Seattle, WA

1:13 AM PDT on June 25, 2017 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - March, 2011

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Saturday, March 12, 2011

  Actual Average Record
Temperature  
Mean Temperature 45 °F 46 °F  
Max Temperature 48 °F 53 °F 68 °F (1998)
Min Temperature 42 °F 39 °F 25 °F (1956)
Degree Days  
Heating Degree Days 20 19  
Month to date heating degree days 259 236  
Since 1 July heating degree days 3616 3490  
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 79    
Maximum Humidity 100    
Minimum Humidity 58    
Precipitation  
Precipitation 0.41 in 0.13 in 0.99 in (2003)
Month to date precipitation 3.26 1.50  
Year to date precipitation 11.30 10.57  
Snow  
Snow 0.00 in - 0.30 in (1955)
Month to date snowfall 0.0  
Since 1 July snowfall 7.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 14 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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Date:

Astronomy

Mar. 12, 2011 Rise Set
Actual Time 6:28 AM PST 6:10 PM PST
Civil Twilight 5:57 AM PST 6:40 PM PST
Nautical Twilight 5:22 AM PST 7:16 PM PST
Astronomical Twilight 4:46 AM PST 7:52 PM PST
Moon 10:06 AM PST (3/12) 1:37 AM PST (3/12)
Length of Visible Light 12h 42m
Length of Day
11h 41m
Waxing Crescent, 48% of the Moon is Illuminated
Mar 12
Waxing Crescent
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last Quarter
Apr 3
New

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 46.9 °F - 35.1 °F 63% 30.00 in 10.0 mi WNW 3.5 mph - 0.00 in   Overcast
1:53 AM 46.0 °F 43.9 °F 37.0 °F 71% 29.99 in 10.0 mi NE 4.6 mph - N/A   Overcast
2:53 AM 45.0 °F 43.5 °F 37.9 °F 76% 29.96 in 10.0 mi NNW 3.5 mph - N/A   Overcast
3:53 AM 44.1 °F 39.0 °F 39.9 °F 85% 29.92 in 10.0 mi NE 9.2 mph - 0.00 in   Overcast
4:53 AM 43.0 °F 40.3 °F 39.9 °F 89% 29.90 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:53 AM 42.8 °F 39.3 °F 39.2 °F 87% 29.88 in 10.0 mi NNW 5.8 mph - N/A   Overcast
6:53 AM 43.0 °F 40.3 °F 39.9 °F 89% 29.91 in 10.0 mi NW 4.6 mph - 0.00 in Rain Light Rain
7:53 AM 43.0 °F - 39.9 °F 89% 29.93 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain
8:53 AM 44.1 °F 40.8 °F 39.9 °F 85% 29.93 in 10.0 mi SE 5.8 mph - 0.03 in Rain Light Rain
9:53 AM 44.1 °F - 41.0 °F 89% 29.93 in 4.0 mi Calm Calm - 0.05 in Rain Light Rain
10:53 AM 44.1 °F - 44.1 °F 100% 29.95 in 5.0 mi Calm Calm - 0.11 in Rain Light Rain
11:53 AM 44.1 °F 42.5 °F 44.1 °F 100% 29.96 in 6.0 mi SW 3.5 mph - 0.05 in Rain Light Rain
12:53 PM 44.1 °F 42.5 °F 44.1 °F 100% 29.97 in 7.0 mi SSW 3.5 mph - 0.06 in Rain Light Rain
1:53 PM 45.0 °F 40.6 °F 42.1 °F 90% 29.98 in 10.0 mi SSW 8.1 mph - 0.03 in Rain Light Rain
2:53 PM 46.0 °F 41.0 °F 43.0 °F 89% 29.99 in 10.0 mi South 10.4 mph - 0.00 in   Mostly Cloudy
3:53 PM 48.0 °F - 43.0 °F 83% 30.00 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
4:53 PM 48.0 °F - 41.0 °F 77% 30.01 in 10.0 mi South 10.4 mph - N/A   Overcast
5:22 PM 48.2 °F - 41.0 °F 76% 29.99 in 10.0 mi South 8.1 mph - N/A   Overcast
5:53 PM 46.9 °F - 41.0 °F 80% 30.03 in 7.0 mi SW 12.7 mph - 0.00 in Rain Light Rain
6:53 PM 44.1 °F 42.5 °F 42.1 °F 93% 30.05 in 4.0 mi WSW 3.5 mph - 0.06 in Rain Rain
7:21 PM 44.6 °F 41.4 °F 41.0 °F 87% 30.02 in 10.0 mi SSE 5.8 mph - 0.01 in Rain Light Rain
7:53 PM 44.1 °F 40.8 °F 41.0 °F 89% 30.05 in 10.0 mi SSE 5.8 mph - 0.01 in   Mostly Cloudy
8:53 PM 45.0 °F 41.8 °F 41.0 °F 86% 30.05 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
9:53 PM 45.0 °F 41.2 °F 41.0 °F 86% 30.04 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
10:53 PM 44.1 °F 39.5 °F 39.9 °F 85% 30.03 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
11:53 PM 43.0 °F 37.7 °F 37.9 °F 82% 30.01 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy