Weather Almanac for Petaluma, CA

Change the Weather History Date:

Thursday, August 15, 2013

  Average (KAPC) Record (KAPC)
Temperature  
Mean Temperature 66 °F  
Max Temperature 80 °F 88 °F (2013)
Min Temperature 52 °F 47 °F (2000)
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 - 0.55 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

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. 15, 2013 Rise Set
Actual Time 6:25 AM PDT 8:03 PM PDT
Civil Twilight 5:57 AM PDT 8:31 PM PDT
Nautical Twilight 5:23 AM PDT 9:05 PM PDT
Astronomical Twilight 4:47 AM PDT 9:41 PM PDT
Moon 3:25 PM PDT (8/15) 12:40 AM PDT (8/15)
Length of Visible Light 14h 34m
Length of Day
13h 38m
Waxing Gibbous, 65% of the Moon is Illuminated
Aug 15
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

No daily or hourly history data available