Weather History for Napa County, CA

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Friday, October 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 61 °F  
Max Temperature 84 °F 77 °F 94 °F (2014)
Min Temperature 53 °F 45 °F 35 °F (2009)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 18  
Since 1 July heating degree days 82  
Cooling Degree Days 4    
Month to date cooling degree days 4  
Year to date cooling degree days 303  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 25 °F    
Average Humidity 26    
Maximum Humidity 41    
Minimum Humidity 10    
Precipitation  
Precipitation 0.00 in - 0.25 in (2011)
Month to date precipitation 0.00  
Year to date precipitation 2.81  
Since 1 July precipitation 0.84  
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 14 mph (NNE)    
Max Wind Speed 37 mph    
Max Gust Speed 44 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

Oct. 04, 2013 Rise Set
Actual Time 7:07 AM PDT 6:46 PM PDT
Civil Twilight 6:41 AM PDT 7:13 PM PDT
Nautical Twilight 6:10 AM PDT 7:43 PM PDT
Astronomical Twilight 5:40 AM PDT 8:14 PM PDT
Moon 6:48 AM PDT (10/4) 6:33 PM PDT (10/4)
Length of Visible Light 12h 31m
Length of Day
11h 39m
Waning Crescent, 0% of the Moon is Illuminated
Oct 4
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 66.9 °F 27.0 °F 22% 29.96 in 10.0 mi North 26.5 mph - N/A   Clear
1:54 AM 66.9 °F 26.1 °F 21% 29.98 in 10.0 mi North 21.9 mph 32.2 mph N/A   Clear
2:54 AM 66.0 °F 25.0 °F 21% 29.99 in 10.0 mi North 17.3 mph 27.6 mph N/A   Clear
3:54 AM 64.9 °F 26.1 °F 23% 29.97 in 10.0 mi North 19.6 mph 29.9 mph N/A   Clear
4:54 AM 64.9 °F 25.0 °F 22% 29.96 in 10.0 mi North 19.6 mph 32.2 mph N/A   Clear
5:54 AM 64.0 °F 25.0 °F 23% 29.98 in 10.0 mi North 17.3 mph 27.6 mph N/A   Clear
6:54 AM 64.9 °F 24.1 °F 21% 29.99 in 10.0 mi North 21.9 mph 27.6 mph N/A   Clear
7:54 AM 64.9 °F 25.0 °F 22% 30.01 in 10.0 mi NNE 17.3 mph - N/A   Clear
8:54 AM 69.1 °F 25.0 °F 19% 30.01 in 10.0 mi North 24.2 mph 35.7 mph N/A   Clear
9:54 AM 71.1 °F 25.0 °F 18% 30.02 in 10.0 mi North 33.4 mph 40.3 mph N/A   Clear
10:54 AM 73.9 °F 25.0 °F 16% 30.05 in 10.0 mi North 25.3 mph 31.1 mph N/A   Clear
11:54 AM 78.1 °F 24.1 °F 14% 30.06 in 10.0 mi North 19.6 mph 25.3 mph N/A   Clear
12:54 PM 80.1 °F 21.0 °F 11% 30.05 in 10.0 mi NNE 19.6 mph 27.6 mph N/A   Clear
1:54 PM 82.0 °F 21.0 °F 10% 30.03 in 10.0 mi ENE 13.8 mph 20.7 mph N/A   Clear
2:54 PM 82.9 °F 19.0 °F 9% 30.01 in 10.0 mi NNE 9.2 mph - N/A   Clear
3:54 PM 82.0 °F 21.9 °F 11% 30.01 in 10.0 mi NNW 10.4 mph - N/A   Clear
4:54 PM 82.9 °F 21.0 °F 10% 30.01 in 10.0 mi North 12.7 mph - N/A   Clear
5:54 PM 80.1 °F 23.0 °F 12% 30.00 in 10.0 mi North 9.2 mph - N/A   Clear
6:54 PM 73.0 °F 24.1 °F 16% 30.01 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:54 PM 63.0 °F 26.1 °F 25% 30.02 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 53.1 °F 30.9 °F 43% 30.04 in 10.0 mi South 3.5 mph - N/A   Clear
9:54 PM 59.0 °F 33.1 °F 38% 30.05 in 10.0 mi SE 3.5 mph - N/A   Clear
10:54 PM 59.0 °F 30.9 °F 35% 30.06 in 10.0 mi ESE 4.6 mph - N/A   Clear
11:54 PM 57.0 °F 28.0 °F 33% 30.07 in 10.0 mi SSE 6.9 mph - N/A   Clear