Weather History for Petersburg, AK

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Wednesday, May 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F -  
Max Temperature 64 °F 53 °F 68 °F (1997)
Min Temperature 42 °F 40 °F 34 °F (1985)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 48    
Maximum Humidity 71    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 6 mph (NNE)    
Max Wind Speed 12 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

May. 22, 2013 Rise Set
Actual Time 4:21 AM AKDT 9:17 PM AKDT
Civil Twilight 3:25 AM AKDT 10:13 PM AKDT
Nautical Twilight 1:39 AM AKDT 12:04 AM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 6:20 PM AKDT (5/22) 3:05 AM AKDT (5/22)
Length of Visible Light 18h 47m
Length of Day
16h 55m
Waxing Gibbous, 92% of the Moon is Illuminated
May 22
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
12:16 AM 48.2 °F - 30.2 °F 50% 30.01 in 10.0 mi SW 8.1 mph - N/A   Clear
12:36 AM 50.0 °F - 30.2 °F 47% 30.01 in 10.0 mi SW 6.9 mph - N/A   Clear
12:56 AM 48.2 °F - 30.2 °F 50% 30.01 in 10.0 mi SW 8.1 mph - N/A   Clear
1:16 AM 48.2 °F - 30.2 °F 50% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:36 AM 46.4 °F 42.4 °F 30.2 °F 53% 30.01 in 10.0 mi WSW 8.1 mph - N/A   Clear
1:56 AM 44.6 °F 42.2 °F 32.0 °F 61% 30.01 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:16 AM 44.6 °F 42.2 °F 30.2 °F 57% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:36 AM 44.6 °F 40.7 °F 30.2 °F 57% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Clear
2:56 AM 44.6 °F 41.4 °F 32.0 °F 61% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:16 AM 44.6 °F 41.4 °F 32.0 °F 61% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:36 AM 42.8 °F 39.3 °F 32.0 °F 66% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:56 AM 42.8 °F 40.1 °F 32.0 °F 66% 30.00 in 10.0 mi WSW 4.6 mph - N/A   Clear
4:16 AM 42.8 °F 39.3 °F 32.0 °F 66% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
4:36 AM 42.8 °F 38.0 °F 32.0 °F 66% 30.01 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:56 AM 42.8 °F 38.6 °F 32.0 °F 66% 30.01 in 10.0 mi SW 6.9 mph - N/A   Clear
5:16 AM 42.8 °F 38.6 °F 33.8 °F 70% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Clear
5:36 AM 42.8 °F 39.3 °F 33.8 °F 70% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
5:56 AM 42.8 °F 39.3 °F 33.8 °F 70% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:16 AM 46.4 °F 43.5 °F 33.8 °F 62% 30.02 in 10.0 mi West 5.8 mph - N/A   Clear
6:36 AM 46.4 °F 45.2 °F 33.8 °F 62% 30.02 in 10.0 mi West 3.5 mph - N/A   Clear
6:56 AM 48.2 °F - 33.8 °F 58% 30.02 in 10.0 mi Calm Calm - N/A   Clear
7:16 AM 50.0 °F - 33.8 °F 54% 30.02 in 10.0 mi Calm Calm - N/A   Clear
7:36 AM 51.8 °F - 33.8 °F 50% 30.02 in 10.0 mi NE 3.5 mph - N/A   Clear
7:56 AM 51.8 °F - 35.6 °F 54% 30.02 in 10.0 mi Calm Calm - N/A   Clear
8:36 AM 51.8 °F - 35.6 °F 54% 30.01 in 10.0 mi NE 3.5 mph - N/A   Unknown
8:56 AM 51.8 °F - 35.6 °F 54% 30.01 in 10.0 mi NE 6.9 mph - N/A   Clear
9:16 AM 53.6 °F - 35.6 °F 51% 30.00 in 10.0 mi ENE 6.9 mph - N/A   Clear
9:36 AM 53.6 °F - 35.6 °F 51% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Clear
9:56 AM 55.4 °F - 35.6 °F 47% 30.01 in 10.0 mi NE 5.8 mph - N/A   Clear
