Weather Almanac for KSFO - December, 2009

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Wednesday, December 30, 2009

  Average Record
Temperature  
Mean Temperature -  
Max Temperature 54 °F 69 °F (1945)
Min Temperature 41 °F 33 °F (1990)
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation - - ()
Wind  
Wind Speed    
Max Wind Speed    
Max Gust Speed    
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. 30, 2009 Rise Set
Actual Time 7:24 AM PST 5:00 PM PST
Civil Twilight 6:54 AM PST 5:29 PM PST
Nautical Twilight 6:22 AM PST 6:02 PM PST
Astronomical Twilight 5:50 AM PST 6:34 PM PST
Moon 3:58 PM PST (12/30) 6:25 AM PST (12/30)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waxing Gibbous, 99% of the Moon is Illuminated
Dec 30
Waxing Gibbous
Dec 31
Full
Jan 7
Last Quarter
Jan 14
New
Jan 23
First Quarter

No daily or hourly history data available