Weather History for Napa County, CA

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Tuesday, October 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 59 °F 60 °F  
Max Temperature 74 °F 76 °F 90 °F (1999)
Min Temperature 43 °F 44 °F 40 °F (2010)
Degree Days  
Heating Degree Days 6    
Month to date heating degree days 29  
Since 1 July heating degree days 93  
Cooling Degree Days 0    
Month to date cooling degree days 4  
Year to date cooling degree days 303  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 66    
Maximum Humidity 96    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in - 0.39 in (1945)
Month to date precipitation 0.00  
Year to date precipitation 2.81  
Since 1 July precipitation 0.84  
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 20 mph    
Max Gust Speed 48 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 08, 2013 Rise Set
Actual Time 7:11 AM PDT 6:40 PM PDT
Civil Twilight 6:45 AM PDT 7:07 PM PDT
Nautical Twilight 6:14 AM PDT 7:37 PM PDT
Astronomical Twilight 5:43 AM PDT 8:08 PM PDT
Moon 11:08 AM PDT (10/8) 9:25 PM PDT (10/8)
Length of Visible Light 12h 22m
Length of Day
11h 29m
Waxing Crescent, 17% of the Moon is Illuminated
Oct 8
Waxing Crescent
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter
Nov 3
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 50.0 °F - 46.0 °F 86% 29.86 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 55.0 °F - 52.0 °F 89% 29.87 in 10.0 mi East 5.8 mph - N/A   Clear
2:54 AM 52.0 °F - 50.0 °F 93% 29.86 in 9.0 mi SE 3.5 mph - N/A   Clear
3:54 AM 46.9 °F - 43.0 °F 86% 29.86 in 9.0 mi Calm Calm - N/A   Clear
4:54 AM 48.0 °F - 45.0 °F 89% 29.86 in 9.0 mi ESE 3.5 mph - N/A   Clear
5:54 AM 46.9 °F - 42.1 °F 83% 29.87 in 10.0 mi North 4.6 mph - N/A   Clear
6:54 AM 45.0 °F 42.6 °F 39.9 °F 82% 29.88 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:54 AM 46.0 °F 44.8 °F 44.1 °F 93% 29.88 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:54 AM 54.0 °F - 46.0 °F 75% 29.89 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 59.0 °F - 48.0 °F 67% 29.89 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 62.1 °F - 46.9 °F 58% 29.88 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:54 AM 64.9 °F - 46.9 °F 52% 29.86 in 10.0 mi SW 4.6 mph - N/A   Clear
12:54 PM 70.0 °F - 46.9 °F 44% 29.83 in 10.0 mi SW 5.8 mph - N/A   Clear
1:54 PM 71.1 °F - 46.0 °F 41% 29.80 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:54 PM 73.0 °F - 44.1 °F 35% 29.76 in 10.0 mi SSW 13.8 mph - N/A   Clear
3:54 PM 72.0 °F - 46.9 °F 41% 29.75 in 10.0 mi SSW 13.8 mph - N/A   Clear
4:54 PM 69.1 °F - 48.0 °F 47% 29.73 in 10.0 mi South 11.5 mph - N/A   Clear
5:54 PM 64.9 °F - 46.9 °F 52% 29.71 in 10.0 mi South 12.7 mph - N/A   Clear
6:54 PM 60.1 °F - 48.0 °F 64% 29.72 in 10.0 mi South 10.4 mph - N/A   Clear
7:54 PM 57.0 °F - 46.9 °F 69% 29.72 in 10.0 mi SSE 3.5 mph - N/A   Clear
8:54 PM 53.1 °F - 46.0 °F 77% 29.72 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 52.0 °F - 46.9 °F 83% 29.70 in 10.0 mi SSW 5.8 mph - N/A   Clear
10:54 PM 53.1 °F - 48.9 °F 86% 29.70 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 48.9 °F - 44.1 °F 83% 29.68 in 10.0 mi Calm Calm - N/A   Clear