Seattle, WA

2:09 AM PST on December 16, 2017 (GMT -0800)
Seattle-Tacoma International

Weather History for KSEA - October, 2012

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Tuesday, October 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F 55 °F  
Max Temperature 61 °F 62 °F 79 °F (1996)
Min Temperature 48 °F 47 °F 35 °F (1960)
Degree Days  
Heating Degree Days 10 10  
Month to date heating degree days 59 82  
Since 1 July heating degree days 212 299  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.09 in 1.27 in (1953)
Month to date precipitation 0.00 0.70  
Year to date precipitation 26.42 22.79  
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 30.10 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 9 mph    
Max Gust Speed 10 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Oct. 09, 2012 Rise Set
Actual Time 7:20 AM PDT 6:31 PM PDT
Civil Twilight 6:49 AM PDT 7:02 PM PDT
Nautical Twilight 6:13 AM PDT 7:37 PM PDT
Astronomical Twilight 5:38 AM PDT 8:13 PM PDT
Moon 12:38 AM PDT (10/9) 3:23 PM PDT (10/9)
Length of Visible Light 12h 12m
Length of Day
11h 11m
Waning Crescent, 35% of the Moon is Illuminated
Oct 9
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
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 50.0 °F 46.4 °F 87% 30.06 in 10.0 mi South 4.6 mph - N/A   Clear
1:25 AM 48.2 °F 46.4 °F 93% 30.07 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
1:53 AM 48.9 °F 46.0 °F 90% 30.09 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
2:53 AM 51.1 °F 46.9 °F 86% 30.10 in 10.0 mi South 5.8 mph - N/A   Overcast
3:53 AM 50.0 °F 46.9 °F 89% 30.11 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:53 AM 50.0 °F 46.0 °F 86% 30.11 in 8.0 mi SSE 8.1 mph - N/A   Overcast
5:53 AM 50.0 °F 45.0 °F 83% 30.12 in 8.0 mi SE 5.8 mph - N/A   Overcast
6:53 AM 50.0 °F 46.0 °F 86% 30.13 in 9.0 mi SSW 8.1 mph - N/A   Overcast
7:53 AM 50.0 °F 46.0 °F 86% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:53 AM 50.0 °F 45.0 °F 83% 30.15 in 10.0 mi South 5.8 mph - N/A   Overcast
9:53 AM 51.1 °F 45.0 °F 80% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 51.1 °F 45.0 °F 80% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
11:46 AM 51.8 °F 44.6 °F 76% 30.13 in 10.0 mi SSW 3.5 mph - N/A   Overcast
11:53 AM 52.0 °F 45.0 °F 77% 30.16 in 10.0 mi SW 4.6 mph - N/A   Overcast
12:53 PM 53.1 °F 45.0 °F 74% 30.14 in 10.0 mi West 5.8 mph - N/A   Overcast
1:53 PM 54.0 °F 45.0 °F 72% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:14 PM 55.4 °F 44.6 °F 67% 30.10 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
2:53 PM 59.0 °F 45.0 °F 60% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 60.1 °F 46.0 °F 60% 30.10 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:53 PM 59.0 °F 46.0 °F 62% 30.09 in 10.0 mi West 5.8 mph - N/A   Clear
5:53 PM 57.0 °F 46.9 °F 69% 30.08 in 10.0 mi West 3.5 mph - N/A   Clear
6:53 PM 55.0 °F 46.0 °F 72% 30.07 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 53.1 °F 46.0 °F 77% 30.07 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 51.1 °F 46.0 °F 83% 30.06 in 10.0 mi North 3.5 mph - N/A   Clear
9:53 PM 51.1 °F 46.0 °F 83% 30.06 in 8.0 mi North 3.5 mph - N/A   Clear
10:53 PM 51.1 °F 45.0 °F 80% 30.06 in 7.0 mi Calm Calm - N/A   Clear
11:53 PM 48.0 °F 45.0 °F 89% 30.06 in 6.0 mi NW 3.5 mph - N/A   Clear