Seattle, WA
on Friday, December 21, 2012

Friday
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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F 40°F  
Max Temperature 47°F 45°F 56°F (2005)
Min Temperature 29°F 35°F 12°F (1990)
Degree Days
Heating Degree Days 27 25  
Month to date heating degree days 475 510  
Since 1 July heating degree days 1502 1693  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Moisture
Dew Point 33°F   
Average Humidity 78    
Maximum Humidity 92    
Minimum Humidity 64    
Precipitation
Precipitation 0.07 in 0.17 in 0.99 in (1964)
Month to date precipitation 5.52 3.69  
Year to date precipitation 46.93 35.83  
Snow
Snow 0.00 in in 3.00 in (2008)
Month to date snowfall 0.6  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in   
Wind
Wind Speed 4 mph   
Max Wind Speed 14 mph   
Max Gust Speed 18 mph   
Visibility 10 miles   
Events Rain   

Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(PST)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:53 AM 35.1°F 30.0°F 82% 29.83 in 10.0 miles Calm Calm - N/A   Clear
1:53 AM 30.9°F 28.0°F 89% 29.83 in 10.0 miles Calm Calm - N/A   Clear
2:53 AM 32.0°F 28.9°F 88% 29.82 in 10.0 miles ESE 3.5 mph - N/A   Clear
3:53 AM 30.9°F 28.0°F 89% 29.80 in 10.0 miles Calm Calm - N/A   Scattered Clouds
4:53 AM 34.0°F 28.9°F 82% 29.78 in 10.0 miles East 3.5 mph - N/A   Mostly Cloudy
5:53 AM 34.0°F 30.0°F 85% 29.77 in 10.0 miles NE 3.5 mph - N/A   Mostly Cloudy
6:53 AM 35.1°F 30.0°F 82% 29.77 in 10.0 miles SE 5.8 mph - N/A   Overcast
7:53 AM 39.0°F 28.9°F 67% 29.74 in 10.0 miles East 10.4 mph - N/A   Overcast
8:53 AM 37.0°F 30.9°F 79% 29.75 in 10.0 miles WSW 4.6 mph - 0.00 in Rain Light Rain
9:53 AM 39.9°F 30.9°F 70% 29.77 in 9.0 miles South 8.1 mph - 0.00 in Rain Light Rain
10:53 AM 39.9°F 33.1°F 77% 29.78 in 10.0 miles ESE 5.8 mph - 0.01 in   Mostly Cloudy
11:53 AM 43.0°F 35.1°F 74% 29.79 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
12:53 PM 45.0°F 34.0°F 65% 29.78 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
1:53 PM 46.0°F 36.0°F 68% 29.77 in 10.0 miles Calm Calm - N/A   Scattered Clouds
2:53 PM 45.0°F 36.0°F 71% 29.77 in 10.0 miles SE 5.8 mph - N/A   Scattered Clouds
3:53 PM 43.0°F 35.1°F 74% 29.76 in 10.0 miles WSW 3.5 mph - N/A   Mostly Cloudy
4:53 PM 41.0°F 35.1°F 79% 29.75 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
5:53 PM 42.1°F 35.1°F 76% 29.74 in 10.0 miles NE 5.8 mph - N/A   Mostly Cloudy
6:53 PM 41.0°F 34.0°F 76% 29.72 in 10.0 miles North 5.8 mph - N/A   Mostly Cloudy
7:53 PM 41.0°F 35.1°F 79% 29.70 in 10.0 miles NNE 9.2 mph - N/A   Mostly Cloudy
8:53 PM 39.9°F 36.0°F 86% 29.71 in 10.0 miles North 3.5 mph - N/A   Mostly Cloudy
9:53 PM 42.1°F 35.1°F 76% 29.71 in 10.0 miles ENE 3.5 mph - N/A   Overcast
10:53 PM 39.9°F 36.0°F 86% 29.71 in 10.0 miles SE 3.5 mph - 0.00 in Rain Light Rain
11:53 PM 39.9°F 35.1°F 83% 29.68 in 10.0 miles East 9.2 mph - 0.06 in   Mostly Cloudy
Moon Phase
Dec. 21 Dec. 28 Jan. 04 Jan. 11 Jan. 18
Sunrise:07:54 AM (PST) Moon Rise:12:26 PM (PST)
Sunset:04:21 PM (PST) Moon Set:01:29 AM (PST)

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