Weather History for Petersburg, AK

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Saturday, February 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F -  
Max Temperature 42 °F 36 °F 48 °F (1998)
Min Temperature 30 °F 28 °F 2 °F (1990)
Degree Days  
Heating Degree Days 29    
Moisture  
Dew Point 34 °F    
Average Humidity 88    
Maximum Humidity 93    
Minimum Humidity 70    
Precipitation  
Precipitation 0.06 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 9 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

Feb. 16, 2013 Rise Set
Actual Time 7:15 AM AKST 4:56 PM AKST
Civil Twilight 6:36 AM AKST 5:36 PM AKST
Nautical Twilight 5:52 AM AKST 6:20 PM AKST
Astronomical Twilight 5:08 AM AKST 7:04 PM AKST
Moon 9:07 AM AKST (2/16) 12:26 AM AKST (2/16)
Length of Visible Light 10h 59m
Length of Day
9h 40m
Waxing Crescent, 41% of the Moon is Illuminated
Feb 16
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM - - - N/A% 29.96 in - Calm Calm - N/A   Unknown
1:16 AM 37.4 °F - 35.6 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
1:36 AM 37.4 °F - 35.6 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM 37.4 °F - 35.6 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
2:16 AM 37.4 °F - 33.8 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
2:36 AM 37.4 °F - 35.6 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 37.4 °F 34.9 °F 33.8 °F 87% 29.98 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
3:16 AM 37.4 °F - 33.8 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
3:36 AM 35.6 °F - 33.8 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM 37.4 °F - 33.8 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
4:16 AM 37.4 °F - 35.6 °F 93% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
4:36 AM 37.4 °F - 33.8 °F 87% 29.99 in 8.0 mi Calm Calm - N/A   Overcast
4:56 AM 37.4 °F - 35.6 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
5:16 AM 37.4 °F - 33.8 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
5:36 AM 37.4 °F - 33.8 °F 87% 29.99 in 10.0 mi Calm Calm - 0.01 in   Overcast
5:56 AM 35.6 °F - 33.8 °F 93% 29.99 in 10.0 mi Calm Calm - 0.01 in   Overcast
6:16 AM 35.6 °F - 33.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
6:36 AM 35.6 °F - 33.8 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 35.6 °F - 33.8 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:16 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.01 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
7:36 AM 35.6 °F - 33.8 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 35.6 °F 30.7 °F 33.8 °F 93% 30.03 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
8:16 AM 35.6 °F 28.6 °F 33.8 °F 93% 30.05 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
8:36 AM 35.6 °F 29.9 °F 33.8 °F 93% 30.05 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
8:56 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Scattered Clouds
9:16 AM 35.6 °F 29.9 °F 33.8 °F 93% 30.06 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
9:36 AM 37.4 °F 32.8 °F 35.6 °F 93% 30.07 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
9:56 AM 39.2 °F 35.9 °F 35.6 °F 87% 30.08 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:16 AM 39.2 °F - 35.6 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:36 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.10 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
10:56 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.11 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
11:16 AM 39.2 °F - 35.6 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:36 AM 41.0 °F - 35.6 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 AM 42.8 °F - 35.6 °F 76% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:16 PM 42.8 °F - 33.8 °F 70% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:36 PM 41.0 °F 37.1 °F 35.6 °F 81% 30.12 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
12:56 PM 42.8 °F 41.1 °F 35.6 °F 76% 30.12 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
1:16 PM 42.8 °F - 33.8 °F 70% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:36 PM 42.8 °F 40.1 °F 35.6 °F 76% 30.13 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
1:56 PM 41.0 °F 38.0 °F 35.6 °F 81% 30.13 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
2:16 PM 41.0 °F - 35.6 °F 81% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:36 PM 41.0 °F 38.0 °F 33.8 °F 76% 30.14 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
2:56 PM 39.2 °F 37.0 °F 35.6 °F 87% 30.14 in 10.0 mi NNE 3.5 mph - N/A   Overcast
3:16 PM 39.2 °F - 33.8 °F 81% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
3:36 PM 39.2 °F 37.0 °F 33.8 °F 81% 30.15 in 10.0 mi South 3.5 mph - N/A   Overcast
3:56 PM 39.2 °F 34.2 °F 33.8 °F 81% 30.15 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:16 PM 37.4 °F 32.8 °F 32.0 °F 81% 30.15 in 10.0 mi South 5.8 mph - 0.04 in   Mostly Cloudy
4:36 PM 37.4 °F 33.8 °F 33.8 °F 87% 30.15 in 10.0 mi SSW 4.6 mph - 0.05 in   Mostly Cloudy
5:16 PM 37.4 °F 32.8 °F 33.8 °F 87% 30.16 in 10.0 mi West 5.8 mph - N/A   Overcast
5:36 PM 35.6 °F 30.7 °F 33.8 °F 93% 30.16 in 10.0 mi SW 5.8 mph - N/A   Overcast
5:56 PM 35.6 °F 32.8 °F 33.8 °F 93% 30.16 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
6:16 PM 35.6 °F - 33.8 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:36 PM 35.6 °F - 32.0 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:56 PM 33.8 °F - 30.2 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:16 PM 33.8 °F 30.8 °F 32.0 °F 93% 30.17 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
7:36 PM 35.6 °F - 33.8 °F 93% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 PM 35.6 °F - 32.0 °F 87% 30.17 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:16 PM 33.8 °F 30.8 °F 32.0 °F 93% 30.18 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
8:36 PM 35.6 °F 31.7 °F 33.8 °F 93% 30.18 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
8:56 PM 35.6 °F 31.7 °F 32.0 °F 87% 30.19 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
9:16 PM 35.6 °F 31.7 °F 32.0 °F 87% 30.19 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:36 PM 35.6 °F 32.8 °F 32.0 °F 87% 30.20 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:56 PM 33.8 °F 30.8 °F 30.2 °F 87% 30.20 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
10:16 PM 33.8 °F 28.6 °F 30.2 °F 87% 30.20 in 10.0 mi SSW 5.8 mph - N/A   Overcast
10:36 PM 32.0 °F 27.5 °F 30.2 °F 93% 30.20 in 10.0 mi WSW 4.6 mph - N/A   Overcast
10:56 PM 32.0 °F 27.5 °F 30.2 °F 93% 30.19 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
11:16 PM 30.2 °F - 28.4 °F 93% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:36 PM 30.2 °F 24.3 °F 28.4 °F 93% 30.19 in 1.2 mi SW 5.8 mph - N/A   Mostly Cloudy
11:56 PM 30.2 °F 24.3 °F 28.4 °F 93% 30.19 in 3.0 mi West 5.8 mph - N/A   Partly Cloudy