Weather History for Napa County, CA

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Sunday, October 24, 2010

  Actual Average Record
Temperature  
Mean Temperature 58 °F 57 °F  
Max Temperature 63 °F 72 °F 86 °F (2008)
Min Temperature 53 °F 42 °F 35 °F (2001)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 108  
Since 1 July heating degree days 288  
Cooling Degree Days 0    
Month to date cooling degree days 22  
Year to date cooling degree days 181  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 86    
Precipitation  
Precipitation 0.80 in - 0.80 in (2010)
Month to date precipitation 1.65  
Year to date precipitation 18.99  
Since 1 July precipitation 1.65  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 14 mph (SSW)    
Max Wind Speed 26 mph    
Max Gust Speed 33 mph    
Visibility 6 miles    
Events Rain    
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. 24, 2010 Rise Set
Actual Time 7:26 AM PDT 6:19 PM PDT
Civil Twilight 6:59 AM PDT 6:46 PM PDT
Nautical Twilight 6:29 AM PDT 7:16 PM PDT
Astronomical Twilight 5:58 AM PDT 7:47 PM PDT
Moon 7:07 PM PDT (10/24) 9:11 AM PDT (10/24)
Length of Visible Light 11h 46m
Length of Day
10h 52m
Full, 97% of the Moon is Illuminated
Oct 24
Full
Oct 30
Last Quarter
Nov 5
New
Nov 13
First Quarter
Nov 21
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 57.9 °F 57.0 °F 97% 29.97 in 7.0 mi ESE 3.5 mph - 0.02 in Rain Light Rain
1:54 AM 60.1 °F 57.0 °F 90% 29.96 in 10.0 mi South 10.4 mph - 0.00 in Rain Light Rain
2:54 AM 60.1 °F 57.9 °F 93% 29.94 in 7.0 mi South 10.4 mph - 0.00 in   Overcast
3:06 AM 60.8 °F 57.2 °F 88% 29.96 in 6.0 mi South 10.4 mph - 0.00 in   Overcast
3:54 AM 60.1 °F 59.0 °F 96% 29.95 in 5.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
4:21 AM 60.8 °F 59.0 °F 94% 29.97 in 4.0 mi SSW 10.4 mph - 0.01 in Rain Light Rain
4:49 AM 60.8 °F 59.0 °F 94% 29.94 in 7.0 mi South 12.7 mph - 0.01 in   Overcast
4:54 AM 60.1 °F 59.0 °F 96% 29.92 in 7.0 mi South 12.7 mph - 0.01 in   Overcast
5:24 AM 60.8 °F 59.0 °F 94% 29.92 in 5.0 mi South 12.7 mph - N/A   Overcast
5:54 AM 61.0 °F 59.0 °F 93% 29.89 in 9.0 mi South 18.4 mph 25.3 mph N/A   Overcast
6:54 AM 61.0 °F 59.0 °F 93% 29.88 in 6.0 mi South 17.3 mph 24.2 mph 0.05 in Rain Light Rain
7:54 AM 61.0 °F 60.1 °F 97% 29.87 in 4.0 mi South 17.3 mph 24.2 mph 0.05 in Rain Light Rain
8:28 AM 60.8 °F 60.8 °F 100% 29.90 in 2.0 mi South 17.3 mph 25.3 mph 0.03 in Rain Rain
8:54 AM 61.0 °F 60.1 °F 97% 29.88 in 2.0 mi South 16.1 mph - 0.09 in Rain Rain
9:07 AM 60.8 °F 60.8 °F 100% 29.90 in 4.0 mi South 15.0 mph 23.0 mph 0.02 in Rain Rain
9:54 AM 62.1 °F 61.0 °F 96% 29.88 in 4.0 mi SSW 16.1 mph - 0.06 in Rain Light Rain
10:21 AM 62.6 °F 60.8 °F 94% 29.90 in 6.0 mi SSW 20.7 mph 32.2 mph 0.02 in Rain Light Rain
10:54 AM 63.0 °F 61.0 °F 93% 29.87 in 4.0 mi SSW 21.9 mph 29.9 mph 0.08 in Rain Rain
11:54 AM 63.0 °F 61.0 °F 93% 29.86 in 5.0 mi SSW 20.7 mph 28.8 mph 0.12 in Rain Light Rain
12:11 PM 62.6 °F 60.8 °F 94% 29.89 in 2.5 mi SSW 23.0 mph 29.9 mph 0.05 in Rain Light Rain
12:14 PM 62.6 °F 60.8 °F 94% 29.89 in 3.0 mi SSW 24.2 mph 32.2 mph 0.05 in Rain Rain
12:54 PM 62.1 °F 61.0 °F 96% 29.86 in 3.0 mi SSW 21.9 mph 29.9 mph 0.16 in Rain Light Rain
1:45 PM 62.6 °F 60.8 °F 94% 29.88 in 1.8 mi SSW 17.3 mph - 0.06 in Rain Rain
1:54 PM 62.1 °F 61.0 °F 96% 29.85 in 2.0 mi SSW 18.4 mph - 0.08 in Rain Rain
2:08 PM 62.6 °F 62.6 °F 100% 29.88 in 3.0 mi SSW 13.8 mph - 0.04 in Rain Light Rain
2:16 PM 62.6 °F 62.6 °F 100% 29.88 in 3.0 mi SW 12.7 mph - 0.05 in Rain Light Rain
2:46 PM 62.6 °F 60.8 °F 94% 29.88 in 7.0 mi West 17.3 mph 25.3 mph 0.08 in Rain Light Rain
2:54 PM 62.1 °F 60.1 °F 93% 29.86 in 10.0 mi WSW 17.3 mph - 0.08 in Rain Light Rain
3:05 PM 62.6 °F 60.8 °F 94% 29.87 in 7.0 mi WSW 15.0 mph - 0.00 in Rain Light Rain
3:54 PM 62.1 °F 59.0 °F 90% 29.86 in 10.0 mi West 15.0 mph - 0.00 in   Overcast
4:11 PM 62.6 °F 59.0 °F 88% 29.89 in 10.0 mi West 16.1 mph - N/A   Overcast
4:54 PM 61.0 °F 57.9 °F 90% 29.86 in 10.0 mi WSW 15.0 mph - N/A   Overcast
5:54 PM 60.1 °F 57.0 °F 90% 29.87 in 10.0 mi WSW 15.0 mph - N/A   Overcast
6:06 PM 60.8 °F 57.2 °F 88% 29.89 in 10.0 mi WSW 17.3 mph - N/A   Overcast
6:54 PM 60.1 °F 57.0 °F 90% 29.88 in 10.0 mi West 13.8 mph - N/A   Overcast
7:22 PM 60.8 °F 55.4 °F 82% 29.93 in 7.0 mi WSW 13.8 mph - 0.01 in Rain Light Rain
7:54 PM 60.1 °F 57.0 °F 90% 29.91 in 10.0 mi West 16.1 mph 23.0 mph 0.01 in   Mostly Cloudy
8:54 PM 59.0 °F 55.0 °F 87% 29.94 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
9:54 PM 57.0 °F 54.0 °F 89% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:27 PM 57.2 °F 53.6 °F 88% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:54 PM 57.0 °F 53.1 °F 87% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 PM 54.0 °F 52.0 °F 93% 30.01 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy