Napa County, CA

7:54 PM PDT on September 20, 2017 (GMT -0700)
Napa County

Weather History for KAPC - May, 2013

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Tuesday, May 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 61 °F  
Max Temperature 76 °F 75 °F 92 °F (2003)
Min Temperature 55 °F 47 °F 35 °F (2010)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 96  
Since 1 July heating degree days 2840  
Cooling Degree Days 1    
Month to date cooling degree days 16  
Year to date cooling degree days 19  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 46    
Precipitation  
Precipitation 0.01 in - 1.18 in (1990)
Month to date precipitation 0.08  
Year to date precipitation 1.78  
Since 1 July precipitation 9.57  
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 9 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

May. 28, 2013 Rise Set
Actual Time 5:49 AM PDT 8:24 PM PDT
Civil Twilight 5:18 AM PDT 8:54 PM PDT
Nautical Twilight 4:40 AM PDT 9:33 PM PDT
Astronomical Twilight 3:57 AM PDT 10:15 PM PDT
Moon 11:53 PM PDT (5/28) 9:42 AM PDT (5/28)
Length of Visible Light 15h 36m
Length of Day
14h 34m
Waning Gibbous, 82% of the Moon is Illuminated
May 28
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 57.2 °F 55.4 °F 94% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Overcast
12:39 AM 57.2 °F 55.4 °F 94% 29.99 in 5.0 mi SW 8.1 mph - N/A   Overcast
12:46 AM 57.2 °F 55.4 °F 94% 29.99 in 7.0 mi SW 6.9 mph - N/A   Overcast
12:54 AM 57.0 °F 55.9 °F 96% 29.96 in 8.0 mi SW 8.1 mph - N/A   Overcast
1:13 AM 57.2 °F 55.4 °F 94% 29.98 in 7.0 mi SW 6.9 mph - N/A   Overcast
1:46 AM 57.2 °F 55.4 °F 94% 29.99 in 9.0 mi West 5.8 mph - N/A   Overcast
1:54 AM 57.0 °F 55.9 °F 96% 29.97 in 10.0 mi West 5.8 mph - N/A   Overcast
2:06 AM 57.2 °F 55.4 °F 94% 29.99 in 3.0 mi West 5.8 mph - 0.01 in Rain Light Rain
2:14 AM 57.2 °F 55.4 °F 94% 29.98 in 2.5 mi SW 4.6 mph - 0.01 in Rain Light Rain
2:17 AM 57.2 °F 55.4 °F 94% 29.98 in 3.0 mi SW 5.8 mph - 0.01 in Rain Light Rain
2:54 AM 57.0 °F 55.0 °F 93% 29.96 in 10.0 mi WSW 8.1 mph - 0.01 in   Overcast
3:18 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:46 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi WSW 6.9 mph - N/A   Overcast
3:54 AM 55.9 °F 55.0 °F 97% 29.94 in 10.0 mi WSW 6.9 mph - N/A   Overcast
4:01 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:33 AM 55.4 °F 55.4 °F 100% 29.97 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:46 AM 55.4 °F 53.6 °F 94% 29.97 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:54 AM 55.9 °F 54.0 °F 93% 29.94 in 10.0 mi WSW 5.8 mph - N/A   Overcast
5:12 AM 55.4 °F 53.6 °F 94% 29.97 in 10.0 mi WSW 8.1 mph - N/A   Overcast
5:21 AM 55.4 °F 53.6 °F 94% 29.97 in 10.0 mi West 6.9 mph - N/A   Overcast
5:54 AM 55.9 °F 54.0 °F 93% 29.95 in 10.0 mi West 4.6 mph - N/A   Overcast
6:49 AM 55.4 °F 53.6 °F 94% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:54 AM 55.9 °F 54.0 °F 93% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:54 AM 59.0 °F 55.9 °F 90% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
8:54 AM 60.1 °F 57.0 °F 90% 29.95 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
9:54 AM 63.0 °F 57.0 °F 81% 29.96 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
10:07 AM 62.6 °F 57.2 °F 82% 29.98 in 10.0 mi West 12.7 mph - N/A   Overcast
10:54 AM 64.0 °F 53.1 °F 67% 29.96 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
11:05 AM 66.2 °F 55.4 °F 68% 29.98 in 10.0 mi West 10.4 mph 19.6 mph N/A   Mostly Cloudy
11:20 AM 68.0 °F 53.6 °F 60% 29.98 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
11:54 AM 69.1 °F 53.1 °F 57% 29.96 in 10.0 mi West 10.4 mph 17.3 mph N/A   Clear
12:54 PM 71.1 °F 53.1 °F 53% 29.95 in 10.0 mi WSW 11.5 mph 17.3 mph N/A   Partly Cloudy
1:54 PM 73.0 °F 53.1 °F 49% 29.94 in 10.0 mi WSW 10.4 mph 21.9 mph N/A   Partly Cloudy
2:54 PM 75.9 °F 53.1 °F 45% 29.93 in 10.0 mi West 12.7 mph - N/A   Clear
3:54 PM 75.0 °F 53.1 °F 46% 29.92 in 10.0 mi West 13.8 mph 19.6 mph N/A   Clear
4:54 PM 73.9 °F 52.0 °F 46% 29.91 in 10.0 mi West 13.8 mph - N/A   Clear
5:54 PM 71.1 °F 51.1 °F 49% 29.90 in 10.0 mi West 13.8 mph - N/A   Clear
6:54 PM 66.0 °F 48.9 °F 54% 29.89 in 10.0 mi West 17.3 mph - N/A   Clear
7:54 PM 63.0 °F 48.9 °F 60% 29.91 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
8:54 PM 59.0 °F 48.9 °F 69% 29.91 in 10.0 mi West 9.2 mph - N/A   Clear
9:54 PM 57.9 °F 48.9 °F 72% 29.90 in 10.0 mi West 5.8 mph - N/A   Clear
10:54 PM 57.9 °F 50.0 °F 75% 29.91 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 57.9 °F 48.9 °F 72% 29.92 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy