History for Seattle, WA

Thursday, September 13, 2012 — View Current Conditions
Thursday, September 13, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 68 °F 62 °F  
Max Temperature 82 °F 72 °F 87 °F (1999)
Min Temperature 53 °F 53 °F 39 °F (1952)
Degree Days
Heating Degree Days 0 4  
Month to date heating degree days 29 35  
Since 1 July heating degree days 93 120  
Cooling Degree Days 3 1  
Month to date cooling degree days 20 13  
Year to date cooling degree days 169 181  
Growing Degree Days 18 (Base 50)    
Moisture
Dew Point 44 °F    
Average Humidity 50    
Maximum Humidity 77    
Minimum Humidity 23    
Precipitation
Precipitation 0.00 in 0.05 in 0.51 in (1955)
Month to date precipitation 0.02 0.55  
Year to date precipitation 26.41 21.14  
Sea Level Pressure
Sea Level Pressure 30.16 in    
Wind
Wind Speed 8 mph (North)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos
Mt. Rainier and Lake Tipsoo
Mt. Rainier shortly after sunrise with Lake Tipsoo still under a shadow
Sunrise on Mt. Rainier
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Astronomy
May. 22, 2013 Rise Set
Actual Time 6:44 AM PDT 7:24 PM PDT
Civil Twilight 6:13 AM PDT 7:55 PM PDT
Nautical Twilight 5:36 AM PDT 8:31 PM PDT
Astronomical Twilight 4:58 AM PDT 9:10 PM PDT
Moon 4:02 AM PDT (9/13) 5:54 PM PDT (9/13)
Length Of Visible Light 13h 41m
Length of Day
12h 39m
Waning Crescent, 7% of the Moon is Illuminated
Sep 13
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
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Hourly Observations
Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 45.0 °F 64% 30.25 in 10.0 mi North 10.4 mph - N/A   Clear
1:53 AM 55.0 °F 44.1 °F 67% 30.25 in 10.0 mi North 9.2 mph - N/A   Clear
2:53 AM 55.9 °F 45.0 °F 67% 30.24 in 10.0 mi NNE 12.7 mph - N/A   Scattered Clouds
3:53 AM 55.0 °F 45.0 °F 69% 30.22 in 10.0 mi NNE 13.8 mph - N/A   Partly Cloudy
4:53 AM 54.0 °F 45.0 °F 72% 30.22 in 10.0 mi North 10.4 mph - N/A   Clear
5:53 AM 54.0 °F 46.0 °F 75% 30.21 in 10.0 mi North 13.8 mph - N/A   Clear
6:53 AM 54.0 °F 46.0 °F 75% 30.21 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
7:53 AM 55.9 °F 46.9 °F 72% 30.22 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
8:53 AM 61.0 °F 46.0 °F 58% 30.21 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
9:53 AM 64.0 °F 44.1 °F 48% 30.21 in 10.0 mi North 10.4 mph - N/A   Scattered Clouds
10:53 AM 68.0 °F 44.1 °F 42% 30.19 in 10.0 mi North 11.5 mph - N/A   Scattered Clouds
11:53 AM 72.0 °F 44.1 °F 37% 30.19 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
12:53 PM 77.0 °F 43.0 °F 30% 30.16 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
1:53 PM 77.0 °F 43.0 °F 30% 30.14 in 7.0 mi NW 5.8 mph - N/A   Partly Cloudy
2:53 PM 81.0 °F 39.9 °F 23% 30.11 in 8.0 mi North 8.1 mph - N/A   Partly Cloudy
3:53 PM 80.1 °F 44.1 °F 28% 30.09 in 9.0 mi NW 8.1 mph - N/A   Partly Cloudy
4:53 PM 80.1 °F 43.0 °F 27% 30.08 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
5:53 PM 78.1 °F 43.0 °F 29% 30.07 in 9.0 mi WNW 5.8 mph - N/A   Scattered Clouds
6:53 PM 75.0 °F 39.9 °F 28% 30.07 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
7:53 PM 69.1 °F 45.0 °F 42% 30.09 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
8:53 PM 66.0 °F 44.1 °F 45% 30.09 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
9:53 PM 66.0 °F 44.1 °F 45% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 64.0 °F 44.1 °F 48% 30.10 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
11:53 PM 62.1 °F 46.0 °F 56% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
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