Weather History for Seattle, WA

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Thursday, January 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 41 °F  
Max Temperature 44 °F 46 °F 58 °F (1984)
Min Temperature 29 °F 36 °F 6 °F (1950)
Degree Days  
Heating Degree Days 28 24  
Month to date heating degree days 87 72  
Since 1 July heating degree days 1838 2010  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 24 °F    
Average Humidity 65    
Maximum Humidity 89    
Minimum Humidity 40    
Precipitation  
Precipitation 0.16 in 0.19 in 1.01 in (1978)
Month to date precipitation 0.16 0.55  
Year to date precipitation 0.16 0.55  
Snow  
Snow 0.00 in - 2.60 in (1952)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 16 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 03, 2013 Rise Set
Actual Time 7:56 AM PST 4:31 PM PST
Civil Twilight 7:21 AM PST 5:07 PM PST
Nautical Twilight 6:42 AM PST 5:45 PM PST
Astronomical Twilight 6:05 AM PST 6:23 PM PST
Moon 11:43 PM PST (1/3) 10:43 AM PST (1/3)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Waning Gibbous, 64% of the Moon is Illuminated
Jan 3
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 34.0 °F 28.0 °F 16.0 °F 48% 30.20 in 10.0 mi ESE 6.9 mph - N/A   Clear
1:53 AM 33.1 °F 28.7 °F 16.0 °F 50% 30.22 in 10.0 mi SSE 4.6 mph - N/A   Clear
2:53 AM 32.0 °F 26.4 °F 17.1 °F 54% 30.21 in 10.0 mi ESE 5.8 mph - N/A   Clear
3:53 AM 30.9 °F 24.3 °F 16.0 °F 54% 30.20 in 10.0 mi SE 6.9 mph - N/A   Clear
4:53 AM 34.0 °F 27.2 °F 16.0 °F 48% 30.17 in 10.0 mi ESE 8.1 mph - N/A   Clear
5:53 AM 34.0 °F 26.0 °F 16.0 °F 48% 30.16 in 10.0 mi ESE 10.4 mph - N/A   Clear
6:53 AM 32.0 °F 26.4 °F 17.1 °F 54% 30.16 in 10.0 mi South 5.8 mph - N/A   Clear
7:53 AM 33.1 °F 26.1 °F 16.0 °F 50% 30.15 in 10.0 mi ESE 8.1 mph - N/A   Clear
8:53 AM 35.1 °F 26.9 °F 17.1 °F 48% 30.15 in 10.0 mi ESE 11.5 mph - N/A   Clear
9:53 AM 37.9 °F 30.9 °F 16.0 °F 41% 30.17 in 10.0 mi SE 10.4 mph - N/A   Partly Cloudy
10:53 AM 39.0 °F 33.4 °F 28.9 °F 67% 30.17 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
11:53 AM 39.0 °F 35.7 °F 28.0 °F 65% 30.16 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
12:53 PM 41.0 °F 39.0 °F 28.0 °F 60% 30.14 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
1:53 PM 44.1 °F 42.5 °F 25.0 °F 47% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
2:53 PM 39.9 °F 33.4 °F 27.0 °F 60% 30.15 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
3:53 PM 39.0 °F 36.8 °F 30.0 °F 70% 30.15 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:53 PM 39.0 °F 34.0 °F 24.1 °F 55% 30.16 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 PM 39.9 °F 32.5 °F 21.9 °F 49% 30.13 in 10.0 mi ESE 12.7 mph - 0.00 in Rain Light Rain
6:53 PM 37.0 °F 33.3 °F 26.1 °F 65% 30.15 in 8.0 mi ESE 4.6 mph - 0.06 in Rain Light Rain
7:53 PM 36.0 °F 27.5 °F 30.0 °F 79% 30.16 in 10.0 mi East 12.7 mph - 0.01 in Rain Light Rain
8:53 PM 36.0 °F - 30.0 °F 79% 30.16 in 9.0 mi Calm Calm - 0.01 in Rain Light Rain
9:53 PM 36.0 °F 33.3 °F 32.0 °F 86% 30.16 in 9.0 mi NNE 3.5 mph - 0.01 in Rain Light Rain
10:21 PM 37.4 °F 34.9 °F 33.8 °F 87% 30.15 in 6.0 mi NNE 3.5 mph - 0.01 in Rain Light Rain
10:53 PM 37.0 °F 33.3 °F 33.1 °F 86% 30.18 in 6.0 mi ENE 4.6 mph - 0.02 in Rain Light Rain
11:53 PM 36.0 °F 32.1 °F 33.1 °F 89% 30.19 in 3.0 mi SE 4.6 mph - 0.04 in Rain Light Rain