Weather History for Seattle, WA

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F 41 °F  
Max Temperature 44 °F 46 °F 60 °F (1993)
Min Temperature 37 °F 36 °F 18 °F (2009)
Degree Days  
Heating Degree Days 24 24  
Month to date heating degree days 179 212  
Since 1 July heating degree days 1206 1395  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Moisture  
Dew Point 38 °F    
Average Humidity 88    
Maximum Humidity 96    
Minimum Humidity 79    
Precipitation  
Precipitation 0.06 in 0.17 in 1.78 in (1956)
Month to date precipitation 2.22 1.70  
Year to date precipitation 43.63 33.84  
Snow  
Snow 0.00 in - T in (1978)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.34 in    
Wind  
Wind Speed 5 mph (ESE)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 5 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:45 AM PST 4:18 PM PST
Civil Twilight 7:09 AM PST 4:53 PM PST
Nautical Twilight 6:30 AM PST 5:32 PM PST
Astronomical Twilight 5:53 AM PST 6:10 PM PST
Moon 3:11 AM PST (12/9) 1:39 PM PST (12/9)
Length of Visible Light 9h 44m
Length of Day
8h 32m
Waning Crescent, 17% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 37.9 °F 34.4 °F 34.0 °F 86% 30.38 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
1:53 AM 37.9 °F 34.4 °F 34.0 °F 86% 30.38 in 10.0 mi SE 4.6 mph - N/A   Overcast
2:05 AM 37.4 °F 32.8 °F 33.8 °F 87% 30.35 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:53 AM 37.9 °F 33.5 °F 34.0 °F 86% 30.40 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
3:12 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.35 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:53 AM 37.9 °F 34.4 °F 35.1 °F 89% 30.40 in 10.0 mi SE 4.6 mph - N/A   Overcast
4:29 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.36 in 10.0 mi SSE 3.5 mph - N/A   Overcast
4:53 AM 39.0 °F 35.7 °F 35.1 °F 86% 30.40 in 10.0 mi SSE 4.6 mph - N/A   Overcast
5:14 AM 39.2 °F 33.6 °F 35.6 °F 87% 30.36 in 10.0 mi SE 8.1 mph - N/A   Overcast
5:32 AM 39.2 °F 34.2 °F 35.6 °F 87% 30.36 in 10.0 mi SE 6.9 mph - N/A   Overcast
5:53 AM 39.0 °F 34.8 °F 34.0 °F 82% 30.39 in 10.0 mi SE 5.8 mph - N/A   Overcast
6:53 AM 39.0 °F 35.7 °F 34.0 °F 82% 30.38 in 10.0 mi SE 4.6 mph - N/A   Overcast
7:53 AM 39.0 °F 33.4 °F 33.1 °F 79% 30.38 in 10.0 mi ESE 8.1 mph - 0.00 in Rain Light Rain
8:53 AM 39.0 °F 35.7 °F 33.1 °F 79% 30.37 in 10.0 mi SE 4.6 mph - 0.01 in   Overcast
9:07 AM 39.2 °F 37.0 °F 33.8 °F 81% 30.35 in 10.0 mi SSE 3.5 mph - N/A   Overcast
9:53 AM 39.9 °F 36.7 °F 34.0 °F 79% 30.39 in 10.0 mi SSE 4.6 mph - N/A   Overcast
10:53 AM 39.9 °F 34.5 °F 34.0 °F 79% 30.37 in 10.0 mi SE 8.1 mph - 0.00 in   Overcast
11:53 AM 41.0 °F 36.4 °F 36.0 °F 82% 30.33 in 10.0 mi SSE 6.9 mph - N/A   Overcast
12:53 PM 41.0 °F 38.0 °F 37.0 °F 86% 30.32 in 5.0 mi South 4.6 mph - 0.01 in Rain Light Rain
1:21 PM 39.2 °F 37.0 °F 37.4 °F 93% 30.30 in 2.0 mi South 3.5 mph - 0.00 in   Overcast
1:53 PM 41.0 °F 37.1 °F 37.9 °F 89% 30.32 in 2.0 mi SE 5.8 mph - 0.00 in   Overcast
2:35 PM 41.0 °F 36.4 °F 37.4 °F 87% 30.28 in 0.8 mi ESE 6.9 mph - N/A   Overcast
2:53 PM 41.0 °F 37.1 °F 39.0 °F 93% 30.30 in 0.8 mi ESE 5.8 mph - N/A   Overcast
3:51 PM 41.0 °F 38.0 °F 39.2 °F 93% 30.29 in 0.8 mi ESE 4.6 mph - N/A   Overcast
3:53 PM 41.0 °F 39.0 °F 39.0 °F 93% 30.32 in 0.8 mi ESE 3.5 mph - N/A   Overcast
4:24 PM 42.8 °F 39.3 °F 39.2 °F 87% 30.29 in 2.0 mi ESE 5.8 mph - N/A   Overcast
4:31 PM 42.8 °F 39.3 °F 39.2 °F 87% 30.29 in 1.0 mi ESE 5.8 mph - N/A   Overcast
4:45 PM 42.8 °F 41.1 °F 39.2 °F 87% 30.30 in 1.0 mi East 3.5 mph - N/A   Overcast
4:53 PM 42.1 °F 37.7 °F 39.0 °F 89% 30.32 in 1.0 mi East 6.9 mph - N/A   Overcast
5:32 PM 42.8 °F 41.1 °F 39.2 °F 87% 30.30 in 3.0 mi ENE 3.5 mph - N/A   Overcast
5:48 PM 42.8 °F - 39.2 °F 87% 30.30 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
5:53 PM 43.0 °F - 39.9 °F 89% 30.34 in 1.8 mi Calm Calm - 0.01 in Rain Light Rain
6:24 PM 42.8 °F - 39.2 °F 87% 30.30 in 1.8 mi Calm Calm - 0.01 in   Overcast
6:30 PM 42.8 °F - 39.2 °F 87% 30.30 in 2.0 mi Calm Calm - 0.01 in   Overcast
6:40 PM 42.8 °F 41.1 °F 41.0 °F 93% 30.30 in 2.0 mi SE 3.5 mph - 0.02 in   Overcast
6:53 PM 43.0 °F 40.3 °F 41.0 °F 93% 30.32 in 2.0 mi East 4.6 mph - 0.02 in   Overcast
7:04 PM 42.8 °F 40.1 °F 41.0 °F 93% 30.30 in 2.0 mi East 4.6 mph - N/A   Overcast
7:16 PM 42.8 °F 40.1 °F 41.0 °F 93% 30.31 in 1.0 mi ENE 4.6 mph - N/A   Overcast
7:32 PM 42.8 °F 41.1 °F 41.0 °F 93% 30.30 in 1.0 mi SE 3.5 mph - 0.00 in Rain Light Rain
7:40 PM 42.8 °F 41.1 °F 41.0 °F 93% 30.30 in 1.0 mi ESE 3.5 mph - 0.00 in   Overcast
7:53 PM 43.0 °F 41.3 °F 41.0 °F 93% 30.33 in 1.0 mi ESE 3.5 mph - 0.01 in   Overcast
8:49 PM 42.8 °F - 41.0 °F 93% 30.31 in 0.8 mi Calm Calm - N/A   Overcast
8:53 PM 43.0 °F - 41.0 °F 93% 30.35 in 0.8 mi Calm Calm - N/A   Overcast
9:36 PM 42.8 °F 38.0 °F 41.0 °F 93% 30.33 in 0.5 mi NNE 8.1 mph - N/A Fog Fog
9:53 PM 43.0 °F 40.3 °F 41.0 °F 93% 30.36 in 0.5 mi North 4.6 mph - N/A Fog Fog
10:21 PM 42.8 °F 40.1 °F 41.0 °F 93% 30.34 in 1.0 mi NE 4.6 mph - N/A   Mist
10:38 PM 42.8 °F - 41.0 °F 93% 30.34 in 2.0 mi Calm Calm - N/A   Overcast
10:53 PM 43.0 °F - 41.0 °F 93% 30.38 in 2.5 mi Calm Calm - N/A   Overcast
11:00 PM 42.8 °F - 41.0 °F 93% 30.35 in 3.0 mi Calm Calm - N/A   Overcast
11:39 PM 44.6 °F - 41.0 °F 87% 30.34 in 0.5 mi Calm Calm - N/A   Overcast
11:53 PM 44.1 °F 41.5 °F 41.0 °F 89% 30.38 in 0.5 mi NNE 4.6 mph - N/A   Overcast