Seattle, WA

7:54 AM PDT on June 23, 2018 (GMT -0700)
Seattle-Tacoma International

Weather History for KSEA - October, 2008

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Monday, October 20, 2008

  Actual Average Record
Temperature  
Mean Temperature 51 °F 52 °F  
Max Temperature 56 °F 58 °F 69 °F (1987)
Min Temperature 45 °F 45 °F 29 °F (1949)
Degree Days  
Heating Degree Days 14 13  
Month to date heating degree days 249 215  
Since 1 July heating degree days 467 432  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 193 189  
Moisture  
Dew Point 44 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation 0.25 in 0.12 in 5.02 in (2003)
Month to date precipitation 1.71 1.85  
Year to date precipitation 19.65 23.94  
Snow  
Snow 0.00 in - - ()
Month to date snowfall  
Since 1 July snowfall  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 11 mph (SSW)    
Max Wind Speed 24 mph    
Max Gust Speed 30 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Oct. 20, 2008 Rise Set
Actual Time 7:35 AM PDT 6:11 PM PDT
Civil Twilight 7:04 AM PDT 6:42 PM PDT
Nautical Twilight 6:28 AM PDT 7:18 PM PDT
Astronomical Twilight 5:53 AM PDT 7:53 PM PDT
Moon 11:09 PM PDT (10/20) 2:33 PM PDT (10/20)
Length of Visible Light 11h 37m
Length of Day
10h 35m
Waning Gibbous, 58% of the Moon is Illuminated
Oct 20
Waning Gibbous
Oct 21
Last Quarter
Oct 28
New
Nov 5
First Quarter
Nov 12
Full

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.0 °F - 42.1 °F 80% 30.02 in 10.0 mi SE 5.8 mph - N/A   Overcast
1:53 AM 48.0 °F - 43.0 °F 83% 30.02 in 10.0 mi SE 6.9 mph - N/A   Overcast
2:53 AM 48.0 °F - 42.1 °F 80% 30.04 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:53 AM 46.9 °F - 42.1 °F 83% 30.00 in 10.0 mi Variable 4.6 mph - 0.00 in   Overcast
4:53 AM 48.0 °F - 43.0 °F 83% 29.97 in 10.0 mi SE 5.8 mph - 0.00 in   Overcast
5:53 AM 48.0 °F - 43.0 °F 83% 29.98 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:53 AM 50.0 °F - 43.0 °F 77% 29.97 in 10.0 mi South 5.8 mph - N/A   Overcast
7:48 AM 50.0 °F - 44.6 °F 82% 29.97 in 5.0 mi SW 12.7 mph 21.9 mph 0.00 in Rain Light Rain
7:53 AM 50.0 °F - 45.0 °F 83% 30.00 in 5.0 mi SW 17.3 mph 21.9 mph 0.00 in Rain Light Rain
8:14 AM 48.2 °F - 44.6 °F 87% 29.97 in 5.0 mi South 15.0 mph 21.9 mph 0.04 in Rain Light Rain
8:17 AM 48.2 °F - 44.6 °F 87% 29.97 in 6.0 mi SSE 16.1 mph - 0.04 in Rain Light Rain
8:46 AM 48.2 °F - 44.6 °F 87% 29.93 in 5.0 mi SSE 18.4 mph 29.9 mph 0.07 in Rain Rain
8:53 AM 46.9 °F - 45.0 °F 93% 29.97 in 7.0 mi SSE 17.3 mph 24.2 mph 0.07 in Rain Light Rain
9:53 AM 48.0 °F - 44.1 °F 86% 29.98 in 5.0 mi SE 8.1 mph - 0.02 in Rain Light Rain
10:30 AM 48.2 °F - 44.6 °F 87% 29.97 in 6.0 mi SSE 9.2 mph - 0.02 in Rain Light Rain
10:53 AM 48.0 °F - 45.0 °F 89% 30.01 in 6.0 mi SSW 11.5 mph - 0.02 in   Overcast
11:53 AM 50.0 °F - 46.0 °F 86% 30.02 in 10.0 mi SSW 12.7 mph 20.7 mph 0.00 in   Overcast
12:53 PM 52.0 °F - 46.9 °F 83% 30.05 in 10.0 mi SSW 17.3 mph 21.9 mph N/A   Mostly Cloudy
1:48 PM 55.4 °F - 46.4 °F 72% 30.05 in 10.0 mi SSW 11.5 mph 26.5 mph N/A   Mostly Cloudy
1:53 PM 55.0 °F - 46.0 °F 72% 30.07 in 10.0 mi SSW 19.6 mph 26.5 mph N/A   Mostly Cloudy
2:53 PM 55.0 °F - 44.1 °F 67% 30.07 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
3:36 PM 50.0 °F - 44.6 °F 82% 30.09 in 2.5 mi West 15.0 mph 25.3 mph 0.06 in Rain Heavy Rain
3:43 PM 50.0 °F - 44.6 °F 82% 30.08 in 2.5 mi SW 10.4 mph 25.3 mph 0.13 in Rain Light Rain
3:45 PM 50.0 °F - 44.6 °F 82% 30.08 in 3.0 mi SW 11.5 mph 25.3 mph 0.14 in Rain Light Rain
3:53 PM 51.1 °F - 44.1 °F 77% 30.11 in 9.0 mi WSW 16.1 mph 21.9 mph 0.14 in Rain Light Rain
4:53 PM 51.1 °F - 44.1 °F 77% 30.12 in 10.0 mi SSW 17.3 mph 23.0 mph 0.00 in   Mostly Cloudy
5:53 PM 50.0 °F - 43.0 °F 77% 30.16 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
6:26 PM 50.0 °F - 42.8 °F 76% 30.16 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
6:53 PM 48.9 °F - 42.1 °F 77% 30.19 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
7:53 PM 48.9 °F - 42.1 °F 77% 30.22 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:24 PM 48.2 °F - 42.8 °F 82% 30.21 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
8:53 PM 48.9 °F - 42.1 °F 77% 30.26 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:53 PM 48.0 °F - 42.1 °F 80% 30.29 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
10:53 PM 46.9 °F - 42.1 °F 83% 30.33 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:53 PM 46.0 °F 41.9 °F 42.1 °F 86% 30.35 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy