Weather History for Petersburg, AK

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Saturday, November 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 37 °F -  
Max Temperature 42 °F 39 °F 48 °F (1983)
Min Temperature 32 °F 31 °F 18 °F (1989)
Degree Days  
Heating Degree Days 28    
Moisture  
Dew Point 33 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.02 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 30 mph    
Visibility 6 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

Nov. 12, 2011 Rise Set
Actual Time 7:25 AM AKST 3:45 PM AKST
Civil Twilight 6:42 AM AKST 4:28 PM AKST
Nautical Twilight 5:56 AM AKST 5:14 PM AKST
Astronomical Twilight 5:11 AM AKST 5:59 PM AKST
Moon 4:41 PM AKST (11/12) 9:39 AM AKST (11/12)
Length of Visible Light 9h 45m
Length of Day
8h 19m
Waning Gibbous, 96% of the Moon is Illuminated
Nov 12
Waning Gibbous
Nov 18
Last Quarter
Nov 24
New
Dec 2
First Quarter
Dec 10
Full

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:16 AM 32.0 °F - 30.2 °F 93% 29.36 in 1.5 mi Calm Calm - N/A   Overcast
12:56 AM 32.0 °F - 30.2 °F 93% 29.31 in 2.5 mi Calm Calm - N/A   Overcast
1:16 AM 32.0 °F - 30.2 °F 93% 29.27 in 2.0 mi Calm Calm - N/A   Overcast
1:36 AM 33.8 °F - 30.2 °F 87% 29.26 in 2.5 mi Calm Calm - N/A   Overcast
1:56 AM 33.8 °F - 32.0 °F 93% 29.24 in 3.0 mi Calm Calm - N/A   Overcast
2:16 AM 33.8 °F - 32.0 °F 93% 29.21 in 3.0 mi Calm Calm - N/A   Overcast
3:16 AM 33.8 °F 29.6 °F 30.2 °F 87% 29.12 in 4.0 mi ENE 4.6 mph - N/A   Overcast
3:36 AM 33.8 °F - 30.2 °F 87% 29.09 in 4.0 mi Calm Calm - N/A   Overcast
3:56 AM 33.8 °F 30.8 °F 30.2 °F 87% 29.06 in 3.0 mi East 3.5 mph - N/A   Overcast
4:16 AM 33.8 °F 28.6 °F 30.2 °F 87% 29.04 in 4.0 mi ENE 5.8 mph - N/A   Overcast
4:36 AM 35.6 °F 31.7 °F 32.0 °F 87% 29.02 in 5.0 mi East 4.6 mph - N/A   Overcast
4:56 AM 35.6 °F 31.7 °F 30.2 °F 81% 29.00 in 5.0 mi NNE 4.6 mph - N/A   Overcast
5:16 AM 35.6 °F 29.2 °F 30.2 °F 81% 28.98 in 7.0 mi North 8.1 mph - N/A   Overcast
5:36 AM 35.6 °F 32.8 °F 32.0 °F 87% 28.97 in 7.0 mi East 3.5 mph - N/A   Overcast
5:56 AM 35.6 °F - 30.2 °F 81% 28.95 in 5.0 mi Calm Calm - N/A   Overcast
6:16 AM 33.8 °F - 30.2 °F 87% 28.95 in 5.0 mi Calm Calm - N/A   Overcast
6:36 AM 33.8 °F - 30.2 °F 87% 28.94 in 5.0 mi Calm Calm - N/A   Overcast
6:56 AM 33.8 °F 29.6 °F 30.2 °F 87% 28.95 in 4.0 mi SSW 4.6 mph - N/A   Overcast
7:16 AM 33.8 °F - 30.2 °F 87% 28.95 in 4.0 mi Calm Calm - N/A   Overcast
7:36 AM 33.8 °F - 30.2 °F 87% 28.94 in 4.0 mi Calm Calm - N/A   Overcast
7:56 AM 33.8 °F 29.6 °F 30.2 °F 87% 28.93 in 4.0 mi West 4.6 mph - N/A   Overcast
8:16 AM 33.8 °F - 30.2 °F 87% 28.92 in 4.0 mi Calm Calm - N/A   Overcast
8:36 AM 33.8 °F - 30.2 °F 87% 28.92 in 3.0 mi Calm Calm - N/A   Overcast
8:56 AM 33.8 °F - 30.2 °F 87% 28.92 in 3.0 mi Calm Calm - N/A   Overcast
9:16 AM 33.8 °F - 30.2 °F 87% 28.91 in 7.0 mi Calm Calm - N/A   Overcast
9:36 AM 33.8 °F - 33.8 °F 100% 28.91 in 7.0 mi Calm Calm - N/A   Overcast
9:56 AM 33.8 °F 30.8 °F 30.2 °F 87% 28.91 in 7.0 mi SSW 3.5 mph - N/A   Overcast
10:16 AM 33.8 °F 30.8 °F 32.0 °F 93% 28.90 in 7.0 mi SW 3.5 mph - N/A   Overcast
10:36 AM 35.6 °F - 33.8 °F 93% 28.90 in 7.0 mi Calm Calm - N/A   Overcast
10:56 AM 35.6 °F 32.8 °F 33.8 °F 93% 28.90 in 5.0 mi SSW 3.5 mph - N/A   Overcast
