Napa County, CA

7:53 PM PDT on October 18, 2017 (GMT -0700)
Napa County

Weather History for KAPC - October, 2012

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Sunday, October 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F 58 °F  
Max Temperature 70 °F 73 °F 87 °F (1999)
Min Temperature 41 °F 42 °F 35 °F (2004)
Degree Days  
Heating Degree Days 9    
Month to date heating degree days 73  
Since 1 July heating degree days 208  
Cooling Degree Days 0    
Month to date cooling degree days 36  
Year to date cooling degree days 204  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 41 °F    
Average Humidity 58    
Maximum Humidity 89    
Minimum Humidity 26    
Precipitation  
Precipitation 0.11 in - 0.76 in (1985)
Month to date precipitation 0.13  
Year to date precipitation 13.90  
Since 1 July precipitation 0.13  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 23 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
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, 2012 Rise Set
Actual Time 7:24 AM PDT 6:22 PM PDT
Civil Twilight 6:57 AM PDT 6:49 PM PDT
Nautical Twilight 6:26 AM PDT 7:19 PM PDT
Astronomical Twilight 5:56 AM PDT 7:50 PM PDT
Moon 1:47 PM PDT (10/21) No Moon Set
Length of Visible Light 11h 51m
Length of Day
10h 57m
Waxing Crescent, 46% of the Moon is Illuminated
Oct 21
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 54.0 °F - 45.0 °F 72% 29.82 in 10.0 mi West 6.9 mph - N/A   Clear
1:54 AM 46.9 °F - 41.0 °F 80% 29.82 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 46.0 °F 43.1 °F 39.9 °F 79% 29.83 in 10.0 mi West 5.8 mph - N/A   Clear
3:54 AM 46.9 °F - 41.0 °F 80% 29.83 in 10.0 mi NW 3.5 mph - N/A   Clear
4:54 AM 44.1 °F - 39.9 °F 85% 29.83 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 42.1 °F - 37.9 °F 85% 29.84 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 44.1 °F 42.5 °F 39.9 °F 85% 29.85 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:54 AM 43.0 °F - 39.9 °F 89% 29.86 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 48.9 °F - 45.0 °F 86% 29.88 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 52.0 °F - 43.0 °F 71% 29.90 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 57.9 °F - 39.9 °F 51% 29.90 in 10.0 mi WNW 4.6 mph - N/A   Clear
11:54 AM 60.1 °F - 37.9 °F 44% 29.90 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:54 PM 63.0 °F - 39.9 °F 43% 29.88 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:54 PM 66.0 °F - 39.9 °F 38% 29.86 in 10.0 mi SSW 13.8 mph - N/A   Clear
2:54 PM 69.1 °F - 33.1 °F 26% 29.84 in 10.0 mi WSW 9.2 mph - N/A   Clear
3:54 PM 68.0 °F - 34.0 °F 28% 29.83 in 10.0 mi WSW 15.0 mph - N/A   Clear
4:54 PM 64.0 °F - 39.9 °F 41% 29.83 in 10.0 mi West 18.4 mph 25.3 mph N/A   Clear
5:54 PM 60.1 °F - 39.9 °F 47% 29.82 in 10.0 mi WSW 19.6 mph - N/A   Clear
6:54 PM 57.0 °F - 43.0 °F 59% 29.83 in 10.0 mi WSW 11.5 mph - N/A   Clear
7:54 PM 55.0 °F - 45.0 °F 69% 29.84 in 10.0 mi WSW 15.0 mph - N/A   Clear
8:54 PM 54.0 °F - 46.9 °F 77% 29.83 in 10.0 mi West 8.1 mph - N/A   Clear
9:54 PM 54.0 °F - 46.9 °F 77% 29.83 in 10.0 mi West 8.1 mph - N/A   Clear
10:54 PM 55.0 °F - 46.9 °F 74% 29.83 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
11:54 PM 53.1 °F - 48.9 °F 86% 29.82 in 10.0 mi Calm Calm - 0.01 in Rain Light Rain