Napa County, CA

11:54 PM PDT on June 26, 2017 (GMT -0700)
Napa County

Weather History for KAPC - September, 2011

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Wednesday, September 14, 2011

  Actual Average Record
Temperature  
Mean Temperature 64 °F 65 °F  
Max Temperature 70 °F 80 °F 89 °F (2004)
Min Temperature 57 °F 50 °F 46 °F (2001)
Degree Days  
Heating Degree Days 1    
Month to date heating degree days 12  
Since 1 July heating degree days 69  
Cooling Degree Days 0    
Month to date cooling degree days 12  
Year to date cooling degree days 108  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in - 0.00 in (2017)
Month to date precipitation 0.00  
Year to date precipitation 15.87  
Since 1 July precipitation 0.02  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 11 mph (SSW)    
Max Wind Speed 36 mph    
Max Gust Speed 101 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. 14, 2011 Rise Set
Actual Time 6:49 AM PDT 7:18 PM PDT
Civil Twilight 6:23 AM PDT 7:45 PM PDT
Nautical Twilight 5:52 AM PDT 8:16 PM PDT
Astronomical Twilight 5:20 AM PDT 8:48 PM PDT
Moon 8:09 PM PDT (9/14) 9:02 AM PDT (9/14)
Length of Visible Light 13h 22m
Length of Day
12h 29m
Waning Gibbous, 95% of the Moon is Illuminated
Sep 14
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
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 59.0 °F 55.9 °F 90% 29.94 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:52 AM 59.0 °F 55.4 °F 88% 29.96 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
1:54 AM 59.0 °F 55.9 °F 90% 29.94 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
2:54 AM 59.0 °F 55.9 °F 90% 29.92 in 10.0 mi SSW 6.9 mph 17.3 mph N/A   Partly Cloudy
3:19 AM 59.0 °F 55.4 °F 88% 29.95 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
3:54 AM 59.0 °F 55.9 °F 90% 29.92 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:54 AM 57.9 °F 55.0 °F 90% 29.91 in 10.0 mi SW 6.9 mph - N/A   Overcast
5:54 AM 57.9 °F 55.0 °F 90% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Overcast
6:54 AM 57.9 °F 55.0 °F 90% 29.92 in 10.0 mi WNW 4.6 mph - N/A   Overcast
7:54 AM 57.9 °F 55.0 °F 90% 29.93 in 10.0 mi West 4.6 mph - N/A   Overcast
8:54 AM 59.0 °F 55.0 °F 87% 29.93 in 10.0 mi South 9.2 mph - N/A   Overcast
9:54 AM 59.0 °F 55.0 °F 87% 29.94 in 10.0 mi SSW 8.1 mph - N/A   Overcast
10:54 AM 61.0 °F 55.0 °F 81% 29.93 in 10.0 mi South 8.1 mph - N/A   Overcast
11:54 AM 63.0 °F 55.0 °F 75% 29.93 in 10.0 mi SSW 12.7 mph - N/A   Overcast
12:08 PM 64.4 °F 55.4 °F 73% 29.95 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
12:52 PM 66.2 °F 55.4 °F 68% 29.93 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
12:54 PM 66.9 °F 55.0 °F 66% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
2:54 PM 68.0 °F 55.9 °F 65% 29.86 in 10.0 mi SSW 16.1 mph - N/A   Clear
3:54 PM 68.0 °F 55.9 °F 65% 29.85 in 10.0 mi SSW 15.0 mph - N/A   Clear
4:54 PM 66.0 °F 55.9 °F 70% 29.83 in 10.0 mi SSW 15.0 mph - N/A   Clear
5:54 PM 64.0 °F 55.9 °F 75% 29.82 in 10.0 mi SSW 15.0 mph - N/A   Clear
6:54 PM 62.1 °F 55.9 °F 80% 29.82 in 10.0 mi SSW 13.8 mph - N/A   Clear
7:54 PM 59.0 °F 55.0 °F 87% 29.83 in 10.0 mi SSW 16.1 mph 20.7 mph N/A   Clear
8:54 PM 57.9 °F 55.0 °F 90% 29.84 in 10.0 mi SSW 13.8 mph - N/A   Clear
9:32 PM 59.0 °F 55.4 °F 88% 29.88 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
9:54 PM 59.0 °F 55.0 °F 87% 29.86 in 10.0 mi SSW 13.8 mph - N/A   Overcast
10:54 PM 57.9 °F 54.0 °F 87% 29.85 in 10.0 mi SSW 15.0 mph - N/A   Overcast
11:54 PM 57.9 °F 54.0 °F 87% 29.85 in 10.0 mi SSW 13.8 mph - N/A   Overcast