American Canyon, CA

3:13 PM PST on January 18, 2017 (GMT -0800)
Napa County

Weather History for KAPC - May, 2012

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Sunday, May 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 58 °F  
Max Temperature 67 °F 72 °F 89 °F (2014)
Min Temperature 48 °F 45 °F 37 °F (1999)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 65  
Since 1 July heating degree days 3012  
Cooling Degree Days 0    
Month to date cooling degree days 6  
Year to date cooling degree days 13  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 63    
Precipitation  
Precipitation 0.00 in - 1.00 in (1941)
Month to date precipitation 0.01  
Year to date precipitation 13.70  
Since 1 July precipitation 17.28  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 26 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. 13, 2012 Rise Set
Actual Time 5:59 AM PDT 8:11 PM PDT
Civil Twilight 5:29 AM PDT 8:41 PM PDT
Nautical Twilight 4:53 AM PDT 9:17 PM PDT
Astronomical Twilight 4:14 AM PDT 9:57 PM PDT
Moon 2:01 AM PDT (5/13) 1:44 PM PDT (5/13)
Length of Visible Light 15h 11m
Length of Day
14h 12m
Last Quarter, 41% of the Moon is Illuminated
May 13
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 50.0 °F 46.4 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:28 AM 51.8 °F 48.2 °F 88% 30.05 in 10.0 mi West 4.6 mph - N/A   Overcast
12:54 AM 52.0 °F 48.9 °F 89% 30.03 in 9.0 mi West 4.6 mph - N/A   Overcast
1:54 AM 48.9 °F 46.0 °F 90% 30.01 in 7.0 mi West 5.8 mph - N/A   Scattered Clouds
2:54 AM 48.0 °F 46.0 °F 93% 30.01 in 7.0 mi West 8.1 mph - N/A   Clear
3:28 AM 48.2 °F 46.4 °F 93% 30.05 in 7.0 mi West 9.2 mph - N/A   Scattered Clouds
3:38 AM 48.2 °F 46.4 °F 93% 30.05 in 6.0 mi West 8.1 mph - N/A   Mostly Cloudy
3:54 AM 50.0 °F 46.9 °F 89% 30.02 in 7.0 mi WNW 8.1 mph - N/A   Overcast
5:54 AM 50.0 °F 46.9 °F 89% 30.04 in 10.0 mi West 11.5 mph - N/A   Overcast
6:19 AM 50.0 °F 46.4 °F 87% 30.07 in 10.0 mi West 11.5 mph - N/A   Overcast
6:54 AM 51.1 °F 46.0 °F 83% 30.04 in 10.0 mi WNW 10.4 mph - N/A   Overcast
7:54 AM 51.1 °F 46.0 °F 83% 30.05 in 10.0 mi West 10.4 mph - N/A   Overcast
8:54 AM 53.1 °F 46.9 °F 80% 30.05 in 10.0 mi West 3.5 mph - N/A   Overcast
10:54 AM 57.9 °F 48.9 °F 72% 30.05 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
11:33 AM 60.8 °F 50.0 °F 68% 30.07 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
11:54 AM 63.0 °F 51.1 °F 65% 30.05 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
12:34 PM 60.8 °F 51.8 °F 72% 30.07 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
12:45 PM 62.6 °F 51.8 °F 68% 30.07 in 10.0 mi SW 13.8 mph 20.7 mph N/A   Scattered Clouds
12:54 PM 62.1 °F 51.1 °F 67% 30.04 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
1:54 PM 64.9 °F 53.1 °F 65% 30.03 in 10.0 mi SSW 15.0 mph - N/A   Clear
2:54 PM 66.9 °F 54.0 °F 63% 30.01 in 10.0 mi SW 13.8 mph 19.6 mph N/A   Clear
3:54 PM 64.9 °F 53.1 °F 65% 30.00 in 10.0 mi South 16.1 mph 24.2 mph N/A   Clear
4:54 PM 63.0 °F 52.0 °F 67% 29.99 in 10.0 mi SSW 20.7 mph - N/A   Clear
5:54 PM 64.9 °F 51.1 °F 61% 29.99 in 10.0 mi West 15.0 mph - N/A   Clear
6:54 PM 60.1 °F 48.9 °F 67% 30.00 in 10.0 mi West 17.3 mph - N/A   Clear
7:54 PM 57.9 °F 48.0 °F 70% 30.01 in 10.0 mi West 17.3 mph - N/A   Clear
8:54 PM 55.0 °F 46.9 °F 74% 30.03 in 10.0 mi West 13.8 mph - N/A   Clear
9:54 PM 55.0 °F 46.9 °F 74% 30.04 in 10.0 mi West 15.0 mph - N/A   Clear
10:14 PM 55.4 °F 46.4 °F 72% 30.06 in 10.0 mi West 15.0 mph 19.6 mph N/A   Mostly Cloudy
10:44 PM 55.4 °F 48.2 °F 77% 30.07 in 10.0 mi WSW 13.8 mph - N/A   Partly Cloudy
10:54 PM 55.0 °F 48.0 °F 77% 30.05 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
11:02 PM 55.4 °F 48.2 °F 77% 30.07 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy