Weather History for KPAO - December, 2011

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Friday, December 2, 2011

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 77 °F 60 °F 77 °F (2011)
Min Temperature 42 °F 38 °F 31 °F (1990)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 35    
Maximum Humidity 67    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 20 miles    
Events      
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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Astronomy

Dec. 02, 2011 Rise Set
Actual Time 7:05 AM PST 4:50 PM PST
Civil Twilight 6:36 AM PST 5:19 PM PST
Nautical Twilight 6:03 AM PST 5:51 PM PST
Astronomical Twilight 5:32 AM PST 6:23 PM PST
Moon 12:24 PM PST (12/2) No Moon Set
Length of Visible Light 10h 43m
Length of Day
9h 45m
First Quarter, 54% of the Moon is Illuminated
Dec 2
First Quarter
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 50.0 °F - 26.6 °F 40% 30.03 in 30.0 mi Calm Calm - N/A   Scattered Clouds
7:47 AM 42.8 °F 40.1 °F 28.4 °F 57% 30.03 in 30.0 mi Variable 4.6 mph - N/A   Scattered Clouds
8:47 AM 53.6 °F - 30.2 °F 41% 30.05 in 30.0 mi Variable 4.6 mph - N/A   Partly Cloudy
9:55 AM 62.6 °F - 24.8 °F 24% 30.05 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
10:47 AM 66.2 °F - 24.8 °F 21% 30.04 in 30.0 mi Variable 5.8 mph - N/A   Clear
11:47 AM 68.0 °F - 23.0 °F 18% 30.01 in 30.0 mi Variable 4.6 mph - N/A   Clear
12:47 PM 69.8 °F - 24.8 °F 18% 29.99 in 30.0 mi Variable 5.8 mph - N/A   Clear
1:47 PM 71.6 °F - 26.6 °F 19% 29.97 in 30.0 mi Variable 5.8 mph - N/A   Clear
3:47 PM 73.4 °F - 26.6 °F 18% 29.95 in 30.0 mi NW 10.4 mph - N/A   Clear
4:47 PM 66.2 °F - 26.6 °F 23% 29.95 in 30.0 mi NW 5.8 mph - N/A   Clear
5:47 PM 57.2 °F - 32.0 °F 38% 29.95 in 20.0 mi West 5.8 mph - N/A   Clear
6:47 PM 53.6 °F - 42.8 °F 67% 29.96 in 20.0 mi NNW 8.1 mph - N/A   Clear
7:47 PM 55.4 °F - 44.6 °F 67% 29.97 in 20.0 mi North 8.1 mph - N/A   Clear
8:47 PM 77.0 °F - 50.0 °F 39% 29.96 in 25.0 mi Variable 4.6 mph - N/A   Clear