Napa County, CA

3:26 PM PST on January 20, 2018 (GMT -0800)
Napa County

Weather History for KAPC - December, 2013

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Monday, December 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 46 °F  
Max Temperature 64 °F 55 °F 69 °F (2011)
Min Temperature 34 °F 36 °F 28 °F (2006)
Degree Days  
Heating Degree Days 16    
Month to date heating degree days 390  
Since 1 July heating degree days 1069  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 303  
Moisture  
Dew Point 35 °F    
Average Humidity 63    
Maximum Humidity 92    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - 1.06 in (1970)
Month to date precipitation 0.47  
Year to date precipitation 4.17  
Since 1 July precipitation 2.20  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 9 mph (ENE)    
Max Wind Speed 28 mph    
Max Gust Speed 45 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. 16, 2013 Rise Set
Actual Time 7:19 AM PST 4:50 PM PST
Civil Twilight 6:49 AM PST 5:20 PM PST
Nautical Twilight 6:16 AM PST 5:53 PM PST
Astronomical Twilight 5:44 AM PST 6:25 PM PST
Moon 4:44 PM PST (12/16) 6:33 AM PST (12/16)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Full, 100% of the Moon is Illuminated
Dec 16
Full
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

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 36.0 °F 26.7 °F 32.0 °F 86% 30.23 in 10.0 mi North 15.0 mph 29.9 mph N/A   Squalls
1:54 AM 36.0 °F - 33.1 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 36.0 °F 32.1 °F 33.1 °F 89% 30.21 in 9.0 mi North 4.6 mph - N/A   Clear
3:54 AM 35.1 °F 30.1 °F 32.0 °F 89% 30.19 in 10.0 mi NNE 5.8 mph - N/A   Clear
4:54 AM 35.1 °F - 32.0 °F 89% 30.19 in 10.0 mi North - - N/A   Clear
5:54 AM 44.1 °F - 34.0 °F 68% 30.18 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 46.9 °F - 34.0 °F 61% 30.18 in 10.0 mi East 12.7 mph 18.4 mph N/A   Clear
7:54 AM 39.0 °F 34.0 °F 32.0 °F 76% 30.19 in 10.0 mi NNE 6.9 mph - N/A   Clear
8:54 AM 50.0 °F - 33.1 °F 52% 30.19 in 10.0 mi East 12.7 mph 18.4 mph N/A   Clear
9:54 AM 52.0 °F - 34.0 °F 50% 30.19 in 10.0 mi East 20.7 mph 27.6 mph N/A   Clear
10:54 AM 54.0 °F - 36.0 °F 51% 30.19 in 10.0 mi East 19.6 mph 26.5 mph N/A   Clear
11:54 AM 57.9 °F - 36.0 °F 44% 30.15 in 10.0 mi East 17.3 mph 25.3 mph N/A   Clear
12:54 PM 60.1 °F - 37.0 °F 42% 30.13 in 10.0 mi East 12.7 mph 23.0 mph N/A   Clear
1:54 PM 64.0 °F - 36.0 °F 35% 30.11 in 10.0 mi ESE 16.1 mph 21.9 mph N/A   Clear
2:54 PM 63.0 °F - 36.0 °F 37% 30.11 in 10.0 mi East 13.8 mph - N/A   Clear
3:54 PM 61.0 °F - 36.0 °F 39% 30.11 in 10.0 mi East 12.7 mph - N/A   Clear
4:54 PM 57.0 °F - 36.0 °F 45% 30.11 in 9.0 mi East 11.5 mph - N/A   Clear
5:54 PM 55.9 °F - 36.0 °F 47% 30.12 in 9.0 mi East 12.7 mph - N/A   Clear
6:54 PM 50.0 °F - 35.1 °F 57% 30.12 in 9.0 mi East 5.8 mph - N/A   Clear
7:54 PM 46.0 °F 44.8 °F 35.1 °F 66% 30.13 in 9.0 mi Variable 3.5 mph - N/A   Clear
8:54 PM 44.1 °F - 36.0 °F 73% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 43.0 °F - 35.1 °F 74% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 42.1 °F 40.2 °F 35.1 °F 76% 30.15 in 10.0 mi NNW 3.5 mph - N/A   Clear
11:54 PM 39.0 °F 35.7 °F 34.0 °F 82% 30.15 in 9.0 mi NNW 4.6 mph - N/A   Clear