Napa County, CA

8:12 PM PDT on April 23, 2018 (GMT -0700)
Napa County

Weather History for KAPC - February, 2012

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Tuesday, February 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 50 °F  
Max Temperature 63 °F 61 °F 70 °F (2002)
Min Temperature 38 °F 39 °F 30 °F (2006)
Degree Days  
Heating Degree Days 14    
Month to date heating degree days 318  
Since 1 July heating degree days 2139  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 45 °F    
Average Humidity 80    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - 1.72 in (1917)
Month to date precipitation 0.87  
Year to date precipitation 4.87  
Since 1 July precipitation 8.45  
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 7 mph    
Max Gust Speed 14 mph    
Visibility 4 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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Astronomy

Feb. 21, 2012 Rise Set
Actual Time 6:52 AM PST 5:53 PM PST
Civil Twilight 6:25 AM PST 6:20 PM PST
Nautical Twilight 5:54 AM PST 6:51 PM PST
Astronomical Twilight 5:24 AM PST 7:21 PM PST
Moon 6:24 AM PST (2/21) 6:04 PM PST (2/21)
Length of Visible Light 11h 54m
Length of Day
11h 01m
Waning Crescent, 0% of the Moon is Illuminated
Feb 21
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:00 AM 42.8 °F - 41.0 °F 93% 30.23 in 3.0 mi Calm Calm - N/A   Partly Cloudy
12:54 AM 41.0 °F - 39.0 °F 93% 30.21 in 3.0 mi Calm Calm - N/A   Clear
1:54 AM 41.0 °F - 41.0 °F 100% 30.22 in 1.2 mi Calm Calm - N/A   Clear
1:59 AM 42.8 °F - 39.2 °F 87% 30.25 in 0.8 mi Calm Calm - N/A   Mist
2:07 AM 39.2 °F - 37.4 °F 93% 30.25 in 0.5 mi Calm Calm - N/A Fog Fog
2:18 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.24 in 0.8 mi SSE 3.5 mph - N/A   Mist
2:26 AM 39.2 °F - 37.4 °F 93% 30.25 in 0.5 mi Calm Calm - N/A Fog Fog
2:31 AM 39.2 °F - 37.4 °F 93% 30.24 in 0.8 mi Calm Calm - N/A   Mist
2:46 AM 42.8 °F 40.1 °F 41.0 °F 93% 30.23 in 0.2 mi SSE 4.6 mph - N/A Fog Fog
2:54 AM 45.0 °F - 44.1 °F 97% 30.21 in 0.2 mi Calm Calm - N/A Fog Fog
4:54 AM 46.0 °F 44.8 °F 44.1 °F 93% 30.22 in 0.2 mi NNE 3.5 mph - N/A Fog Fog
5:54 AM 45.0 °F 43.5 °F 44.1 °F 97% 30.24 in 0.2 mi NNW 3.5 mph - N/A Fog Fog
6:18 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.27 in 0.8 mi North 3.5 mph - N/A   Mist
6:26 AM 46.4 °F 42.9 °F 44.6 °F 93% 30.27 in 0.5 mi NNE 6.9 mph - N/A Fog Fog
6:49 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.27 in 1.0 mi North 3.5 mph - N/A   Mist
6:54 AM 45.0 °F 42.6 °F 44.1 °F 97% 30.25 in 1.2 mi North 4.6 mph - N/A   Overcast
7:41 AM 46.4 °F 43.5 °F 44.6 °F 93% 30.30 in 0.5 mi NNE 5.8 mph - N/A Fog Fog
7:54 AM 46.0 °F 44.8 °F 45.0 °F 96% 30.27 in 0.2 mi North 3.5 mph - N/A Fog Fog
8:54 AM 46.0 °F - 45.0 °F 96% 30.27 in 0.2 mi Calm Calm - N/A Fog Fog
9:54 AM 46.9 °F - 46.9 °F 100% 30.30 in 0.8 mi Calm Calm - N/A   Mist
10:03 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.32 in 0.5 mi NW 3.5 mph - N/A Fog Fog
10:15 AM 48.2 °F - 46.4 °F 93% 30.33 in 1.0 mi Calm Calm - N/A   Overcast
10:52 AM 50.0 °F - 48.2 °F 94% 30.32 in 2.0 mi Variable 3.5 mph - N/A   Overcast
10:54 AM 50.0 °F - 48.0 °F 93% 30.30 in 2.0 mi WSW 3.5 mph - N/A   Overcast
11:01 AM 48.2 °F - 48.2 °F 100% 30.32 in 3.0 mi Calm Calm - N/A   Overcast
11:18 AM 51.8 °F - 48.2 °F 88% 30.31 in 6.0 mi SW 5.8 mph - N/A   Scattered Clouds
11:54 AM 54.0 °F - 46.9 °F 77% 30.27 in 6.0 mi SW 4.6 mph - N/A   Haze
12:27 PM 57.2 °F - 46.4 °F 67% 30.28 in 10.0 mi SW 4.6 mph - N/A   Unknown
12:54 PM 59.0 °F - 48.0 °F 67% 30.25 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:54 PM 62.1 °F - 48.9 °F 62% 30.23 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:54 PM 63.0 °F - 51.1 °F 65% 30.21 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
3:54 PM 63.0 °F - 51.1 °F 65% 30.22 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:54 PM 55.9 °F - 48.9 °F 77% 30.20 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:54 PM 54.0 °F - 48.0 °F 80% 30.20 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 50.0 °F - 46.0 °F 86% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 50.0 °F - 46.9 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 46.9 °F - 45.0 °F 93% 30.23 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 46.0 °F 44.8 °F 44.1 °F 93% 30.23 in 10.0 mi SE 3.5 mph - N/A   Clear
11:54 PM 46.0 °F - 43.0 °F 89% 30.25 in 10.0 mi Calm Calm - N/A   Clear