Weather History for Seattle, WA

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Saturday, March 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F 46 °F  
Max Temperature 45 °F 53 °F 68 °F (1979)
Min Temperature 43 °F 39 °F 20 °F (1956)
Degree Days  
Heating Degree Days 21 19  
Month to date heating degree days 219 198  
Since 1 July heating degree days 3606 3452  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 41 °F    
Average Humidity 88    
Maximum Humidity 92    
Minimum Humidity 83    
Precipitation  
Precipitation 0.41 in 0.12 in 0.87 in (1971)
Month to date precipitation 0.92 1.25  
Year to date precipitation 11.38 10.32  
Snow  
Snow 0.00 in - 2.10 in (1954)
Month to date snowfall T  
Since 1 July snowfall 9.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 10, 2012 Rise Set
Actual Time 6:30 AM PST 6:08 PM PST
Civil Twilight 6:00 AM PST 6:39 PM PST
Nautical Twilight 5:24 AM PST 7:14 PM PST
Astronomical Twilight 4:48 AM PST 7:50 PM PST
Moon 9:46 PM PST (3/10) 7:13 AM PST (3/10)
Length of Visible Light 12h 38m
Length of Day
11h 37m
Waning Gibbous, 92% of the Moon is Illuminated
Mar 10
Waning Gibbous
Mar 14
Last Quarter
Mar 22
New
Mar 30
First Quarter
Apr 6
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:11 AM 44.6 °F 41.4 °F 42.8 °F 93% 29.97 in 1.8 mi WSW 5.8 mph - 0.00 in Rain Light Rain
12:33 AM 44.6 °F 40.7 °F 42.8 °F 93% 29.97 in 1.8 mi WSW 6.9 mph - 0.01 in Rain Light Rain
12:53 AM 44.1 °F 39.0 °F 43.0 °F 96% 29.99 in 1.8 mi West 9.2 mph - 0.02 in Rain Light Rain
1:06 AM 44.6 °F 39.2 °F 42.8 °F 93% 29.96 in 10.0 mi WSW 10.4 mph - 0.01 in Rain Light Rain
1:38 AM 44.6 °F 40.2 °F 42.8 °F 93% 29.96 in 10.0 mi SSW 8.1 mph - 0.02 in Rain Light Rain
1:53 AM 45.0 °F 38.5 °F 41.0 °F 86% 29.98 in 10.0 mi SSW 13.8 mph - 0.02 in Rain Light Rain
2:14 AM 44.6 °F 38.4 °F 41.0 °F 87% 29.94 in 10.0 mi South 12.7 mph - 0.01 in Rain Light Rain
2:53 AM 44.1 °F 38.6 °F 39.9 °F 85% 29.95 in 10.0 mi South 10.4 mph - 0.02 in Rain Light Rain
3:19 AM 44.6 °F 39.7 °F 39.2 °F 81% 29.92 in 9.0 mi South 9.2 mph - 0.01 in Rain Light Rain
3:53 AM 44.6 °F 40.2 °F 39.2 °F 81% 29.92 in 5.0 mi SSE 8.1 mph - N/A Rain Light Rain
4:53 AM 44.1 °F 40.1 °F 39.9 °F 85% 29.92 in 10.0 mi SE 6.9 mph - 0.02 in   Overcast
5:53 AM 44.1 °F 40.1 °F 39.9 °F 85% 29.90 in 10.0 mi SSE 6.9 mph - 0.00 in   Overcast
6:37 AM 44.6 °F 43.1 °F 39.2 °F 81% 29.87 in 10.0 mi South 3.5 mph - N/A   Overcast
6:53 AM 44.1 °F 42.5 °F 39.9 °F 85% 29.90 in 10.0 mi South 3.5 mph - N/A   Overcast
7:53 AM 45.0 °F 41.2 °F 39.9 °F 82% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Overcast
8:26 AM 44.6 °F 38.8 °F 41.0 °F 87% 29.89 in 5.0 mi SW 11.5 mph - 0.00 in Rain Light Rain
8:53 AM 44.1 °F 38.1 °F 41.0 °F 89% 29.92 in 6.0 mi SW 11.5 mph - 0.00 in   Overcast
9:23 AM 42.8 °F 37.5 °F 39.2 °F 87% 29.89 in 7.0 mi WSW 9.2 mph - 0.00 in   Overcast
9:53 AM 43.0 °F 38.8 °F 39.9 °F 89% 29.92 in 7.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
10:32 AM 42.8 °F 37.0 °F 41.0 °F 93% 29.89 in 10.0 mi SSW 10.4 mph - 0.00 in   Overcast
10:53 AM 44.1 °F 39.5 °F 41.0 °F 89% 29.91 in 10.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
11:45 AM 44.6 °F 39.7 °F 41.0 °F 87% 29.87 in 10.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
11:53 AM 44.1 °F 39.0 °F 41.0 °F 89% 29.89 in 10.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
12:23 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.86 in 10.0 mi WSW 6.9 mph - 0.00 in Rain Light Rain
12:53 PM 44.1 °F 39.5 °F 42.1 °F 93% 29.88 in 10.0 mi SSW 8.1 mph - 0.01 in Rain Light Rain
1:53 PM 45.0 °F 41.2 °F 41.0 °F 86% 29.85 in 9.0 mi SSW 6.9 mph - 0.03 in Rain Light Rain
2:53 PM 44.1 °F 40.1 °F 41.0 °F 89% 29.84 in 10.0 mi South 6.9 mph - 0.03 in Rain Light Rain
3:27 PM 44.6 °F 40.2 °F 41.0 °F 87% 29.80 in 10.0 mi SSE 8.1 mph - 0.02 in Rain Light Rain
3:53 PM 45.0 °F 40.1 °F 41.0 °F 86% 29.82 in 10.0 mi South 9.2 mph - 0.02 in Rain Light Rain
4:53 PM 45.0 °F 40.6 °F 41.0 °F 86% 29.78 in 10.0 mi SE 8.1 mph - 0.00 in   Overcast
5:47 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.74 in 10.0 mi SE 6.9 mph - N/A   Overcast
5:53 PM 45.0 °F 41.8 °F 41.0 °F 86% 29.77 in 10.0 mi SE 5.8 mph - N/A   Overcast
6:53 PM 45.0 °F 41.2 °F 42.1 °F 90% 29.75 in 10.0 mi SE 6.9 mph - 0.01 in Rain Light Rain
7:53 PM 44.1 °F 41.5 °F 42.1 °F 93% 29.74 in 9.0 mi South 4.6 mph - 0.03 in Rain Light Rain
8:53 PM 45.0 °F 41.8 °F 42.1 °F 90% 29.73 in 10.0 mi SE 5.8 mph - 0.03 in Rain Light Rain
9:53 PM 45.0 °F 41.2 °F 42.1 °F 90% 29.70 in 8.0 mi SE 6.9 mph - 0.02 in Rain Light Rain
10:53 PM 45.0 °F 41.2 °F 42.1 °F 90% 29.68 in 10.0 mi South 6.9 mph - 0.05 in Rain Light Rain
11:22 PM 44.6 °F 40.2 °F 41.0 °F 87% 29.64 in 8.0 mi South 8.1 mph - 0.03 in Rain Light Rain
11:53 PM 44.1 °F 40.1 °F 42.1 °F 93% 29.66 in 7.0 mi SW 6.9 mph - 0.05 in Rain Light Rain