Weather History for Stampede Pass, WA

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Tuesday, September 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 48 °F 57 °F 78 °F (2008)
Min Temperature 42 °F 42 °F 36 °F (2003)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 42 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.09 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 9 mph    
Max Gust Speed 20 mph    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 6:45 AM PDT 7:12 PM PDT
Civil Twilight 6:15 AM PDT 7:43 PM PDT
Nautical Twilight 5:38 AM PDT 8:19 PM PDT
Astronomical Twilight 5:01 AM PDT 8:56 PM PDT
Moon 6:05 PM PDT (9/17) 4:41 AM PDT (9/17)
Length of Visible Light 13h 27m
Length of Day
12h 26m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

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 48.0 °F - 46.0 °F 93% 29.98 in 0.2 mi Variable 4.6 mph - 0.04 in Fog Fog
1:56 AM 46.9 °F - 46.0 °F 97% 29.92 in 0.2 mi Variable 4.6 mph - 0.03 in Fog Fog
2:03 AM 46.4 °F 44.3 °F 46.4 °F 100% 29.93 in 0.5 mi WSW 4.6 mph - N/A Fog Fog
2:12 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.93 in 0.2 mi West 4.6 mph - N/A Fog Fog
2:56 AM 46.9 °F - 45.0 °F 93% 29.91 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
3:43 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.91 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
3:56 AM 46.0 °F 44.8 °F 45.0 °F 96% 29.90 in 0.2 mi Variable 3.5 mph - N/A Fog Fog
4:56 AM 45.0 °F 42.6 °F 44.1 °F 97% 29.89 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
4:18 PM 42.8 °F 39.3 °F 41.0 °F 93% 29.88 in 0.2 mi Variable 5.8 mph - N/A Fog Fog
4:39 PM 42.8 °F 40.1 °F 42.8 °F 100% 29.88 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
4:56 PM 44.1 °F 40.1 °F 42.1 °F 93% 29.88 in 0.2 mi Variable 6.9 mph 19.6 mph N/A Fog Fog
5:56 PM 43.0 °F 40.3 °F 41.0 °F 93% 29.89 in 0.2 mi Variable 4.6 mph - 0.01 in Fog Fog
7:56 PM 43.0 °F 38.8 °F 41.0 °F 93% 29.91 in 0.2 mi Variable 6.9 mph - 0.01 in Fog Fog
8:56 PM 43.0 °F 38.2 °F 41.0 °F 93% 29.92 in 0.2 mi West 8.1 mph 16.1 mph N/A Fog Fog
9:27 PM 42.8 °F 37.5 °F 39.2 °F 87% 29.92 in 0.8 mi West 9.2 mph 16.1 mph N/A   Mist
9:40 PM 42.8 °F 38.6 °F 41.0 °F 93% 29.92 in 0.2 mi Variable 6.9 mph - N/A Fog Fog
9:49 PM 42.8 °F 38.0 °F 39.2 °F 87% 29.93 in 0.5 mi West 8.1 mph 17.3 mph N/A Fog Fog
9:56 PM 42.1 °F 37.1 °F 41.0 °F 96% 29.94 in 0.5 mi West 8.1 mph 17.3 mph N/A Fog Fog
10:07 PM 42.8 °F 38.0 °F 41.0 °F 93% 29.93 in 0.2 mi West 8.1 mph - N/A Fog Fog
10:19 PM 42.8 °F 38.6 °F 39.2 °F 87% 29.93 in 0.5 mi Variable 6.9 mph - N/A Fog Fog
10:35 PM 42.8 °F 38.0 °F 41.0 °F 93% 29.93 in 0.2 mi West 8.1 mph - N/A Fog Fog