Weather History for Petersburg, AK

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Sunday, January 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 35 °F -  
Max Temperature 39 °F 32 °F 47 °F (1986)
Min Temperature 33 °F 24 °F 1 °F (2005)
Degree Days  
Heating Degree Days 30    
Moisture  
Dew Point 32 °F    
Average Humidity 88    
Maximum Humidity 93    
Minimum Humidity 75    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.27 in    
Wind  
Wind Speed 1 mph (South)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 7 miles    
Events Rain , Snow    
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

Jan. 12, 2014 Rise Set
Actual Time 8:20 AM AKST 3:40 PM AKST
Civil Twilight 7:34 AM AKST 4:26 PM AKST
Nautical Twilight 6:45 AM AKST 5:15 PM AKST
Astronomical Twilight 5:59 AM AKST 6:01 PM AKST
Moon 1:18 PM AKST (1/12) 5:20 AM AKST (1/12)
Length of Visible Light 8h 52m
Length of Day
7h 19m
Waxing Gibbous, 90% of the Moon is Illuminated
Jan 12
Waxing Gibbous
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:01 AM 33.8 °F - 30.2 °F 87% 29.19 in 2.0 mi Calm Calm - N/A Snow Light Snow
6:46 AM 33.8 °F - 30.2 °F 87% 29.17 in 2.5 mi Calm Calm - N/A Snow Light Snow
7:50 AM 33.8 °F - 30.2 °F 87% 29.17 in 3.0 mi Calm Calm - N/A Snow Light Snow
8:50 AM 33.8 °F - 30.2 °F 87% 29.18 in 2.0 mi Calm Calm - N/A Snow Light Snow
9:20 AM 33.8 °F - 30.2 °F 87% 29.18 in 4.0 mi Calm Calm - N/A Snow Light Snow Showers
9:47 AM 33.8 °F - 32.0 °F 93% 29.18 in 5.0 mi Calm Calm - N/A Snow Light Snow Showers
10:47 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.20 in 7.0 mi SW 4.6 mph - N/A Rain , Snow Light Rain Showers
11:48 AM 33.8 °F - 30.2 °F 87% 29.21 in 10.0 mi Calm Calm - N/A Rain Light Rain Showers
12:47 PM 35.6 °F 30.7 °F 32.0 °F 87% 29.24 in 10.0 mi SSE 5.8 mph - N/A   Overcast
1:55 PM 35.6 °F - 32.0 °F 87% 29.26 in 10.0 mi Calm Calm - N/A   Overcast
2:54 PM 35.6 °F - 33.8 °F 93% 29.30 in 10.0 mi Calm Calm - N/A Rain Light Rain
3:50 PM 35.6 °F - 32.0 °F 87% 29.32 in 10.0 mi Calm Calm - N/A Rain Light Rain
4:54 PM 35.6 °F - 33.8 °F 93% 29.33 in 10.0 mi Calm Calm - N/A   Overcast
5:54 PM 37.4 °F - 33.8 °F 87% 29.35 in 10.0 mi Calm Calm - N/A   Overcast
6:54 PM 37.4 °F 33.8 °F 33.8 °F 87% 29.39 in 10.0 mi South 4.6 mph - N/A   Overcast
7:54 PM 37.4 °F 33.8 °F 33.8 °F 87% 29.41 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:54 PM 39.2 °F 35.9 °F 32.0 °F 75% 29.44 in 10.0 mi South 4.6 mph - N/A   Overcast