Weather History for Napa County, CA

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Thursday, January 9, 2014

  Actual Average Record
Temperature  
Mean Temperature 50 °F 46 °F  
Max Temperature 62 °F 54 °F 65 °F (2012)
Min Temperature 38 °F 37 °F 27 °F (2012)
Degree Days  
Heating Degree Days 15    
Month to date heating degree days 158  
Since 1 July heating degree days 1503  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 42 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - 1.85 in (1959)
Month to date precipitation 0.00  
Year to date precipitation 0.00  
Since 1 July precipitation 2.20  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 09, 2014 Rise Set
Actual Time 7:25 AM PST 5:07 PM PST
Civil Twilight 6:56 AM PST 5:36 PM PST
Nautical Twilight 6:23 AM PST 6:09 PM PST
Astronomical Twilight 5:52 AM PST 6:40 PM PST
Moon 12:35 PM PST (1/9) 1:41 AM PST (1/9)
Length of Visible Light 10h 39m
Length of Day
9h 41m
Waxing Gibbous, 67% of the Moon is Illuminated
Jan 9
Waxing Gibbous
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 39.2 °F 37.0 °F 39.2 °F 100% 30.21 in 0.8 mi NNW 3.5 mph - N/A   Mist
12:12 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.21 in 0.2 mi NNW 3.5 mph - N/A Fog Fog
12:54 AM 39.0 °F - 39.0 °F 100% 30.18 in 0.2 mi Calm Calm - N/A Fog Fog
1:54 AM 41.0 °F - 41.0 °F 100% 30.18 in 0.2 mi Calm Calm - N/A Fog Fog
2:54 AM 39.9 °F 37.8 °F 39.9 °F 100% 30.18 in 0.2 mi SE 3.5 mph - N/A Fog Fog
3:36 AM 37.4 °F - 37.4 °F 100% 30.20 in 0.2 mi Calm Calm - N/A Fog Fog
3:45 AM 39.2 °F - 39.2 °F 100% 30.20 in 0.2 mi Calm Calm - N/A Fog Fog
3:54 AM 41.0 °F - 41.0 °F 100% 30.17 in 0.2 mi Calm Calm - N/A Fog Fog
4:25 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.20 in 1.0 mi NNE 3.5 mph - N/A   Overcast
4:31 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.20 in 3.0 mi NNE 3.5 mph - N/A   Overcast
4:54 AM 43.0 °F - 43.0 °F 100% 30.17 in 4.0 mi Calm Calm - N/A   Overcast
5:06 AM 42.8 °F - 42.8 °F 100% 30.19 in 5.0 mi Calm Calm - N/A   Overcast
5:54 AM 44.1 °F - 44.1 °F 100% 30.17 in 7.0 mi Calm Calm - N/A   Overcast
6:01 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.19 in 7.0 mi ESE 3.5 mph - N/A   Overcast
6:54 AM 46.0 °F 41.9 °F 46.0 °F 100% 30.17 in 9.0 mi SW 8.1 mph - N/A   Scattered Clouds
7:10 AM 42.8 °F 39.3 °F 42.8 °F 100% 30.20 in 5.0 mi NW 5.8 mph - N/A   Mostly Cloudy
7:17 AM 42.8 °F 38.6 °F 42.8 °F 100% 30.20 in 1.8 mi NNW 6.9 mph - N/A   Mostly Cloudy
7:28 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.19 in 0.5 mi North 4.6 mph - N/A Fog Fog
7:54 AM 39.0 °F 35.7 °F 39.0 °F 100% 30.17 in 0.2 mi NW 4.6 mph - N/A Fog Fog
8:07 AM 41.0 °F 36.4 °F 41.0 °F 100% 30.21 in 1.0 mi NNW 6.9 mph - N/A   Mist
8:15 AM 41.0 °F - 41.0 °F 100% 30.22 in 9.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 43.0 °F - 43.0 °F 100% 30.21 in 9.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 50.0 °F - 48.0 °F 93% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
10:54 AM 54.0 °F - 48.0 °F 80% 30.23 in 10.0 mi SW 4.6 mph - N/A   Clear
11:54 AM 57.0 °F - 48.0 °F 72% 30.20 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 60.1 °F - 46.0 °F 60% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 61.0 °F - 46.9 °F 60% 30.15 in 10.0 mi SSW 11.5 mph - N/A   Clear
3:54 PM 57.9 °F - 46.0 °F 65% 30.17 in 10.0 mi West 19.6 mph 24.2 mph N/A   Clear
4:54 PM 55.0 °F - 46.0 °F 72% 30.17 in 10.0 mi West 12.7 mph - N/A   Clear
5:54 PM 52.0 °F - 45.0 °F 77% 30.19 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:54 PM 51.1 °F - 44.1 °F 77% 30.19 in 10.0 mi West 6.9 mph - N/A   Clear
7:54 PM 50.0 °F - 44.1 °F 80% 30.20 in 10.0 mi West 11.5 mph - N/A   Clear
8:54 PM 44.1 °F - 41.0 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 42.1 °F - 39.0 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 41.0 °F - 37.9 °F 89% 30.22 in 10.0 mi North - - N/A   Clear
11:54 PM 41.0 °F - 37.9 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear