Weather History for Seattle, WA

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Wednesday, April 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 12 °C 9 °C  
Max Temperature 17 °C 13 °C 21 °C (2004)
Min Temperature 8 °C 5 °C 0 °C (1948)
Degree Days  
Heating Degree Days 11 16  
Month to date heating degree days 33 49  
Since 1 July heating degree days 3697 3877  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 7 °C    
Average Humidity 67    
Maximum Humidity 86    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 mm 2.79 mm 3.71 mm (1991)
Month to date precipitation 0.00 0.33  
Year to date precipitation 8.48 13.12  
Snow  
Snow 0.00 cm - T cm (2009)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 cm    
Sea Level Pressure  
Sea Level Pressure 1021 hPa    
Wind  
Wind Speed 6 km/h (NW)    
Max Wind Speed 14 km/h    
Max Gust Speed 32 km/h    
Visibility 16 kilometers    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 03, 2013 Rise Set
Actual Time 6:43 AM PDT 7:42 PM PDT
Civil Twilight 6:12 AM PDT 8:13 PM PDT
Nautical Twilight 5:34 AM PDT 8:51 PM PDT
Astronomical Twilight 4:55 AM PDT 9:30 PM PDT
Moon 2:54 AM PDT (4/3) 12:35 PM PDT (4/3)
Length of Visible Light 14h 01m
Length of Day
12h 58m
Last Quarter, 43% of the Moon is Illuminated
Apr 3
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 8.9 °C 6.7 °C 86% 1023.0 hPa 16.1 km South 5.6 km/h / 1.5 m/s - N/A   Mostly Cloudy
1:13 AM 9.0 °C 7.0 °C 87% 1022.2 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
1:53 AM 8.9 °C 6.7 °C 86% 1023.4 hPa 16.1 km WNW 5.6 km/h / 1.5 m/s - N/A   Overcast
2:53 AM 8.9 °C 6.1 °C 83% 1022.9 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
3:16 AM 9.0 °C 7.0 °C 87% 1022.2 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
3:53 AM 8.9 °C 6.1 °C 83% 1023.0 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
4:53 AM 8.3 °C 6.1 °C 86% 1022.7 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
5:53 AM 7.8 °C 6.1 °C 89% 1022.8 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
6:23 AM 8.0 °C 6.0 °C 87% 1021.9 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
6:53 AM 8.9 °C 6.1 °C 83% 1022.5 hPa 16.1 km NE 5.6 km/h / 1.5 m/s - N/A   Mostly Cloudy
7:53 AM 10.0 °C 6.7 °C 80% 1022.4 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
8:39 AM 10.0 °C 7.0 °C 82% 1021.6 hPa 16.1 km NE 5.6 km/h / 1.5 m/s - N/A   Scattered Clouds
8:53 AM 11.1 °C 6.7 °C 74% 1022.1 hPa 16.1 km Calm Calm - N/A   Scattered Clouds
9:53 AM 12.2 °C 7.2 °C 72% 1021.5 hPa 16.1 km Calm Calm - N/A   Scattered Clouds
10:53 AM 13.3 °C 7.8 °C 69% 1021.3 hPa 16.1 km North 5.6 km/h / 1.5 m/s - N/A   Mostly Cloudy
11:53 AM 13.9 °C 7.8 °C 67% 1021.5 hPa 16.1 km WNW 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
12:53 PM 15.0 °C 7.8 °C 62% 1021.2 hPa 16.1 km West 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
1:53 PM 15.0 °C 7.2 °C 60% 1021.1 hPa 16.1 km WSW 7.4 km/h / 2.1 m/s - N/A   Mostly Cloudy
2:53 PM 15.6 °C 6.1 °C 53% 1020.5 hPa 16.1 km West 9.3 km/h / 2.6 m/s - N/A   Overcast
3:53 PM 16.7 °C 5.6 °C 48% 1019.6 hPa 16.1 km WSW 7.4 km/h / 2.1 m/s - N/A   Overcast
4:53 PM 16.1 °C 5.0 °C 48% 1019.2 hPa 16.1 km SW 5.6 km/h / 1.5 m/s - N/A   Overcast
5:53 PM 16.1 °C 5.6 °C 50% 1018.4 hPa 16.1 km Calm Calm - N/A   Overcast
6:53 PM 15.6 °C 5.6 °C 51% 1017.5 hPa 16.1 km WNW 5.6 km/h / 1.5 m/s - N/A   Overcast
7:53 PM 13.9 °C 5.6 °C 57% 1016.9 hPa 16.1 km North 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
8:53 PM 13.3 °C 5.6 °C 60% 1016.4 hPa 16.1 km North 13.0 km/h / 3.6 m/s - N/A   Mostly Cloudy
9:53 PM 12.2 °C 6.1 °C 66% 1016.2 hPa 16.1 km North 13.0 km/h / 3.6 m/s - N/A   Mostly Cloudy
10:53 PM 11.7 °C 6.1 °C 69% 1015.7 hPa 16.1 km NNW 9.3 km/h / 2.6 m/s - N/A   Mostly Cloudy
11:53 PM 11.7 °C 6.7 °C 71% 1014.9 hPa 16.1 km NNW 9.3 km/h / 2.6 m/s - N/A   Overcast