Weather History for KSEA - September, 2006

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Saturday, September 23, 2006

  Actual Average Record
Temperature  
Mean Temperature 59 °F 60 °F  
Max Temperature 70 °F 68 °F 83 °F (1957)
Min Temperature 47 °F 51 °F 40 °F (1948)
Degree Days  
Heating Degree Days 6 6  
Month to date heating degree days 100 83  
Since 1 July heating degree days 164 168  
Cooling Degree Days 0 0  
Month to date cooling degree days 30 19  
Year to date cooling degree days 265 187  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 74    
Maximum Humidity 100    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.05 in 0.72 in (2014)
Month to date precipitation 1.43 1.05  
Year to date precipitation 23.94 21.64  
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 23, 2006 Rise Set
Actual Time 6:57 AM PDT 7:04 PM PDT
Civil Twilight 6:26 AM PDT 7:35 PM PDT
Nautical Twilight 5:50 AM PDT 8:11 PM PDT
Astronomical Twilight 5:13 AM PDT 8:48 PM PDT
Moon 8:13 AM PDT (9/23) 7:21 PM PDT (9/23)
Length of Visible Light 13h 08m
Length of Day
12h 07m
New Moon, 2% of the Moon is Illuminated
Sep 23
New Moon
Sep 30
First Quarter
Oct 6
Full
Oct 13
Last Quarter
Oct 21
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F 48.9 °F 89% 30.32 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
1:53 AM 52.0 °F 48.9 °F 89% 30.32 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 51.1 °F 48.9 °F 92% 30.33 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 50.0 °F 46.0 °F 86% 30.32 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
4:53 AM 50.0 °F 46.0 °F 86% 30.32 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 48.9 °F 46.0 °F 90% 30.32 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
6:53 AM 46.9 °F 46.0 °F 97% 30.33 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:18 AM 48.2 °F 46.4 °F 93% 30.32 in 9.0 mi Calm Calm - N/A   Scattered Clouds
7:46 AM 50.0 °F 46.4 °F 87% 30.31 in 1.2 mi NNE 3.5 mph - N/A   Scattered Clouds
7:48 AM 51.8 °F 46.4 °F 82% 30.31 in 2.0 mi NNE 3.5 mph - N/A   Scattered Clouds
7:53 AM 51.1 °F 48.0 °F 89% 30.34 in 0.5 mi Calm Calm - N/A Fog Fog
7:56 AM 51.8 °F 48.2 °F 88% 30.31 in 0.5 mi NE 3.5 mph - N/A Fog Fog
8:07 AM 50.0 °F 48.2 °F 94% 30.31 in 0.2 mi NNE 4.6 mph - N/A Fog Fog
8:33 AM 50.0 °F 50.0 °F 100% 30.32 in 0.2 mi NNW 4.6 mph - N/A Fog Fog
8:53 AM 50.0 °F 50.0 °F 100% 30.34 in 0.5 mi North 5.8 mph - N/A Fog Fog
9:33 AM 51.8 °F 51.8 °F 100% 30.31 in 1.5 mi North 4.6 mph - N/A   Mostly Cloudy
9:46 AM 53.6 °F 51.8 °F 94% 30.31 in 2.5 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:50 AM 55.4 °F 50.0 °F 82% 30.31 in 4.0 mi NNE 4.6 mph - N/A   Haze
9:53 AM 55.0 °F 50.0 °F 83% 30.33 in 5.0 mi NNE 5.8 mph - N/A   Haze
10:53 AM 60.1 °F 48.9 °F 67% 30.33 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
11:53 AM 63.0 °F 48.0 °F 58% 30.31 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
12:53 PM 66.9 °F 52.0 °F 59% 30.30 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
1:53 PM 68.0 °F 51.1 °F 55% 30.28 in 10.0 mi North 10.4 mph - N/A   Partly Cloudy
2:53 PM 68.0 °F 48.9 °F 50% 30.26 in 10.0 mi North 13.8 mph - N/A   Clear
3:53 PM 69.1 °F 48.9 °F 49% 30.24 in 10.0 mi North 9.2 mph - N/A   Clear
4:53 PM 68.0 °F 48.0 °F 49% 30.22 in 10.0 mi North 11.5 mph - N/A   Clear
5:53 PM 66.9 °F 52.0 °F 59% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:53 PM 64.0 °F 50.0 °F 60% 30.21 in 10.0 mi NNW 5.8 mph - N/A   Clear
7:53 PM 61.0 °F 50.0 °F 67% 30.21 in 10.0 mi North 5.8 mph - N/A   Clear
8:53 PM 59.0 °F 50.0 °F 72% 30.22 in 10.0 mi North 6.9 mph - N/A   Clear
9:53 PM 59.0 °F 51.1 °F 75% 30.22 in 10.0 mi NNE 8.1 mph - N/A   Clear
10:53 PM 59.0 °F 51.1 °F 75% 30.22 in 10.0 mi NNE 9.2 mph - N/A   Clear
11:53 PM 59.0 °F 50.0 °F 72% 30.21 in 10.0 mi NE 10.4 mph - N/A   Clear