Weather Almanac for Petaluma, CA

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Friday, August 9, 2013

  Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F  
Max Temperature 79 °F 100 °F (2002)
Min Temperature 52 °F 49 °F (2009)
Degree Days  
Heating Degree Days    
Month to date heating degree days    
Since 1 June heating degree days    
Since 1 July heating degree days    
Cooling Degree Days    
Month to date cooling degree days    
Year to date cooling degree days    
Since 1 June cooling degree days    
Moisture  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation - 0.11 in (1962)
Month to date precipitation    
Year to date precipitation    
Since 1 July precipitation    
Wind  
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 09, 2013 Rise Set
Actual Time 6:20 AM PDT 8:10 PM PDT
Civil Twilight 5:51 AM PDT 8:39 PM PDT
Nautical Twilight 5:16 AM PDT 9:14 PM PDT
Astronomical Twilight 4:39 AM PDT 9:51 PM PDT
Moon 9:08 AM PDT (8/9) 9:27 PM PDT (8/9)
Length of Visible Light 14h 48m
Length of Day
13h 50m
Waxing Crescent, 8% of the Moon is Illuminated
Aug 9
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

No daily or hourly history data available