Weather History for Juneau, AK

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Thursday, August 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 56 °F  
Max Temperature 64 °F 63 °F 84 °F (2004)
Min Temperature 52 °F 49 °F 35 °F (1973)
Degree Days  
Heating Degree Days 7 9  
Month to date heating degree days 152 129  
Since 1 June heating degree days 852 695  
Since 1 July heating degree days 458 380  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 2  
Since 1 June cooling degree days 1 2  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 78    
Maximum Humidity 100    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.18 in 1.38 in (2011)
Month to date precipitation 4.23 2.62  
Year to date precipitation 36.05 30.06  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 8 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 16, 2012 Rise Set
Actual Time 5:23 AM AKDT 8:39 PM AKDT
Civil Twilight 4:36 AM AKDT 9:26 PM AKDT
Nautical Twilight 3:30 AM AKDT 10:30 PM AKDT
Astronomical Twilight 1:20 AM AKDT 12:25 AM AKDT
Moon 4:31 AM AKDT (8/16) 7:42 PM AKDT (8/16)
Length of Visible Light 16h 49m
Length of Day
15h 15m
Waning Crescent, 1% of the Moon is Illuminated
Aug 16
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.9 °F 52.0 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 54.0 °F 53.1 °F 97% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 53.1 °F 51.1 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 54.0 °F 52.0 °F 93% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 54.0 °F 52.0 °F 93% 30.12 in 10.0 mi SSW 3.5 mph - N/A   Overcast
5:53 AM 54.0 °F 51.1 °F 90% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 55.9 °F 50.0 °F 80% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 55.9 °F 50.0 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 59.0 °F 51.1 °F 75% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 61.0 °F 51.1 °F 70% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 64.0 °F 50.0 °F 60% 30.12 in 10.0 mi WNW 4.6 mph - N/A   Overcast
11:53 AM 64.0 °F 50.0 °F 60% 30.12 in 10.0 mi WNW 5.8 mph - N/A   Overcast
12:53 PM 63.0 °F 50.0 °F 63% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Overcast
1:53 PM 63.0 °F 50.0 °F 63% 30.12 in 10.0 mi NNW 4.6 mph - N/A   Overcast
2:53 PM 64.0 °F 48.9 °F 58% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
3:53 PM 64.0 °F 48.9 °F 58% 30.11 in 10.0 mi WNW 4.6 mph - N/A   Overcast
4:53 PM 64.0 °F 48.9 °F 58% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 66.0 °F 48.9 °F 54% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 66.0 °F 46.9 °F 50% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 63.0 °F 52.0 °F 67% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 57.0 °F 46.9 °F 69% 30.07 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
9:53 PM 55.9 °F 48.9 °F 77% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 54.0 °F 46.9 °F 77% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 54.0 °F 48.0 °F 80% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy