Weather History for Seattle, WA

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Thursday, October 18, 2007

  Actual Average Record
Temperature  
Mean Temperature 53 °F 52 °F  
Max Temperature 60 °F 59 °F 70 °F (1974)
Min Temperature 45 °F 45 °F 32 °F (1949)
Degree Days  
Heating Degree Days 12 13  
Month to date heating degree days 227 189  
Since 1 July heating degree days 421 406  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 192 189  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 77    
Maximum Humidity 89    
Minimum Humidity 64    
Precipitation  
Precipitation 0.23 in 0.11 in 1.19 in (1958)
Month to date precipitation 2.21 1.61  
Year to date precipitation 25.05 23.70  
Snow  
Snow 0.00 in - - ()
Month to date snowfall  
Since 1 July snowfall  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.60 in    
Wind  
Wind Speed 13 mph (South)    
Max Wind Speed 39 mph    
Max Gust Speed 53 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 18, 2007 Rise Set
Actual Time 7:31 AM PDT 6:16 PM PDT
Civil Twilight 7:00 AM PDT 6:47 PM PDT
Nautical Twilight 6:25 AM PDT 7:22 PM PDT
Astronomical Twilight 5:49 AM PDT 7:58 PM PDT
Moon 2:57 PM PDT (10/18) 11:06 PM PDT (10/18)
Length of Visible Light 11h 46m
Length of Day
10h 44m
Waxing Crescent, 44% of the Moon is Illuminated
Oct 18
Waxing Crescent
Oct 19
First Quarter
Oct 25
Full
Nov 1
Last Quarter
Nov 9
New

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 46.9 °F - 41.0 °F 80% 29.92 in 10.0 mi SE 6.9 mph - 0.00 in   Overcast
1:53 AM 46.9 °F - 41.0 °F 80% 29.90 in 10.0 mi SSE 4.6 mph - 0.00 in   Overcast
2:53 AM 46.9 °F - 39.9 °F 77% 29.87 in 10.0 mi ESE 6.9 mph - 0.00 in   Overcast
3:53 AM 46.0 °F 44.8 °F 41.0 °F 83% 29.82 in 10.0 mi SSE 3.5 mph - 0.00 in Rain Light Rain
4:53 AM 46.0 °F 44.8 °F 41.0 °F 83% 29.79 in 10.0 mi South 3.5 mph - 0.02 in Rain Light Rain
5:53 AM 46.0 °F - 42.1 °F 86% 29.73 in 10.0 mi Calm Calm - 0.02 in Rain Light Rain
6:53 AM 46.4 °F - 41.0 °F 81% 29.64 in 10.0 mi Calm Calm - N/A Rain Light Rain
7:53 AM 46.0 °F 42.5 °F 41.0 °F 83% 29.59 in 7.0 mi East 6.9 mph - 0.04 in Rain Light Rain
8:53 AM 46.9 °F - 42.1 °F 83% 29.53 in 8.0 mi ENE 4.6 mph - 0.04 in Rain Light Rain
9:53 AM 48.0 °F - 41.0 °F 77% 29.45 in 8.0 mi ESE 16.1 mph - 0.00 in Rain Light Rain
10:53 AM 50.0 °F - 42.1 °F 74% 29.42 in 10.0 mi SSE 5.8 mph - 0.00 in   Overcast
11:53 AM 52.0 °F - 46.0 °F 80% 29.39 in 10.0 mi Variable 3.5 mph - 0.00 in   Overcast
12:53 PM 55.0 °F - 46.0 °F 72% 29.38 in 10.0 mi South 17.3 mph 24.2 mph N/A   Overcast
1:53 PM 60.1 °F - 48.9 °F 67% 29.39 in 10.0 mi SSW 33.4 mph 43.7 mph N/A   Mostly Cloudy
2:53 PM 59.0 °F - 48.9 °F 69% 29.43 in 10.0 mi SW 23.0 mph 43.7 mph N/A   Mostly Cloudy
3:53 PM 57.9 °F - 46.9 °F 67% 29.47 in 10.0 mi SSW 29.9 mph 46.0 mph N/A   Mostly Cloudy
4:53 PM 57.0 °F - 46.9 °F 69% 29.52 in 10.0 mi SSW 32.2 mph 43.7 mph N/A   Mostly Cloudy
5:53 PM 55.9 °F - 46.9 °F 72% 29.57 in 10.0 mi SW 31.1 mph 43.7 mph N/A   Mostly Cloudy
6:53 PM 54.0 °F - 46.9 °F 77% 29.61 in 10.0 mi SSW 19.6 mph 39.1 mph N/A   Mostly Cloudy
7:53 PM 52.0 °F - 46.9 °F 83% 29.63 in 10.0 mi SSW 24.2 mph 31.1 mph N/A   Overcast
8:15 PM 51.8 °F - 48.2 °F 88% 29.59 in 10.0 mi SSW 15.0 mph 20.7 mph N/A   Overcast
8:53 PM 51.1 °F - 48.0 °F 89% 29.63 in 5.0 mi SSW 13.8 mph 23.0 mph 0.00 in Rain Light Rain
9:39 PM 51.8 °F - 48.2 °F 88% 29.58 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
9:53 PM 51.1 °F - 48.0 °F 89% 29.61 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
10:22 PM 51.8 °F - 48.2 °F 88% 29.58 in 10.0 mi South 5.8 mph - N/A   Overcast
10:53 PM 51.1 °F - 48.9 °F 92% 29.56 in 10.0 mi SSE 8.1 mph - 0.03 in Rain Light Rain
11:37 PM 51.8 °F - 48.2 °F 88% 29.54 in 10.0 mi Variable 5.8 mph - 0.02 in Rain Light Rain
11:53 PM 51.1 °F - 48.9 °F 92% 29.55 in 8.0 mi SSE 6.9 mph - 0.03 in Rain Light Rain