Weather History for Petersburg, AK

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Friday, January 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F -  
Max Temperature 39 °F 31 °F 50 °F (1985)
Min Temperature 33 °F 24 °F 6 °F (2004)
Degree Days  
Heating Degree Days 29    
Moisture  
Dew Point 33 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.03 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 1 mph (WSW)    
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

Jan. 04, 2013 Rise Set
Actual Time 8:27 AM AKST 3:27 PM AKST
Civil Twilight 7:39 AM AKST 4:15 PM AKST
Nautical Twilight 6:49 AM AKST 5:05 PM AKST
Astronomical Twilight 6:03 AM AKST 5:51 PM AKST
Moon No Moon Rise 10:39 AM AKST (1/4)
Length of Visible Light 8h 36m
Length of Day
7h 00m
Waning Gibbous, 53% of the Moon is Illuminated
Jan 4
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 35.6 °F - 33.8 °F 93% 29.88 in 8.0 mi Calm Calm - 0.03 in   Overcast
12:36 AM 35.6 °F - 33.8 °F 93% 29.87 in 10.0 mi Calm Calm - 0.03 in   Overcast
12:56 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.88 in 10.0 mi SW 4.6 mph - 0.03 in   Mostly Cloudy
1:16 AM 35.6 °F 32.8 °F 33.8 °F 93% 29.88 in 10.0 mi SE 3.5 mph - N/A   Overcast
1:36 AM 35.6 °F - 33.8 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
1:56 AM 35.6 °F - 32.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
2:16 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.92 in 10.0 mi SW 4.6 mph - N/A   Overcast
2:36 AM 35.6 °F 32.8 °F 33.8 °F 93% 29.92 in 10.0 mi SSW 3.5 mph - N/A   Overcast
2:56 AM 35.6 °F 32.8 °F 32.0 °F 87% 29.92 in 10.0 mi NNW 3.5 mph - N/A   Overcast
3:16 AM 35.6 °F - 33.8 °F 93% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
3:36 AM 33.8 °F - 33.8 °F 100% 29.94 in 5.0 mi Calm Calm - N/A   Overcast
4:16 AM 33.8 °F - 32.0 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
4:36 AM 35.6 °F - 33.8 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 33.8 °F - 32.0 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
5:16 AM 35.6 °F - 33.8 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
5:36 AM 33.8 °F - 32.0 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 35.6 °F - 33.8 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
6:16 AM 33.8 °F - 32.0 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
6:36 AM 35.6 °F - 33.8 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 33.8 °F - 32.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
7:16 AM 33.8 °F - 32.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
7:36 AM 33.8 °F - 33.8 °F 100% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 33.8 °F - 32.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:16 AM 33.8 °F - 32.0 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:36 AM 33.8 °F - 30.2 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:56 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.05 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
9:16 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.06 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
9:36 AM 35.6 °F 32.8 °F 32.0 °F 87% 30.08 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:56 AM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:16 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.09 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:36 AM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:16 AM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:36 AM - - - N/A% - 10.0 mi North - - N/A   Scattered Clouds
11:56 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.09 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
12:16 PM 35.6 °F 31.7 °F 33.8 °F 93% 30.09 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
12:36 PM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:56 PM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:16 PM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:36 PM 35.6 °F - 33.8 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 PM 35.6 °F 32.8 °F 33.8 °F 93% 30.09 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
2:16 PM 35.6 °F - 33.8 °F 93% 30.08 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:36 PM 35.6 °F - 32.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:56 PM 35.6 °F 31.7 °F 33.8 °F 93% 30.07 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
3:16 PM 35.6 °F 32.8 °F 33.8 °F 93% 30.07 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
3:36 PM 35.6 °F - 33.8 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:56 PM 35.6 °F - 33.8 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:16 PM 35.6 °F - 32.0 °F 87% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:36 PM 35.6 °F 32.8 °F 33.8 °F 93% 30.05 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
4:56 PM 35.6 °F 29.2 °F 33.8 °F 93% 30.04 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
5:16 PM 35.6 °F 31.7 °F 30.2 °F 81% 30.04 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
5:36 PM 35.6 °F - 30.2 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 PM 35.6 °F 31.7 °F 30.2 °F 81% 30.03 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
6:16 PM 35.6 °F 32.8 °F 30.2 °F 81% 30.02 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
6:36 PM 35.6 °F 31.7 °F 32.0 °F 87% 30.01 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
6:56 PM 33.8 °F - 32.0 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:16 PM 35.6 °F - 32.0 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:36 PM 33.8 °F - 32.0 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
7:56 PM 37.4 °F 32.8 °F 32.0 °F 81% 29.97 in 10.0 mi ESE 5.8 mph - N/A   Overcast
8:16 PM 37.4 °F 34.9 °F 30.2 °F 75% 29.97 in 10.0 mi SW 3.5 mph - N/A   Overcast
8:36 PM 39.2 °F 37.0 °F 30.2 °F 70% 29.97 in 10.0 mi WNW 3.5 mph - N/A   Overcast
8:56 PM 37.4 °F 34.9 °F 32.0 °F 81% 29.97 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:16 PM 37.4 °F - 32.0 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
9:36 PM 37.4 °F - 30.2 °F 75% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
9:56 PM 39.2 °F 35.9 °F 30.2 °F 70% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Overcast
10:16 PM 39.2 °F 37.0 °F 30.2 °F 70% 29.94 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
10:36 PM - - - N/A% 29.93 in - NW 3.5 mph - N/A   Unknown
10:56 PM 39.2 °F - 30.2 °F 70% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:16 PM 37.4 °F 34.9 °F 30.2 °F 75% 29.93 in 10.0 mi South 3.5 mph - N/A   Overcast
11:36 PM 37.4 °F 34.9 °F 30.2 °F 75% 29.92 in 10.0 mi NE 3.5 mph - N/A   Overcast
11:56 PM 39.2 °F 35.9 °F 30.2 °F 70% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Overcast