Napa County, CA

10:08 AM PDT on April 27, 2017 (GMT -0700)
Napa County

Weather History for KAPC - September, 2013

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Monday, September 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F 66 °F  
Max Temperature 83 °F 81 °F 98 °F (2010)
Min Temperature 61 °F 51 °F 46 °F (2008)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 0  
Since 1 July heating degree days 36  
Cooling Degree Days 7    
Month to date cooling degree days 13  
Year to date cooling degree days 250  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - 0.00 in (2017)
Month to date precipitation 0.00  
Year to date precipitation 1.97  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 11 mph (WSW)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 02, 2013 Rise Set
Actual Time 6:39 AM PDT 7:36 PM PDT
Civil Twilight 6:12 AM PDT 8:03 PM PDT
Nautical Twilight 5:40 AM PDT 8:35 PM PDT
Astronomical Twilight 5:07 AM PDT 9:08 PM PDT
Moon 4:03 AM PDT (9/2) 5:52 PM PDT (9/2)
Length of Visible Light 13h 50m
Length of Day
12h 56m
Waning Crescent, 7% of the Moon is Illuminated
Sep 2
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 66.9 °F - 60.1 °F 79% 29.88 in 10.0 mi SW 12.7 mph - N/A   Clear
1:54 AM 66.0 °F - 60.1 °F 81% 29.87 in 10.0 mi West 11.5 mph 23.0 mph N/A   Partly Cloudy
2:54 AM 64.0 °F - 60.1 °F 87% 29.88 in 10.0 mi West 12.7 mph - N/A   Clear
3:54 AM 64.9 °F - 60.1 °F 84% 29.87 in 10.0 mi West 8.1 mph - N/A   Clear
4:54 AM 64.9 °F - 60.1 °F 84% 29.87 in 10.0 mi West 12.7 mph - N/A   Clear
5:54 AM 63.0 °F - 60.1 °F 90% 29.88 in 10.0 mi West 12.7 mph - N/A   Clear
6:54 AM 63.0 °F - 60.1 °F 90% 29.89 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
7:54 AM 63.0 °F - 60.1 °F 90% 29.91 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
8:54 AM 64.0 °F - 60.1 °F 87% 29.92 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
9:54 AM 68.0 °F - 60.1 °F 76% 29.93 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
10:54 AM 73.0 °F - 60.1 °F 64% 29.92 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:54 AM 77.0 °F - 61.0 °F 58% 29.91 in 10.0 mi SSW 13.8 mph - N/A   Scattered Clouds
12:54 PM 79.0 °F - 61.0 °F 54% 29.90 in 10.0 mi SSW 16.1 mph - N/A   Clear
1:54 PM 79.0 °F - 61.0 °F 54% 29.88 in 10.0 mi SSW 15.0 mph - N/A   Scattered Clouds
2:54 PM 82.9 °F 83.3 °F 61.0 °F 47% 29.87 in 10.0 mi SSW 16.1 mph - N/A   Clear
3:54 PM 81.0 °F 81.0 °F 57.0 °F 44% 29.86 in 10.0 mi West 15.0 mph 21.9 mph N/A   Scattered Clouds
4:54 PM 81.0 °F 81.3 °F 59.0 °F 47% 29.85 in 10.0 mi West 16.1 mph - N/A   Scattered Clouds
5:54 PM 78.1 °F - 60.1 °F 54% 29.85 in 10.0 mi West 16.1 mph - N/A   Clear
6:54 PM 73.0 °F - 61.0 °F 66% 29.84 in 10.0 mi West 17.3 mph 21.9 mph N/A   Clear
7:54 PM 68.0 °F - 61.0 °F 78% 29.86 in 10.0 mi West 10.4 mph - N/A   Clear
8:54 PM 64.9 °F - 59.0 °F 81% 29.88 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
9:54 PM 63.0 °F - 57.0 °F 81% 29.89 in 10.0 mi SW 6.9 mph - N/A   Clear
10:54 PM 63.0 °F - 57.0 °F 81% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Clear
11:54 PM 62.1 °F - 57.0 °F 84% 29.89 in 10.0 mi WSW 5.8 mph - N/A   Clear