Weather History for Napa County, CA

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Thursday, February 20, 2014

  Actual Average Record
Temperature  
Mean Temperature 51 °F 50 °F  
Max Temperature 66 °F 61 °F 67 °F (2003)
Min Temperature 36 °F 39 °F 25 °F (2013)
Degree Days  
Heating Degree Days 14    
Month to date heating degree days 289  
Since 1 July heating degree days 2121  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 40 °F    
Average Humidity 70    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - 1.64 in (1956)
Month to date precipitation 3.36  
Year to date precipitation 3.44  
Since 1 July precipitation 5.64  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 12 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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Astronomy

Feb. 20, 2014 Rise Set
Actual Time 6:53 AM PST 5:53 PM PST
Civil Twilight 6:26 AM PST 6:19 PM PST
Nautical Twilight 5:55 AM PST 6:50 PM PST
Astronomical Twilight 5:24 AM PST 7:21 PM PST
Moon 11:47 PM PST (2/20) 9:44 AM PST (2/20)
Length of Visible Light 11h 53m
Length of Day
11h 00m
Waning Gibbous, 70% of the Moon is Illuminated
Feb 20
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

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 44.1 °F - 42.1 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 39.9 °F - 39.0 °F 97% 30.18 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 41.0 °F 38.0 °F 39.0 °F 93% 30.17 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:54 AM 37.0 °F - 37.0 °F 100% 30.17 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 37.0 °F - 37.0 °F 100% 30.17 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 39.9 °F - 39.0 °F 97% 30.17 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 37.9 °F - 37.0 °F 97% 30.18 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 45.0 °F - 43.0 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 48.9 °F - 44.1 °F 83% 30.19 in 10.0 mi SW 4.6 mph - N/A   Clear
9:54 AM 51.1 °F - 45.0 °F 80% 30.20 in 10.0 mi SW 4.6 mph - N/A   Clear
10:54 AM 55.9 °F - 39.9 °F 55% 30.20 in 10.0 mi West 5.8 mph - N/A   Clear
11:54 AM 59.0 °F - 41.0 °F 51% 30.18 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 62.1 °F - 37.9 °F 41% 30.15 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 64.0 °F - 39.9 °F 41% 30.13 in 10.0 mi WSW 3.5 mph - N/A   Clear
2:54 PM 64.9 °F - 39.9 °F 40% 30.11 in 10.0 mi SW 8.1 mph - N/A   Clear
3:54 PM 64.9 °F - 41.0 °F 42% 30.10 in 10.0 mi SW 9.2 mph - N/A   Clear
4:54 PM 63.0 °F - 44.1 °F 50% 30.09 in 10.0 mi SW 5.8 mph - N/A   Clear
5:54 PM 60.1 °F - 37.9 °F 44% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 53.1 °F - 44.1 °F 71% 30.10 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 46.9 °F - 41.0 °F 80% 30.10 in 10.0 mi East 4.6 mph - N/A   Clear
8:54 PM 48.0 °F - 39.9 °F 74% 30.10 in 10.0 mi NNW 3.5 mph - N/A   Clear
9:54 PM 45.0 °F - 43.0 °F 93% 30.11 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 46.9 °F - 39.9 °F 77% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 43.0 °F 41.3 °F 39.0 °F 86% 30.10 in 10.0 mi NNW 3.5 mph - N/A   Clear