American Canyon, CA

3:13 PM PST on January 18, 2017 (GMT -0800)
Napa County

Weather History for KAPC - December, 2011

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Thursday, December 1, 2011

  Actual Average Record
Temperature  
Mean Temperature 57 °F 47 °F  
Max Temperature 69 °F 58 °F 69 °F (2011)
Min Temperature 45 °F 37 °F 20 °F (2007)
Degree Days  
Heating Degree Days 8    
Month to date heating degree days 8  
Since 1 July heating degree days 678  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 175  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 20 °F    
Average Humidity 24    
Maximum Humidity 35    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in - 2.30 in (1951)
Month to date precipitation 0.00  
Year to date precipitation 19.27  
Since 1 July precipitation 3.42  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 17 mph (North)    
Max Wind Speed 29 mph    
Max Gust Speed 37 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

Dec. 01, 2011 Rise Set
Actual Time 7:06 AM PST 4:49 PM PST
Civil Twilight 6:37 AM PST 5:18 PM PST
Nautical Twilight 6:04 AM PST 5:51 PM PST
Astronomical Twilight 5:33 AM PST 6:22 PM PST
Moon 11:58 AM PST (12/1) 11:49 PM PST (12/1)
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waxing Crescent, 44% of the Moon is Illuminated
Dec 1
Waxing Crescent
Dec 2
First Quarter
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 54.0 °F 25.0 °F 33% 30.23 in 10.0 mi NNW 11.5 mph - N/A   Clear
1:54 AM 55.0 °F 24.1 °F 30% 30.24 in 10.0 mi NNW 12.7 mph - N/A   Clear
2:54 AM 55.0 °F 23.0 °F 29% 30.25 in 10.0 mi North 16.1 mph - N/A   Clear
3:54 AM 51.1 °F 25.0 °F 36% 30.24 in 10.0 mi North 11.5 mph - N/A   Clear
4:54 AM 50.0 °F 21.9 °F 33% 30.24 in 10.0 mi North 8.1 mph - N/A   Clear
5:54 AM 48.9 °F 19.9 °F 32% 30.24 in 10.0 mi North 5.8 mph - N/A   Clear
7:54 AM 55.0 °F 21.9 °F 28% 30.23 in 10.0 mi NNW 13.8 mph - N/A   Clear
8:54 AM 59.0 °F 19.9 °F 22% 30.23 in 10.0 mi North 19.6 mph 23.0 mph N/A   Clear
9:54 AM 62.1 °F 21.0 °F 21% 30.20 in 10.0 mi North 21.9 mph 27.6 mph N/A   Clear
10:54 AM 64.0 °F 19.0 °F 18% 30.19 in 10.0 mi North 20.7 mph 27.6 mph N/A   Clear
11:54 AM 66.9 °F 19.0 °F 16% 30.16 in 10.0 mi North 24.2 mph 31.1 mph N/A   Clear
12:54 PM 69.1 °F 18.0 °F 14% 30.12 in 10.0 mi North 20.7 mph 26.5 mph N/A   Clear
1:54 PM 68.0 °F 16.0 °F 14% 30.09 in 10.0 mi North 25.3 mph 36.8 mph N/A   Clear
2:54 PM 68.0 °F 18.0 °F 15% 30.07 in 10.0 mi North 21.9 mph 31.1 mph N/A   Clear
3:54 PM 66.9 °F 17.1 °F 15% 30.06 in 10.0 mi North 18.4 mph 27.6 mph N/A   Clear
4:54 PM 63.0 °F 18.0 °F 18% 30.06 in 10.0 mi North 17.3 mph - N/A   Clear
5:54 PM 61.0 °F 18.0 °F 19% 30.06 in 10.0 mi North 13.8 mph - N/A   Clear
6:54 PM 60.1 °F 19.0 °F 20% 30.05 in 10.0 mi North 16.1 mph - N/A   Clear
7:54 PM 60.1 °F 19.0 °F 20% 30.05 in 10.0 mi North 17.3 mph - N/A   Clear
9:54 PM 61.0 °F 17.1 °F 18% 30.04 in 10.0 mi North 23.0 mph 29.9 mph N/A   Clear
10:54 PM 62.1 °F 15.1 °F 16% 30.03 in 10.0 mi North 25.3 mph 32.2 mph N/A   Clear
11:54 PM 62.1 °F 15.1 °F 16% 30.02 in 10.0 mi North 21.9 mph 31.1 mph N/A   Clear