Weather History for Napa County, CA

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Saturday, August 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F 65 °F  
Max Temperature 72 °F 78 °F 101 °F (1998)
Min Temperature 51 °F 52 °F 50 °F (2007)
Degree Days  
Heating Degree Days 3    
Month to date heating degree days 9  
Since 1 June heating degree days 59  
Since 1 July heating degree days 29  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 148  
Since 1 June cooling degree days 128  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - 0.00 in (2014)
Month to date precipitation 0.00  
Year to date precipitation 1.97  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 10 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 03, 2013 Rise Set
Actual Time 6:13 AM PDT 8:16 PM PDT
Civil Twilight 5:44 AM PDT 8:45 PM PDT
Nautical Twilight 5:08 AM PDT 9:20 PM PDT
Astronomical Twilight 4:30 AM PDT 9:58 PM PDT
Moon 3:28 AM PDT (8/3) 6:02 PM PDT (8/3)
Length of Visible Light 15h 00m
Length of Day
14h 02m
Waning Crescent, 9% of the Moon is Illuminated
Aug 3
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 55.9 °F 53.1 °F 90% 29.91 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Mostly Cloudy
1:32 AM 55.4 °F 53.6 °F 94% 29.93 in 9.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
1:42 AM 55.4 °F 53.6 °F 94% 29.93 in 9.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
1:54 AM 55.9 °F 53.1 °F 90% 29.91 in 9.0 mi SSW 13.8 mph - N/A   Overcast
2:54 AM 55.9 °F 53.1 °F 90% 29.91 in 10.0 mi SSW 10.4 mph - N/A   Overcast
3:31 AM 55.4 °F 53.6 °F 94% 29.93 in 10.0 mi SW 9.2 mph - N/A   Overcast
3:54 AM 55.9 °F 53.1 °F 90% 29.91 in 10.0 mi SW 9.2 mph - N/A   Overcast
4:24 AM 55.4 °F 51.8 °F 88% 29.93 in 10.0 mi SW 10.4 mph - N/A   Overcast
4:54 AM 55.9 °F 52.0 °F 87% 29.91 in 10.0 mi SW 8.1 mph - N/A   Overcast
5:54 AM 55.0 °F 52.0 °F 89% 29.92 in 10.0 mi SW 9.2 mph - N/A   Overcast
6:54 AM 55.0 °F 51.1 °F 86% 29.93 in 10.0 mi SW 9.2 mph - N/A   Overcast
7:54 AM 55.9 °F 51.1 °F 84% 29.95 in 10.0 mi WSW 6.9 mph - N/A   Overcast
8:54 AM 57.0 °F 52.0 °F 83% 29.96 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:54 AM 57.9 °F 52.0 °F 81% 29.96 in 10.0 mi SW 11.5 mph - N/A   Overcast
10:52 AM 60.8 °F 51.8 °F 72% 29.98 in 10.0 mi WSW 9.2 mph - N/A   Overcast
10:54 AM 61.0 °F 52.0 °F 72% 29.96 in 10.0 mi WSW 9.2 mph - N/A   Overcast
11:54 AM 64.9 °F 53.1 °F 65% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
12:08 PM 64.4 °F 53.6 °F 68% 29.97 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
12:54 PM 66.9 °F 53.1 °F 61% 29.94 in 10.0 mi SSW 10.4 mph - N/A   Clear
1:54 PM 69.1 °F 53.1 °F 57% 29.93 in 10.0 mi SSW 12.7 mph - N/A   Clear
2:54 PM 72.0 °F 54.0 °F 53% 29.92 in 10.0 mi SSW 12.7 mph - N/A   Clear
3:54 PM 70.0 °F 55.0 °F 59% 29.90 in 10.0 mi SSW 15.0 mph - N/A   Clear
4:54 PM 71.1 °F 55.0 °F 57% 29.89 in 10.0 mi SSW 13.8 mph - N/A   Clear
5:54 PM 69.1 °F 55.0 °F 61% 29.88 in 10.0 mi South 15.0 mph - N/A   Clear
6:54 PM 66.0 °F 55.0 °F 68% 29.88 in 10.0 mi South 15.0 mph - N/A   Clear
7:54 PM 61.0 °F 54.0 °F 78% 29.88 in 10.0 mi South 10.4 mph - N/A   Clear
8:54 PM 57.9 °F 54.0 °F 87% 29.89 in 10.0 mi South 13.8 mph - N/A   Clear
9:54 PM 55.9 °F 52.0 °F 87% 29.93 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:54 PM 55.0 °F 52.0 °F 89% 29.94 in 10.0 mi WSW 3.5 mph - N/A   Clear
11:54 PM 52.0 °F 48.9 °F 89% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds