Seattle Boeing, WA
on Monday, December 31, 2012

Monday
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Daily Summary
 ActualAverage (KSEA)Record (KSEA)
Temperature
Mean Temperature °F 41°F  
Max Temperature 41°F 46°F 56°F (1963)
Min Temperature 30°F 36°F 13°F (1968)
Degree Days
Heating Degree Days 30 24  
Month to date heating degree days 757  
Since 1 July heating degree days 1938  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 189  
Moisture
Dew Point 31°F   
Average Humidity 83    
Maximum Humidity 93    
Minimum Humidity 73    
Precipitation
Precipitation 0.00 in 0.16 in 1.30 in (1996)
Month to date precipitation 5.35  
Year to date precipitation 37.49  
Snow
Snow 0.00 in in 9.30 in (1968)
Month to date snowfall  
Since 1 July snowfall  
Snow Depth in   
Wind
Wind Speed 2 mph   
Max Wind Speed 7 mph   
Max Gust Speed mph   
Visibility 9 miles   
Events     

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
12:09 AM 35.6°F 33.8°F 93% 30.30 in 2.0 miles SSE 3.5 mph - N/A   Overcast
12:26 AM 35.6°F 33.8°F 93% 30.30 in 4.0 miles Calm Calm - N/A   Overcast
12:53 AM 35.1°F 32.0°F 89% 30.30 in 4.0 miles Calm Calm - N/A   Overcast
1:14 AM 33.8°F 32.0°F 93% 30.30 in 7.0 miles ESE 3.5 mph - N/A   Scattered Clouds
1:53 AM 33.1°F 30.9°F 92% 30.31 in 7.0 miles Calm Calm - N/A   Scattered Clouds
2:53 AM 32.0°F 30.0°F 92% 30.30 in 8.0 miles SE 3.5 mph - N/A   Clear
3:53 AM 33.1°F 28.9°F 85% 30.29 in 9.0 miles SE 4.6 mph - N/A   Clear
4:53 AM 30.9°F 28.0°F 89% 30.27 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
5:53 AM 32.0°F 28.0°F 85% 30.25 in 6.0 miles Calm Calm - N/A   Scattered Clouds
6:53 AM 33.1°F 30.0°F 89% 30.26 in 9.0 miles Calm Calm - N/A   Scattered Clouds
7:53 AM 33.1°F 30.0°F 89% 30.27 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
8:53 AM 34.0°F 30.0°F 85% 30.30 in 10.0 miles Calm Calm - N/A   Clear
9:53 AM 35.1°F 30.9°F 85% 30.32 in 10.0 miles South 3.5 mph - N/A   Mostly Cloudy
10:42 AM 37.4°F 30.2°F 75% 30.33 in 10.0 miles SSE 3.5 mph - N/A   Overcast
10:53 AM 37.0°F 30.9°F 79% 30.33 in 10.0 miles Calm Calm - N/A   Overcast
11:53 AM 39.0°F 32.0°F 76% 30.33 in 10.0 miles Calm Calm - N/A   Overcast
12:53 PM 39.9°F 33.1°F 77% 30.32 in 10.0 miles Calm Calm - N/A   Overcast
1:53 PM 39.9°F 33.1°F 77% 30.32 in 10.0 miles Calm Calm - N/A   Overcast
2:09 PM 41.0°F 33.8°F 76% 30.33 in 10.0 miles Calm Calm - N/A   Overcast
2:53 PM 41.0°F 33.1°F 73% 30.33 in 10.0 miles Calm Calm - N/A   Overcast
3:53 PM 41.0°F 33.8°F 76% 30.33 in 10.0 miles North 3.5 mph - N/A   Overcast
4:53 PM 39.9°F 32.0°F 73% 30.34 in 10.0 miles North 4.6 mph - N/A   Mostly Cloudy
5:53 PM 39.0°F 30.9°F 73% 30.36 in 10.0 miles Calm Calm - N/A   Clear
6:53 PM 37.9°F 32.0°F 79% 30.38 in 10.0 miles Variable 4.6 mph - N/A   Partly Cloudy
7:53 PM 39.2°F 32.0°F 75% 30.42 in 10.0 miles NE 6.9 mph - N/A   Clear
8:53 PM 37.9°F 32.0°F 79% 30.43 in 10.0 miles East 5.8 mph - N/A   Clear
9:53 PM 36.0°F 30.9°F 82% 30.44 in 10.0 miles Calm Calm - N/A   Scattered Clouds
10:53 PM 35.1°F 30.9°F 85% 30.46 in 10.0 miles Calm Calm - N/A   Scattered Clouds
11:53 PM 32.0°F 28.9°F 88% 30.46 in 10.0 miles Calm Calm - N/A   Scattered Clouds
Moon Phase
Dec. 31 Jan. 04 Jan. 11 Jan. 18 Jan. 26
Sunrise:07:57 AM (PST) Moon Rise:08:20 PM (PST)12/31
Sunset:04:28 PM (PST) Moon Set:09:26 AM (PST)12/31

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