Weather History for Seattle, WA

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Saturday, December 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 52 °F 42 °F  
Max Temperature 56 °F 47 °F 57 °F (1958)
Min Temperature 47 °F 37 °F 20 °F (1985)
Degree Days  
Heating Degree Days 13 23  
Month to date heating degree days 13 23  
Since 1 July heating degree days 1040 1206  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 177 189  
Moisture  
Dew Point 40 °F    
Average Humidity 74    
Maximum Humidity 93    
Minimum Humidity 54    
Precipitation  
Precipitation 0.16 in 0.20 in 1.52 in (1979)
Month to date precipitation 0.16 0.20  
Year to date precipitation 41.57 32.34  
Snow  
Snow 0.00 in - 1.10 in (2007)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.53 in    
Wind  
Wind Speed 12 mph (SSE)    
Max Wind Speed 25 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:36 AM PST 4:20 PM PST
Civil Twilight 7:01 AM PST 4:55 PM PST
Nautical Twilight 6:23 AM PST 5:33 PM PST
Astronomical Twilight 5:46 AM PST 6:10 PM PST
Moon 7:19 PM PST (12/1) 9:50 AM PST (12/1)
Length of Visible Light 9h 53m
Length of Day
8h 43m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:08 AM 48.2 °F 46.4 °F 93% 29.42 in 10.0 mi South 11.5 mph - 0.00 in Rain Light Rain
12:53 AM 48.9 °F 46.0 °F 90% 29.40 in 10.0 mi SE 11.5 mph - 0.00 in Rain Light Rain
1:53 AM 48.9 °F 45.0 °F 86% 29.41 in 10.0 mi South 8.1 mph - 0.03 in Rain Light Rain
2:53 AM 48.9 °F 45.0 °F 86% 29.41 in 7.0 mi South 6.9 mph - 0.05 in Rain Light Rain
3:53 AM 48.9 °F 44.1 °F 83% 29.45 in 10.0 mi South 18.4 mph 28.8 mph 0.04 in Rain Light Rain
4:53 AM 48.9 °F 43.0 °F 80% 29.50 in 10.0 mi South 17.3 mph 27.6 mph 0.03 in   Mostly Cloudy
5:53 AM 48.0 °F 41.0 °F 77% 29.56 in 10.0 mi South 16.1 mph 27.6 mph N/A   Mostly Cloudy
6:53 AM 48.0 °F 42.1 °F 80% 29.61 in 10.0 mi SSW 12.7 mph 23.0 mph 0.00 in Rain Light Rain
7:53 AM 46.9 °F 39.9 °F 77% 29.64 in 10.0 mi South 13.8 mph 28.8 mph 0.00 in   Mostly Cloudy
8:53 AM 46.9 °F 39.0 °F 74% 29.65 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
9:53 AM 48.0 °F 39.0 °F 71% 29.66 in 10.0 mi SE 10.4 mph - N/A   Overcast
10:53 AM 51.1 °F 37.9 °F 61% 29.65 in 10.0 mi South 17.3 mph 25.3 mph 0.00 in   Overcast
11:53 AM 53.1 °F 39.0 °F 59% 29.63 in 10.0 mi South 13.8 mph 21.9 mph 0.00 in Rain Light Rain
12:53 PM 54.0 °F 37.0 °F 53% 29.62 in 10.0 mi South 17.3 mph 27.6 mph 0.00 in   Mostly Cloudy
1:53 PM 54.0 °F 37.9 °F 55% 29.60 in 10.0 mi South 24.2 mph 31.1 mph N/A   Mostly Cloudy
2:53 PM 53.1 °F 37.9 °F 57% 29.60 in 10.0 mi SSW 11.5 mph 21.9 mph 0.00 in   Overcast
3:53 PM 51.1 °F 39.0 °F 63% 29.60 in 10.0 mi South 5.8 mph - 0.00 in   Overcast
4:53 PM 50.0 °F 41.0 °F 71% 29.58 in 10.0 mi South 6.9 mph - 0.00 in   Overcast
5:53 PM 50.0 °F 37.0 °F 61% 29.56 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
6:53 PM 50.0 °F 36.0 °F 59% 29.52 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F 35.1 °F 57% 29.50 in 10.0 mi SE 8.1 mph - N/A   Overcast
8:53 PM 48.9 °F 39.0 °F 69% 29.47 in 10.0 mi South 11.5 mph - 0.01 in Rain Light Rain
9:53 PM 48.9 °F 37.9 °F 66% 29.44 in 10.0 mi ESE 11.5 mph - 0.00 in   Overcast
10:53 PM 48.0 °F 39.0 °F 71% 29.37 in 10.0 mi ESE 13.8 mph - 0.00 in Rain Light Rain
11:53 PM 46.9 °F 39.0 °F 74% 29.29 in 10.0 mi ESE 9.2 mph - 0.00 in Rain Light Rain