Weather History for Napa County, CA

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Saturday, April 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 57 °F 54 °F  
Max Temperature 63 °F 68 °F 87 °F (2008)
Min Temperature 51 °F 41 °F 32 °F (2001)
Degree Days  
Heating Degree Days 8    
Month to date heating degree days 104  
Since 1 July heating degree days 2614  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 81    
Maximum Humidity 89    
Minimum Humidity 72    
Precipitation  
Precipitation 0.00 in - 0.91 in (1956)
Month to date precipitation 0.98  
Year to date precipitation 7.28  
Since 1 July precipitation 9.48  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 13 mph (West)    
Max Wind Speed 23 mph    
Max Gust Speed 27 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Apr. 12, 2014 Rise Set
Actual Time 6:37 AM PDT 7:42 PM PDT
Civil Twilight 6:10 AM PDT 8:09 PM PDT
Nautical Twilight 5:38 AM PDT 8:42 PM PDT
Astronomical Twilight 5:04 AM PDT 9:15 PM PDT
Moon 5:28 PM PDT (4/12) 5:05 AM PDT (4/12)
Length of Visible Light 13h 59m
Length of Day
13h 05m
Waxing Gibbous, 93% of the Moon is Illuminated
Apr 12
Waxing Gibbous
Apr 15
Full
Apr 22
Last Quarter
Apr 28
New
May 6
First 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 51.1 °F 48.9 °F 92% 29.88 in 10.0 mi WNW 9.2 mph - N/A   Overcast
1:54 AM 51.1 °F 48.0 °F 89% 29.87 in 10.0 mi WNW 8.1 mph - N/A   Overcast
2:54 AM 52.0 °F 48.0 °F 86% 29.87 in 10.0 mi WNW 10.4 mph - N/A   Overcast
3:54 AM 52.0 °F 48.0 °F 86% 29.86 in 10.0 mi West 10.4 mph - N/A   Overcast
4:54 AM 52.0 °F 48.0 °F 86% 29.85 in 10.0 mi West 8.1 mph - N/A   Overcast
5:54 AM 52.0 °F 48.0 °F 86% 29.86 in 10.0 mi West 6.9 mph - N/A   Overcast
6:54 AM 52.0 °F 48.0 °F 86% 29.86 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:54 AM 52.0 °F 46.9 °F 83% 29.88 in 10.0 mi West 8.1 mph - N/A   Overcast
8:54 AM 53.1 °F 48.0 °F 83% 29.89 in 10.0 mi WNW 11.5 mph - N/A   Overcast
9:54 AM 54.0 °F 48.0 °F 80% 29.89 in 10.0 mi WNW 8.1 mph - N/A   Overcast
10:54 AM 57.9 °F 50.0 °F 75% 29.89 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
11:54 AM 60.1 °F 52.0 °F 75% 29.89 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
12:07 PM 60.1 °F 52.0 °F 75% 29.91 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
12:54 PM 61.0 °F 53.1 °F 75% 29.87 in 10.0 mi SSW 11.5 mph - N/A   Clear
1:54 PM 62.1 °F 53.1 °F 72% 29.86 in 10.0 mi SSW 15.0 mph - N/A   Clear
2:54 PM 63.0 °F 53.1 °F 70% 29.84 in 10.0 mi SSW 16.1 mph - N/A   Clear
3:54 PM 62.1 °F 53.1 °F 72% 29.83 in 10.0 mi SSW 21.9 mph - N/A   Clear
4:54 PM 62.1 °F 54.0 °F 75% 29.83 in 10.0 mi SSW 17.3 mph 25.3 mph N/A   Clear
5:19 PM 61.0 °F 52.0 °F 72% 29.86 in 10.0 mi West 20.7 mph - N/A   Clear
5:54 PM 57.9 °F 51.1 °F 78% 29.83 in 10.0 mi West 21.9 mph - N/A   Clear
6:54 PM 55.0 °F 50.0 °F 83% 29.85 in 10.0 mi West 17.3 mph 26.5 mph N/A   Clear
7:33 PM 53.1 °F 50.0 °F 89% 29.87 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
7:49 PM 53.6 °F 48.2 °F 82% 29.88 in 10.0 mi West 17.3 mph - N/A   Scattered Clouds
7:54 PM 53.1 °F 48.9 °F 86% 29.86 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
8:21 PM 53.1 °F 48.9 °F 86% 29.89 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
8:54 PM 52.0 °F 48.9 °F 89% 29.87 in 10.0 mi WNW 16.1 mph - N/A   Overcast
9:37 PM 52.0 °F 48.9 °F 89% 29.91 in 10.0 mi WNW 17.3 mph - N/A   Overcast
9:54 PM 52.0 °F 48.9 °F 89% 29.89 in 10.0 mi WNW 17.3 mph - N/A   Overcast
10:54 PM 52.0 °F 48.9 °F 89% 29.91 in 10.0 mi WSW 12.7 mph - N/A   Overcast
11:54 PM 52.0 °F 48.0 °F 86% 29.91 in 10.0 mi West 15.0 mph - N/A   Overcast