Napa County, CA

2:58 AM PST on December 17, 2017 (GMT -0800)
Napa County

Weather History for KAPC - May, 2012

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Monday, May 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 61 °F  
Max Temperature 69 °F 75 °F 92 °F (2003)
Min Temperature 46 °F 47 °F 35 °F (2010)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 146  
Since 1 July heating degree days 3093  
Cooling Degree Days 0    
Month to date cooling degree days 6  
Year to date cooling degree days 13  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 72    
Maximum Humidity 96    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in - 1.18 in (1990)
Month to date precipitation 0.03  
Year to date precipitation 13.72  
Since 1 July precipitation 17.30  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 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

May. 28, 2012 Rise Set
Actual Time 5:49 AM PDT 8:24 PM PDT
Civil Twilight 5:18 AM PDT 8:55 PM PDT
Nautical Twilight 4:40 AM PDT 9:33 PM PDT
Astronomical Twilight 3:57 AM PDT 10:16 PM PDT
Moon 1:01 PM PDT (5/28) 1:07 AM PDT (5/28)
Length of Visible Light 15h 36m
Length of Day
14h 35m
Waxing Crescent, 49% of the Moon is Illuminated
May 28
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 50.0 °F 46.9 °F 89% 30.04 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 50.0 °F 46.9 °F 89% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:54 AM 48.9 °F 46.9 °F 93% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:54 AM 46.9 °F 44.1 °F 90% 30.02 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 48.9 °F 46.0 °F 90% 30.02 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:13 AM 50.0 °F 48.2 °F 94% 30.05 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
5:54 AM 50.0 °F 48.0 °F 93% 30.02 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
6:01 AM 50.0 °F 48.2 °F 94% 30.05 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:42 AM 50.0 °F 48.2 °F 94% 30.05 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
6:54 AM 50.0 °F 48.0 °F 93% 30.03 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
7:54 AM 52.0 °F 50.0 °F 93% 30.05 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
8:01 AM 51.8 °F 50.0 °F 94% 30.07 in 10.0 mi West 8.1 mph - N/A   Overcast
8:54 AM 54.0 °F 50.0 °F 86% 30.05 in 10.0 mi WSW 6.9 mph - N/A   Overcast
9:54 AM 57.0 °F 48.0 °F 72% 30.04 in 10.0 mi West 6.9 mph - N/A   Overcast
10:54 AM 62.1 °F 48.0 °F 60% 30.03 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
11:30 AM 64.4 °F 48.2 °F 56% 30.05 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
11:54 AM 64.0 °F 48.9 °F 58% 30.03 in 10.0 mi SSW 11.5 mph - N/A   Partly Cloudy
12:54 PM 66.9 °F 48.9 °F 52% 30.02 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
1:54 PM 66.9 °F 48.0 °F 51% 30.01 in 10.0 mi SW 15.0 mph - N/A   Clear
2:54 PM 66.9 °F 48.9 °F 52% 30.00 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Clear
3:54 PM 69.1 °F 48.0 °F 47% 29.99 in 10.0 mi WSW 11.5 mph 21.9 mph N/A   Clear
4:54 PM 66.9 °F 46.0 °F 47% 29.99 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Clear
5:54 PM 64.9 °F 46.9 °F 52% 29.98 in 10.0 mi WSW 12.7 mph - N/A   Clear
6:54 PM 62.1 °F 46.0 °F 56% 29.98 in 10.0 mi SW 11.5 mph - N/A   Clear
7:54 PM 57.9 °F 44.1 °F 60% 29.98 in 10.0 mi SW 11.5 mph - N/A   Clear
8:54 PM 54.0 °F 44.1 °F 69% 29.98 in 10.0 mi WSW 9.2 mph - N/A   Clear
9:54 PM 52.0 °F 45.0 °F 77% 29.99 in 10.0 mi SW 10.4 mph - N/A   Clear
10:54 PM 51.1 °F 45.0 °F 80% 29.99 in 10.0 mi SW 9.2 mph - N/A   Clear
11:54 PM 48.9 °F 44.1 °F 83% 29.99 in 10.0 mi SW 5.8 mph - N/A   Clear