Weather History for Seattle, WA

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Friday, July 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 67 °F  
Max Temperature 66 °F 77 °F 95 °F (1958)
Min Temperature 57 °F 57 °F 46 °F (1956)
Degree Days  
Heating Degree Days 3 1  
Month to date heating degree days 45 45  
Since 1 June heating degree days 239 189  
Since 1 July heating degree days 45 45  
Cooling Degree Days 0 3  
Month to date cooling degree days 32 61  
Year to date cooling degree days 35 88  
Since 1 June cooling degree days 32 82  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 75    
Maximum Humidity 86    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in 0.01 in 0.30 in (1983)
Month to date precipitation 1.04 0.63  
Year to date precipitation 26.39 19.64  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 12 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 27, 2012 Rise Set
Actual Time 5:41 AM PDT 8:48 PM PDT
Civil Twilight 5:05 AM PDT 9:25 PM PDT
Nautical Twilight 4:17 AM PDT 10:12 PM PDT
Astronomical Twilight 3:18 AM PDT 11:10 PM PDT
Moon 3:54 PM PDT 12:19 AM PDT
Length of Visible Light 16h 20m
Length of Day
15h 07m
Waxing Gibbous, 66% of the Moon is Illuminated
Jul 27
Waxing Gibbous
Aug 1
Full
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 54.0 °F 89% 29.99 in 10.0 mi SW 6.9 mph - N/A   Overcast
1:53 AM 57.0 °F 54.0 °F 89% 29.99 in 10.0 mi SSW 9.2 mph - N/A   Overcast
2:53 AM 57.0 °F 54.0 °F 89% 30.00 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:53 AM 57.0 °F 54.0 °F 89% 30.01 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:53 AM 57.0 °F 53.1 °F 87% 30.01 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:14 AM 57.2 °F 53.6 °F 88% 30.00 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:36 AM 57.2 °F 53.6 °F 88% 30.01 in 10.0 mi SSW 6.9 mph - N/A   Overcast
5:53 AM 57.0 °F 53.1 °F 87% 30.02 in 10.0 mi SW 5.8 mph - N/A   Overcast
6:53 AM 57.0 °F 53.1 °F 87% 30.04 in 6.0 mi SSW 4.6 mph - N/A   Overcast
7:53 AM 57.0 °F 53.1 °F 87% 30.05 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:53 AM 57.0 °F 54.0 °F 89% 30.07 in 5.0 mi SSW 8.1 mph - N/A   Overcast
9:53 AM 59.0 °F 53.1 °F 81% 30.08 in 10.0 mi South 5.8 mph - N/A   Overcast
10:18 AM 60.8 °F 53.6 °F 77% 30.07 in 10.0 mi South 9.2 mph - N/A   Overcast
10:53 AM 60.1 °F 52.0 °F 75% 30.09 in 10.0 mi Variable 5.8 mph - N/A   Overcast
11:53 AM 61.0 °F 52.0 °F 72% 30.10 in 10.0 mi Variable 4.6 mph - N/A   Overcast
12:53 PM 63.0 °F 52.0 °F 67% 30.10 in 10.0 mi SSW 9.2 mph - N/A   Overcast
1:53 PM 63.0 °F 52.0 °F 67% 30.12 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:53 PM 63.0 °F 53.1 °F 70% 30.12 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:53 PM 64.9 °F 54.0 °F 68% 30.12 in 10.0 mi Variable 5.8 mph - N/A   Overcast
4:53 PM 64.9 °F 54.0 °F 68% 30.11 in 10.0 mi SSW 8.1 mph - N/A   Overcast
5:15 PM 64.4 °F 53.6 °F 68% 30.09 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:53 PM 66.0 °F 55.0 °F 68% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Overcast
6:53 PM 66.0 °F 54.0 °F 65% 30.10 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
7:53 PM 64.0 °F 54.0 °F 70% 30.10 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
8:53 PM 62.1 °F 53.1 °F 72% 30.12 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
9:53 PM 61.0 °F 53.1 °F 75% 30.14 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
10:53 PM 59.0 °F 52.0 °F 78% 30.14 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds
11:31 PM 59.0 °F 51.8 °F 77% 30.13 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:53 PM 59.0 °F 52.0 °F 78% 30.15 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy