Weather History for KPAO - January, 2011

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Monday, January 17, 2011

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 55 °F 59 °F 70 °F (1976)
Min Temperature 48 °F 39 °F 26 °F (2012)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 82    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Fog    
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

Jan. 17, 2011 Rise Set
Actual Time 7:21 AM PST 5:16 PM PST
Civil Twilight 6:52 AM PST 5:44 PM PST
Nautical Twilight 6:20 AM PST 6:16 PM PST
Astronomical Twilight 5:49 AM PST 6:47 PM PST
Moon 3:12 PM PST (1/17) 5:26 AM PST (1/17)
Length of Visible Light 10h 51m
Length of Day
9h 54m
Waxing Gibbous, 94% of the Moon is Illuminated
Jan 17
Waxing Gibbous
Jan 19
Full
Jan 26
Last Quarter
Feb 2
New
Feb 10
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 48.2 °F 48.2 °F 100% 30.24 in 0.1 mi NW 6.9 mph - N/A Fog Fog
8:48 AM 48.2 °F 48.2 °F 100% 30.25 in 0.1 mi Variable 4.6 mph - N/A Fog Fog
9:47 AM 50.0 °F 48.2 °F 94% 30.26 in 0.1 mi Variable 4.6 mph - N/A Fog Fog
10:47 AM 50.0 °F 50.0 °F 100% 30.25 in 0.1 mi Variable 4.6 mph - N/A Fog Fog
11:47 AM 50.0 °F 50.0 °F 100% 30.23 in 0.2 mi Variable 5.8 mph - N/A Fog Fog
12:47 PM 51.8 °F 50.0 °F 94% 30.19 in 0.2 mi North 8.1 mph - N/A Fog Fog
1:16 PM 50.0 °F 50.0 °F 100% 30.18 in 18.0 mi NNW 9.2 mph - N/A Fog Fog
1:47 PM 50.0 °F 50.0 °F 100% 30.18 in 0.2 mi North 8.1 mph - N/A Fog Fog
1:58 PM 51.8 °F 50.0 °F 94% 30.17 in 1.0 mi NNW 6.9 mph - N/A   Scattered Clouds
2:47 PM 51.8 °F 50.0 °F 94% 30.16 in 5.0 mi NNE 8.1 mph - N/A   Scattered Clouds
3:47 PM 55.4 °F 50.0 °F 82% 30.15 in 5.0 mi Variable 4.6 mph - N/A   Clear
4:47 PM 55.4 °F 50.0 °F 82% 30.14 in 7.0 mi Variable 4.6 mph - N/A   Clear
6:47 PM 50.0 °F 48.2 °F 94% 30.14 in 7.0 mi NW 8.1 mph - N/A   Clear
7:47 PM 51.8 °F 50.0 °F 94% 30.15 in 7.0 mi NW 8.1 mph - N/A   Partly Cloudy
8:47 PM 50.0 °F 48.2 °F 94% 30.14 in 7.0 mi NW 6.9 mph - N/A   Partly Cloudy