Weather History for Napa County, CA

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Sunday, January 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F 46 °F  
Max Temperature 50 °F 55 °F 68 °F (2009)
Min Temperature 22 °F 37 °F 22 °F (2013)
Degree Days  
Heating Degree Days 29    
Month to date heating degree days 296  
Since 1 July heating degree days 1408  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 22 °F    
Average Humidity 60    
Maximum Humidity 92    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in - 2.60 in (1993)
Month to date precipitation 0.17  
Year to date precipitation 0.17  
Since 1 July precipitation 7.96  
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 13, 2013 Rise Set
Actual Time 7:24 AM PST 5:11 PM PST
Civil Twilight 6:55 AM PST 5:40 PM PST
Nautical Twilight 6:23 AM PST 6:12 PM PST
Astronomical Twilight 5:51 AM PST 6:44 PM PST
Moon 8:29 AM PST (1/13) 7:53 PM PST (1/13)
Length of Visible Light 10h 44m
Length of Day
9h 46m
Waxing Crescent, 6% of the Moon is Illuminated
Jan 13
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 28.9 °F 22.8 °F 24.1 °F 82% 30.18 in 10.0 mi East 5.8 mph - N/A   Clear
1:54 AM 28.0 °F 22.8 °F 23.0 °F 81% 30.20 in 10.0 mi North 4.6 mph - N/A   Clear
2:54 AM 27.0 °F 21.6 °F 21.0 °F 78% 30.20 in 10.0 mi West 4.6 mph - N/A   Clear
3:54 AM 25.0 °F - 23.0 °F 92% 30.21 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 25.0 °F - 21.0 °F 85% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 25.0 °F - 19.9 °F 81% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 25.0 °F 18.1 °F 19.9 °F 81% 30.24 in 10.0 mi NE 5.8 mph - N/A   Clear
8:54 AM 32.0 °F 28.7 °F 26.1 °F 79% 30.26 in 10.0 mi North 3.5 mph - N/A   Clear
9:54 AM 37.0 °F - 26.1 °F 65% 30.25 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 41.0 °F - 27.0 °F 57% 30.25 in 10.0 mi Calm Calm - N/A   Clear
11:29 AM 42.8 °F - 26.6 °F 53% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 43.0 °F - 26.1 °F 51% 30.22 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 46.0 °F 43.1 °F 26.1 °F 46% 30.19 in 10.0 mi SW 5.8 mph - N/A   Clear
1:54 PM 48.0 °F - 23.0 °F 37% 30.17 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:54 PM 48.0 °F - 26.1 °F 42% 30.17 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:54 PM 48.9 °F - 26.1 °F 41% 30.17 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 46.9 °F - 28.9 °F 50% 30.17 in 10.0 mi Calm Calm - N/A   Clear
5:54 PM 41.0 °F 34.7 °F 17.1 °F 38% 30.17 in 10.0 mi North 10.4 mph - N/A   Clear
6:54 PM 35.1 °F 27.4 °F 19.9 °F 54% 30.17 in 10.0 mi North 10.4 mph - N/A   Clear
7:54 PM 44.1 °F 37.1 °F 15.1 °F 31% 30.17 in 10.0 mi North 15.0 mph - N/A   Clear
8:54 PM 44.1 °F 36.8 °F 12.0 °F 27% 30.17 in 10.0 mi North 16.1 mph - N/A   Clear
9:54 PM 44.1 °F 36.8 °F 12.9 °F 28% 30.18 in 10.0 mi NNW 16.1 mph - N/A   Clear
11:54 PM 41.0 °F 33.5 °F 14.0 °F 33% 30.20 in 10.0 mi North 13.8 mph - N/A   Clear