Weather History for Seattle, WA

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Friday, March 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 46 °F  
Max Temperature 58 °F 54 °F 65 °F (2010)
Min Temperature 48 °F 39 °F 30 °F (1955)
Degree Days  
Heating Degree Days 12 19  
Month to date heating degree days 257 293  
Since 1 July heating degree days 3398 3547  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 67    
Precipitation  
Precipitation T in 0.12 in 1.20 in (1974)
Month to date precipitation 1.31 1.87  
Year to date precipitation 7.05 10.94  
Snow  
Snow 0.00 in - T in (1971)
Month to date snowfall 0.0  
Since 1 July snowfall 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 15, 2013 Rise Set
Actual Time 7:21 AM PDT 7:15 PM PDT
Civil Twilight 6:50 AM PDT 7:45 PM PDT
Nautical Twilight 6:15 AM PDT 8:21 PM PDT
Astronomical Twilight 5:38 AM PDT 8:58 PM PDT
Moon 8:56 AM PDT (3/15) 11:54 PM PDT (3/15)
Length of Visible Light 12h 54m
Length of Day
11h 53m
Waxing Crescent, 16% of the Moon is Illuminated
Mar 15
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter
Apr 10
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:21 AM 48.2 °F 46.4 °F 93% 30.17 in 4.0 mi South 8.1 mph - 0.01 in   Light Drizzle
12:53 AM 48.9 °F 46.9 °F 93% 30.19 in 5.0 mi South 9.2 mph - 0.01 in   Light Drizzle
1:15 AM 48.2 °F 46.4 °F 93% 30.17 in 6.0 mi SSW 6.9 mph - 0.00 in   Mostly Cloudy
1:25 AM 48.2 °F 46.4 °F 93% 30.17 in 6.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
1:38 AM 48.2 °F 46.4 °F 93% 30.17 in 6.0 mi South 5.8 mph - 0.00 in   Light Drizzle
2:13 AM 48.2 °F 46.4 °F 93% 30.17 in 7.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
2:40 AM 48.2 °F 46.4 °F 93% 30.18 in 6.0 mi South 6.9 mph - 0.00 in   Light Drizzle
2:53 AM 48.9 °F 46.9 °F 93% 30.20 in 7.0 mi South 6.9 mph - 0.00 in   Overcast
3:16 AM 50.0 °F 46.4 °F 87% 30.18 in 7.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
3:53 AM 50.0 °F 46.9 °F 89% 30.20 in 10.0 mi SW 11.5 mph - 0.00 in   Mostly Cloudy
4:33 AM 48.2 °F 46.4 °F 93% 30.16 in 10.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
4:53 AM 48.9 °F 46.0 °F 90% 30.19 in 10.0 mi SSW 12.7 mph - 0.00 in   Mostly Cloudy
5:27 AM 48.2 °F 46.4 °F 93% 30.17 in 1.5 mi SSW 13.8 mph - N/A   Overcast
5:53 AM 48.9 °F 46.9 °F 93% 30.20 in 1.5 mi SSW 11.5 mph - N/A   Overcast
6:53 AM 48.9 °F 46.9 °F 93% 30.21 in 1.5 mi SSW 8.1 mph - N/A   Overcast
6:56 AM 48.2 °F 46.4 °F 93% 30.18 in 2.0 mi SSW 10.4 mph - N/A   Overcast
7:53 AM 48.9 °F 46.9 °F 93% 30.21 in 1.0 mi SW 9.2 mph - N/A   Overcast
8:23 AM 50.0 °F 46.4 °F 87% 30.20 in 7.0 mi SW 9.2 mph - N/A   Overcast
8:46 AM 50.0 °F 48.2 °F 94% 30.20 in 7.0 mi SSW 9.2 mph - N/A   Overcast
8:53 AM 50.0 °F 48.0 °F 93% 30.22 in 10.0 mi SSW 8.1 mph - N/A   Overcast
9:53 AM 51.1 °F 48.9 °F 92% 30.25 in 10.0 mi SSW 8.1 mph - N/A   Overcast
10:48 AM 51.8 °F 48.2 °F 88% 30.22 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
10:53 AM 52.0 °F 48.0 °F 86% 30.24 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:38 AM 55.4 °F 48.2 °F 77% 30.21 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:53 AM 55.0 °F 48.9 °F 80% 30.23 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
12:50 PM 55.4 °F 48.2 °F 77% 30.22 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
12:53 PM 55.0 °F 48.0 °F 77% 30.24 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
1:13 PM 55.4 °F 48.2 °F 77% 30.22 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
1:53 PM 57.0 °F 46.9 °F 69% 30.23 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
2:53 PM 57.9 °F 48.0 °F 70% 30.21 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:53 PM 57.0 °F 46.9 °F 69% 30.20 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
4:53 PM 57.0 °F 46.9 °F 69% 30.19 in 10.0 mi SW 8.1 mph - N/A   Overcast
5:53 PM 55.0 °F 46.9 °F 74% 30.19 in 10.0 mi SW 10.4 mph - N/A   Overcast
6:32 PM 53.6 °F 46.4 °F 77% 30.17 in 10.0 mi WSW 9.2 mph - N/A   Overcast
6:53 PM 53.1 °F 46.0 °F 77% 30.19 in 10.0 mi WSW 11.5 mph 20.7 mph 0.00 in   Mostly Cloudy
7:23 PM 51.8 °F 46.4 °F 82% 30.16 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
7:53 PM 52.0 °F 46.0 °F 80% 30.18 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:53 PM 51.1 °F 45.0 °F 80% 30.19 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
9:53 PM 50.0 °F 44.1 °F 80% 30.19 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
10:53 PM 48.9 °F 45.0 °F 86% 30.18 in 10.0 mi SSW 12.7 mph - 0.00 in   Light Drizzle
11:53 PM 48.0 °F 44.1 °F 86% 30.17 in 10.0 mi SW 6.9 mph - 0.00 in   Mostly Cloudy