Weather History for Juneau, AK

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 57 °F  
Max Temperature 57 °F 64 °F 82 °F (1955)
Min Temperature 53 °F 51 °F 39 °F (2008)
Degree Days  
Heating Degree Days 10 8  
Month to date heating degree days 179 177  
Since 1 June heating degree days 393 492  
Since 1 July heating degree days 179 177  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 7 1  
Since 1 June cooling degree days 7 1  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 93    
Precipitation  
Precipitation 0.67 in 0.16 in 1.17 in (1998)
Month to date precipitation 3.90 2.98  
Year to date precipitation 35.46 25.82  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 7 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jul. 21, 2013 Rise Set
Actual Time 4:27 AM AKDT 9:40 PM AKDT
Civil Twilight 3:26 AM AKDT 10:41 PM AKDT
Nautical Twilight 1:37 AM AKDT 12:32 AM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 8:29 PM AKDT (7/21) 3:29 AM AKDT (7/21)
Length of Visible Light 19h 14m
Length of Day
17h 12m
Waxing Gibbous, 99% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM 55.9 °F 55.0 °F 97% 29.93 in 8.0 mi East 11.5 mph - 0.02 in Rain Light Rain
12:53 AM 55.0 °F 54.0 °F 96% 29.93 in 8.0 mi East 11.5 mph - 0.03 in Rain Light Rain
1:53 AM 54.0 °F 54.0 °F 100% 29.93 in 5.0 mi East 8.1 mph - 0.09 in Rain Light Rain
2:53 AM 55.0 °F 54.0 °F 96% 29.92 in 10.0 mi ENE 8.1 mph - 0.01 in Rain Light Rain
3:53 AM 54.0 °F 53.1 °F 97% 29.92 in 10.0 mi East 10.4 mph - 0.00 in Rain Light Rain
4:34 AM 54.0 °F 53.1 °F 97% 29.92 in 8.0 mi East 9.2 mph - 0.00 in Rain Light Rain
4:53 AM 54.0 °F 53.1 °F 97% 29.92 in 6.0 mi East 8.1 mph - 0.01 in Rain Light Rain
5:53 AM 54.0 °F 53.1 °F 97% 29.91 in 7.0 mi East 8.1 mph - 0.01 in   Overcast
6:53 AM 54.0 °F 53.1 °F 97% 29.91 in 4.0 mi East 5.8 mph - 0.01 in Rain Light Rain
7:53 AM 54.0 °F 53.1 °F 97% 29.91 in 4.0 mi East 8.1 mph - 0.01 in   Light Drizzle
8:20 AM 54.0 °F 53.1 °F 97% 29.91 in 3.0 mi ENE 8.1 mph - 0.02 in   Light Drizzle
8:41 AM 54.0 °F 53.1 °F 97% 29.91 in 5.0 mi East 9.2 mph - 0.02 in   Light Drizzle
8:53 AM 54.0 °F 53.1 °F 97% 29.91 in 7.0 mi East 9.2 mph - 0.02 in   Light Drizzle
9:38 AM 54.0 °F 53.1 °F 97% 29.91 in 5.0 mi East 10.4 mph - 0.01 in Rain Light Rain
9:53 AM 54.0 °F 53.1 °F 97% 29.91 in 7.0 mi East 11.5 mph - 0.02 in Rain Light Rain
10:53 AM 54.0 °F 53.1 °F 97% 29.92 in 10.0 mi East 11.5 mph - 0.02 in Rain Light Rain
11:35 AM 54.0 °F 53.1 °F 97% 29.92 in 10.0 mi East 11.5 mph - 0.01 in Rain Light Rain
11:53 AM 54.0 °F 53.1 °F 97% 29.92 in 10.0 mi East 10.4 mph - 0.01 in Rain Light Rain
12:53 PM 54.0 °F 53.1 °F 97% 29.93 in 10.0 mi East 10.4 mph - 0.00 in   Overcast
1:53 PM 55.0 °F 53.1 °F 93% 29.93 in 10.0 mi East 10.4 mph - 0.00 in Rain Light Rain
2:53 PM 55.9 °F 54.0 °F 93% 29.94 in 10.0 mi East 11.5 mph - 0.01 in Rain Light Rain
3:24 PM 57.0 °F 54.0 °F 89% 29.93 in 10.0 mi ENE 11.5 mph - 0.00 in   Overcast
3:53 PM 55.9 °F 54.0 °F 93% 29.94 in 10.0 mi ENE 12.7 mph - 0.00 in Rain Light Rain
4:07 PM 55.9 °F 53.1 °F 90% 29.94 in 10.0 mi East 11.5 mph - 0.00 in Rain Light Rain
4:53 PM 55.0 °F 54.0 °F 96% 29.94 in 5.0 mi NE 8.1 mph - 0.10 in Rain Light Rain
5:10 PM 55.0 °F 54.0 °F 96% 29.93 in 4.0 mi ENE 9.2 mph - 0.02 in Rain Rain
5:53 PM 55.0 °F 54.0 °F 96% 29.94 in 3.0 mi ENE 10.4 mph 18.4 mph 0.07 in Rain Rain
6:40 PM 54.0 °F 53.1 °F 97% 29.94 in 2.5 mi NE 9.2 mph - 0.08 in Rain Rain
6:53 PM 54.0 °F 53.1 °F 97% 29.94 in 3.0 mi ENE 9.2 mph - 0.11 in Rain Rain
7:53 PM 54.0 °F 53.1 °F 97% 29.95 in 4.0 mi NE 9.2 mph - 0.09 in Rain Light Rain
8:53 PM 55.0 °F 53.1 °F 93% 29.96 in 5.0 mi ENE 9.2 mph - 0.09 in Rain Light Rain
9:10 PM 54.0 °F 54.0 °F 100% 29.95 in 8.0 mi ENE 9.2 mph - 0.00 in Rain Light Rain
9:53 PM 55.0 °F 53.1 °F 93% 29.96 in 10.0 mi East 6.9 mph - 0.00 in   Overcast
10:53 PM 54.0 °F 53.1 °F 97% 29.97 in 10.0 mi East 6.9 mph - 0.00 in   Overcast
11:53 PM 53.1 °F 53.1 °F 100% 29.97 in 10.0 mi East 8.1 mph - N/A   Overcast