Weather History for KSEA - November, 2011

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Wednesday, November 23, 2011

  Actual Average Record
Temperature  
Mean Temperature 47 °F 44 °F  
Max Temperature 53 °F 49 °F 58 °F (1959)
Min Temperature 40 °F 38 °F 10 °F (1985)
Degree Days  
Heating Degree Days 18 21  
Month to date heating degree days 500 432  
Since 1 July heating degree days 1040 1029  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 148 189  
Moisture  
Dew Point 43 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.55 in 0.22 in 2.49 in (1986)
Month to date precipitation 4.37 5.02  
Year to date precipitation 33.37 30.59  
Snow  
Snow 0.00 in - 0.40 in (1977)
Month to date snowfall T  
Since 1 July snowfall T  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.64 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 25 mph    
Max Gust Speed 36 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 23, 2011 Rise Set
Actual Time 7:25 AM PST 4:25 PM PST
Civil Twilight 6:50 AM PST 4:59 PM PST
Nautical Twilight 6:13 AM PST 5:37 PM PST
Astronomical Twilight 5:36 AM PST 6:14 PM PST
Moon 5:33 AM PST (11/23) 3:12 PM PST (11/23)
Length of Visible Light 10h 09m
Length of Day
9h 00m
Waning Crescent, 3% of the Moon is Illuminated
Nov 23
Waning Crescent
Nov 24
New
Dec 2
First Quarter
Dec 10
Full
Dec 17
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F - 50.0 °F 93% 29.42 in 10.0 mi SSE 19.6 mph - 0.05 in Rain Light Rain
1:53 AM 52.0 °F - 48.9 °F 89% 29.42 in 10.0 mi South 19.6 mph 26.5 mph 0.03 in Rain Light Rain
2:53 AM 52.0 °F - 48.9 °F 89% 29.42 in 8.0 mi South 20.7 mph 28.8 mph 0.06 in Rain Light Rain
3:53 AM 52.0 °F - 48.9 °F 89% 29.41 in 7.0 mi SSE 16.1 mph - 0.08 in Rain Rain
4:53 AM 52.0 °F - 48.9 °F 89% 29.39 in 9.0 mi South 20.7 mph 26.5 mph 0.10 in Rain Light Rain
5:22 AM 51.8 °F - 48.2 °F 88% 29.41 in 5.0 mi SW 15.0 mph 18.4 mph 0.05 in Rain Rain
5:30 AM 48.2 °F - 46.4 °F 93% 29.41 in 2.5 mi WSW 16.1 mph 24.2 mph 0.09 in Rain Heavy Rain
5:40 AM 48.2 °F - 46.4 °F 93% 29.42 in 5.0 mi WSW 5.8 mph - 0.16 in Rain Rain
5:53 AM 48.0 °F - 48.0 °F 100% 29.46 in 5.0 mi SW 10.4 mph - 0.18 in Rain Light Rain
6:22 AM 48.2 °F - 46.4 °F 93% 29.45 in 10.0 mi SW 15.0 mph 23.0 mph 0.01 in   Overcast
6:33 AM 48.2 °F - 44.6 °F 87% 29.45 in 10.0 mi SSW 17.3 mph 25.3 mph 0.01 in Rain Light Rain
6:53 AM 46.9 °F - 42.1 °F 83% 29.49 in 10.0 mi SSW 16.1 mph 21.9 mph 0.01 in Rain Light Rain
7:53 AM 46.0 °F 39.6 °F 44.1 °F 93% 29.54 in 10.0 mi SSW 15.0 mph 20.7 mph 0.00 in   Overcast
8:45 AM 46.4 °F 43.5 °F 41.0 °F 81% 29.56 in 10.0 mi SW 5.8 mph - N/A   Overcast
8:53 AM 46.0 °F 39.9 °F 41.0 °F 83% 29.59 in 10.0 mi SW 13.8 mph - N/A   Overcast
9:47 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.60 in 10.0 mi South 6.9 mph - 0.00 in Rain Light Rain
9:53 AM 46.4 °F 41.9 °F 42.8 °F 87% 29.60 in 10.0 mi South 9.2 mph - N/A Rain Light Rain
10:53 AM 46.0 °F 41.9 °F 43.0 °F 89% 29.65 in 10.0 mi SSW 8.1 mph - 0.02 in Rain Light Rain
11:31 AM 46.4 °F 42.9 °F 42.8 °F 87% 29.63 in 10.0 mi South 6.9 mph - 0.02 in Rain Light Rain
11:53 AM 46.0 °F 41.9 °F 43.0 °F 89% 29.65 in 10.0 mi SSW 8.1 mph - 0.02 in Rain Light Rain
12:53 PM 46.0 °F 42.5 °F 43.0 °F 89% 29.68 in 10.0 mi SSW 6.9 mph - 0.00 in Rain Light Rain
1:53 PM 46.0 °F 41.4 °F 42.1 °F 86% 29.69 in 10.0 mi SW 9.2 mph - 0.00 in Rain Light Rain
2:29 PM 46.4 °F - 42.8 °F 87% 29.68 in 10.0 mi Calm Calm - 0.00 in   Overcast
2:53 PM 45.0 °F 42.6 °F 41.0 °F 86% 29.71 in 10.0 mi NNE 4.6 mph - 0.00 in Rain Light Rain
3:29 PM 42.8 °F 39.3 °F 39.2 °F 87% 29.70 in 10.0 mi ENE 5.8 mph - 0.00 in   Overcast
3:53 PM 43.0 °F 39.5 °F 39.9 °F 89% 29.73 in 10.0 mi ENE 5.8 mph - 0.00 in   Overcast
4:43 PM 44.6 °F 39.2 °F 39.2 °F 81% 29.73 in 10.0 mi SE 10.4 mph - 0.00 in Rain Light Rain
4:53 PM 44.1 °F 39.5 °F 39.9 °F 85% 29.75 in 10.0 mi SSE 8.1 mph - 0.00 in   Overcast
5:53 PM 43.0 °F 38.2 °F 39.9 °F 89% 29.78 in 5.0 mi SSE 8.1 mph - 0.00 in Rain Light Rain
6:53 PM 43.0 °F 38.2 °F 39.9 °F 89% 29.81 in 10.0 mi SSE 8.1 mph - 0.00 in   Overcast
7:53 PM 43.0 °F - 39.0 °F 86% 29.83 in 10.0 mi Calm Calm - 0.00 in   Overcast
8:08 PM 42.8 °F 39.3 °F 39.2 °F 87% 29.80 in 10.0 mi SSE 5.8 mph - N/A   Overcast
8:43 PM 42.8 °F 40.1 °F 39.2 °F 87% 29.81 in 10.0 mi SSE 4.6 mph - N/A   Overcast
8:53 PM 42.1 °F 36.6 °F 39.0 °F 89% 29.84 in 10.0 mi South 9.2 mph - N/A   Overcast
9:28 PM 42.8 °F 38.6 °F 39.2 °F 87% 29.82 in 10.0 mi South 6.9 mph - N/A   Overcast
9:45 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.83 in 10.0 mi SSW 8.1 mph - N/A   Overcast
9:53 PM 42.1 °F 37.7 °F 39.0 °F 89% 29.86 in 10.0 mi SSW 6.9 mph - N/A   Overcast
10:53 PM 42.1 °F 38.4 °F 39.0 °F 89% 29.86 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
11:06 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.83 in 10.0 mi SSW 8.1 mph - N/A   Overcast
11:53 PM 39.9 °F 35.8 °F 37.9 °F 93% 29.87 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy