Weather History for Dutch Harbor, AK

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Tuesday, July 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F -  
Max Temperature 59 °F 55 °F 72 °F (1984)
Min Temperature 51 °F 45 °F 38 °F (1987)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 79    
Maximum Humidity 86    
Minimum Humidity 72    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.70 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain    
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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Date:

Astronomy

Jul. 31, 2012 Rise Set
Actual Time 7:19 AM AKDT 11:04 PM AKDT
Civil Twilight 6:35 AM AKDT 11:48 PM AKDT
Nautical Twilight 5:32 AM AKDT 12:50 AM AKDT
Astronomical Twilight 3:15 AM AKDT 2:44 AM AKDT
Moon 9:58 PM AKDT 5:52 AM AKDT
Length of Visible Light 17h 13m
Length of Day
15h 44m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 31
Waxing Gibbous
Aug 1
Full
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.0 °F 48.9 °F 80% 29.79 in 10.0 mi East 9.2 mph - 0.00 in Rain Light Rain
1:47 AM 55.4 °F 48.2 °F 77% 29.76 in 10.0 mi East 9.2 mph - 0.00 in   Overcast
1:56 AM 54.0 °F 48.0 °F 80% 29.78 in 10.0 mi North 4.6 mph - 0.00 in   Overcast
2:56 AM 53.1 °F 48.9 °F 86% 29.77 in 10.0 mi SE 5.8 mph - 0.00 in   Overcast
3:56 AM 54.0 °F 50.0 °F 86% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 57.0 °F 51.1 °F 81% 29.78 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 57.9 °F 50.0 °F 75% 29.77 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:40 AM 57.2 °F 48.2 °F 72% 29.75 in 10.0 mi Variable 6.9 mph 19.6 mph N/A   Overcast
6:56 AM 57.0 °F 50.0 °F 77% 29.76 in 10.0 mi SSW 9.2 mph 21.9 mph N/A   Overcast
7:23 AM 57.2 °F 50.0 °F 77% 29.73 in 10.0 mi SSW 20.7 mph 29.9 mph N/A   Mostly Cloudy
7:56 AM 59.0 °F 51.1 °F 75% 29.75 in 10.0 mi WSW 16.1 mph 27.6 mph N/A   Overcast
8:56 AM 57.9 °F 50.0 °F 75% 29.74 in 10.0 mi SSW 16.1 mph 31.1 mph N/A   Mostly Cloudy
9:56 AM 57.0 °F 50.0 °F 77% 29.73 in 10.0 mi South 10.4 mph 19.6 mph N/A   Mostly Cloudy
10:56 AM 55.9 °F 50.0 °F 80% 29.74 in 10.0 mi SSW 11.5 mph - N/A   Overcast
11:56 AM 55.9 °F 50.0 °F 80% 29.73 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
12:52 PM 55.4 °F 50.0 °F 82% 29.72 in 10.0 mi NW 5.8 mph - N/A   Overcast
12:56 PM 55.9 °F 50.0 °F 80% 29.74 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:41 PM 53.6 °F 48.2 °F 82% 29.71 in 10.0 mi East 8.1 mph - N/A   Overcast
1:54 PM 53.6 °F 48.2 °F 82% 29.71 in 10.0 mi East 9.2 mph - N/A   Overcast
1:56 PM 53.1 °F 48.0 °F 83% 29.73 in 10.0 mi East 8.1 mph - N/A   Overcast
2:56 PM 57.0 °F 50.0 °F 77% 29.71 in 10.0 mi Calm Calm - N/A   Overcast
3:51 PM 55.4 °F 48.2 °F 77% 29.67 in 10.0 mi SW 20.7 mph - N/A   Mostly Cloudy
3:56 PM 55.0 °F 48.9 °F 80% 29.68 in 10.0 mi SW 17.3 mph - N/A   Mostly Cloudy
4:56 PM 57.0 °F 50.0 °F 77% 29.67 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
5:56 PM 55.9 °F 48.9 °F 77% 29.66 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
6:56 PM 52.0 °F 46.9 °F 83% 29.65 in 10.0 mi East 10.4 mph - N/A   Scattered Clouds
7:56 PM 55.9 °F 48.9 °F 77% 29.63 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 PM 55.9 °F 48.0 °F 75% 29.61 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
9:56 PM 55.0 °F 46.9 °F 74% 29.60 in 10.0 mi WSW 25.3 mph - N/A   Mostly Cloudy
10:23 PM 53.6 °F 46.4 °F 77% 29.60 in 10.0 mi WSW 15.0 mph - N/A   Mostly Cloudy
10:56 PM 52.0 °F 46.0 °F 80% 29.62 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
11:08 PM 51.8 °F 46.4 °F 82% 29.59 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
11:40 PM 51.8 °F 46.4 °F 82% 29.60 in 10.0 mi WSW 13.8 mph - N/A   Overcast
11:56 PM 51.1 °F 45.0 °F 80% 29.61 in 10.0 mi SW 12.7 mph - N/A   Overcast