Seattle, WA
on Tuesday, December 18, 2012

Tuesday
Previous Day Next Day
Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature °F 40°F  
Max Temperature 39°F 45°F 54°F (1958)
Min Temperature 33°F 35°F 18°F (1964)
Degree Days
Heating Degree Days 29 25  
Month to date heating degree days 398 435  
Since 1 July heating degree days 1425 1618  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Moisture
Dew Point 30°F   
Average Humidity 80    
Maximum Humidity 89    
Minimum Humidity 70    
Precipitation
Precipitation 0.13 in 0.16 in 1.23 in (1960)
Month to date precipitation 4.39 3.19  
Year to date precipitation 45.80 35.33  
Snow
Snow 0.60 in in 5.10 in (1968)
Month to date snowfall 0.6  
Since 1 July snowfall 0.6  
Snow Depth 1.00 in   
Wind
Wind Speed 12 mph   
Max Wind Speed 20 mph   
Max Gust Speed 25 mph   
Visibility 8 miles   
Events Snow   

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% 29.92 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
1:43 AM 35.6°F 30.2°F 81% 29.89 in 6.0 miles South 12.7 mph 18.4 mph 0.00 in Snow Light Snow
1:53 AM 36.0°F 30.0°F 79% 29.91 in 9.0 miles South 11.5 mph - 0.00 in   Overcast
2:37 AM 33.8°F 30.2°F 87% 29.89 in 2.0 miles South 10.4 mph - 0.01 in Snow Light Snow
2:53 AM 33.1°F 30.9°F 92% 29.91 in 1.8 miles South 10.4 mph - 0.03 in Snow Light Snow
3:05 AM 33.8°F 30.2°F 87% 29.89 in 1.2 miles South 8.1 mph - 0.02 in Snow Light Snow
3:22 AM 33.8°F 30.2°F 87% 29.88 in 1.2 miles South 10.4 mph - 0.04 in Snow Light Snow
3:29 AM 33.8°F 30.2°F 87% 29.88 in 0.8 miles SSE 10.4 mph - 0.06 in Snow Light Snow
3:45 AM 33.8°F 30.2°F 87% 29.88 in 1.8 miles South 9.2 mph - 0.08 in Snow Light Snow
3:53 AM 33.1°F 30.9°F 92% 29.91 in 3.0 miles South 12.7 mph - 0.08 in Snow Light Snow
4:02 AM 33.8°F 30.2°F 87% 29.87 in 3.0 miles South 15.0 mph - 0.01 in Snow Light Snow
4:13 AM 33.8°F 30.2°F 87% 29.88 in 3.0 miles South 15.0 mph - 0.01 in Snow Light Snow
4:53 AM 34.0°F 30.9°F 89% 29.91 in 9.0 miles South 11.5 mph - 0.02 in Snow Light Snow
5:53 AM 34.0°F 30.9°F 89% 29.91 in 10.0 miles South 13.8 mph 20.7 mph 0.00 in   Mostly Cloudy
6:53 AM 34.0°F 30.9°F 89% 29.92 in 10.0 miles SSW 10.4 mph - N/A   Overcast
7:53 AM 34.0°F 30.9°F 89% 29.94 in 10.0 miles South 15.0 mph - N/A   Mostly Cloudy
8:53 AM 34.0°F 30.9°F 89% 29.95 in 10.0 miles SSW 12.7 mph 23.0 mph N/A   Mostly Cloudy
9:53 AM 35.1°F 32.0°F 89% 29.96 in 10.0 miles South 11.5 mph - N/A   Mostly Cloudy
10:53 AM 36.0°F 32.0°F 86% 29.98 in 10.0 miles SSW 12.7 mph 20.7 mph N/A   Mostly Cloudy
11:17 AM 37.4°F 32.0°F 81% 29.94 in 10.0 miles South 13.8 mph 19.6 mph N/A   Mostly Cloudy
11:53 AM 37.0°F 30.9°F 79% 29.98 in 10.0 miles SSW 15.0 mph - N/A   Mostly Cloudy
12:53 PM 37.0°F 32.0°F 82% 29.98 in 10.0 miles SSW 15.0 mph - 0.00 in   Mostly Cloudy
1:53 PM 37.9°F 32.0°F 79% 29.97 in 10.0 miles SSW 15.0 mph 24.2 mph N/A   Mostly Cloudy
2:06 PM 37.4°F 32.0°F 81% 29.94 in 10.0 miles SSW 17.3 mph 23.0 mph N/A   Mostly Cloudy
2:53 PM 37.9°F 30.9°F 76% 29.99 in 10.0 miles SSW 13.8 mph 21.9 mph N/A   Mostly Cloudy
3:53 PM 37.0°F 30.0°F 76% 29.99 in 10.0 miles SSW 13.8 mph - N/A   Mostly Cloudy
4:53 PM 37.0°F 28.9°F 73% 30.00 in 10.0 miles SSW 15.0 mph 25.3 mph N/A   Overcast
5:53 PM 37.0°F 30.0°F 76% 30.01 in 10.0 miles South 12.7 mph - N/A   Overcast
6:53 PM 37.0°F 30.0°F 76% 30.01 in 10.0 miles South 10.4 mph - N/A   Overcast
7:14 PM 37.4°F 30.2°F 75% 29.98 in 10.0 miles South 8.1 mph 17.3 mph N/A   Overcast
7:53 PM 36.0°F 30.0°F 79% 30.01 in 10.0 miles South 10.4 mph - N/A   Overcast
8:53 PM 36.0°F 28.9°F 76% 30.01 in 10.0 miles South 9.2 mph - N/A   Overcast
9:23 PM 35.6°F 28.4°F 75% 29.98 in 10.0 miles South 10.4 mph - N/A   Overcast
9:53 PM 36.0°F 28.0°F 73% 30.01 in 10.0 miles South 9.2 mph - N/A   Mostly Cloudy
10:53 PM 36.0°F 28.0°F 73% 30.00 in 10.0 miles SE 6.9 mph - N/A   Mostly Cloudy
11:53 PM 35.1°F 27.0°F 72% 29.99 in 10.0 miles SE 6.9 mph - N/A   Overcast
Moon Phase
Dec. 18 Dec. 20 Dec. 28 Jan. 04 Jan. 11
Sunrise:07:52 AM (PST) Moon Rise:11:12 AM (PST)12/18
Sunset:04:19 PM (PST) Moon Set:11:16 PM (PST)12/18

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