Weather History for Napa County, CA

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Saturday, February 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 48 °F  
Max Temperature 62 °F 57 °F 67 °F (2011)
Min Temperature 39 °F 38 °F 29 °F (1999)
Degree Days  
Heating Degree Days 14    
Month to date heating degree days 28  
Since 1 July heating degree days 1760  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 43 °F    
Average Humidity 78    
Maximum Humidity 96    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - 1.40 in (1991)
Month to date precipitation 0.00  
Year to date precipitation 0.34  
Since 1 July precipitation 8.13  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 2 mph (SSW)    
Max Wind Speed 8 mph    
Max Gust Speed 9 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 02, 2013 Rise Set
Actual Time 7:12 AM PST 5:33 PM PST
Civil Twilight 6:45 AM PST 6:01 PM PST
Nautical Twilight 6:13 AM PST 6:32 PM PST
Astronomical Twilight 5:42 AM PST 7:03 PM PST
Moon No Moon Rise 10:33 AM PST (2/2)
Length of Visible Light 11h 16m
Length of Day
10h 20m
Waning Gibbous, 58% of the Moon is Illuminated
Feb 2
Waning Gibbous
Feb 3
Last Quarter
Feb 9
New
Feb 17
First Quarter
Feb 25
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:54 AM 41.0 °F - 37.9 °F 89% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 43.0 °F 41.3 °F 39.0 °F 86% 30.22 in 10.0 mi ENE 3.5 mph - N/A   Clear
3:37 AM 39.2 °F 35.9 °F 37.4 °F 93% 30.25 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
3:54 AM 42.1 °F 40.2 °F 39.9 °F 92% 30.22 in 8.0 mi East 3.5 mph - N/A   Partly Cloudy
4:21 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.24 in 6.0 mi East 3.5 mph - N/A   Mostly Cloudy
4:33 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.24 in 6.0 mi NE 3.5 mph - N/A   Scattered Clouds
4:54 AM 43.0 °F 41.3 °F 41.0 °F 93% 30.21 in 4.0 mi North 3.5 mph - N/A   Clear
5:54 AM 42.1 °F - 39.0 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
6:20 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.24 in 2.5 mi North 3.5 mph - N/A   Partly Cloudy
6:29 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.25 in 5.0 mi NNE 3.5 mph - N/A   Partly Cloudy
6:54 AM 42.1 °F - 39.9 °F 92% 30.23 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:03 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.26 in 9.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
7:54 AM 43.0 °F - 39.9 °F 89% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
8:54 AM 46.9 °F - 43.0 °F 86% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
9:19 AM 48.2 °F - 44.6 °F 87% 30.31 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
9:32 AM 48.2 °F - 44.6 °F 87% 30.31 in 4.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 50.0 °F - 46.0 °F 86% 30.28 in 4.0 mi Calm Calm - N/A   Partly Cloudy
10:54 AM 52.0 °F - 46.9 °F 83% 30.28 in 5.0 mi Calm Calm - N/A   Haze
11:54 AM 54.0 °F - 46.9 °F 77% 30.27 in 7.0 mi SSW 3.5 mph - N/A   Clear
12:54 PM 55.9 °F - 46.9 °F 72% 30.24 in 10.0 mi SSW 3.5 mph - N/A   Clear
1:54 PM 57.0 °F - 48.0 °F 72% 30.21 in 10.0 mi SW 4.6 mph - N/A   Clear
2:54 PM 60.1 °F - 46.9 °F 62% 30.21 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:54 PM 61.0 °F - 46.9 °F 60% 30.19 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 57.0 °F - 50.0 °F 77% 30.20 in 7.0 mi South 6.9 mph - N/A   Clear
5:54 PM 50.0 °F - 46.0 °F 86% 30.21 in 7.0 mi SSW 4.6 mph - N/A   Clear
6:54 PM 50.0 °F - 45.0 °F 83% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 48.0 °F - 44.1 °F 86% 30.21 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:54 PM 45.0 °F 42.6 °F 42.1 °F 90% 30.21 in 10.0 mi SW 4.6 mph - N/A   Clear
9:54 PM 45.0 °F 42.6 °F 42.1 °F 90% 30.22 in 10.0 mi SW 4.6 mph - N/A   Clear
10:54 PM 45.0 °F - 42.1 °F 90% 30.22 in 9.0 mi Calm Calm - N/A   Clear
11:54 PM 44.1 °F 42.5 °F 41.0 °F 89% 30.22 in 10.0 mi WSW 3.5 mph - N/A   Clear