Weather History for Napa County, CA

Sunday, September 25, 2011 — View Current Weather Conditions
Sunday, September 25, 2011
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 62 °F 63 °F  
Max Temperature 73 °F 79 °F 95 °F (2010)
Min Temperature 50 °F 47 °F 37 °F (2005)
Degree Days
Heating Degree Days 3    
Month to date heating degree days 20  
Since 1 July heating degree days 77  
Cooling Degree Days 0    
Month to date cooling degree days 52  
Year to date cooling degree days 148  
Growing Degree Days 12 (Base 50)    
Moisture
Dew Point 56 °F    
Average Humidity 81    
Maximum Humidity 96    
Minimum Humidity 66    
Precipitation
Precipitation 0.01 in - 0.26 in (1986)
Month to date precipitation 0.01  
Year to date precipitation 15.88  
Since 1 July precipitation 0.03  
Sea Level Pressure
Sea Level Pressure 29.98 in    
Wind
Wind Speed 8 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Local Photos
Useful appendage
Squirrel has a tail and knows how to use it!
passing cold front
first sign of clouds for weeks
passing cold front
first sign of clouds for weeks
passing cold front
cool weather ushered in the start of fall
passing cold front
first sign of clouds for weeks
colorful web
Mouse
Cute little rodent
colorful web
colorful web
colorful web
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Astronomy
Sep. 25, 2011 Rise Set
Actual Time 6:59 AM PDT 7:01 PM PDT
Civil Twilight 6:33 AM PDT 7:27 PM PDT
Nautical Twilight 6:02 AM PDT 7:58 PM PDT
Astronomical Twilight 5:31 AM PDT 8:29 PM PDT
Moon 4:54 AM PDT (9/25) 5:44 PM PDT (9/25)
Length Of Visible Light 12h 54m
Length of Day
12h 02m
Waning Crescent, 4% of the Moon is Illuminated
Sep 25
Waning Crescent
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
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Hourly Weather History & Observations
Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 62.1 °F 54.0 °F 75% 29.93 in 10.0 mi West 8.1 mph - N/A   Overcast
1:39 AM 60.8 °F 55.4 °F 82% 29.97 in 10.0 mi West 10.4 mph - N/A   Overcast
1:54 AM 61.0 °F 55.0 °F 81% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Overcast
2:54 AM 60.1 °F 55.0 °F 83% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Overcast
3:54 AM 59.0 °F 55.0 °F 87% 29.94 in 10.0 mi West 6.9 mph - N/A   Clear
4:11 AM 59.0 °F 55.4 °F 88% 29.96 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:47 AM 60.8 °F 55.4 °F 82% 29.96 in 10.0 mi West 5.8 mph - N/A   Overcast
4:54 AM 60.1 °F 55.9 °F 86% 29.94 in 10.0 mi West 6.9 mph - N/A   Overcast
5:23 AM 60.8 °F 55.4 °F 82% 29.97 in 10.0 mi West 5.8 mph - N/A   Overcast
6:01 AM 60.8 °F 55.4 °F 82% 29.96 in 10.0 mi West 3.5 mph - N/A   Overcast
6:47 AM 60.8 °F 55.4 °F 82% 29.98 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:54 AM 61.0 °F 55.9 °F 83% 29.96 in 10.0 mi West 3.5 mph - N/A   Overcast
7:54 AM 62.1 °F 57.0 °F 84% 29.97 in 10.0 mi WSW 4.6 mph - N/A   Overcast
8:54 AM 64.0 °F 57.9 °F 80% 29.98 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:01 AM 64.4 °F 57.2 °F 77% 30.00 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:37 AM 62.6 °F 59.0 °F 88% 30.01 in 5.0 mi SW 12.7 mph - N/A   Overcast
9:49 AM 62.6 °F 57.2 °F 82% 30.02 in 10.0 mi SW 13.8 mph - N/A   Overcast
9:54 AM 64.0 °F 57.9 °F 80% 30.00 in 10.0 mi SW 13.8 mph - N/A   Overcast
10:54 AM 64.0 °F 60.1 °F 87% 30.01 in 10.0 mi SW 11.5 mph - 0.01 in   Overcast
11:01 AM 64.4 °F 60.8 °F 88% 30.03 in 10.0 mi SW 9.2 mph - N/A   Overcast
11:13 AM 64.4 °F 60.8 °F 88% 30.03 in 10.0 mi SSW 12.7 mph - N/A   Overcast
11:54 AM 64.9 °F 59.0 °F 81% 30.01 in 10.0 mi SW 10.4 mph - N/A   Overcast
12:22 PM 66.2 °F 59.0 °F 78% 30.03 in 10.0 mi SW 9.2 mph - N/A   Overcast
12:54 PM 70.0 °F 59.0 °F 68% 30.00 in 10.0 mi SSW 11.5 mph - N/A   Overcast
2:54 PM 69.1 °F 59.0 °F 70% 29.99 in 10.0 mi SSW 11.5 mph - N/A   Overcast
3:54 PM 68.0 °F 57.9 °F 70% 29.97 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
4:54 PM 69.1 °F 57.9 °F 68% 29.96 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
5:54 PM 69.1 °F 57.0 °F 65% 29.96 in 10.0 mi SSW 12.7 mph - N/A   Partly Cloudy
6:54 PM 64.9 °F 54.0 °F 68% 29.97 in 10.0 mi WSW 10.4 mph - N/A   Clear
7:54 PM 60.1 °F 54.0 °F 80% 29.97 in 10.0 mi SW 6.9 mph - N/A   Clear
8:54 PM 59.0 °F 53.1 °F 81% 29.99 in 10.0 mi West 9.2 mph - N/A   Clear
9:54 PM 57.0 °F 53.1 °F 87% 29.98 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:54 PM 53.1 °F 51.1 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 52.0 °F 50.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Clear
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