Weather History for Petersburg, AK

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Tuesday, October 2, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F -  
Max Temperature 46 °F 49 °F 67 °F (1987)
Min Temperature 32 °F 40 °F 28 °F (2000)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 35 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.57 in    
Wind  
Wind Speed 2 mph (East)    
Max Wind Speed 7 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

Oct. 02, 2012 Rise Set
Actual Time 6:58 AM AKDT 6:22 PM AKDT
Civil Twilight 6:20 AM AKDT 6:59 PM AKDT
Nautical Twilight 5:36 AM AKDT 7:43 PM AKDT
Astronomical Twilight 4:50 AM AKDT 8:29 PM AKDT
Moon 6:56 PM AKDT (10/2) 10:13 AM AKDT (10/2)
Length of Visible Light 12h 38m
Length of Day
11h 23m
Waning Gibbous, 93% of the Moon is Illuminated
Oct 2
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 37.4 °F - 33.8 °F 87% 30.45 in 10.0 mi Calm Calm - N/A   Clear
12:36 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.46 in 10.0 mi South 4.6 mph - N/A   Clear
12:56 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.46 in 10.0 mi South 4.6 mph - N/A   Clear
1:16 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.47 in 10.0 mi SSW 3.5 mph - N/A   Clear
1:36 AM 37.4 °F - 35.6 °F 93% 30.48 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 37.4 °F 33.8 °F 35.6 °F 93% 30.49 in 10.0 mi ESE 4.6 mph - N/A   Clear
2:16 AM 37.4 °F 34.9 °F 33.8 °F 87% 30.50 in 10.0 mi ESE 3.5 mph - N/A   Clear
2:36 AM 37.4 °F 32.1 °F 33.8 °F 87% 30.51 in 10.0 mi ESE 6.9 mph - N/A   Clear
2:56 AM 37.4 °F - 33.8 °F 87% 30.51 in 10.0 mi Calm Calm - N/A   Clear
3:16 AM 35.6 °F - 33.8 °F 93% 30.52 in 10.0 mi Calm Calm - N/A   Clear
3:36 AM 35.6 °F 31.7 °F 30.2 °F 81% 30.52 in 10.0 mi SE 4.6 mph - N/A   Clear
3:56 AM 35.6 °F - 30.2 °F 81% 30.53 in 10.0 mi Calm Calm - N/A   Clear
4:16 AM 33.8 °F - 30.2 °F 87% 30.54 in 10.0 mi Calm Calm - N/A   Clear
4:36 AM 35.6 °F - 32.0 °F 87% 30.55 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.55 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:16 AM 33.8 °F - 30.2 °F 87% 30.55 in 10.0 mi Calm Calm - N/A   Clear
5:36 AM 33.8 °F - 32.0 °F 93% 30.56 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 33.8 °F - 33.8 °F 100% 30.56 in 10.0 mi Calm Calm - N/A   Clear
6:16 AM 32.0 °F - 28.4 °F 87% 30.57 in 10.0 mi Calm Calm - N/A   Clear
6:36 AM 33.8 °F 28.6 °F 32.0 °F 93% 30.57 in 10.0 mi SSE 5.8 mph - N/A   Clear
6:56 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.57 in 10.0 mi ESE 4.6 mph - N/A   Clear
7:16 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.58 in 10.0 mi ESE 4.6 mph - N/A   Clear
7:36 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.58 in 10.0 mi ESE 4.6 mph - N/A   Clear
7:56 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.58 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
8:16 AM 37.4 °F - 33.8 °F 87% 30.58 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:36 AM 35.6 °F - 33.8 °F 93% 30.58 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 37.4 °F 34.9 °F 33.8 °F 87% 30.58 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:16 AM 39.2 °F - 35.6 °F 87% 30.59 in 10.0 mi Calm Calm - N/A   Clear