11:16 AM 37.4 °F - 33.8 °F 87% 28.90 in 5.0 mi Calm Calm - N/A   Overcast
11:36 AM 37.4 °F 34.9 °F 35.6 °F 93% 28.89 in 5.0 mi South 3.5 mph - N/A   Overcast
11:56 AM 39.2 °F 32.0 °F 35.6 °F 87% 28.89 in 7.0 mi SSW 11.5 mph 17.3 mph N/A   Overcast
12:16 PM 41.0 °F 34.7 °F 35.6 °F 81% 28.88 in 7.0 mi South 10.4 mph 20.7 mph N/A   Overcast
12:36 PM 41.0 °F 33.9 °F 35.6 °F 81% 28.88 in 7.0 mi South 12.7 mph 19.6 mph N/A   Overcast
12:56 PM 41.0 °F 33.1 °F 35.6 °F 81% 28.88 in 7.0 mi South 15.0 mph 20.7 mph N/A   Overcast
1:16 PM 41.0 °F 33.1 °F 35.6 °F 81% 28.88 in 7.0 mi South 15.0 mph 19.6 mph N/A   Overcast
1:36 PM 42.8 °F 36.6 °F 35.6 °F 76% 28.87 in 7.0 mi South 11.5 mph 24.2 mph N/A   Overcast
1:56 PM 41.0 °F 34.3 °F 35.6 °F 81% 28.88 in 7.0 mi SW 11.5 mph 20.7 mph N/A   Overcast
2:16 PM 41.0 °F 34.3 °F 35.6 °F 81% 28.90 in 7.0 mi SW 11.5 mph 19.6 mph N/A   Overcast
2:36 PM 41.0 °F 35.8 °F 35.6 °F 81% 28.93 in 7.0 mi SW 8.1 mph - N/A   Overcast
2:56 PM 42.8 °F 37.0 °F 33.8 °F 70% 28.94 in 7.0 mi SSW 10.4 mph 29.9 mph N/A   Overcast
3:16 PM 42.8 °F 37.0 °F 35.6 °F 76% 28.96 in 7.0 mi WSW 10.4 mph 26.5 mph N/A   Overcast
3:36 PM 41.0 °F 34.7 °F 35.6 °F 81% 28.99 in 7.0 mi WSW 10.4 mph 20.7 mph N/A   Overcast
3:56 PM 41.0 °F 35.8 °F 37.4 °F 87% 29.02 in 7.0 mi WSW 8.1 mph 17.3 mph N/A   Overcast
4:36 PM 39.2 °F 33.6 °F 37.4 °F 93% 29.07 in 7.0 mi West 8.1 mph - N/A   Overcast
4:56 PM 39.2 °F 33.0 °F 35.6 °F 87% 29.08 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:16 PM 41.0 °F 35.2 °F 35.6 °F 81% 29.10 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:36 PM 41.0 °F 35.8 °F 35.6 °F 81% 29.11 in 10.0 mi WSW 8.1 mph - N/A   Overcast
5:56 PM 39.2 °F 35.0 °F 35.6 °F 87% 29.12 in 7.0 mi West 5.8 mph - N/A   Mostly Cloudy
6:16 PM 39.2 °F 34.2 °F 35.6 °F 87% 29.13 in 7.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
6:36 PM 39.2 °F 33.6 °F 33.8 °F 81% 29.14 in 7.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
6:56 PM 37.4 °F 33.8 °F 33.8 °F 87% 29.15 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:16 PM 39.2 °F 33.0 °F 33.8 °F 81% 29.16 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
7:36 PM 39.2 °F 35.9 °F 35.6 °F 87% 29.17 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
7:56 PM 37.4 °F 31.4 °F 35.6 °F 93% 29.18 in 7.0 mi WSW 8.1 mph - N/A   Overcast
8:16 PM 39.2 °F 32.5 °F 35.6 °F 87% 29.19 in 7.0 mi West 10.4 mph - N/A   Overcast
8:36 PM 37.4 °F 32.1 °F 33.8 °F 87% 29.19 in 7.0 mi SW 6.9 mph - N/A   Overcast
8:56 PM 37.4 °F 32.1 °F 33.8 °F 87% 29.20 in 10.0 mi West 6.9 mph - N/A   Overcast
9:16 PM 39.2 °F 33.6 °F 33.8 °F 81% 29.20 in 10.0 mi SW 8.1 mph - N/A   Overcast
9:36 PM 39.2 °F 35.9 °F 33.8 °F 81% 29.21 in 10.0 mi SW 4.6 mph - N/A   Overcast
9:56 PM 39.2 °F 35.0 °F 33.8 °F 81% 29.22 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
10:16 PM 39.2 °F 35.9 °F 33.8 °F 81% 29.22 in 10.0 mi SSW 4.6 mph - N/A   Overcast
10:36 PM 37.4 °F 34.9 °F 33.8 °F 87% 29.21 in 10.0 mi ESE 3.5 mph - N/A   Overcast
10:56 PM 39.2 °F - 32.0 °F 75% 29.21 in 10.0 mi Calm Calm - N/A   Overcast
11:16 PM 35.6 °F - 33.8 °F 93% 29.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:36 PM 39.2 °F 33.0 °F 30.2 °F 70% 29.21 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
11:56 PM 39.2 °F 33.6 °F 30.2 °F 70% 29.20 in 10.0 mi SSE 8.1 mph - N/A   Overcast