Weather History for Napa County, CA

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Friday, August 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F 65 °F  
Max Temperature 76 °F 78 °F 95 °F (1998)
Min Temperature 45 °F 52 °F 45 °F (2013)
Degree Days  
Heating Degree Days 4    
Month to date heating degree days 6  
Since 1 June heating degree days 56  
Since 1 July heating degree days 26  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 148  
Since 1 June cooling degree days 128  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - 0.00 in (2014)
Month to date precipitation 0.00  
Year to date precipitation 1.97  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 22 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 02, 2013 Rise Set
Actual Time 6:12 AM PDT 8:17 PM PDT
Civil Twilight 5:43 AM PDT 8:46 PM PDT
Nautical Twilight 5:07 AM PDT 9:22 PM PDT
Astronomical Twilight 4:29 AM PDT 10:00 PM PDT
Moon 2:38 AM PDT (8/2) 5:18 PM PDT (8/2)
Length of Visible Light 15h 02m
Length of Day
14h 04m
Waning Crescent, 15% of the Moon is Illuminated
Aug 2
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
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 55.0 °F 50.0 °F 83% 29.92 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 48.9 °F 46.0 °F 90% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 53.1 °F 48.9 °F 86% 29.91 in 10.0 mi West 5.8 mph - N/A   Clear
3:54 AM 46.9 °F 44.1 °F 90% 29.90 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 46.0 °F 43.0 °F 89% 29.91 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 48.9 °F 46.0 °F 90% 29.92 in 10.0 mi West 4.6 mph - N/A   Clear
6:43 AM 50.0 °F 48.2 °F 94% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 AM 51.1 °F 48.9 °F 92% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
7:20 AM 53.6 °F 51.8 °F 94% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 55.9 °F 52.0 °F 87% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
8:54 AM 59.0 °F 53.1 °F 81% 29.96 in 10.0 mi WSW 9.2 mph - N/A   Overcast
9:21 AM 60.8 °F 53.6 °F 77% 29.99 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
9:54 AM 62.1 °F 53.1 °F 72% 29.95 in 10.0 mi Variable 6.9 mph - N/A   Partly Cloudy
10:06 AM 62.6 °F 53.6 °F 72% 29.98 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
10:54 AM 66.0 °F 53.1 °F 63% 29.95 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
11:54 AM 66.9 °F 53.1 °F 61% 29.94 in 10.0 mi SW 9.2 mph - N/A   Clear
12:54 PM 72.0 °F 53.1 °F 51% 29.93 in 10.0 mi SSW 10.4 mph - N/A   Clear
1:54 PM 73.9 °F 54.0 °F 50% 29.91 in 10.0 mi SSW 10.4 mph - N/A   Clear
2:54 PM 75.0 °F 54.0 °F 48% 29.89 in 10.0 mi SSW 12.7 mph - N/A   Clear
3:54 PM 73.9 °F 53.1 °F 48% 29.87 in 10.0 mi South 15.0 mph - N/A   Clear
4:54 PM 73.9 °F 54.0 °F 50% 29.86 in 10.0 mi South 18.4 mph 24.2 mph N/A   Clear
5:54 PM 70.0 °F 54.0 °F 57% 29.86 in 10.0 mi South 17.3 mph 23.0 mph N/A   Clear
6:54 PM 66.0 °F 54.0 °F 65% 29.86 in 10.0 mi South 15.0 mph 23.0 mph N/A   Clear
7:54 PM 63.0 °F 53.1 °F 70% 29.87 in 10.0 mi South 12.7 mph - N/A   Clear
8:54 PM 59.0 °F 54.0 °F 83% 29.88 in 10.0 mi South 12.7 mph - N/A   Clear
9:54 PM 57.9 °F 54.0 °F 87% 29.90 in 10.0 mi South 10.4 mph - N/A   Clear
10:54 PM 57.0 °F 53.1 °F 87% 29.90 in 10.0 mi SSW 15.0 mph - N/A   Clear
11:54 PM 55.9 °F 53.1 °F 90% 29.90 in 10.0 mi SSW 18.4 mph 21.9 mph N/A   Partly Cloudy