Weather History for Juneau, AK

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Wednesday, September 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 51 °F  
Max Temperature 55 °F 57 °F 70 °F (1997)
Min Temperature 46 °F 45 °F 30 °F (1992)
Degree Days  
Heating Degree Days 14 14  
Month to date heating degree days 170 158  
Since 1 July heating degree days 793 693  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1 2  
Moisture  
Dew Point 49 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation 0.71 in 0.29 in 1.03 in (2009)
Month to date precipitation 4.99 3.19  
Year to date precipitation 44.40 36.36  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 12 mph (East)    
Max Wind Speed 25 mph    
Max Gust Speed 35 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 12, 2012 Rise Set
Actual Time 6:22 AM AKDT 7:24 PM AKDT
Civil Twilight 5:42 AM AKDT 8:04 PM AKDT
Nautical Twilight 4:52 AM AKDT 8:54 PM AKDT
Astronomical Twilight 3:56 AM AKDT 9:49 PM AKDT
Moon 2:08 AM AKDT (9/12) 5:45 PM AKDT (9/12)
Length of Visible Light 14h 22m
Length of Day
13h 01m
Waning Crescent, 12% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 7
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 46.9 °F 45.0 °F 93% 29.95 in 6.0 mi East 13.8 mph - 0.06 in Rain Light Rain
1:53 AM 46.9 °F 46.0 °F 97% 29.93 in 10.0 mi East 12.7 mph - 0.03 in Rain Light Rain
2:53 AM 46.9 °F 46.9 °F 100% 29.90 in 6.0 mi East 11.5 mph - 0.06 in Rain Light Rain
3:53 AM 48.0 °F 46.9 °F 96% 29.87 in 6.0 mi East 12.7 mph - 0.08 in Rain Light Rain
4:53 AM 48.9 °F 46.9 °F 93% 29.85 in 8.0 mi East 12.7 mph - 0.08 in Rain Light Rain
5:53 AM 48.9 °F 46.9 °F 93% 29.84 in 7.0 mi East 12.7 mph - 0.04 in Rain Light Rain
6:07 AM 48.2 °F 46.4 °F 93% 29.83 in 5.0 mi ESE 17.3 mph 23.0 mph 0.01 in Rain Light Rain
6:53 AM 50.0 °F 48.0 °F 93% 29.82 in 6.0 mi East 16.1 mph 24.2 mph 0.05 in Rain Light Rain
7:06 AM 50.0 °F 48.2 °F 94% 29.82 in 6.0 mi ESE 19.6 mph 26.5 mph 0.02 in Rain Rain
7:53 AM 50.0 °F 48.0 °F 93% 29.83 in 6.0 mi ESE 16.1 mph 25.3 mph 0.08 in Rain Light Rain
8:53 AM 50.0 °F 48.0 °F 93% 29.82 in 6.0 mi ESE 20.7 mph 33.4 mph 0.07 in Rain Rain
9:53 AM 50.0 °F 48.0 °F 93% 29.83 in 7.0 mi ESE 15.0 mph 25.3 mph 0.06 in Rain Light Rain
10:53 AM 50.0 °F 48.0 °F 93% 29.85 in 9.0 mi ESE 16.1 mph - 0.13 in Rain Light Rain
11:53 AM 51.1 °F 48.0 °F 89% 29.88 in 10.0 mi East 12.7 mph - 0.01 in Rain Light Rain
12:53 PM 52.0 °F 48.9 °F 89% 29.90 in 10.0 mi ESE 15.0 mph - 0.00 in   Overcast
1:53 PM 52.0 °F 50.0 °F 93% 29.91 in 10.0 mi ESE 16.1 mph 24.2 mph 0.00 in Rain Light Rain
2:53 PM 53.1 °F 50.0 °F 89% 29.92 in 10.0 mi ESE 18.4 mph - 0.01 in   Overcast
3:53 PM 54.0 °F 51.1 °F 90% 29.93 in 10.0 mi East 11.5 mph 18.4 mph 0.00 in   Overcast
4:53 PM 55.0 °F 52.0 °F 89% 29.94 in 10.0 mi East 12.7 mph - 0.00 in   Overcast
5:53 PM 53.1 °F 51.1 °F 93% 29.94 in 10.0 mi ENE 10.4 mph - N/A   Overcast
6:53 PM 53.1 °F 51.1 °F 93% 29.96 in 10.0 mi NNE 6.9 mph - 0.01 in   Overcast
7:53 PM 52.0 °F 51.1 °F 97% 29.99 in 10.0 mi East 8.1 mph - 0.00 in   Overcast
8:53 PM 51.1 °F 51.1 °F 100% 29.99 in 10.0 mi East 6.9 mph - N/A   Overcast
9:53 PM 50.0 °F 48.9 °F 96% 30.00 in 10.0 mi NE 5.8 mph - N/A   Overcast
10:53 PM 48.9 °F 48.9 °F 100% 29.99 in 10.0 mi East 3.5 mph - N/A   Overcast
11:53 PM 48.9 °F 48.0 °F 97% 29.98 in 10.0 mi Calm Calm - N/A   Overcast