Weather History for Seattle, WA

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Wednesday, October 18, 2006

  Actual Average Record
Temperature  
Mean Temperature 51 °F 52 °F  
Max Temperature 53 °F 59 °F 70 °F (1974)
Min Temperature 49 °F 45 °F 32 °F (1949)
Degree Days  
Heating Degree Days 14 13  
Month to date heating degree days 183 189  
Since 1 July heating degree days 357 406  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 270 189  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 90    
Maximum Humidity 93    
Minimum Humidity 86    
Precipitation  
Precipitation 0.28 in 0.11 in 1.19 in (1958)
Month to date precipitation 0.78 1.61  
Year to date precipitation 24.72 23.70  
Snow  
Snow 0.00 in - - ()
Month to date snowfall  
Since 1 July snowfall  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 20 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 18, 2006 Rise Set
Actual Time 7:32 AM PDT 6:15 PM PDT
Civil Twilight 7:01 AM PDT 6:46 PM PDT
Nautical Twilight 6:25 AM PDT 7:22 PM PDT
Astronomical Twilight 5:49 AM PDT 7:57 PM PDT
Moon 3:54 AM PDT (10/18) 5:03 PM PDT (10/18)
Length of Visible Light 11h 45m
Length of Day
10h 43m
Waning Crescent, 10% of the Moon is Illuminated
Oct 18
Waning Crescent
Oct 21
New
Oct 29
First Quarter
Nov 5
Full
Nov 12
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 46.0 °F 86% 30.25 in 10.0 mi SSE 5.8 mph - N/A   Overcast
1:53 AM 50.0 °F 46.9 °F 89% 30.26 in 10.0 mi South 3.5 mph - N/A   Overcast
2:53 AM 50.0 °F 46.0 °F 86% 30.26 in 9.0 mi SE 6.9 mph - N/A   Overcast
3:37 AM 50.0 °F 46.4 °F 87% 30.22 in 10.0 mi SSE 8.1 mph - N/A   Overcast
3:53 AM 50.0 °F 46.9 °F 89% 30.25 in 10.0 mi South 3.5 mph - N/A   Overcast
4:00 AM 50.0 °F 46.4 °F 87% 30.23 in 10.0 mi South 3.5 mph - N/A   Overcast
4:14 AM 51.8 °F 46.4 °F 82% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:53 AM 50.0 °F 46.9 °F 89% 30.24 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 AM 50.0 °F 48.0 °F 93% 30.26 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:53 AM 51.1 °F 48.0 °F 89% 30.27 in 10.0 mi SW 4.6 mph - N/A   Overcast
7:10 AM 51.8 °F 46.4 °F 82% 30.25 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 50.0 °F 46.9 °F 89% 30.26 in 8.0 mi SSE 4.6 mph - 0.00 in Rain Light Rain
8:40 AM 50.0 °F 48.2 °F 94% 30.24 in 6.0 mi South 8.1 mph - 0.02 in Rain Light Rain
8:53 AM 50.0 °F 48.0 °F 93% 30.27 in 5.0 mi South 6.9 mph - 0.03 in Rain Light Rain
9:53 AM 50.0 °F 48.0 °F 93% 30.28 in 8.0 mi South 6.9 mph - 0.04 in Rain Light Rain
10:45 AM 50.0 °F 48.2 °F 94% 30.25 in 7.0 mi South 9.2 mph - 0.02 in Rain Light Rain
10:53 AM 50.0 °F 48.0 °F 93% 30.27 in 9.0 mi South 9.2 mph - 0.02 in Rain Light Rain
11:47 AM 51.8 °F 48.2 °F 88% 30.24 in 9.0 mi South 11.5 mph - 0.00 in Rain Light Rain
11:53 AM 51.1 °F 48.9 °F 92% 30.27 in 8.0 mi South 10.4 mph - 0.01 in Rain Light Rain
12:11 PM 51.8 °F 48.2 °F 88% 30.23 in 10.0 mi SSW 10.4 mph - 0.00 in Rain Light Rain
12:32 PM 51.8 °F 48.2 °F 88% 30.23 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
12:53 PM 52.0 °F 48.9 °F 89% 30.25 in 10.0 mi SSW 12.7 mph - 0.00 in   Overcast
1:17 PM 51.8 °F 48.2 °F 88% 30.23 in 10.0 mi SSW 12.7 mph - 0.00 in Rain Light Rain
1:53 PM 52.0 °F 48.9 °F 89% 30.25 in 10.0 mi SSW 12.7 mph - 0.00 in Rain Light Rain
2:46 PM 51.8 °F 48.2 °F 88% 30.23 in 5.0 mi South 10.4 mph - 0.00 in Rain Light Rain
2:53 PM 51.1 °F 48.9 °F 92% 30.25 in 3.0 mi South 11.5 mph - 0.01 in Rain Light Rain
2:56 PM 51.8 °F 48.2 °F 88% 30.22 in 3.0 mi South 12.7 mph - 0.00 in Rain Light Rain
3:29 PM 51.8 °F 50.0 °F 94% 30.22 in 3.0 mi South 9.2 mph - 0.04 in Rain Light Rain
3:53 PM 51.1 °F 48.9 °F 92% 30.24 in 5.0 mi South 10.4 mph - 0.06 in Rain Light Rain
4:53 PM 50.0 °F 48.9 °F 96% 30.23 in 3.0 mi South 10.4 mph - 0.03 in Rain Light Rain
5:18 PM 50.0 °F 48.2 °F 94% 30.20 in 6.0 mi South 11.5 mph - 0.01 in Rain Light Rain
5:53 PM 50.0 °F 48.9 °F 96% 30.22 in 0.8 mi South 9.2 mph - 0.02 in Rain Light Rain
6:03 PM 50.0 °F 48.2 °F 94% 30.19 in 5.0 mi South 10.4 mph - 0.00 in Rain Light Rain
6:53 PM 51.1 °F 48.0 °F 89% 30.20 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
7:26 PM 51.8 °F 48.2 °F 88% 30.17 in 10.0 mi South 9.2 mph - N/A   Overcast
7:53 PM 51.1 °F 48.0 °F 89% 30.20 in 10.0 mi SSW 11.5 mph - N/A   Overcast
8:53 PM 51.1 °F 48.9 °F 92% 30.19 in 10.0 mi South 6.9 mph - 0.01 in Rain Light Rain
9:53 PM 51.1 °F 48.9 °F 92% 30.19 in 8.0 mi South 9.2 mph - 0.02 in   Overcast
10:00 PM 51.8 °F 48.2 °F 88% 30.17 in 7.0 mi South 8.1 mph - N/A   Overcast
10:36 PM 51.8 °F 50.0 °F 94% 30.16 in 4.0 mi South 9.2 mph - 0.01 in Rain Light Rain
10:53 PM 51.1 °F 50.0 °F 96% 30.18 in 4.0 mi South 11.5 mph - 0.01 in   Light Drizzle
11:53 PM 51.1 °F 51.1 °F 100% 30.17 in 3.0 mi South 9.2 mph - 0.00 in   Light Drizzle