Weather History for Napa County, CA

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Monday, June 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 62 °F  
Max Temperature 66 °F 77 °F 86 °F (2002)
Min Temperature 50 °F 48 °F 41 °F (2001)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 9  
Since 1 June heating degree days 9  
Since 1 July heating degree days 3113  
Cooling Degree Days 0    
Month to date cooling degree days 4  
Year to date cooling degree days 18  
Since 1 June cooling degree days 4  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 69    
Maximum Humidity 86    
Minimum Humidity 52    
Precipitation  
Precipitation 0.05 in - 1.04 in (2011)
Month to date precipitation 0.05  
Year to date precipitation 13.77  
Since 1 July precipitation 17.35  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 13 mph (WSW)    
Max Wind Speed 30 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jun. 04, 2012 Rise Set
Actual Time 5:46 AM PDT 8:28 PM PDT
Civil Twilight 5:15 AM PDT 9:00 PM PDT
Nautical Twilight 4:36 AM PDT 9:39 PM PDT
Astronomical Twilight 3:52 AM PDT 10:23 PM PDT
Moon 9:04 PM PDT (6/4) 5:58 AM PDT (6/4)
Length of Visible Light 15h 44m
Length of Day
14h 42m
Full, 100% of the Moon is Illuminated
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Jun 26
First Quarter
Jul 3
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 57.0 °F 48.9 °F 74% 29.88 in 10.0 mi SW 8.1 mph - N/A   Clear
1:54 AM 57.9 °F 48.9 °F 72% 29.87 in 10.0 mi WSW 6.9 mph - N/A   Clear
3:54 AM 57.9 °F 53.1 °F 84% 29.87 in 10.0 mi SW 10.4 mph - N/A   Overcast
4:34 AM 59.0 °F 51.8 °F 77% 29.90 in 10.0 mi SW 11.5 mph - N/A   Overcast
4:54 AM 59.0 °F 52.0 °F 78% 29.87 in 10.0 mi SW 10.4 mph - N/A   Overcast
5:16 AM 57.2 °F 53.6 °F 88% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Overcast
5:54 AM 57.9 °F 51.1 °F 78% 29.88 in 10.0 mi WSW 6.9 mph - N/A   Overcast
6:54 AM 59.0 °F 51.1 °F 75% 29.90 in 10.0 mi West 5.8 mph - N/A   Overcast
7:54 AM 59.0 °F 54.0 °F 83% 29.90 in 10.0 mi West 3.5 mph - 0.00 in   Overcast
8:22 AM 60.8 °F 53.6 °F 77% 29.92 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:54 AM 60.1 °F 55.9 °F 86% 29.91 in 9.0 mi SSW 10.4 mph - 0.00 in Rain Light Rain
9:54 AM 57.9 °F 55.0 °F 90% 29.90 in 8.0 mi West 11.5 mph - 0.04 in   Overcast
10:01 AM 57.2 °F 55.4 °F 94% 29.94 in 8.0 mi West 13.8 mph - N/A   Overcast
10:37 AM 57.2 °F 53.6 °F 88% 29.94 in 8.0 mi West 11.5 mph - N/A   Overcast
10:54 AM 57.9 °F 54.0 °F 87% 29.93 in 8.0 mi West 10.4 mph - N/A   Overcast
11:01 AM 57.2 °F 53.6 °F 88% 29.94 in 9.0 mi West 11.5 mph - N/A   Overcast
11:35 AM 57.2 °F 53.6 °F 88% 29.96 in 10.0 mi SW 11.5 mph - N/A   Overcast
11:54 AM 57.9 °F 54.0 °F 87% 29.94 in 7.0 mi SW 15.0 mph - N/A   Overcast
11:58 AM 57.2 °F 53.6 °F 88% 29.96 in 6.0 mi WSW 13.8 mph - 0.01 in   Overcast
12:54 PM 61.0 °F 53.1 °F 75% 29.94 in 10.0 mi WSW 11.5 mph - 0.01 in   Overcast
1:54 PM 64.0 °F 53.1 °F 67% 29.94 in 10.0 mi West 19.6 mph - N/A   Overcast
2:04 PM 64.4 °F 53.6 °F 68% 29.96 in 10.0 mi West 21.9 mph 27.6 mph N/A   Mostly Cloudy
2:54 PM 64.0 °F 51.1 °F 63% 29.94 in 10.0 mi West 18.4 mph 26.5 mph N/A   Mostly Cloudy
3:54 PM 66.0 °F 48.9 °F 54% 29.95 in 10.0 mi West 24.2 mph 31.1 mph N/A   Mostly Cloudy
4:00 PM 64.4 °F 48.2 °F 56% 29.97 in 10.0 mi West 24.2 mph 31.1 mph N/A   Scattered Clouds
4:54 PM 64.0 °F 48.9 °F 58% 29.94 in 10.0 mi West 21.9 mph 31.1 mph N/A   Partly Cloudy
5:54 PM 63.0 °F 48.0 °F 58% 29.95 in 10.0 mi West 23.0 mph 31.1 mph N/A   Clear
5:57 PM 62.6 °F 46.4 °F 55% 29.97 in 10.0 mi West 26.5 mph 34.5 mph N/A   Scattered Clouds
5:59 PM 62.6 °F 46.4 °F 55% 29.97 in 10.0 mi West 25.3 mph 34.5 mph N/A   Scattered Clouds
6:54 PM 61.0 °F 46.9 °F 60% 29.96 in 10.0 mi West 16.1 mph 25.3 mph N/A   Scattered Clouds
7:54 PM 57.9 °F 46.9 °F 67% 29.99 in 10.0 mi West 16.1 mph - N/A   Clear
8:54 PM 54.0 °F 46.0 °F 75% 30.01 in 10.0 mi West 16.1 mph - N/A   Clear
9:54 PM 52.0 °F 45.0 °F 77% 30.04 in 10.0 mi West 12.7 mph - N/A   Clear
10:54 PM 51.1 °F 45.0 °F 80% 30.07 in 10.0 mi NW 8.1 mph - N/A   Clear
11:54 PM 51.1 °F 45.0 °F 80% 30.08 in 10.0 mi West 12.7 mph - N/A   Clear