Weather History for Napa County, CA

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Saturday, October 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 60 °F  
Max Temperature 67 °F 75 °F 95 °F (2001)
Min Temperature 43 °F 44 °F 38 °F (2002)
Degree Days  
Heating Degree Days 10    
Month to date heating degree days 71  
Since 1 July heating degree days 135  
Cooling Degree Days 0    
Month to date cooling degree days 4  
Year to date cooling degree days 303  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - 4.66 in (1962)
Month to date precipitation 0.00  
Year to date precipitation 2.81  
Since 1 July precipitation 0.84  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 17 mph    
Max Gust Speed -    
Visibility 7 miles    
Events Fog    
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. 12, 2013 Rise Set
Actual Time 7:15 AM PDT 6:35 PM PDT
Civil Twilight 6:48 AM PDT 7:01 PM PDT
Nautical Twilight 6:18 AM PDT 7:32 PM PDT
Astronomical Twilight 5:47 AM PDT 8:02 PM PDT
Moon 2:43 PM PDT (10/12) 12:30 AM PDT (10/12)
Length of Visible Light 12h 12m
Length of Day
11h 19m
First Quarter, 60% of the Moon is Illuminated
Oct 12
First Quarter
Oct 18
Full
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter

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 46.9 °F - 44.1 °F 90% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:23 AM 46.4 °F - 42.8 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:33 AM 46.4 °F - 44.6 °F 93% 30.01 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 48.9 °F - 46.9 °F 93% 29.99 in 9.0 mi Calm Calm - N/A   Overcast
2:54 AM 46.0 °F - 43.0 °F 89% 29.98 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
3:04 AM 44.6 °F - 42.8 °F 93% 30.00 in 5.0 mi Calm Calm - N/A   Scattered Clouds
3:54 AM 44.1 °F 42.5 °F 42.1 °F 93% 29.97 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
4:13 AM 44.6 °F 43.1 °F 42.8 °F 93% 29.99 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
4:54 AM 48.9 °F - 45.0 °F 86% 29.96 in 10.0 mi Variable 6.9 mph - N/A   Overcast
5:54 AM 48.9 °F - 45.0 °F 86% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
6:43 AM 48.2 °F - 44.6 °F 87% 30.00 in 5.0 mi NNE 3.5 mph - N/A   Overcast
6:54 AM 48.0 °F - 46.0 °F 93% 29.98 in 2.5 mi North 4.6 mph - N/A   Overcast
7:23 AM 48.2 °F - 46.4 °F 93% 30.00 in 0.8 mi North 3.5 mph - N/A   Overcast
7:31 AM 48.2 °F - 46.4 °F 93% 30.00 in 0.5 mi North 4.6 mph - N/A Fog Fog
7:54 AM 48.0 °F - 46.0 °F 93% 29.98 in 0.2 mi Calm Calm - N/A Fog Fog
8:54 AM 48.0 °F - 46.9 °F 96% 29.99 in 0.2 mi NNW 3.5 mph - N/A Fog Fog
9:34 AM 48.2 °F - 48.2 °F 100% 30.02 in 1.0 mi Calm Calm - N/A   Overcast
9:43 AM 48.2 °F - 48.2 °F 100% 30.02 in 3.0 mi Calm Calm - N/A   Overcast
9:54 AM 50.0 °F - 48.0 °F 93% 29.99 in 4.0 mi Calm Calm - N/A   Overcast
10:33 AM 51.8 °F - 48.2 °F 88% 30.01 in 5.0 mi Calm Calm - N/A   Overcast
10:54 AM 52.0 °F - 48.9 °F 89% 29.98 in 7.0 mi West 4.6 mph - N/A   Overcast
11:07 AM 53.6 °F - 48.2 °F 82% 30.00 in 7.0 mi SW 3.5 mph - N/A   Overcast
11:27 AM 53.6 °F - 50.0 °F 88% 30.00 in 7.0 mi Variable 4.6 mph - N/A   Overcast
11:54 AM 55.9 °F - 50.0 °F 80% 29.97 in 9.0 mi WSW 4.6 mph - N/A   Clear
12:54 PM 60.1 °F - 50.0 °F 69% 29.94 in 10.0 mi South 8.1 mph - N/A   Clear
1:54 PM 64.0 °F - 50.0 °F 60% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:54 PM 66.0 °F - 48.9 °F 54% 29.89 in 10.0 mi SSW 11.5 mph - N/A   Clear
3:54 PM 64.9 °F - 50.0 °F 58% 29.88 in 10.0 mi SSW 11.5 mph - N/A   Clear
4:54 PM 63.0 °F - 51.1 °F 65% 29.87 in 10.0 mi SSW 13.8 mph - N/A   Clear
5:54 PM 61.0 °F - 48.0 °F 62% 29.86 in 10.0 mi South 15.0 mph - N/A   Clear
6:54 PM 57.9 °F - 48.9 °F 72% 29.86 in 10.0 mi SSW 6.9 mph - N/A   Clear
7:54 PM 57.0 °F - 46.9 °F 69% 29.87 in 10.0 mi SW 9.2 mph - N/A   Clear
8:54 PM 54.0 °F - 45.0 °F 72% 29.86 in 10.0 mi WSW 5.8 mph - N/A   Clear
9:54 PM 53.1 °F - 45.0 °F 74% 29.87 in 10.0 mi West 4.6 mph - N/A   Clear
10:54 PM 50.0 °F - 44.1 °F 80% 29.88 in 10.0 mi ENE 4.6 mph - N/A   Clear
11:54 PM 46.0 °F - 43.0 °F 89% 29.90 in 10.0 mi Calm Calm - N/A   Clear