Weather History for Napa County, CA

Thursday, February 28, 2013 — View Current Weather Conditions
Thursday, February 28, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 56 °F 51 °F  
Max Temperature 68 °F 62 °F 71 °F (2008)
Min Temperature 43 °F 40 °F 28 °F (2012)
Degree Days
Heating Degree Days 9    
Month to date heating degree days 473  
Since 1 July heating degree days 2205  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 8 (Base 50)    
Moisture
Dew Point 49 °F    
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 58    
Precipitation
Precipitation 0.00 in - 1.08 in (1935)
Month to date precipitation 0.28  
Year to date precipitation 0.62  
Since 1 July precipitation 8.41  
Sea Level Pressure
Sea Level Pressure 30.38 in    
Wind
Wind Speed 4 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
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Local Photos
Location, location, location...
If one is a squirrel, perhaps the hawk's nest box isn't the most secure place to be.
Juvenile White Crowned Sparrow
Stretch and Prean
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Astronomy
Feb. 28, 2013 Rise Set
Actual Time 6:41 AM PST 6:01 PM PST
Civil Twilight 6:15 AM PST 6:28 PM PST
Nautical Twilight 5:44 AM PST 6:58 PM PST
Astronomical Twilight 5:14 AM PST 7:29 PM PST
Moon 9:30 PM PST (2/28) 7:58 AM PST (2/28)
Length Of Visible Light 12h 12m
Length of Day
11h 19m
Waning Gibbous, 90% of the Moon is Illuminated
Feb 28
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
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Hourly Weather History & Observations
Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 50.0 °F 45.0 °F 83% 30.35 in 10.0 mi South 4.6 mph - N/A   Overcast
1:54 AM 50.0 °F 46.0 °F 86% 30.35 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
2:54 AM 50.0 °F 46.0 °F 86% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:54 AM 48.0 °F 45.0 °F 89% 30.35 in 10.0 mi SE 3.5 mph - N/A   Clear
4:54 AM 48.0 °F 45.0 °F 89% 30.36 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 48.0 °F 46.0 °F 93% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 AM 48.0 °F 46.0 °F 93% 30.39 in 9.0 mi Calm Calm - N/A   Overcast
7:54 AM 52.0 °F 48.0 °F 86% 30.40 in 10.0 mi Calm Calm - N/A   Overcast
8:02 AM 51.8 °F 48.2 °F 88% 30.43 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 AM 54.0 °F 48.0 °F 80% 30.42 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 AM 57.9 °F 48.0 °F 70% 30.43 in 10.0 mi SW 3.5 mph - N/A   Clear
10:54 AM 61.0 °F 48.9 °F 64% 30.42 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 63.0 °F 51.1 °F 65% 30.40 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:54 PM 66.0 °F 52.0 °F 60% 30.37 in 10.0 mi SSW 10.4 mph - N/A   Clear
2:54 PM 66.9 °F 52.0 °F 59% 30.36 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:54 PM 68.0 °F 53.1 °F 59% 30.36 in 10.0 mi West 8.1 mph - N/A   Clear
3:57 PM 68.0 °F 53.6 °F 60% 30.38 in 10.0 mi West 9.2 mph - N/A   Clear
4:54 PM 64.0 °F 53.1 °F 67% 30.35 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:54 PM 55.0 °F 51.1 °F 86% 30.37 in 10.0 mi SSW 3.5 mph - N/A   Clear
7:54 PM 51.1 °F 48.9 °F 92% 30.39 in 10.0 mi SE 6.9 mph - N/A   Clear
8:54 PM 51.1 °F 48.0 °F 89% 30.40 in 10.0 mi South 3.5 mph - N/A   Clear
10:54 PM 50.0 °F 48.0 °F 93% 30.42 in 10.0 mi South 3.5 mph - N/A   Clear
11:54 PM 50.0 °F 48.0 °F 93% 30.41 in 10.0 mi Calm Calm - N/A   Clear
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