Seattle, WA
on Thursday, August 21, 2008

Thursday
Previous Day Next Day
Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F 66°F  
Max Temperature 68°F 75°F 88°F (1966)
Min Temperature 56°F 56°F 46°F (1973)
Degree Days
Heating Degree Days 3 2  
Month to date heating degree days 23 25  
Since 1 July heating degree days 65 80  
Cooling Degree Days 0 2  
Month to date cooling degree days 84 46  
Year to date cooling degree days 181 135  
Growing Degree Days10 (Base °F )  
Moisture
Dew Point 54°F   
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 58    
Precipitation
Precipitation 0.02 in 0.04 in 0.70 in (1989)
Month to date precipitation 1.75 0.62  
Year to date precipitation 16.04 20.33  
Wind
Wind Speed 11 mph   
Max Wind Speed 21 mph   
Max Gust Speed 26 mph   
Visibility 9 miles   
Events Rain   
Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(PDT)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:53 AM 57.0°F 54.0°F 89% 29.73 in 10.0 miles South 13.8 mph - 0.00 in Rain Light Rain
1:27 AM 55.4°F 53.6°F 94% 29.71 in 10.0 miles South 12.7 mph - 0.01 in Rain Light Rain
1:53 AM 55.9°F 53.1°F 90% 29.74 in 10.0 miles South 11.5 mph - 0.02 in   Overcast
2:53 AM 55.9°F 53.1°F 90% 29.75 in 10.0 miles South 9.2 mph - 0.00 in   Mostly Cloudy
3:09 AM 55.4°F 53.6°F 94% 29.73 in 10.0 miles South 10.4 mph - N/A   Mostly Cloudy
3:53 AM 57.0°F 53.1°F 87% 29.76 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
4:53 AM 55.9°F 53.1°F 90% 29.76 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
5:23 AM 55.4°F 53.6°F 94% 29.75 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
5:53 AM 55.9°F 53.1°F 90% 29.78 in 10.0 miles South 12.7 mph - N/A   Mostly Cloudy
6:12 AM 55.4°F 53.6°F 94% 29.77 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
6:53 AM 55.9°F 52.0°F 87% 29.80 in 7.0 miles SSW 13.8 mph - 0.00 in Rain Light Rain
7:08 AM 55.4°F 53.6°F 94% 29.79 in 7.0 miles South 12.7 mph - 0.00 in Rain Light Rain
7:27 AM 55.4°F 53.6°F 94% 29.79 in 7.0 miles South 16.1 mph - 0.00 in   Mostly Cloudy
7:53 AM 55.9°F 52.0°F 87% 29.81 in 10.0 miles SSW 15.0 mph - 0.00 in   Mostly Cloudy
8:28 AM 55.4°F 51.8°F 88% 29.81 in 10.0 miles South 15.0 mph - N/A   Mostly Cloudy
8:53 AM 57.0°F 52.0°F 83% 29.84 in 10.0 miles South 15.0 mph - N/A   Mostly Cloudy
9:53 AM 57.9°F 52.0°F 81% 29.88 in 10.0 miles South 13.8 mph - N/A   Mostly Cloudy
10:00 AM 60.8°F 53.6°F 77% 29.86 in 10.0 miles South 13.8 mph 20.7 mph N/A   Mostly Cloudy
10:53 AM 61.0°F 52.0°F 72% 29.90 in 10.0 miles SW 16.1 mph 24.2 mph N/A   Mostly Cloudy
11:53 AM 62.6°F 51.8°F 68% 29.91 in 10.0 miles SW 15.0 mph 23.0 mph N/A   Mostly Cloudy
12:53 PM 64.4°F 51.8°F 64% 29.93 in 10.0 miles SW 16.1 mph 23.0 mph N/A   Mostly Cloudy
1:09 PM 64.4°F 51.8°F 64% 29.94 in 10.0 miles SW 16.1 mph - N/A   Mostly Cloudy
1:28 PM 64.4°F 51.8°F 64% 29.94 in 10.0 miles SW 16.1 mph - N/A   Mostly Cloudy
1:53 PM 63.0°F 51.1°F 65% 29.97 in 10.0 miles SW 13.8 mph - N/A   Mostly Cloudy
2:53 PM 64.9°F 51.1°F 61% 29.99 in 10.0 miles SSW 13.8 mph - N/A   Mostly Cloudy
3:53 PM 66.0°F 51.1°F 59% 30.00 in 10.0 miles SSW 12.7 mph - N/A   Scattered Clouds
4:53 PM 66.9°F 51.1°F 57% 30.01 in 10.0 miles SW 12.7 mph - N/A   Mostly Cloudy
5:53 PM 66.0°F 52.0°F 60% 30.03 in 10.0 miles SSW 11.5 mph - N/A   Scattered Clouds
6:53 PM 66.0°F 51.1°F 59% 30.04 in 10.0 miles SW 8.1 mph - N/A   Scattered Clouds
7:53 PM 64.0°F 51.1°F 63% 30.05 in 10.0 miles SW 6.9 mph - N/A   Scattered Clouds
8:53 PM 62.1°F 51.1°F 67% 30.07 in 10.0 miles Calm Calm - N/A   Partly Cloudy
9:53 PM 61.0°F 51.1°F 70% 30.09 in 10.0 miles SW 3.5 mph - N/A   Partly Cloudy
10:53 PM 59.0°F 51.1°F 75% 30.09 in 10.0 miles Calm Calm - N/A   Clear
11:53 PM 59.0°F 51.1°F 75% 30.10 in 10.0 miles SSE 4.6 mph - N/A   Clear

Astronomy

Sunrise:06:14 AM (PDT) Moon Rise:09:49 PM (PDT)8/21
Sunset:08:09 PM (PDT) Moon Set:12:06 PM (PDT)8/21
Moon Phase
Aug. 21 Aug. 23 Aug. 30 Sep. 07 Sep. 15

Copyright © 2008 The Weather Underground, Inc.