Napa County, CA

5:32 PM PDT on June 25, 2017 (GMT -0700)
Napa County

Weather History for KAPC - September, 2012

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Saturday, September 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F 62 °F  
Max Temperature 77 °F 78 °F 96 °F (1999)
Min Temperature 52 °F 46 °F 37 °F (2007)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 80  
Since 1 July heating degree days 135  
Cooling Degree Days 0    
Month to date cooling degree days 10  
Year to date cooling degree days 163  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 71    
Maximum Humidity 96    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - 0.48 in (1930)
Month to date precipitation 0.00  
Year to date precipitation 13.77  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 12 mph    
Max Gust Speed 14 mph    
Visibility 9 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. 29, 2012 Rise Set
Actual Time 7:03 AM PDT 6:54 PM PDT
Civil Twilight 6:37 AM PDT 7:20 PM PDT
Nautical Twilight 6:06 AM PDT 7:51 PM PDT
Astronomical Twilight 5:35 AM PDT 8:21 PM PDT
Moon 6:30 PM PDT (9/29) 6:39 AM PDT (9/29)
Length of Visible Light 12h 43m
Length of Day
11h 50m
Full, 100% of the Moon is Illuminated
Sep 29
Full
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 53.1 °F 51.1 °F 93% 29.94 in 10.0 mi West 6.9 mph - N/A   Clear
1:21 AM 53.6 °F 51.8 °F 94% 29.97 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
1:54 AM 54.0 °F 51.1 °F 90% 29.95 in 10.0 mi West 5.8 mph - N/A   Overcast
2:54 AM 54.0 °F 51.1 °F 90% 29.95 in 10.0 mi West 6.9 mph - N/A   Overcast
3:54 AM 53.1 °F 50.0 °F 89% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Overcast
4:18 AM 53.6 °F 50.0 °F 88% 29.99 in 10.0 mi West 9.2 mph - N/A   Overcast
4:54 AM 52.0 °F 50.0 °F 93% 29.96 in 9.0 mi West 5.8 mph - N/A   Overcast
5:54 AM 52.0 °F 50.0 °F 93% 29.98 in 7.0 mi Calm Calm - N/A   Overcast
6:54 AM 52.0 °F 50.0 °F 93% 29.98 in 7.0 mi WSW 3.5 mph - N/A   Overcast
7:54 AM 52.0 °F 50.0 °F 93% 30.00 in 8.0 mi WSW 4.6 mph - N/A   Overcast
8:36 AM 51.8 °F 50.0 °F 94% 30.03 in 3.0 mi Calm Calm - N/A   Overcast
8:54 AM 52.0 °F 50.0 °F 93% 30.01 in 3.0 mi West 3.5 mph - N/A   Overcast
8:57 AM 51.8 °F 50.0 °F 94% 30.04 in 1.8 mi Calm Calm - N/A   Overcast
9:07 AM 51.8 °F 50.0 °F 94% 30.04 in 3.0 mi Calm Calm - N/A   Overcast
9:33 AM 53.6 °F 50.0 °F 88% 30.05 in 10.0 mi WSW 3.5 mph - N/A   Overcast
9:54 AM 55.0 °F 50.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
10:04 AM 55.4 °F 50.0 °F 82% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:29 AM 57.2 °F 50.0 °F 77% 30.05 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:54 AM 60.1 °F 50.0 °F 69% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 AM 63.0 °F 52.0 °F 67% 30.01 in 10.0 mi SSW 6.9 mph - N/A   Clear
12:54 PM 66.0 °F 53.1 °F 63% 30.00 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:54 PM 71.1 °F 52.0 °F 51% 29.97 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:54 PM 75.0 °F 53.1 °F 46% 29.95 in 10.0 mi SSW 5.8 mph - N/A   Clear
3:54 PM 75.0 °F 55.0 °F 50% 29.94 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:54 PM 75.9 °F 55.0 °F 48% 29.93 in 10.0 mi South 5.8 mph - N/A   Clear
5:54 PM 73.9 °F 55.0 °F 52% 29.93 in 10.0 mi South 5.8 mph - N/A   Clear
6:54 PM 64.9 °F 55.0 °F 70% 29.94 in 10.0 mi SSW 4.6 mph - N/A   Clear
7:54 PM 62.1 °F 55.0 °F 78% 29.95 in 10.0 mi South 5.8 mph - N/A   Clear
8:54 PM 61.0 °F 52.0 °F 72% 29.97 in 10.0 mi South 6.9 mph - N/A   Clear
9:54 PM 57.9 °F 54.0 °F 87% 30.00 in 10.0 mi SSW 10.4 mph - N/A   Clear
10:54 PM 57.9 °F 54.0 °F 87% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 55.0 °F 52.0 °F 89% 30.01 in 10.0 mi ESE 3.5 mph - N/A   Clear