Napa County, CA

1:03 PM PDT on August 23, 2017 (GMT -0700)
Napa County

Weather History for KAPC - January, 2012

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Wednesday, January 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 45 °F  
Max Temperature 67 °F 54 °F 67 °F (2012)
Min Temperature 32 °F 36 °F 22 °F (2009)
Degree Days  
Heating Degree Days 15    
Month to date heating degree days 63  
Since 1 July heating degree days 1331  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 38 °F    
Average Humidity 71    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - 5.69 in (1982)
Month to date precipitation 0.00  
Year to date precipitation 0.00  
Since 1 July precipitation 3.58  
Sea Level Pressure  
Sea Level Pressure 30.32 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 8 mph    
Max Gust Speed 21 mph    
Visibility 7 miles    
Events Fog    
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

Jan. 04, 2012 Rise Set
Actual Time 7:26 AM PST 5:02 PM PST
Civil Twilight 6:56 AM PST 5:31 PM PST
Nautical Twilight 6:23 AM PST 6:04 PM PST
Astronomical Twilight 5:51 AM PST 6:36 PM PST
Moon 1:28 PM PST (1/4) 3:20 AM PST (1/4)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waxing Gibbous, 81% of the Moon is Illuminated
Jan 4
Waxing Gibbous
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New
Jan 30
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 42.1 °F 39.2 °F 39.9 °F 92% 30.30 in 10.0 mi North 4.6 mph - N/A   Clear
1:54 AM 39.0 °F 35.7 °F 37.0 °F 93% 30.30 in 9.0 mi North 4.6 mph - N/A   Clear
2:54 AM 35.1 °F - 33.1 °F 92% 30.30 in 6.0 mi Calm Calm - N/A   Clear
3:54 AM 39.0 °F - 37.0 °F 93% 30.31 in 7.0 mi Calm Calm - N/A   Clear
4:03 AM 35.6 °F - 33.8 °F 93% 30.33 in 1.5 mi Calm Calm - N/A   Clear
4:14 AM 35.6 °F - 33.8 °F 93% 30.33 in 3.0 mi Calm Calm - N/A   Clear
4:22 AM 35.6 °F - 33.8 °F 93% 30.33 in 1.8 mi Calm Calm - N/A   Clear
4:42 AM 35.6 °F - 33.8 °F 93% 30.33 in 0.8 mi Calm Calm - N/A   Clear
4:52 AM 33.8 °F - 33.8 °F 100% 30.33 in 0.5 mi Calm Calm - N/A Fog Fog
4:54 AM 34.0 °F - 33.1 °F 96% 30.30 in 0.5 mi Calm Calm - N/A Fog Fog
5:06 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.33 in 1.0 mi NNW 4.6 mph - N/A   Mist
5:10 AM 35.6 °F 29.9 °F 33.8 °F 93% 30.34 in 2.5 mi NNW 6.9 mph - N/A   Partly Cloudy
5:17 AM 35.6 °F 31.7 °F 33.8 °F 93% 30.34 in 6.0 mi NNW 4.6 mph - N/A   Partly Cloudy
5:54 AM 36.0 °F - 34.0 °F 93% 30.32 in 4.0 mi Calm Calm - N/A   Clear
6:22 AM 33.8 °F - 33.8 °F 100% 30.36 in 1.5 mi Calm Calm - N/A   Clear
6:25 AM 33.8 °F - 33.8 °F 100% 30.36 in 0.5 mi Calm Calm - N/A Fog Fog
6:39 AM 33.8 °F - 32.0 °F 93% 30.37 in 3.0 mi Calm Calm - N/A   Clear
6:54 AM 34.0 °F - 33.1 °F 96% 30.34 in 7.0 mi Calm Calm - N/A   Clear
8:54 AM 45.0 °F - 41.0 °F 86% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 52.0 °F - 43.0 °F 71% 30.39 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 57.9 °F - 43.0 °F 58% 30.38 in 10.0 mi West 3.5 mph - N/A   Clear
11:54 AM - - - N/A% 30.35 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 63.0 °F - 43.0 °F 48% 30.32 in 10.0 mi SW 5.8 mph - N/A   Clear
1:54 PM 66.0 °F - 44.1 °F 45% 30.29 in 10.0 mi Calm Calm - N/A   Clear
2:54 PM 66.0 °F - 42.1 °F 42% 30.28 in 10.0 mi SE 6.9 mph - N/A   Clear
3:54 PM 62.1 °F - 43.0 °F 50% 30.27 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 55.0 °F - 43.0 °F 64% 30.27 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:54 PM 51.1 °F - 42.1 °F 71% 30.27 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 48.9 °F - 42.1 °F 77% 30.29 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 45.0 °F - 37.9 °F 76% 30.29 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 43.0 °F - 39.0 °F 86% 30.29 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 43.0 °F - 41.0 °F 93% 30.30 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 41.0 °F 38.0 °F 37.9 °F 89% 30.29 in 10.0 mi South 4.6 mph - N/A   Clear
11:54 PM 45.0 °F 42.6 °F 41.0 °F 86% 30.28 in 10.0 mi SE 4.6 mph - N/A   Clear