Weather History for Napa County, CA

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Thursday, March 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F 52 °F  
Max Temperature 57 °F 63 °F 72 °F (2004)
Min Temperature 34 °F 40 °F 30 °F (2003)
Degree Days  
Heating Degree Days 19    
Month to date heating degree days 99  
Since 1 July heating degree days 2304  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 37 °F    
Average Humidity 70    
Maximum Humidity 92    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - 1.11 in (1935)
Month to date precipitation 0.10  
Year to date precipitation 0.72  
Since 1 July precipitation 8.51  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 10 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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Daily Weather History Graph

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Date:

Astronomy

Mar. 07, 2013 Rise Set
Actual Time 6:31 AM PST 6:08 PM PST
Civil Twilight 6:05 AM PST 6:35 PM PST
Nautical Twilight 5:34 AM PST 7:05 PM PST
Astronomical Twilight 5:04 AM PST 7:36 PM PST
Moon 3:32 AM PST (3/7) 2:05 PM PST (3/7)
Length of Visible Light 12h 29m
Length of Day
11h 37m
Waning Crescent, 19% of the Moon is Illuminated
Mar 7
Waning Crescent
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 2
Last Quarter

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 36.0 °F 31.1 °F 34.0 °F 93% 29.99 in 10.0 mi North 5.8 mph - N/A   Clear
1:54 AM 35.1 °F - 34.0 °F 96% 29.98 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 35.1 °F 29.3 °F 33.1 °F 92% 29.96 in 10.0 mi NNE 6.9 mph - N/A   Clear
3:54 AM 36.0 °F 30.3 °F 34.0 °F 93% 29.95 in 10.0 mi North 6.9 mph - N/A   Clear
4:54 AM 36.0 °F 32.1 °F 34.0 °F 93% 29.95 in 10.0 mi NE 4.6 mph - N/A   Clear
5:54 AM 37.9 °F 31.5 °F 36.0 °F 93% 29.94 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
6:54 AM 37.0 °F - 35.1 °F 93% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:54 AM 42.1 °F 38.4 °F 37.9 °F 85% 29.94 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
8:54 AM 46.0 °F 44.8 °F 39.9 °F 79% 29.95 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
9:54 AM 50.0 °F - 37.9 °F 63% 29.95 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
10:54 AM 54.0 °F - 39.0 °F 57% 29.94 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:54 AM 55.0 °F - 37.0 °F 51% 29.92 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
12:54 PM 55.9 °F - 35.1 °F 45% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 PM 55.9 °F - 37.0 °F 49% 29.88 in 10.0 mi ESE 4.6 mph - N/A   Overcast
2:54 PM 55.9 °F - 36.0 °F 47% 29.87 in 10.0 mi East 4.6 mph - N/A   Overcast
3:54 PM 55.9 °F - 36.0 °F 47% 29.86 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
4:54 PM 55.9 °F - 36.0 °F 47% 29.85 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
5:54 PM 52.0 °F - 37.0 °F 57% 29.85 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
6:54 PM 51.1 °F - 39.0 °F 63% 29.85 in 10.0 mi North 6.9 mph - N/A   Overcast
7:54 PM 51.1 °F - 39.0 °F 63% 29.85 in 10.0 mi North 6.9 mph - N/A   Overcast
8:54 PM 50.0 °F - 39.0 °F 66% 29.86 in 10.0 mi SSW 3.5 mph - N/A   Overcast
9:54 PM 52.0 °F - 36.0 °F 54% 29.86 in 10.0 mi NE 3.5 mph - N/A   Overcast
10:54 PM 48.9 °F - 39.9 °F 71% 29.86 in 10.0 mi NNW 3.5 mph - N/A   Overcast
11:54 PM 45.0 °F 41.2 °F 37.0 °F 74% 29.85 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds