.8 °F 93% 30.51 in 10.0 mi Calm Calm - N/A   Overcast
2:16 AM 44.6 °F - 42.8 °F 93% 30.51 in 10.0 mi Calm Calm - N/A   Unknown
2:36 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.51 in 10.0 mi ENE 3.5 mph - N/A   Overcast
2:56 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.51 in 10.0 mi NE 3.5 mph - N/A   Overcast
3:16 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
3:36 AM 44.6 °F - 42.8 °F 93% 30.51 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
4:16 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
4:36 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.50 in 10.0 mi East 3.5 mph - N/A   Overcast
5:16 AM 44.6 °F - 42.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
5:36 AM 44.6 °F - 42.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 44.6 °F - 42.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
6:16 AM 44.6 °F - 42.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
6:36 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.49 in 10.0 mi ENE 3.5 mph - N/A   Overcast
6:56 AM 44.6 °F - 42.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
7:16 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
7:36 AM 44.6 °F - 42.8 °F 93% 30.50 in 9.0 mi Calm Calm - N/A   Overcast
7:56 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.50 in 10.0 mi East 3.5 mph - N/A   Overcast
8:16 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.50 in 10.0 mi NE 3.5 mph - N/A   Overcast
8:36 AM 44.6 °F - 42.8 °F 93% 30.50 in 10.0 mi Calm Calm - N/A   Overcast
8:56 AM 46.4 °F - 44.6 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
9:16 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.49 in 10.0 mi North 3.5 mph - N/A   Overcast
9:36 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.49 in 10.0 mi NE 4.6 mph - N/A   Overcast
9:56 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.49 in 10.0 mi ENE 4.6 mph - N/A   Overcast
10:36 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.50 in 10.0 mi NE 4.6 mph - N/A   Overcast
10:56 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.49 in 10.0 mi ENE 4.6 mph - N/A   Overcast
11:16 AM 46.4 °F 43.5 °F 44.6 °F 93% 30.49 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:36 AM 46.4 °F 44.3 °F 44.6 °F 93% 30.49 in 10.0 mi NE 4.6 mph - N/A   Overcast
11:56 AM 48.2 °F - 44.6 °F 87% 30.49 in 10.0 mi ENE 3.5 mph - N/A   Overcast
12:16 PM 48.2 °F - 44.6 °F 87% 30.49 in 10.0 mi East 4.6 mph - N/A   Overcast
12:36 PM 48.2 °F - 46.4 °F 93% 30.48 in 10.0 mi NE 4.6 mph - N/A   Overcast
12:56 PM 48.2 °F - 44.6 °F 87% 30.49 in 10.0 mi NNE 4.6 mph - N/A   Overcast
1:16 PM 48.2 °F - 46.4 °F 93% 30.49 in 10.0 mi NE 4.6 mph - N/A   Overcast
1:36 PM 48.2 °F - 46.4 °F 93% 30.48 in 10.0 mi NE 4.6 mph - N/A   Overcast
1:56 PM 48.2 °F - 44.6 °F 87% 30.48 in 10.0 mi NNE 6.9 mph - N/A   Overcast
2:16 PM 48.2 °F - 46.4 °F 93% 30.48 in 10.0 mi ENE 5.8 mph - N/A   Overcast
2:36 PM 48.2 °F - 46.4 °F 93% 30.48 in 10.0 mi NE 5.8 mph - N/A   Overcast
2:56 PM 48.2 °F - 44.6 °F 87% 30.48 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
3:16 PM 48.2 °F - 46.4 °F 93% 30.47 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
3:36 PM 48.2 °F - 44.6 °F 87% 30.47 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
3:56 PM 48.2 °F - 46.4 °F 93% 30.46 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
4:16 PM 48.2 °F - 46.4 °F 93% 30.46 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
4:36 PM 48.2 °F - 46.4 °F 93% 30.46 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
4:56 PM 48.2 °F - 46.4 °F 93% 30.45 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
5:16 PM 48.2 °F - 46.4 °F 93% 30.44 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
5:36 PM 48.2 °F - 44.6 °F 87% 30.44 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
5:56 PM 48.2 °F - 44.6 °F 87% 30.44 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
6:16 PM 48.2 °F - 46.4 °F 93% 30.44 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
6:36 PM 48.2 °F - 46.4 °F 93% 30.44 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
6:56 PM 48.2 °F - 46.4 °F 93% 30.44 in 10.0 mi ENE 5.8 mph - N/A   Overcast
7:36 PM 48.2 °F - 46.4 °F 93% 30.44 in 10.0 mi East 4.6 mph - N/A   Overcast
7:56 PM 48.2 °F - 46.4 °F 93% 30.43 in 10.0 mi East 5.8 mph - N/A   Overcast
8:16 PM 48.2 °F - 46.4 °F 93% 30.43 in 10.0 mi East 3.5 mph - N/A   Overcast
8:36 PM 48.2 °F - 46.4 °F 93% 30.43 in 10.0 mi East 4.6 mph - N/A   Overcast
8:56 PM 48.2 °F - 46.4 °F 93% 30.43 in 5.0 mi East 4.6 mph - N/A   Overcast
9:16 PM 48.2 °F - 46.4 °F 93% 30.42 in 5.0 mi ENE 3.5 mph - N/A   Overcast
9:36 PM 48.2 °F - 46.4 °F 93% 30.42 in 5.0 mi ENE 4.6 mph - N/A   Overcast
9:56 PM 48.2 °F - 46.4 °F 93% 30.42 in 5.0 mi East 3.5 mph - N/A   Overcast
10:16 PM 48.2 °F - 46.4 °F 93% 30.42 in 1.8 mi East 3.5 mph - N/A   Overcast
10:36 PM 48.2 °F - 46.4 °F 93% 30.42 in 1.0 mi East 3.5 mph - N/A   Overcast
10:56 PM 48.2 °F - 46.4 °F 93% 30.41 in 1.0 mi NE 3.5 mph - N/A   Overcast
11:16 PM 48.2 °F - 46.4 °F 93% 30.42 in 0.5 mi ENE 3.5 mph - N/A   Overcast
11:56 PM 48.2 °F - 46.4 °F 93% 30.41 in 3.0 mi ESE 5.8 mph - N/A   Overcast