Weather Almanac for Petaluma, CA

Change the Weather History Date:

Monday, August 12, 2013

  Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F  
Max Temperature 79 °F 91 °F (1998)
Min Temperature 52 °F 47 °F (2003)
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 - 0.01 in (1965)
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

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Aug. 12, 2013 Rise Set
Actual Time 6:22 AM PDT 8:07 PM PDT
Civil Twilight 5:54 AM PDT 8:35 PM PDT
Nautical Twilight 5:20 AM PDT 9:09 PM PDT
Astronomical Twilight 4:43 AM PDT 9:46 PM PDT
Moon 12:13 PM PDT (8/12) 11:10 PM PDT (8/12)
Length of Visible Light 14h 41m
Length of Day
13h 44m
Waxing Crescent, 32% of the Moon is Illuminated
Aug 12
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

No daily or hourly history data available