Weather History for Seattle, WA

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Tuesday, June 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 65 °F 61 °F  
Max Temperature 74 °F 70 °F 94 °F (1982)
Min Temperature 56 °F 52 °F 43 °F (1954)
Degree Days  
Heating Degree Days 0 5  
Month to date heating degree days 36 101  
Since 1 June heating degree days 36 101  
Since 1 July heating degree days 4319 4654  
Cooling Degree Days 0 1  
Month to date cooling degree days 11 6  
Year to date cooling degree days 24 12  
Since 1 June cooling degree days 11 6  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 60    
Maximum Humidity 86    
Minimum Humidity 33    
Precipitation  
Precipitation 0.01 in 0.05 in 0.41 in (2011)
Month to date precipitation 0.06 1.07  
Year to date precipitation 16.81 18.51  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jun. 18, 2013 Rise Set
Actual Time 5:11 AM PDT 9:09 PM PDT
Civil Twilight 4:31 AM PDT 9:49 PM PDT
Nautical Twilight 3:35 AM PDT 10:45 PM PDT
Astronomical Twilight 2:07 AM PDT 12:14 AM PDT
Moon 3:44 PM PDT (6/18) 1:41 AM PDT (6/18)
Length of Visible Light 17h 18m
Length of Day
15h 57m
Waxing Gibbous, 72% of the Moon is Illuminated
Jun 18
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
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 59.0 °F 52.0 °F 78% 30.01 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
1:53 AM 59.0 °F 52.0 °F 78% 30.00 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
2:53 AM 57.9 °F 52.0 °F 81% 30.00 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
3:53 AM 57.9 °F 52.0 °F 81% 30.01 in 10.0 mi South 3.5 mph - N/A   Overcast
4:34 AM 57.2 °F 51.8 °F 82% 29.99 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
4:53 AM 57.9 °F 52.0 °F 81% 30.01 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
5:44 AM 57.2 °F 53.6 °F 88% 30.00 in 10.0 mi WSW 3.5 mph - 0.01 in   Overcast
5:53 AM 57.0 °F 53.1 °F 87% 30.01 in 10.0 mi Calm Calm - 0.01 in   Mostly Cloudy
6:53 AM 57.9 °F 52.0 °F 81% 30.01 in 10.0 mi SW 5.8 mph - 0.00 in   Mostly Cloudy
7:53 AM 57.9 °F 52.0 °F 81% 30.01 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
8:53 AM 61.0 °F 48.0 °F 62% 30.01 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
9:53 AM 63.0 °F 48.9 °F 60% 30.00 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
10:53 AM 64.0 °F 46.9 °F 54% 29.99 in 10.0 mi West 3.5 mph - N/A   Scattered Clouds
11:53 AM 66.0 °F 46.0 °F 48% 29.99 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
12:53 PM 68.0 °F 45.0 °F 43% 29.97 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
1:53 PM 71.1 °F 44.1 °F 38% 29.96 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
2:53 PM 73.0 °F 42.1 °F 33% 29.95 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
3:53 PM 72.0 °F 41.0 °F 33% 29.94 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
4:53 PM 73.0 °F 42.1 °F 33% 29.93 in 10.0 mi WSW 10.4 mph 16.1 mph N/A   Scattered Clouds
5:53 PM 71.1 °F 45.0 °F 39% 29.92 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
6:53 PM 66.9 °F 45.0 °F 45% 29.95 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
7:53 PM 66.0 °F 46.9 °F 50% 29.95 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
8:53 PM 63.0 °F 46.9 °F 56% 29.97 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
9:53 PM 61.0 °F 48.0 °F 62% 29.98 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
10:53 PM 59.0 °F 48.0 °F 67% 29.98 in 10.0 mi SSW 9.2 mph - N/A   Overcast
11:53 PM 57.0 °F 48.9 °F 74% 29.98 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy