Weather History for KSEA - October, 2011

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Friday, October 14, 2011

  Actual Average Record
Temperature  
Mean Temperature 52 °F 53 °F  
Max Temperature 58 °F 60 °F 80 °F (1961)
Min Temperature 45 °F 46 °F 36 °F (1949)
Degree Days  
Heating Degree Days 13 12  
Month to date heating degree days 146 139  
Since 1 July heating degree days 297 356  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 148 189  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 67    
Precipitation  
Precipitation 0.01 in 0.11 in 0.77 in (1990)
Month to date precipitation 2.07 1.18  
Year to date precipitation 27.62 23.27  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 8 mph (North)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 14, 2011 Rise Set
Actual Time 7:26 AM PDT 6:23 PM PDT
Civil Twilight 6:55 AM PDT 6:54 PM PDT
Nautical Twilight 6:19 AM PDT 7:29 PM PDT
Astronomical Twilight 5:44 AM PDT 8:05 PM PDT
Moon 7:25 PM PDT (10/14) 10:14 AM PDT (10/14)
Length of Visible Light 11h 59m
Length of Day
10h 57m
Waning Gibbous, 94% of the Moon is Illuminated
Oct 14
Waning Gibbous
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 50.0 °F 44.1 °F 80% 30.05 in 10.0 mi NNE 13.8 mph - N/A   Overcast
1:53 AM 50.0 °F 45.0 °F 83% 30.05 in 10.0 mi NNE 13.8 mph - N/A   Overcast
2:53 AM 50.0 °F 45.0 °F 83% 30.04 in 10.0 mi NNE 12.7 mph - N/A   Overcast
3:53 AM 48.9 °F 45.0 °F 86% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
4:02 AM 48.2 °F 44.6 °F 87% 30.01 in 10.0 mi North 4.6 mph - N/A   Overcast
4:11 AM 48.2 °F 44.6 °F 87% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast
4:53 AM 48.9 °F 46.0 °F 90% 30.03 in 10.0 mi North 8.1 mph - N/A   Overcast
5:34 AM 48.2 °F 44.6 °F 87% 30.00 in 10.0 mi NE 9.2 mph - N/A   Overcast
5:53 AM 48.9 °F 45.0 °F 86% 30.03 in 10.0 mi NNE 11.5 mph - N/A   Overcast
6:53 AM 48.9 °F 45.0 °F 86% 30.03 in 10.0 mi NNE 10.4 mph - N/A   Overcast
7:53 AM 48.9 °F 46.0 °F 90% 30.04 in 7.0 mi NNE 9.2 mph - 0.00 in   Overcast
8:53 AM 48.9 °F 46.9 °F 93% 30.04 in 6.0 mi North 10.4 mph - 0.01 in Rain Light Rain
9:53 AM 50.0 °F 46.9 °F 89% 30.04 in 7.0 mi North 9.2 mph - 0.00 in   Overcast
10:53 AM 51.1 °F 46.0 °F 83% 30.04 in 10.0 mi North 10.4 mph - N/A   Overcast
11:53 AM 53.6 °F 46.4 °F 77% 30.01 in 10.0 mi North 9.2 mph - N/A   Overcast
12:53 PM 55.9 °F 46.0 °F 69% 30.03 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
1:53 PM 55.9 °F 46.0 °F 69% 30.01 in 10.0 mi North 10.4 mph - N/A   Overcast
2:53 PM 57.0 °F 46.0 °F 67% 30.00 in 10.0 mi North 8.1 mph - N/A   Overcast
3:53 PM 55.9 °F 46.0 °F 69% 30.01 in 10.0 mi North 8.1 mph - N/A   Overcast
4:53 PM 55.0 °F 46.9 °F 74% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:53 PM 53.1 °F 46.0 °F 77% 30.01 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
6:53 PM 51.1 °F 45.0 °F 80% 30.00 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F 44.1 °F 80% 30.01 in 10.0 mi NNW 6.9 mph - N/A   Overcast
8:53 PM 48.9 °F 45.0 °F 86% 30.01 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:53 PM 48.2 °F 44.6 °F 87% 30.00 in 10.0 mi North 5.8 mph - N/A   Overcast
10:53 PM 48.0 °F 45.0 °F 89% 30.03 in 10.0 mi North 5.8 mph - N/A   Overcast
11:53 PM 46.9 °F 43.0 °F 86% 30.04 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy