Weather Almanac for San Francisco, CA

Friday, January 17, 2014 — View Current Weather Conditions
Friday, January 17, 2014
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Daily Weekly Monthly Custom
  Average Record
Temperature
Mean Temperature 50 °F  
Max Temperature 56 °F 70 °F (1991)
Min Temperature 44 °F 32 °F (1947)
Degree Days
Heating Degree Days 15  
Month to date heating degree days   255  
Since 1 July heating degree days   1265  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   0  
Moisture
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation
Precipitation 0.14 in 1.06 in (1973)
Month to date precipitation   2.38  
Year to date precipitation   2.38  
Since 1 July precipitation   9.95  
Wind
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Local Photos

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Astronomy
Jan. 17, 2014 Rise Set
Actual Time 7:22 AM PST 5:17 PM PST
Civil Twilight 6:54 AM PST 5:45 PM PST
Nautical Twilight 6:21 AM PST 6:17 PM PST
Astronomical Twilight 5:50 AM PST 6:49 PM PST
Moon 7:05 PM PST (1/17) 7:56 AM PST (1/17)
Length Of Visible Light 10h 51m
Length of Day
9h 54m
Full, 98% of the Moon is Illuminated
Jan 17
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full
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No daily or hourly history data available