Weather History for Napa County, CA

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Saturday, April 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F 54 °F  
Max Temperature 66 °F 67 °F 79 °F (2009)
Min Temperature 50 °F 41 °F 32 °F (2012)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 42  
Since 1 July heating degree days 2607  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in - 1.17 in (1963)
Month to date precipitation 0.63  
Year to date precipitation 1.62  
Since 1 July precipitation 9.41  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 8 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 06, 2013 Rise Set
Actual Time 6:46 AM PDT 7:37 PM PDT
Civil Twilight 6:19 AM PDT 8:04 PM PDT
Nautical Twilight 5:47 AM PDT 8:36 PM PDT
Astronomical Twilight 5:14 AM PDT 9:08 PM PDT
Moon 4:29 AM PDT (4/6) 4:14 PM PDT (4/6)
Length of Visible Light 13h 44m
Length of Day
12h 51m
Waning Crescent, 14% of the Moon is Illuminated
Apr 6
Waning Crescent
Apr 10
New
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:08 AM 53.6 °F 50.0 °F 88% 30.18 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
12:25 AM 53.6 °F 51.8 °F 94% 30.17 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
12:41 AM 53.6 °F 51.8 °F 94% 30.18 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
12:54 AM 54.0 °F 51.1 °F 90% 30.16 in 10.0 mi West 6.9 mph - N/A   Overcast
1:54 AM 54.0 °F 51.1 °F 90% 30.15 in 10.0 mi West 8.1 mph - N/A   Overcast
2:54 AM 54.0 °F 51.1 °F 90% 30.14 in 10.0 mi West 3.5 mph - N/A   Overcast
3:54 AM 55.0 °F 51.1 °F 86% 30.13 in 10.0 mi West 8.1 mph - N/A   Overcast
4:39 AM 53.6 °F 51.8 °F 94% 30.16 in 10.0 mi West 3.5 mph - N/A   Overcast
4:54 AM 54.0 °F 51.1 °F 90% 30.13 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:35 AM 53.6 °F 51.8 °F 94% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 54.0 °F 51.1 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
6:30 AM 53.6 °F 51.8 °F 94% 30.16 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 54.0 °F 51.1 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 55.0 °F 52.0 °F 89% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
8:18 AM 55.4 °F 51.8 °F 88% 30.18 in 10.0 mi SW 3.5 mph - N/A   Overcast
8:54 AM 55.9 °F 52.0 °F 87% 30.15 in 10.0 mi SSW 9.2 mph - N/A   Overcast
9:54 AM 57.0 °F 53.1 °F 87% 30.15 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:54 AM 59.0 °F 54.0 °F 83% 30.16 in 10.0 mi SSW 11.5 mph - N/A   Overcast
11:01 AM 59.0 °F 53.6 °F 82% 30.18 in 10.0 mi SSW 11.5 mph - N/A   Overcast
11:10 AM 59.0 °F 53.6 °F 82% 30.19 in 10.0 mi SSW 12.7 mph - N/A   Overcast
11:54 AM 59.0 °F 54.0 °F 83% 30.17 in 10.0 mi SW 12.7 mph - N/A   Overcast
12:47 PM 60.8 °F 55.4 °F 82% 30.19 in 9.0 mi South 6.9 mph - N/A   Overcast
12:54 PM 60.1 °F 55.0 °F 83% 30.16 in 10.0 mi SSW 6.9 mph - N/A   Overcast
1:01 PM 60.8 °F 55.4 °F 82% 30.18 in 10.0 mi South 4.6 mph - N/A   Overcast
1:54 PM 64.0 °F 55.9 °F 75% 30.14 in 10.0 mi South 9.2 mph - N/A   Overcast
1:56 PM 64.4 °F 55.4 °F 73% 30.16 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
2:54 PM 64.9 °F 55.9 °F 73% 30.13 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
3:54 PM 66.0 °F 55.9 °F 70% 30.11 in 10.0 mi SSW 16.1 mph - N/A   Clear
4:54 PM 64.0 °F 55.0 °F 73% 30.10 in 10.0 mi SW 13.8 mph - N/A   Clear
5:17 PM 64.4 °F 51.8 °F 64% 30.13 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
5:54 PM 61.0 °F 53.1 °F 75% 30.11 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:54 PM 57.9 °F 51.1 °F 78% 30.11 in 10.0 mi WSW 13.8 mph - N/A   Clear
7:54 PM 55.0 °F 50.0 °F 83% 30.12 in 10.0 mi West 11.5 mph - N/A   Clear
8:54 PM 53.1 °F 48.9 °F 86% 30.13 in 10.0 mi South 3.5 mph - N/A   Clear
9:54 PM 52.0 °F 48.9 °F 89% 30.14 in 10.0 mi West 8.1 mph - N/A   Clear
10:54 PM 53.1 °F 48.9 °F 86% 30.15 in 10.0 mi West 12.7 mph - N/A   Overcast
11:54 PM 53.1 °F 48.9 °F 86% 30.15 in 10.0 mi West 9.2 mph - N/A   Overcast