Weather History for Napa County, CA

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Monday, February 3, 2014

  Actual Average Record
Temperature  
Mean Temperature 45 °F 48 °F  
Max Temperature 58 °F 57 °F 68 °F (2009)
Min Temperature 31 °F 38 °F 30 °F (2012)
Degree Days  
Heating Degree Days 20    
Month to date heating degree days 66  
Since 1 July heating degree days 1898  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 36 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - 1.51 in (1927)
Month to date precipitation 0.30  
Year to date precipitation 0.38  
Since 1 July precipitation 2.58  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 03, 2014 Rise Set
Actual Time 7:12 AM PST 5:34 PM PST
Civil Twilight 6:44 AM PST 6:02 PM PST
Nautical Twilight 6:12 AM PST 6:33 PM PST
Astronomical Twilight 5:41 AM PST 7:04 PM PST
Moon 9:22 AM PST (2/3) 10:25 PM PST (2/3)
Length of Visible Light 11h 17m
Length of Day
10h 22m
Waxing Crescent, 20% of the Moon is Illuminated
Feb 3
Waxing Crescent
Feb 6
First Quarter
Feb 14
Full
Feb 22
Last Quarter
Mar 1
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 39.0 °F 34.0 °F 37.0 °F 93% 29.99 in 10.0 mi North 6.9 mph - N/A   Clear
1:54 AM 39.0 °F 33.4 °F 37.0 °F 93% 30.00 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
2:54 AM 39.0 °F 32.8 °F 37.9 °F 96% 29.99 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
3:54 AM 37.9 °F 32.7 °F 37.0 °F 97% 29.99 in 10.0 mi NNE 6.9 mph - N/A   Clear
4:54 AM 37.0 °F 34.5 °F 37.0 °F 100% 30.00 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
5:54 AM 35.1 °F 32.2 °F 35.1 °F 100% 30.01 in 10.0 mi NW 3.5 mph - N/A   Clear
6:54 AM 35.1 °F - 35.1 °F 100% 30.01 in 10.0 mi Calm Calm - N/A   Clear
7:01 AM 33.8 °F - 33.8 °F 100% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 33.1 °F 30.0 °F 33.1 °F 100% 30.03 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:01 AM 33.8 °F - 33.8 °F 100% 30.06 in 1.8 mi Calm Calm - N/A   Partly Cloudy
8:09 AM 33.8 °F - 33.8 °F 100% 30.06 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 37.9 °F - 37.9 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 43.0 °F - 39.9 °F 89% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 46.9 °F - 39.9 °F 77% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 53.1 °F - 41.0 °F 64% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:37 PM 55.4 °F - 42.8 °F 63% 30.02 in 10.0 mi WSW 13.8 mph - N/A   Clear
12:54 PM 55.9 °F - 42.1 °F 60% 30.00 in 10.0 mi West 15.0 mph - N/A   Clear
1:54 PM 57.0 °F - 37.9 °F 49% 29.97 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
2:54 PM 57.0 °F - 36.0 °F 45% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
3:54 PM 54.0 °F - 37.0 °F 53% 29.96 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:54 PM 53.1 °F - 39.9 °F 61% 29.96 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:54 PM 48.9 °F - 39.0 °F 69% 29.99 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
6:54 PM 45.0 °F 41.2 °F 39.0 °F 80% 30.00 in 10.0 mi South 6.9 mph - N/A   Clear
7:54 PM 43.0 °F 40.3 °F 37.9 °F 82% 30.02 in 10.0 mi South 4.6 mph - N/A   Clear
8:54 PM 37.0 °F 33.3 °F 35.1 °F 93% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:54 PM 37.9 °F 35.5 °F 36.0 °F 93% 30.03 in 10.0 mi SE 3.5 mph - N/A   Clear
10:54 PM 36.0 °F - 35.1 °F 97% 30.04 in 10.0 mi Calm Calm - N/A   Clear
11:45 PM 32.0 °F - 30.2 °F 93% 30.07 in 1.8 mi Calm Calm - N/A   Partly Cloudy
11:48 PM 30.2 °F - 30.2 °F 100% 30.07 in 0.8 mi Calm Calm - N/A   Unknown
11:54 PM 32.0 °F - 30.9 °F 96% 30.05 in 0.5 mi Calm Calm - N/A   Clear
11:57 PM 33.8 °F - 30.2 °F 87% 30.08 in 1.0 mi Calm Calm - N/A   Clear