Napa County, CA

11:47 AM PDT on April 29, 2017 (GMT -0700)
Napa County

Weather History for KAPC - December, 2011

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Sunday, December 25, 2011

  Actual Average Record
Temperature  
Mean Temperature 41 °F 45 °F  
Max Temperature 56 °F 55 °F 65 °F (2013)
Min Temperature 25 °F 36 °F 24 °F (1990)
Degree Days  
Heating Degree Days 24    
Month to date heating degree days 487  
Since 1 July heating degree days 1157  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 175  
Moisture  
Dew Point 28 °F    
Average Humidity 67    
Maximum Humidity 92    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - 1.65 in (1940)
Month to date precipitation 0.13  
Year to date precipitation 19.40  
Since 1 July precipitation 3.55  
Sea Level Pressure  
Sea Level Pressure 30.36 in    
Wind  
Wind Speed 2 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed 14 mph    
Visibility 7 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. 25, 2011 Rise Set
Actual Time 7:23 AM PST 4:54 PM PST
Civil Twilight 6:54 AM PST 5:24 PM PST
Nautical Twilight 6:21 AM PST 5:57 PM PST
Astronomical Twilight 5:48 AM PST 6:29 PM PST
Moon 8:06 AM PST (12/25) 6:20 PM PST (12/25)
Length of Visible Light 10h 30m
Length of Day
9h 30m
New Moon, 2% of the Moon is Illuminated
Dec 25
New Moon
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 30.9 °F 26.2 °F 27.0 °F 85% 30.39 in 10.0 mi North 4.6 mph - N/A   Clear
1:54 AM 32.0 °F - 25.0 °F 75% 30.38 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 30.9 °F - 25.0 °F 79% 30.38 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 26.1 °F - 23.0 °F 88% 30.38 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 28.0 °F - 24.1 °F 85% 30.40 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 26.1 °F 21.9 °F 21.9 °F 84% 30.39 in 10.0 mi East 3.5 mph - N/A   Clear
6:54 AM 28.9 °F - 24.1 °F 82% 30.40 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 28.0 °F - 24.1 °F 85% 30.41 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 34.0 °F - 30.0 °F 85% 30.43 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 39.9 °F - 32.0 °F 73% 30.44 in 7.0 mi Calm Calm - N/A   Clear
10:54 AM 46.0 °F - 33.1 °F 61% 30.43 in 8.0 mi Calm Calm - N/A   Clear
11:54 AM 48.0 °F - 35.1 °F 61% 30.39 in 6.0 mi WSW 5.8 mph - N/A   Haze
12:54 PM 48.9 °F - 32.0 °F 52% 30.34 in 7.0 mi South 4.6 mph - N/A   Clear
1:54 PM 54.0 °F - 34.0 °F 47% 30.33 in 6.0 mi Variable 4.6 mph - N/A   Haze
2:54 PM 55.9 °F - 33.1 °F 42% 30.32 in 5.0 mi West 3.5 mph - N/A   Haze
3:54 PM 55.0 °F - 32.0 °F 42% 30.31 in 5.0 mi Calm Calm - N/A   Haze
4:54 PM 46.0 °F 43.9 °F 36.0 °F 68% 30.30 in 4.0 mi SSW 4.6 mph - N/A   Haze
5:54 PM 35.1 °F 32.2 °F 28.0 °F 76% 30.31 in 5.0 mi ENE 3.5 mph - N/A   Haze
6:54 PM 39.0 °F 36.8 °F 30.9 °F 73% 30.31 in 6.0 mi East 3.5 mph - N/A   Haze
7:54 PM 32.0 °F - 27.0 °F 82% 30.31 in 5.0 mi Calm Calm - N/A   Haze
8:54 PM 30.9 °F - 27.0 °F 85% 30.30 in 5.0 mi Calm Calm - N/A   Clear
9:54 PM 28.9 °F - 24.1 °F 82% 30.31 in 5.0 mi Calm Calm - N/A   Haze
10:54 PM 30.9 °F - 28.0 °F 89% 30.31 in 5.0 mi Calm Calm - N/A   Clear
11:54 PM 30.0 °F 26.5 °F 26.1 °F 85% 30.30 in 5.0 mi North 3.5 mph - N/A   Clear