10:16 AM 55.4 °F - 35.6 °F 47% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Clear
10:36 AM 55.4 °F - 37.4 °F 51% 30.01 in 10.0 mi East 5.8 mph - N/A   Clear
10:56 AM 55.4 °F - 37.4 °F 51% 30.01 in 10.0 mi East 5.8 mph - N/A   Clear
11:16 AM 57.2 °F - 33.8 °F 41% 30.01 in 10.0 mi East 4.6 mph - N/A   Clear
11:36 AM 57.2 °F - 33.8 °F 41% 30.01 in 10.0 mi ENE 6.9 mph - N/A   Clear
11:56 AM 59.0 °F - 33.8 °F 39% 30.01 in 10.0 mi NE 6.9 mph - N/A   Clear
12:16 PM 60.8 °F - 33.8 °F 36% 30.00 in 10.0 mi East 5.8 mph - N/A   Clear
12:36 PM 60.8 °F - 32.0 °F 34% 30.01 in 10.0 mi ENE 6.9 mph - N/A   Clear
12:56 PM 60.8 °F - 33.8 °F 36% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Clear
1:16 PM 60.8 °F - 33.8 °F 36% 30.01 in 10.0 mi NE 5.8 mph - N/A   Clear
1:36 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi NE 8.1 mph - N/A   Clear
1:56 PM 60.8 °F - 33.8 °F 36% 30.01 in 10.0 mi ENE 5.8 mph - N/A   Clear
2:16 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi NNE 6.9 mph - N/A   Clear
2:36 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi NNE 8.1 mph - N/A   Clear
2:56 PM 60.8 °F - 33.8 °F 36% 30.01 in 10.0 mi NNE 9.2 mph - N/A   Clear
3:16 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi NNE 10.4 mph - N/A   Clear
3:36 PM 62.6 °F - 32.0 °F 32% 30.01 in 10.0 mi NNE 10.4 mph - N/A   Clear
3:56 PM 62.6 °F - 32.0 °F 32% 30.01 in 10.0 mi NNE 8.1 mph - N/A   Clear
4:16 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi NNE 9.2 mph - N/A   Clear
4:36 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi North 9.2 mph - N/A   Clear
4:56 PM 62.6 °F - 33.8 °F 34% 30.01 in 10.0 mi North 9.2 mph - N/A   Clear
5:16 PM 64.4 °F - 33.8 °F 32% 30.01 in 10.0 mi North 8.1 mph - N/A   Clear
5:36 PM 64.4 °F - 32.0 °F 30% 30.01 in 10.0 mi North 9.2 mph - N/A   Clear
5:56 PM 62.6 °F - 30.2 °F 30% 30.01 in 10.0 mi Calm Calm - N/A   Clear
6:16 PM 62.6 °F - 30.2 °F 30% 30.01 in 10.0 mi West 5.8 mph - N/A   Clear
6:36 PM 62.6 °F - 30.2 °F 30% 30.01 in 10.0 mi West 9.2 mph - N/A   Clear
6:56 PM 62.6 °F - 30.2 °F 30% 30.01 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:16 PM 60.8 °F - 30.2 °F 31% 30.02 in 10.0 mi West 11.5 mph - N/A   Clear
7:36 PM 60.8 °F - 30.2 °F 31% 30.02 in 10.0 mi West 5.8 mph - N/A   Clear
7:56 PM 60.8 °F - 30.2 °F 31% 30.03 in 10.0 mi West 6.9 mph - N/A   Clear
8:16 PM 60.8 °F - 30.2 °F 31% 30.03 in 10.0 mi East 3.5 mph - N/A   Clear
8:36 PM 59.0 °F - 30.2 °F 34% 30.03 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 55.4 °F - 35.6 °F 47% 30.03 in 10.0 mi ENE 3.5 mph - N/A   Clear
9:16 PM 53.6 °F - 35.6 °F 51% 30.04 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:36 PM 53.6 °F - 33.8 °F 47% 30.04 in 10.0 mi SE 6.9 mph - N/A   Clear
9:56 PM 51.8 °F - 33.8 °F 50% 30.04 in 10.0 mi ESE 6.9 mph - N/A   Clear
10:16 PM 48.2 °F - 33.8 °F 58% 30.05 in 10.0 mi ESE 4.6 mph - N/A   Clear
10:36 PM 48.2 °F - 33.8 °F 58% 30.05 in 10.0 mi SE 3.5 mph - N/A   Clear
10:56 PM 46.4 °F - 33.8 °F 62% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:16 PM 44.6 °F 43.1 °F 35.6 °F 71% 30.04 in 10.0 mi South 3.5 mph - N/A   Clear
11:36 PM 44.6 °F - 33.8 °F 66% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 44.6 °F - 35.6 °F 71% 30.03 in 10.0 mi Calm Calm - N/A   Clear