Weather History for Petersburg, AK

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Friday, April 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 46 °F 44 °F 57 °F (1984)
Min Temperature 35 °F 31 °F 24 °F (1986)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 27 °F    
Average Humidity 60    
Maximum Humidity 75    
Minimum Humidity 37    
Precipitation  
Precipitation 0.02 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.59 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 13 mph    
Max Gust Speed 26 mph    
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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Date:

Astronomy

Apr. 12, 2013 Rise Set
Actual Time 5:50 AM AKDT 7:55 PM AKDT
Civil Twilight 5:10 AM AKDT 8:36 PM AKDT
Nautical Twilight 4:18 AM AKDT 9:28 PM AKDT
Astronomical Twilight 3:16 AM AKDT 10:31 PM AKDT
Moon 6:39 AM AKDT (4/12) 11:04 PM AKDT (4/12)
Length of Visible Light 15h 26m
Length of Day
14h 04m
Waxing Crescent, 6% of the Moon is Illuminated
Apr 12
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

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 35.6 °F 29.9 °F 28.4 °F 75% 29.82 in 10.0 mi ESE 6.9 mph 16.1 mph N/A   Overcast
1:36 AM - - - N/A% - - North - - N/A   Unknown
1:56 AM 37.4 °F 29.3 °F 28.4 °F 70% 29.73 in 10.0 mi ESE 12.7 mph 21.9 mph N/A   Overcast
2:16 AM 35.6 °F 28.6 °F 28.4 °F 75% 29.71 in 10.0 mi ESE 9.2 mph 18.4 mph N/A   Overcast
2:36 AM 35.6 °F 29.9 °F 28.4 °F 75% 29.70 in 7.0 mi ESE 6.9 mph 17.3 mph N/A   Overcast
2:56 AM 35.6 °F 27.5 °F 28.4 °F 75% 29.68 in 9.0 mi ESE 11.5 mph 18.4 mph N/A   Overcast
3:16 AM 35.6 °F 32.8 °F 28.4 °F 75% 29.67 in 10.0 mi ESE 3.5 mph - N/A   Overcast
3:36 AM 35.6 °F 27.1 °F 28.4 °F 75% 29.64 in 10.0 mi East 12.7 mph 21.9 mph N/A   Overcast
3:56 AM 37.4 °F 32.8 °F 28.4 °F 70% 29.63 in 10.0 mi ESE 5.8 mph 18.4 mph N/A   Overcast
4:16 AM 37.4 °F 30.3 °F 26.6 °F 65% 29.62 in 10.0 mi East 10.4 mph 21.9 mph N/A   Overcast
4:36 AM 37.4 °F 30.8 °F 26.6 °F 65% 29.61 in 10.0 mi ESE 9.2 mph 16.1 mph N/A   Overcast
4:56 AM 37.4 °F 30.8 °F 26.6 °F 65% 29.60 in 10.0 mi ESE 9.2 mph 17.3 mph N/A   Mostly Cloudy
5:16 AM 37.4 °F 32.8 °F 26.6 °F 65% 29.59 in 10.0 mi East 5.8 mph 17.3 mph N/A   Overcast
5:36 AM 37.4 °F 32.8 °F 26.6 °F 65% 29.58 in 10.0 mi ESE 5.8 mph 26.5 mph N/A   Overcast
5:56 AM 37.4 °F 31.4 °F 26.6 °F 65% 29.57 in 7.0 mi ESE 8.1 mph 18.4 mph N/A   Overcast
6:16 AM 35.6 °F 29.2 °F 28.4 °F 75% 29.56 in 7.0 mi ESE 8.1 mph 16.1 mph N/A   Overcast
6:56 AM 35.6 °F 32.8 °F 28.4 °F 75% 29.54 in 5.0 mi SE 3.5 mph - 0.01 in   Overcast
7:16 AM 35.6 °F 29.9 °F 28.4 °F 75% 29.53 in 3.0 mi East 6.9 mph 18.4 mph 0.01 in   Overcast
7:36 AM 35.6 °F 30.7 °F 28.4 °F 75% 29.52 in 3.0 mi East 5.8 mph - 0.01 in   Overcast
7:56 AM 37.4 °F 31.4 °F 30.2 °F 75% 29.52 in 10.0 mi North 8.1 mph - 0.01 in   Overcast
8:16 AM 37.4 °F - 30.2 °F 75% 29.51 in 10.0 mi Calm Calm - N/A   Overcast
8:36 AM 37.4 °F 32.1 °F 28.4 °F 70% 29.51 in 10.0 mi East 6.9 mph - N/A   Overcast
8:56 AM 39.2 °F 32.5 °F 28.4 °F 65% 29.50 in 10.0 mi ESE 10.4 mph - N/A   Overcast
9:16 AM 39.2 °F 32.0 °F 28.4 °F 65% 29.50 in 10.0 mi ESE 11.5 mph 16.1 mph N/A   Overcast
9:36 AM 39.2 °F 33.0 °F 28.4 °F 65% 29.50 in 10.0 mi ESE 9.2 mph - N/A   Overcast
9:56 AM 39.2 °F 33.6 °F 28.4 °F 65% 29.50 in 10.0 mi SE 8.1 mph - N/A   Overcast
10:16 AM 39.2 °F 32.5 °F 28.4 °F 65% 29.51 in 10.0 mi SE 10.4 mph 17.3 mph N/A   Overcast
10:36 AM 39.2 °F 34.2 °F 28.4 °F 65% 29.51 in 10.0 mi ESE 6.9 mph - N/A   Overcast
10:56 AM 39.2 °F 32.5 °F 28.4 °F 65% 29.51 in 10.0 mi ESE 10.4 mph - N/A   Overcast
11:16 AM 39.2 °F 34.2 °F 28.4 °F 65% 29.52 in 10.0 mi ESE 6.9 mph 16.1 mph N/A   Overcast
11:36 AM 39.2 °F 37.0 °F 28.4 °F 65% 29.52 in 10.0 mi NE 3.5 mph - N/A   Overcast
11:56 AM 39.2 °F 33.6 °F 28.4 °F 65% 29.52 in 10.0 mi North 8.1 mph - N/A   Overcast
12:16 PM 41.0 °F - 28.4 °F 61% 29.52 in 10.0 mi Calm Calm - N/A   Overcast
12:36 PM 42.8 °F 40.1 °F 28.4 °F 57% 29.51 in 10.0 mi North 4.6 mph - N/A   Overcast
12:56 PM 44.6 °F 40.2 °F 26.6 °F 49% 29.51 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
1:16 PM 44.6 °F 42.2 °F 26.6 °F 49% 29.52 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
1:36 PM 46.4 °F 42.9 °F 26.6 °F 46% 29.52 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
1:56 PM 46.4 °F 44.3 °F 28.4 °F 50% 29.53 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
2:16 PM 46.4 °F 42.9 °F 24.8 °F 43% 29.53 in 10.0 mi ENE 6.9 mph - N/A   Scattered Clouds
2:36 PM 46.4 °F 43.5 °F 26.6 °F 46% 29.54 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
2:56 PM 46.4 °F 42.9 °F 24.8 °F 43% 29.54 in 10.0 mi NNE 6.9 mph - N/A   Overcast
3:16 PM 44.6 °F 41.4 °F 24.8 °F 46% 29.55 in 10.0 mi NNE 5.8 mph - N/A   Overcast
3:36 PM 44.6 °F 42.2 °F 24.8 °F 46% 29.56 in 10.0 mi NNE 4.6 mph - N/A   Overcast
3:56 PM 46.4 °F - 23.0 °F 40% 29.56 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:16 PM 46.4 °F 44.3 °F 24.8 °F 43% 29.56 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
4:36 PM 46.4 °F 43.5 °F 24.8 °F 43% 29.57 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
4:56 PM 46.4 °F 45.2 °F 24.8 °F 43% 29.58 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
5:16 PM 46.4 °F 45.2 °F 23.0 °F 40% 29.59 in 10.0 mi ENE 3.5 mph - N/A   Scattered Clouds
5:36 PM 46.4 °F 44.3 °F 21.2 °F 37% 29.59 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
5:56 PM 46.4 °F - 21.2 °F 37% 29.60 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:16 PM 46.4 °F 44.3 °F 24.8 °F 43% 29.61 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds
6:36 PM 46.4 °F 44.3 °F 26.6 °F 46% 29.62 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
6:56 PM 46.4 °F 42.4 °F 26.6 °F 46% 29.62 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
7:16 PM 44.6 °F 40.7 °F 26.6 °F 49% 29.63 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
7:36 PM 42.8 °F 39.3 °F 26.6 °F 53% 29.64 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
7:56 PM 42.8 °F 38.6 °F 26.6 °F 53% 29.65 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
8:16 PM 41.0 °F 36.4 °F 28.4 °F 61% 29.66 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
8:36 PM 41.0 °F 35.8 °F 28.4 °F 61% 29.67 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
9:47 PM 39.2 °F 33.6 °F 28.4 °F 65% 29.70 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
11:16 PM 37.4 °F 32.1 °F 26.6 °F 65% 29.74 in - SW 6.9 mph - N/A   Unknown
11:36 PM 37.4 °F 33.8 °F 28.4 °F 70% 29.75 in 10.0 mi SW 4.6 mph - N/A   Clear
11:56 PM 37.4 °F 32.1 °F 26.6 °F 65% 29.75 in 10.0 mi SW 6.9 mph - N/A   Clear