Napa County, CA

8:51 PM PST on December 14, 2017 (GMT -0800)
Napa County

Weather History for KAPC - August, 2012

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Saturday, August 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 64 °F 65 °F  
Max Temperature 74 °F 78 °F 95 °F (1998)
Min Temperature 53 °F 52 °F 46 °F (1918)
Degree Days  
Heating Degree Days 1    
Month to date heating degree days 3  
Since 1 June heating degree days 90  
Since 1 July heating degree days 29  
Cooling Degree Days 0    
Month to date cooling degree days 5  
Year to date cooling degree days 110  
Since 1 June cooling degree days 96  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - 0.00 in (2017)
Month to date precipitation 0.00  
Year to date precipitation 13.77  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 11 mph (WSW)    
Max Wind Speed 21 mph    
Max Gust Speed 25 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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Date:

Astronomy

Aug. 04, 2012 Rise Set
Actual Time 6:14 AM PDT 8:14 PM PDT
Civil Twilight 5:45 AM PDT 8:43 PM PDT
Nautical Twilight 5:10 AM PDT 9:19 PM PDT
Astronomical Twilight 4:32 AM PDT 9:57 PM PDT
Moon 9:30 PM PDT (8/4) 9:03 AM PDT (8/4)
Length of Visible Light 14h 58m
Length of Day
14h 00m
Waning Gibbous, 92% of the Moon is Illuminated
Aug 4
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:31 AM 55.4 °F 51.8 °F 88% 29.85 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
12:44 AM 55.4 °F 51.8 °F 88% 29.85 in 10.0 mi West 5.8 mph - N/A   Overcast
12:54 AM 54.0 °F 51.1 °F 90% 29.83 in 10.0 mi WNW 5.8 mph - N/A   Overcast
1:33 AM 53.6 °F 51.8 °F 94% 29.85 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:54 AM 53.1 °F 50.0 °F 89% 29.83 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
2:12 AM 53.6 °F 51.8 °F 94% 29.86 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
2:54 AM 54.0 °F 51.1 °F 90% 29.82 in 10.0 mi WNW 10.4 mph - N/A   Overcast
3:54 AM 53.1 °F 50.0 °F 89% 29.82 in 10.0 mi WNW 9.2 mph - N/A   Overcast
4:54 AM 54.0 °F 51.1 °F 90% 29.84 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
5:54 AM 54.0 °F 51.1 °F 90% 29.85 in 10.0 mi NW 6.9 mph - N/A   Overcast
6:54 AM 54.0 °F 51.1 °F 90% 29.87 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:54 AM 55.0 °F 50.0 °F 83% 29.89 in 10.0 mi WSW 11.5 mph - N/A   Overcast
8:54 AM 55.9 °F 51.1 °F 84% 29.88 in 10.0 mi NW 8.1 mph - N/A   Overcast
9:45 AM 57.2 °F 50.0 °F 77% 29.90 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
9:54 AM 59.0 °F 51.1 °F 75% 29.87 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
10:54 AM 60.1 °F 51.1 °F 72% 29.88 in 10.0 mi SW 8.1 mph - N/A   Overcast
11:54 AM 63.0 °F 53.1 °F 70% 29.89 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
12:54 PM 64.9 °F 55.0 °F 70% 29.91 in 10.0 mi South 16.1 mph - N/A   Mostly Cloudy
1:54 PM 66.9 °F 55.0 °F 66% 29.91 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
2:54 PM 69.1 °F 57.0 °F 65% 29.89 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
3:15 PM 73.4 °F 55.4 °F 53% 29.90 in 10.0 mi West 13.8 mph 21.9 mph N/A   Scattered Clouds
3:54 PM 71.1 °F 54.0 °F 55% 29.88 in 10.0 mi WSW 17.3 mph - N/A   Mostly Cloudy
4:54 PM 66.0 °F 55.9 °F 70% 29.90 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
5:54 PM 64.0 °F 55.0 °F 73% 29.86 in 10.0 mi West 17.3 mph 24.2 mph N/A   Mostly Cloudy
6:54 PM 64.0 °F 55.0 °F 73% 29.87 in 10.0 mi WSW 11.5 mph 20.7 mph N/A   Mostly Cloudy
7:54 PM 63.0 °F 55.0 °F 75% 29.86 in 10.0 mi West 12.7 mph - N/A   Clear
8:54 PM 61.0 °F 55.9 °F 83% 29.87 in 10.0 mi SW 13.8 mph 21.9 mph N/A   Clear
9:23 PM 62.6 °F 55.4 °F 77% 29.92 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
9:54 PM 61.0 °F 55.0 °F 81% 29.91 in 10.0 mi West 8.1 mph - N/A   Overcast
10:14 PM 60.8 °F 55.4 °F 82% 29.96 in 10.0 mi WSW 4.6 mph - N/A   Overcast
10:45 PM 60.8 °F 55.4 °F 82% 29.96 in 10.0 mi West 12.7 mph - N/A   Overcast
10:54 PM 60.1 °F 55.9 °F 86% 29.94 in 10.0 mi West 11.5 mph - N/A   Overcast
11:21 PM 60.8 °F 55.4 °F 82% 29.97 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
11:54 PM 59.0 °F 55.9 °F 90% 29.95 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy