American Canyon, CA

7:39 AM PST on February 23, 2017 (GMT -0800)
Napa County

Weather History for KAPC - May, 2012

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Saturday, May 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 61 °F 58 °F  
Max Temperature 77 °F 72 °F 84 °F (2014)
Min Temperature 44 °F 45 °F 37 °F (2000)
Degree Days  
Heating Degree Days 4    
Month to date heating degree days 58  
Since 1 July heating degree days 3005  
Cooling Degree Days 0    
Month to date cooling degree days 6  
Year to date cooling degree days 13  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 73    
Maximum Humidity 93    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - 0.68 in (1925)
Month to date precipitation 0.01  
Year to date precipitation 13.70  
Since 1 July precipitation 17.28  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 22 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

May. 12, 2012 Rise Set
Actual Time 6:00 AM PDT 8:11 PM PDT
Civil Twilight 5:30 AM PDT 8:40 PM PDT
Nautical Twilight 4:54 AM PDT 9:16 PM PDT
Astronomical Twilight 4:15 AM PDT 9:56 PM PDT
Moon 1:29 AM PDT (5/12) 12:42 PM PDT (5/12)
Length of Visible Light 15h 09m
Length of Day
14h 10m
Waning Gibbous, 51% of the Moon is Illuminated
May 12
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 54.0 °F 48.0 °F 80% 29.95 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:54 AM 53.1 °F 50.0 °F 89% 29.96 in 10.0 mi SSW 6.9 mph - N/A   Clear
2:54 AM 53.1 °F 50.0 °F 89% 29.96 in 9.0 mi Calm Calm - N/A   Clear
3:54 AM 48.9 °F 46.0 °F 90% 29.96 in 8.0 mi Calm Calm - N/A   Clear
4:54 AM 46.9 °F 45.0 °F 93% 29.96 in 9.0 mi Calm Calm - N/A   Clear
5:03 AM 46.4 °F 44.6 °F 93% 29.99 in 1.8 mi Calm Calm - N/A   Partly Cloudy
5:06 AM 46.4 °F 44.6 °F 93% 29.99 in 0.8 mi Calm Calm - N/A   Mist
5:13 AM 48.2 °F 46.4 °F 93% 29.99 in 0.2 mi Calm Calm - N/A Fog Fog
5:28 AM 48.2 °F 46.4 °F 93% 30.00 in 1.0 mi Calm Calm - N/A   Mist
5:31 AM 46.4 °F 46.4 °F 100% 30.00 in 2.0 mi Calm Calm - N/A   Scattered Clouds
5:38 AM 46.4 °F 46.4 °F 100% 30.00 in 9.0 mi Calm Calm - N/A   Partly Cloudy
5:47 AM 46.4 °F 44.6 °F 93% 30.00 in 1.8 mi Calm Calm - N/A   Clear
5:51 AM 44.6 °F 44.6 °F 100% 30.00 in 0.5 mi Calm Calm - N/A Fog Fog
5:54 AM 44.1 °F 43.0 °F 96% 29.98 in 0.2 mi Calm Calm - N/A Fog Fog
6:10 AM 46.4 °F 44.6 °F 93% 30.01 in 1.2 mi Calm Calm - N/A   Partly Cloudy
6:13 AM 46.4 °F 44.6 °F 93% 30.01 in 3.0 mi Calm Calm - N/A   Partly Cloudy
6:54 AM 53.1 °F 52.0 °F 96% 30.00 in 6.0 mi South 4.6 mph - N/A   Clear
7:16 AM 53.6 °F 51.8 °F 94% 30.03 in 7.0 mi SSE 5.8 mph - N/A   Partly Cloudy
7:54 AM 55.0 °F 52.0 °F 89% 30.02 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
8:54 AM 57.9 °F 52.0 °F 81% 30.03 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
9:54 AM 60.1 °F 52.0 °F 75% 30.03 in 10.0 mi SSW 4.6 mph - N/A   Clear
10:54 AM 64.0 °F 51.1 °F 63% 30.02 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:54 AM 68.0 °F 53.1 °F 59% 30.02 in 10.0 mi South 6.9 mph - N/A   Clear
12:54 PM 71.1 °F 53.1 °F 53% 30.01 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:54 PM 73.9 °F 55.0 °F 52% 30.00 in 10.0 mi SSW 6.9 mph - N/A   Clear
2:54 PM 75.9 °F 57.0 °F 52% 29.98 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:54 PM 75.9 °F 57.0 °F 52% 29.96 in 10.0 mi SSW 9.2 mph - N/A   Clear
4:54 PM 73.9 °F 55.0 °F 52% 29.95 in 10.0 mi SSW 11.5 mph - N/A   Clear
5:54 PM 69.1 °F 54.0 °F 58% 29.96 in 10.0 mi SSW 12.7 mph - N/A   Clear
6:54 PM 63.0 °F 53.1 °F 70% 29.96 in 10.0 mi South 12.7 mph - N/A   Clear
7:54 PM 59.0 °F 52.0 °F 78% 29.98 in 10.0 mi South 9.2 mph - N/A   Clear
8:54 PM 55.9 °F 50.0 °F 80% 29.99 in 10.0 mi South 4.6 mph - N/A   Clear
9:54 PM 53.1 °F 46.0 °F 77% 30.01 in 10.0 mi South 3.5 mph - N/A   Clear
10:54 PM 52.0 °F 48.0 °F 86% 30.01 in 10.0 mi SW 6.9 mph - N/A   Clear
11:54 PM 50.0 °F 45.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Scattered Clouds