Weather History for Petersburg, AK

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Wednesday, January 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F -  
Max Temperature 35 °F 32 °F 50 °F (2001)
Min Temperature 32 °F 24 °F 1 °F (2009)
Degree Days  
Heating Degree Days 32    
Moisture  
Dew Point 31 °F    
Average Humidity 90    
Maximum Humidity 93    
Minimum Humidity 87    
Precipitation  
Precipitation 0.92 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 6 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

Jan. 02, 2013 Rise Set
Actual Time 8:28 AM AKST 3:24 PM AKST
Civil Twilight 7:39 AM AKST 4:12 PM AKST
Nautical Twilight 6:49 AM AKST 5:02 PM AKST
Astronomical Twilight 6:03 AM AKST 5:49 PM AKST
Moon 10:19 PM AKST (1/2) 10:04 AM AKST (1/2)
Length of Visible Light 8h 33m
Length of Day
6h 56m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 2
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:16 AM 33.8 °F - 32.0 °F 93% 29.94 in 10.0 mi Calm Calm - 0.03 in   Overcast
12:36 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.93 in 10.0 mi SW 3.5 mph - 0.04 in   Overcast
12:56 AM 33.8 °F - 32.0 °F 93% 29.93 in 10.0 mi Calm Calm - 0.07 in   Overcast
1:16 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.92 in 10.0 mi WSW 3.5 mph - 0.01 in   Overcast
1:36 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.92 in 10.0 mi SSW 3.5 mph - 0.03 in   Overcast
1:56 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.91 in 10.0 mi WSW 4.6 mph - 0.05 in   Overcast
2:16 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.91 in 10.0 mi SW 5.8 mph - 0.02 in   Overcast
2:36 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.91 in 9.0 mi SW 4.6 mph - 0.04 in   Overcast
2:56 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.90 in 10.0 mi West 3.5 mph - 0.05 in   Overcast
3:16 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.90 in 10.0 mi SSW 4.6 mph - 0.02 in   Overcast
3:36 AM 35.6 °F 30.7 °F 32.0 °F 87% 29.89 in 10.0 mi WSW 5.8 mph - 0.05 in   Overcast
3:56 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.89 in 10.0 mi SSW 4.6 mph - 0.07 in   Overcast
4:16 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.88 in 10.0 mi SW 5.8 mph - 0.01 in   Overcast
4:36 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.87 in 9.0 mi SW 5.8 mph - 0.05 in   Overcast
4:56 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.87 in 10.0 mi WSW 5.8 mph - 0.07 in   Overcast
5:16 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.87 in 10.0 mi WSW 5.8 mph - 0.02 in   Overcast
5:36 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.86 in 10.0 mi WSW 4.6 mph - 0.04 in   Overcast
5:56 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.86 in 7.0 mi WSW 4.6 mph - 0.06 in   Overcast
6:16 AM 33.8 °F 27.7 °F 30.2 °F 87% 29.86 in 7.0 mi SW 6.9 mph - 0.02 in   Overcast
6:36 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.85 in 7.0 mi SW 3.5 mph - 0.04 in   Overcast
6:56 AM 33.8 °F - 32.0 °F 93% 29.85 in 7.0 mi Calm Calm - 0.06 in   Overcast
7:16 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.85 in 7.0 mi SSW 4.6 mph - 0.04 in   Overcast
7:36 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.84 in 7.0 mi WSW 4.6 mph - 0.07 in   Overcast
7:56 AM 33.8 °F 28.6 °F 30.2 °F 87% 29.85 in 7.0 mi SW 5.8 mph - N/A   Overcast
8:16 AM 33.8 °F 28.6 °F 30.2 °F 87% 29.85 in 3.0 mi SW 5.8 mph - 0.04 in   Overcast
8:36 AM 33.8 °F 28.6 °F 32.0 °F 93% 29.85 in 3.0 mi WSW 5.8 mph - 0.07 in   Overcast
8:56 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.85 in 4.0 mi WSW 4.6 mph - 0.11 in   Overcast
9:16 AM 33.8 °F - 30.2 °F 87% 29.85 in 4.0 mi Calm Calm - 0.03 in   Overcast
9:36 AM 33.8 °F 28.6 °F 30.2 °F 87% 29.86 in 4.0 mi WSW 5.8 mph - 0.05 in   Overcast
9:56 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.86 in 4.0 mi WSW 4.6 mph - 0.09 in   Overcast
10:16 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.86 in 4.0 mi WSW 4.6 mph - 0.02 in   Overcast
10:36 AM 33.8 °F 30.8 °F 30.2 °F 87% 29.86 in 4.0 mi West 3.5 mph - 0.04 in   Overcast
10:56 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.86 in 4.0 mi WSW 4.6 mph - 0.05 in   Overcast
11:16 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.85 in 4.0 mi WSW 3.5 mph - 0.02 in   Overcast
11:36 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.84 in 4.0 mi WSW 4.6 mph - 0.03 in   Overcast
11:56 AM 33.8 °F 30.8 °F 30.2 °F 87% 29.84 in 4.0 mi West 3.5 mph - 0.04 in   Overcast
12:16 PM 33.8 °F 29.6 °F 32.0 °F 93% 29.84 in 4.0 mi SW 4.6 mph - 0.01 in   Overcast
12:36 PM 33.8 °F 27.7 °F 32.0 °F 93% 29.85 in 4.0 mi SW 6.9 mph - 0.01 in   Overcast
12:56 PM 33.8 °F 30.8 °F 32.0 °F 93% 29.85 in 5.0 mi SW 3.5 mph - 0.03 in   Overcast
1:16 PM 33.8 °F 29.6 °F 32.0 °F 93% 29.85 in 5.0 mi West 4.6 mph - 0.02 in   Overcast
1:36 PM 33.8 °F 30.8 °F 30.2 °F 87% 29.85 in 5.0 mi WSW 3.5 mph - 0.03 in   Overcast
1:56 PM 33.8 °F 29.6 °F 30.2 °F 87% 29.86 in 5.0 mi West 4.6 mph - 0.03 in   Overcast
2:16 PM 33.8 °F - 30.2 °F 87% 29.86 in 5.0 mi Calm Calm - 0.02 in   Overcast
2:36 PM 33.8 °F 28.6 °F 32.0 °F 93% 29.86 in 5.0 mi SE 5.8 mph - 0.04 in   Overcast
2:56 PM 33.8 °F 28.6 °F 30.2 °F 87% 29.87 in 5.0 mi NNE 5.8 mph - 0.06 in   Overcast
3:16 PM 33.8 °F - 30.2 °F 87% 29.88 in 5.0 mi Calm Calm - N/A   Overcast
3:36 PM 33.8 °F - 30.2 °F 87% 29.88 in 5.0 mi Calm Calm - N/A   Overcast
3:56 PM 33.8 °F 29.6 °F 30.2 °F 87% 29.89 in 7.0 mi West 4.6 mph - N/A   Overcast
4:36 PM 33.8 °F 29.6 °F 30.2 °F 87% 29.89 in 7.0 mi West 4.6 mph - N/A   Overcast
4:56 PM 33.8 °F 28.6 °F 30.2 °F 87% 29.90 in 7.0 mi West 5.8 mph - N/A   Overcast
5:16 PM 33.8 °F 29.6 °F 30.2 °F 87% 29.91 in 7.0 mi WSW 4.6 mph - 0.01 in   Overcast
5:36 PM 33.8 °F - 30.2 °F 87% 29.91 in 7.0 mi Calm Calm - 0.01 in   Overcast
5:56 PM 33.8 °F 30.8 °F 30.2 °F 87% 29.91 in 10.0 mi SSW 3.5 mph - 0.01 in   Overcast
6:16 PM 33.8 °F - 30.2 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
6:36 PM 33.8 °F - 30.2 °F 87% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
6:56 PM 33.8 °F - 30.2 °F 87% 29.93 in 5.0 mi Calm Calm - N/A   Overcast
7:16 PM 33.8 °F - 30.2 °F 87% 29.93 in 5.0 mi Calm Calm - N/A   Overcast
7:36 PM 33.8 °F - 30.2 °F 87% 29.94 in 5.0 mi Calm Calm - N/A   Overcast
7:56 PM 33.8 °F - 30.2 °F 87% 29.95 in 3.0 mi Calm Calm - N/A   Overcast
8:16 PM 33.8 °F 29.6 °F 30.2 °F 87% 29.96 in 3.0 mi SW 4.6 mph - N/A   Overcast
8:36 PM 33.8 °F - 30.2 °F 87% 29.97 in 3.0 mi Calm Calm - N/A   Overcast
8:56 PM 33.8 °F - 30.2 °F 87% 29.98 in 1.0 mi Calm Calm - N/A   Overcast
9:16 PM 33.8 °F - 30.2 °F 87% 29.99 in 1.0 mi Calm Calm - N/A   Overcast
9:36 PM 33.8 °F - 30.2 °F 87% 29.99 in 1.0 mi Calm Calm - N/A   Overcast
9:56 PM 33.8 °F - 30.2 °F 87% 30.00 in - Calm Calm - N/A   Overcast
10:16 PM 33.8 °F - 32.0 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
10:36 PM 33.8 °F - 30.2 °F 87% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 33.8 °F - 30.2 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
11:16 PM 32.0 °F - 30.2 °F 93% 30.02 in 6.0 mi Calm Calm - N/A   Overcast
11:36 PM 33.8 °F - 30.2 °F 87% 30.02 in 5.0 mi Calm Calm - N/A   Overcast
11:56 PM 33.8 °F - 32.0 °F 93% 30.01 in 6.0 mi Calm Calm - N/A   Overcast