Weather Almanac for Napa County, CA

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Wednesday, September 3, 2014

  Forecast Average Record
Temperature  
Mean Temperature 66 °F 66 °F  
Max Temperature 74 °F 81 °F 96 °F (2008)
Min Temperature 58 °F 51 °F 44 °F (2000)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days    
Since 1 July heating degree days    
Cooling Degree Days 1    
Month to date cooling degree days    
Year to date cooling degree days    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point      
Average Humidity 69    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation   - 0.20 in (1940)
Month to date precipitation    
Year to date precipitation    
Since 1 July precipitation    
Wind  
Wind Speed 8 mph    
Max Wind Speed 11 mph    
Max Gust Speed      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 03, 2014 Rise Set
Actual Time 6:40 AM PDT 7:35 PM PDT
Civil Twilight 6:13 AM PDT 8:02 PM PDT
Nautical Twilight 5:41 AM PDT 8:34 PM PDT
Astronomical Twilight 5:08 AM PDT 9:07 PM PDT
Moon 3:20 PM PDT (9/3) 12:42 AM PDT (9/3)
Length of Visible Light 13h 48m
Length of Day
12h 55m
Waxing Gibbous, 65% of the Moon is Illuminated
Sep 3
Waxing Gibbous
Sep 8
Full
Sep 15
Last Quarter
Sep 23
New
Oct 1
First Quarter

No daily or hourly history data available