Seattle, WA

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

Weather History for KSEA - October, 2004

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Wednesday, October 20, 2004

  Actual Average Record
Temperature  
Mean Temperature 50 °F 52 °F  
Max Temperature 55 °F 58 °F 69 °F (1987)
Min Temperature 46 °F 45 °F 29 °F (1949)
Degree Days  
Heating Degree Days 14 13  
Month to date heating degree days 215  
Since 1 July heating degree days 432  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 189  
Moisture  
Dew Point 45 °F    
Average Humidity 82    
Maximum Humidity 97    
Minimum Humidity 69    
Precipitation  
Precipitation 0.00 in 0.12 in 5.02 in (2003)
Month to date precipitation 1.85  
Year to date precipitation 23.94  
Snow  
Snow 0.00 in - - ()
Month to date snowfall  
Since 1 July snowfall  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.72 in    
Wind  
Wind Speed 9 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
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, 2004 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 3:23 PM PDT (10/20) 11:33 PM PDT (10/20)
Length of Visible Light 11h 37m
Length of Day
10h 35m
Waxing Crescent, 49% of the Moon is Illuminated
Oct 20
Waxing Crescent
Oct 20
First Quarter
Oct 27
Full
Nov 4
Last Quarter
Nov 12
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 48.9 °F - 46.9 °F 93% 29.60 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
1:56 AM 50.0 °F - 46.9 °F 89% 29.61 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
2:56 AM 48.9 °F - 46.0 °F 90% 29.63 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
3:40 AM 48.2 °F - 46.4 °F 93% 29.62 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
3:56 AM 46.9 °F - 46.0 °F 97% 29.65 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
4:49 AM 46.4 °F 41.1 °F 44.6 °F 93% 29.63 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
4:56 AM 46.9 °F - 45.0 °F 93% 29.66 in 10.0 mi NNE 10.4 mph - N/A   Mostly Cloudy
5:13 AM 48.2 °F - 44.6 °F 87% 29.65 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
5:44 AM 48.2 °F - 44.6 °F 87% 29.67 in 10.0 mi NNE 9.2 mph - N/A   Mostly Cloudy
5:56 AM 48.0 °F - 45.0 °F 89% 29.69 in 10.0 mi North 11.5 mph - N/A   Mostly Cloudy
6:33 AM 46.4 °F 42.9 °F 44.6 °F 93% 29.69 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
6:56 AM 48.0 °F - 45.0 °F 89% 29.72 in 10.0 mi NNE 8.1 mph - N/A   Scattered Clouds
7:56 AM 46.9 °F - 45.0 °F 93% 29.74 in 10.0 mi NE 6.9 mph - N/A   Scattered Clouds
8:36 AM 48.2 °F - 44.6 °F 87% 29.73 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
8:56 AM 48.9 °F - 45.0 °F 86% 29.76 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
9:56 AM 50.0 °F - 45.0 °F 83% 29.76 in 10.0 mi ENE 5.8 mph - N/A   Scattered Clouds
10:56 AM 51.1 °F - 45.0 °F 80% 29.78 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
11:18 AM 51.8 °F - 44.6 °F 76% 29.75 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
11:56 AM 52.0 °F - 45.0 °F 77% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:37 PM 53.6 °F - 44.6 °F 72% 29.75 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
12:56 PM 54.0 °F - 45.0 °F 72% 29.77 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
1:56 PM 53.1 °F - 44.1 °F 71% 29.76 in 10.0 mi SW 5.8 mph - N/A   Overcast
2:56 PM 54.0 °F - 45.0 °F 72% 29.76 in 10.0 mi WSW 4.6 mph - N/A   Overcast
3:56 PM 54.0 °F - 46.0 °F 75% 29.76 in 10.0 mi SSE 3.5 mph - N/A   Overcast
4:56 PM 55.0 °F - 45.0 °F 69% 29.76 in 10.0 mi SE 6.9 mph - N/A   Overcast
5:56 PM 54.0 °F - 45.0 °F 72% 29.75 in 10.0 mi SE 6.9 mph - N/A   Overcast
6:25 PM 53.6 °F - 46.4 °F 77% 29.73 in 10.0 mi SSE 8.1 mph - N/A   Overcast
6:56 PM 54.0 °F - 46.0 °F 75% 29.75 in 10.0 mi South 6.9 mph - N/A   Overcast
7:42 PM 53.6 °F - 46.4 °F 77% 29.73 in 10.0 mi SW 9.2 mph - N/A   Overcast
7:56 PM 54.0 °F - 48.0 °F 80% 29.75 in 10.0 mi SW 11.5 mph - N/A   Overcast
8:56 PM 52.0 °F - 46.9 °F 83% 29.75 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
9:56 PM 53.1 °F - 48.0 °F 83% 29.75 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
10:44 PM 51.8 °F - 46.4 °F 82% 29.74 in 10.0 mi SW 8.1 mph - N/A   Overcast
10:56 PM 52.0 °F - 46.0 °F 80% 29.76 in 10.0 mi SW 12.7 mph - N/A   Overcast
11:20 PM 51.8 °F - 44.6 °F 76% 29.74 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
11:56 PM 51.1 °F - 44.1 °F 77% 29.75 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy