American Canyon, CA

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

Weather History for KAPC - October, 2011

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Friday, October 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 59 °F 58 °F  
Max Temperature 76 °F 73 °F 87 °F (1999)
Min Temperature 42 °F 42 °F 35 °F (2004)
Degree Days  
Heating Degree Days 6    
Month to date heating degree days 74  
Since 1 July heating degree days 155  
Cooling Degree Days 0    
Month to date cooling degree days 13  
Year to date cooling degree days 174  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in - 0.76 in (1985)
Month to date precipitation 1.17  
Year to date precipitation 17.05  
Since 1 July precipitation 1.20  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 8 mph    
Max Gust Speed 20 mph    
Visibility 6 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

Oct. 21, 2011 Rise Set
Actual Time 7:23 AM PDT 6:23 PM PDT
Civil Twilight 6:56 AM PDT 6:50 PM PDT
Nautical Twilight 6:26 AM PDT 7:20 PM PDT
Astronomical Twilight 5:55 AM PDT 7:51 PM PDT
Moon 1:24 AM PDT (10/21) 3:06 PM PDT (10/21)
Length of Visible Light 11h 53m
Length of Day
10h 59m
Waning Crescent, 32% of the Moon is Illuminated
Oct 21
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

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% 30.05 in 8.0 mi Calm Calm - N/A   Clear
1:51 AM 48.2 °F 46.4 °F 93% 30.08 in 0.8 mi Calm Calm - N/A   Clear
1:54 AM 48.0 °F 46.9 °F 96% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
2:04 AM 46.4 °F 44.6 °F 93% 30.09 in 0.2 mi Calm Calm - N/A Fog Fog
2:54 AM 44.1 °F 42.1 °F 93% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
3:54 AM 45.0 °F 44.1 °F 97% 30.07 in 0.2 mi Calm Calm - N/A Fog Fog
4:54 AM 48.0 °F 46.9 °F 96% 30.08 in 0.2 mi Calm Calm - N/A Fog Fog
5:54 AM 48.9 °F 48.0 °F 97% 30.09 in 0.2 mi Calm Calm - N/A Fog Fog
6:54 AM 51.1 °F 50.0 °F 96% 30.10 in 0.2 mi Calm Calm - 0.01 in Fog Fog
7:54 AM 52.0 °F 51.1 °F 97% 30.12 in 0.2 mi Calm Calm - N/A Fog Fog
8:45 AM 53.6 °F 51.8 °F 94% 30.17 in 0.8 mi Calm Calm - N/A   Overcast
8:52 AM 53.6 °F 51.8 °F 94% 30.17 in 2.0 mi Calm Calm - N/A   Overcast
8:54 AM 53.1 °F 52.0 °F 96% 30.14 in 2.0 mi NE 3.5 mph - N/A   Overcast
9:22 AM 53.6 °F 53.6 °F 100% 30.17 in 3.0 mi North 4.6 mph - N/A   Overcast
9:54 AM 55.0 °F 54.0 °F 96% 30.15 in 6.0 mi Calm Calm - N/A   Overcast
10:38 AM 57.2 °F 55.4 °F 94% 30.17 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 AM 57.9 °F 54.0 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:54 AM 63.0 °F 54.0 °F 72% 30.15 in 10.0 mi Variable 5.8 mph - N/A   Clear
12:54 PM 66.9 °F 54.0 °F 63% 30.14 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:54 PM 71.1 °F 55.0 °F 57% 30.11 in 10.0 mi SW 5.8 mph - N/A   Clear
2:54 PM 75.0 °F 55.0 °F 50% 30.09 in 10.0 mi SW 3.5 mph - N/A   Clear
3:54 PM 75.9 °F 55.0 °F 48% 30.07 in 10.0 mi SW 4.6 mph - N/A   Clear
4:54 PM 75.0 °F 55.9 °F 51% 30.06 in 10.0 mi South 4.6 mph - N/A   Clear
5:54 PM 70.0 °F 57.9 °F 65% 30.06 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:54 PM 64.9 °F 57.0 °F 75% 30.07 in 10.0 mi South 5.8 mph - N/A   Clear
7:54 PM 60.1 °F 55.0 °F 83% 30.07 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:54 PM 59.0 °F 54.0 °F 83% 30.07 in 10.0 mi SE 4.6 mph - N/A   Clear
9:54 PM 57.0 °F 53.1 °F 87% 30.08 in 10.0 mi ESE 4.6 mph - N/A   Clear
10:54 PM 55.9 °F 52.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Clear