9:36 AM - - - N/A% 30.59 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 42.8 °F - 35.6 °F 76% 30.60 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:16 AM 42.8 °F 41.1 °F 35.6 °F 76% 30.61 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
10:36 AM 42.8 °F - 35.6 °F 76% 30.62 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM 44.6 °F 43.1 °F 37.4 °F 76% 30.62 in 10.0 mi East 3.5 mph - N/A   Clear
11:16 AM 44.6 °F - 35.6 °F 71% 30.62 in 10.0 mi Calm Calm - N/A   Clear
11:36 AM 44.6 °F 42.2 °F 35.6 °F 71% 30.61 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
11:56 AM 44.6 °F 42.2 °F 37.4 °F 76% 30.61 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
12:16 PM 44.6 °F 42.2 °F 37.4 °F 76% 30.62 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
12:36 PM 46.4 °F 44.3 °F 33.8 °F 62% 30.62 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
12:56 PM 46.4 °F 43.5 °F 33.8 °F 62% 30.62 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
1:16 PM 44.6 °F 41.4 °F 33.8 °F 66% 30.61 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
1:36 PM 44.6 °F 42.2 °F 35.6 °F 71% 30.60 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
1:56 PM 44.6 °F 41.4 °F 35.6 °F 71% 30.60 in 10.0 mi NE 5.8 mph - N/A   Partly Cloudy
2:16 PM 46.4 °F 45.2 °F 35.6 °F 66% 30.60 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
2:36 PM 46.4 °F 44.3 °F 35.6 °F 66% 30.60 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
2:56 PM 46.4 °F 44.3 °F 35.6 °F 66% 30.60 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
3:16 PM 46.4 °F 44.3 °F 33.8 °F 62% 30.60 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
3:36 PM 46.4 °F 45.2 °F 35.6 °F 66% 30.60 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
3:56 PM 46.4 °F - 35.6 °F 66% 30.59 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:16 PM 46.4 °F - 33.8 °F 62% 30.59 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:36 PM 46.4 °F 45.2 °F 35.6 °F 66% 30.60 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
4:56 PM 44.6 °F 43.1 °F 37.4 °F 76% 30.59 in - ENE 3.5 mph - N/A   Scattered Clouds
5:16 PM 44.6 °F - 37.4 °F 76% 30.58 in 10.0 mi Calm Calm - N/A   Clear
5:36 PM 44.6 °F 43.1 °F 37.4 °F 76% 30.58 in 10.0 mi NE 3.5 mph - N/A   Clear
5:56 PM 44.6 °F 43.1 °F 37.4 °F 76% 30.58 in 10.0 mi East 3.5 mph - N/A   Clear
6:16 PM 42.8 °F 41.1 °F 37.4 °F 81% 30.58 in 10.0 mi East 3.5 mph - N/A   Clear
6:36 PM 42.8 °F 40.1 °F 35.6 °F 76% 30.57 in 10.0 mi SE 4.6 mph - N/A   Clear
6:56 PM 41.0 °F 37.1 °F 35.6 °F 81% 30.57 in 10.0 mi SE 5.8 mph - N/A   Clear
7:16 PM 41.0 °F 38.0 °F 35.6 °F 81% 30.57 in 10.0 mi SE 4.6 mph - N/A   Clear
8:45 PM 42.8 °F - 35.6 °F 76% 30.57 in 10.0 mi Calm Calm - N/A   Clear
9:16 PM 39.2 °F - 35.6 °F 87% 30.55 in 10.0 mi Calm Calm - N/A   Clear
9:36 PM 39.2 °F - 35.6 °F 87% 30.55 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 39.2 °F - 37.4 °F 93% 30.55 in 10.0 mi Calm Calm - N/A   Clear
10:16 PM 39.2 °F - 37.4 °F 93% 30.55 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:36 PM 39.2 °F - 37.4 °F 93% 30.55 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 PM 39.2 °F - 37.4 °F 93% 30.55 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:16 PM 39.2 °F - 37.4 °F 93% 30.54 in 10.0 mi Calm Calm - N/A   Overcast
11:36 PM 39.2 °F - 35.6 °F 87% 30.54 in 10.0 mi Calm Calm - N/A   Overcast
11:56 PM 39.2 °F 37.0 °F 37.4 °F 93% 30.54 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy