Weather Almanac for Petaluma, CA

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Sunday, August 18, 2013

  Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F  
Max Temperature 80 °F 91 °F (2013)
Min Temperature 52 °F 46 °F (2007)
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 - 0.32 in (1976)
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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Date:

Astronomy

Aug. 18, 2013 Rise Set
Actual Time 6:28 AM PDT 7:59 PM PDT
Civil Twilight 6:00 AM PDT 8:27 PM PDT
Nautical Twilight 5:26 AM PDT 9:00 PM PDT
Astronomical Twilight 4:50 AM PDT 9:36 PM PDT
Moon 6:09 PM PDT (8/18) 3:44 AM PDT (8/18)
Length of Visible Light 14h 27m
Length of Day
13h 31m
Waxing Gibbous, 93% of the Moon is Illuminated
Aug 18
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

No daily or hourly history data available