Weather History for Seattle, WA

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Friday, July 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 66 °F  
Max Temperature 82 °F 77 °F 95 °F (1988)
Min Temperature 56 °F 56 °F 48 °F (1962)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 5 37  
Since 1 June heating degree days 54 181  
Since 1 July heating degree days 5 37  
Cooling Degree Days 4 3  
Month to date cooling degree days 71 37  
Year to date cooling degree days 133 64  
Since 1 June cooling degree days 120 58  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.02 in 0.45 in (1993)
Month to date precipitation T 0.49  
Year to date precipitation 18.05 19.50  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 4 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 19, 2013 Rise Set
Actual Time 5:32 AM PDT 8:58 PM PDT
Civil Twilight 4:54 AM PDT 9:36 PM PDT
Nautical Twilight 4:04 AM PDT 10:25 PM PDT
Astronomical Twilight 2:57 AM PDT 11:31 PM PDT
Moon 6:05 PM PDT (7/19) 2:19 AM PDT (7/19)
Length of Visible Light 16h 41m
Length of Day
15h 26m
Waxing Gibbous, 87% of the Moon is Illuminated
Jul 19
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 63.0 °F - 54.0 °F 72% 30.16 in 10.0 mi North 3.5 mph - N/A   Clear
1:53 AM 60.1 °F - 54.0 °F 80% 30.17 in 10.0 mi North 4.6 mph - N/A   Clear
2:53 AM 59.0 °F - 53.1 °F 81% 30.17 in 10.0 mi North 5.8 mph - N/A   Clear
3:53 AM 59.0 °F - 53.1 °F 81% 30.18 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 57.0 °F - 52.0 °F 83% 30.18 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 55.9 °F - 53.1 °F 90% 30.19 in 9.0 mi Calm Calm - N/A   Partly Cloudy
6:42 AM 57.2 °F - 53.6 °F 88% 30.18 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 57.0 °F - 54.0 °F 89% 30.19 in 9.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
7:53 AM 59.0 °F - 55.0 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 62.1 °F - 55.0 °F 78% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 62.1 °F - 55.0 °F 78% 30.20 in 8.0 mi Calm Calm - N/A   Overcast
10:53 AM 64.0 °F - 55.0 °F 73% 30.20 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:15 AM 64.4 °F - 55.4 °F 73% 30.18 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:53 AM 68.0 °F - 55.9 °F 65% 30.19 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:07 PM 68.0 °F - 55.4 °F 64% 30.17 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
12:53 PM 70.0 °F - 55.9 °F 61% 30.17 in 10.0 mi West 6.9 mph - N/A   Clear
1:53 PM 73.0 °F - 57.0 °F 57% 30.15 in 10.0 mi West 8.1 mph - N/A   Clear
2:53 PM 77.0 °F - 57.0 °F 50% 30.13 in 10.0 mi West 9.2 mph - N/A   Clear
3:53 PM 79.0 °F - 57.0 °F 47% 30.12 in 10.0 mi West 9.2 mph - N/A   Clear
4:53 PM 81.0 °F 81.0 °F 57.0 °F 44% 30.11 in 10.0 mi North 9.2 mph - N/A   Clear
5:53 PM 82.0 °F 81.6 °F 55.9 °F 41% 30.09 in 10.0 mi NNW 8.1 mph - N/A   Clear
6:53 PM 81.0 °F 80.7 °F 55.0 °F 41% 30.08 in 10.0 mi North 6.9 mph - N/A   Clear
7:53 PM 77.0 °F - 57.0 °F 50% 30.08 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:53 PM 72.0 °F - 57.0 °F 59% 30.08 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 PM 68.0 °F - 55.9 °F 65% 30.09 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 66.9 °F - 55.9 °F 68% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 62.1 °F - 55.0 °F 78% 30.09 in 10.0 mi West 3.5 mph - N/A   Clear