Weather History for Napa County, CA

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Thursday, August 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 65 °F  
Max Temperature 75 °F 78 °F 92 °F (2000)
Min Temperature 50 °F 52 °F 48 °F (2008)
Degree Days  
Heating Degree Days 2    
Month to date heating degree days 2  
Since 1 June heating degree days 52  
Since 1 July heating degree days 22  
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 13 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 69    
Maximum Humidity 89    
Minimum Humidity 49    
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 29.98 in    
Wind  
Wind Speed 10 mph (SW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 01, 2013 Rise Set
Actual Time 6:11 AM PDT 8:18 PM PDT
Civil Twilight 5:42 AM PDT 8:47 PM PDT
Nautical Twilight 5:06 AM PDT 9:23 PM PDT
Astronomical Twilight 4:27 AM PDT 10:01 PM PDT
Moon 1:52 AM PDT (8/1) 4:31 PM PDT (8/1)
Length of Visible Light 15h 04m
Length of Day
14h 06m
Waning Crescent, 22% of the Moon is Illuminated
Aug 1
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 57.0 °F 51.1 °F 81% 29.98 in 10.0 mi WSW 9.2 mph - N/A   Clear
1:54 AM 55.0 °F 51.1 °F 86% 29.97 in 10.0 mi WSW 10.4 mph - N/A   Clear
2:54 AM 55.0 °F 50.0 °F 83% 29.97 in 10.0 mi WSW 6.9 mph - N/A   Clear
3:54 AM 54.0 °F 50.0 °F 86% 29.97 in 10.0 mi West 5.8 mph - N/A   Clear
4:54 AM 54.0 °F 50.0 °F 86% 29.99 in 10.0 mi WSW 6.9 mph - N/A   Clear
5:54 AM 53.1 °F 48.9 °F 86% 30.00 in 10.0 mi West 4.6 mph - N/A   Clear
6:54 AM 53.1 °F 50.0 °F 89% 30.01 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
7:54 AM 55.9 °F 51.1 °F 84% 30.02 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
8:54 AM 61.0 °F 52.0 °F 72% 30.03 in 10.0 mi WSW 9.2 mph - N/A   Clear
9:54 AM 64.9 °F 52.0 °F 63% 30.02 in 10.0 mi SSW 9.2 mph - N/A   Clear
10:54 AM 66.9 °F 53.1 °F 61% 30.02 in 10.0 mi South 16.1 mph - N/A   Clear
11:54 AM 69.1 °F 53.1 °F 57% 30.02 in 10.0 mi SSW 15.0 mph - N/A   Clear
12:54 PM 70.0 °F 53.1 °F 55% 30.01 in 10.0 mi SSW 15.0 mph - N/A   Clear
1:54 PM 72.0 °F 53.1 °F 51% 30.01 in 10.0 mi SSW 16.1 mph - N/A   Clear
2:54 PM 73.0 °F 53.1 °F 49% 29.99 in 10.0 mi South 16.1 mph - N/A   Clear
3:54 PM 73.9 °F 53.1 °F 48% 29.96 in 10.0 mi South 15.0 mph - N/A   Clear
4:54 PM 72.0 °F 53.1 °F 51% 29.95 in 10.0 mi South 17.3 mph - N/A   Clear
5:54 PM 71.1 °F 55.0 °F 57% 29.94 in 10.0 mi SSW 17.3 mph - N/A   Clear
6:54 PM 68.0 °F 54.0 °F 61% 29.93 in 10.0 mi South 12.7 mph - N/A   Clear
7:54 PM 64.0 °F 55.0 °F 73% 29.93 in 10.0 mi South 13.8 mph 19.6 mph N/A   Clear
8:54 PM 62.1 °F 55.0 °F 78% 29.93 in 10.0 mi South 11.5 mph - N/A   Clear
9:54 PM 59.0 °F 52.0 °F 78% 29.95 in 10.0 mi SW 9.2 mph - N/A   Clear
10:54 PM 57.0 °F 51.1 °F 81% 29.94 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 55.9 °F 51.1 °F 84% 29.94 in 10.0 mi WSW 8.1 mph - N/A   Clear