Weather History for Petersburg, AK

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Monday, May 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 44 °F -  
Max Temperature 53 °F 53 °F 71 °F (2002)
Min Temperature 35 °F 40 °F 32 °F (1990)
Degree Days  
Heating Degree Days 21    
Moisture  
Dew Point 32 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.35 in    
Wind  
Wind Speed 4 mph (NNE)    
Max Wind Speed 10 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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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 4:24 AM AKDT 9:13 PM AKDT
Civil Twilight 3:29 AM AKDT 10:08 PM AKDT
Nautical Twilight 1:51 AM AKDT 11:50 PM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 3:35 PM AKDT 2:24 AM AKDT
Length of Visible Light 18h 38m
Length of Day
16h 48m
Waxing Gibbous, 76% of the Moon is Illuminated
May 20
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (AKDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
2:16 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.49 in 10.0 mi South 3.5 mph - N/A   Unknown
2:36 AM 37.4 °F - 33.8 °F 87% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
2:56 AM 35.6 °F - 33.8 °F 93% 30.49 in 10.0 mi Calm Calm - N/A   Overcast
3:16 AM 35.6 °F - 33.8 °F 93% 30.48 in 10.0 mi Calm Calm - N/A   Overcast
3:36 AM 35.6 °F - 33.8 °F 93% 30.48 in 10.0 mi Calm Calm - N/A   Overcast
4:16 AM 37.4 °F - 33.8 °F 87% 30.47 in 10.0 mi Calm Calm - N/A   Overcast
4:36 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.47 in 10.0 mi West 3.5 mph - N/A   Overcast
4:56 AM 35.6 °F - 33.8 °F 93% 30.47 in 10.0 mi Calm Calm - N/A   Overcast
5:16 AM 35.6 °F - 33.8 °F 93% 30.46 in 10.0 mi Calm Calm - N/A   Overcast
5:36 AM 35.6 °F - 33.8 °F 93% 30.46 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 35.6 °F - 33.8 °F 93% 30.46 in 10.0 mi Calm Calm - N/A   Overcast
6:16 AM 37.4 °F - 33.8 °F 87% 30.46 in 10.0 mi Calm Calm - N/A   Overcast
6:36 AM 37.4 °F - 33.8 °F 87% 30.45 in 10.0 mi Calm Calm - N/A   Overcast
6:56 AM 37.4 °F 34.9 °F 33.8 °F 87% 30.45 in 10.0 mi East 3.5 mph - N/A   Overcast
7:16 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.45 in 10.0 mi ENE 4.6 mph - N/A   Overcast
7:36 AM 39.2 °F 37.0 °F 33.8 °F 81% 30.44 in 10.0 mi NE 3.5 mph - N/A   Overcast
7:56 AM - - - N/A% - 10.0 mi North - - N/A   Mostly Cloudy
8:16 AM 39.2 °F 35.0 °F 33.8 °F 81% 30.44 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
8:36 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.43 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:56 AM 41.0 °F 39.0 °F 33.8 °F 76% 30.43 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
9:16 AM 42.8 °F 38.6 °F 33.8 °F 70% 30.42 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
9:36 AM 42.8 °F 38.6 °F 35.6 °F 76% 30.42 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
9:56 AM 44.6 °F 40.2 °F 35.6 °F 71% 30.41 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
10:16 AM 42.8 °F 38.6 °F 35.6 °F 76% 30.41 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
10:56 AM 44.6 °F 42.2 °F 33.8 °F 66% 30.40 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
11:16 AM 44.6 °F 41.4 °F 33.8 °F 66% 30.39 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
11:36 AM 46.4 °F 42.4 °F 33.8 °F 62% 30.38 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
11:56 AM 46.4 °F 42.9 °F 33.8 °F 62% 30.38 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
12:16 PM 46.4 °F 41.9 °F 32.0 °F 57% 30.37 in 10.0 mi ENE 9.2 mph - N/A   Scattered Clouds
12:36 PM 46.4 °F 42.4 °F 33.8 °F 62% 30.37 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
12:56 PM 46.4 °F 42.4 °F 33.8 °F 62% 30.36 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
1:16 PM 48.2 °F - 35.6 °F 62% 30.36 in 10.0 mi NE 10.4 mph - N/A   Scattered Clouds
1:36 PM 48.2 °F - 33.8 °F 58% 30.35 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
1:56 PM 48.2 °F - 35.6 °F 62% 30.35 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
2:16 PM 48.2 °F - 33.8 °F 58% 30.34 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
2:36 PM 50.0 °F - 33.8 °F 54% 30.33 in 10.0 mi NE 9.2 mph - N/A   Scattered Clouds
2:56 PM 50.0 °F - 35.6 °F 58% 30.32 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
3:16 PM 50.0 °F - 33.8 °F 54% 30.31 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
3:36 PM 51.8 °F - 32.0 °F 47% 30.30 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
3:56 PM 51.8 °F - 32.0 °F 47% 30.30 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
4:16 PM 51.8 °F - 28.4 °F 41% 30.30 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
4:36 PM 51.8 °F - 28.4 °F 41% 30.29 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
4:56 PM 51.8 °F - 30.2 °F 44% 30.28 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
5:16 PM 53.6 °F - 28.4 °F 38% 30.28 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
5:36 PM 53.6 °F - 28.4 °F 38% 30.27 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
5:56 PM 53.6 °F - 28.4 °F 38% 30.27 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
6:16 PM 53.6 °F - 26.6 °F 35% 30.27 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
6:36 PM 53.6 °F - 28.4 °F 38% 30.26 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
6:56 PM 53.6 °F - 28.4 °F 38% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:16 PM 53.6 °F - 28.4 °F 38% 30.25 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
7:36 PM 51.8 °F - 28.4 °F 41% 30.25 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
7:56 PM 51.8 °F - 28.4 °F 41% 30.24 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
8:16 PM 50.0 °F - 28.4 °F 43% 30.24 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
8:36 PM 48.2 °F - 28.4 °F 46% 30.24 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
8:56 PM 48.2 °F - 28.4 °F 46% 30.24 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:16 PM 48.2 °F - 28.4 °F 46% 30.24 in 10.0 mi West 9.2 mph - N/A   Clear
9:36 PM 46.4 °F 43.5 °F 28.4 °F 50% 30.24 in 10.0 mi SW 5.8 mph - N/A   Clear
9:56 PM 46.4 °F 42.9 °F 28.4 °F 50% 30.24 in 10.0 mi WSW 6.9 mph - N/A   Clear
10:16 PM 46.4 °F 41.9 °F 28.4 °F 50% 30.24 in 10.0 mi West 9.2 mph - N/A   Clear
10:36 PM 46.4 °F 43.5 °F 28.4 °F 50% 30.24 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:56 PM 44.6 °F 42.2 °F 28.4 °F 53% 30.23 in 10.0 mi South 4.6 mph - N/A   Clear
11:16 PM 44.6 °F 42.2 °F 28.4 °F 53% 30.24 in 10.0 mi South 4.6 mph - N/A   Clear