Weather History for Napa County, CA

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Sunday, May 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 57 °F  
Max Temperature 68 °F 71 °F 82 °F (2011)
Min Temperature 52 °F 44 °F 37 °F (2003)
Degree Days  
Heating Degree Days 5    
Month to date heating degree days 5  
Since 1 July heating degree days 2749  
Cooling Degree Days 0    
Month to date cooling degree days 9  
Year to date cooling degree days 12  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 69    
Maximum Humidity 89    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in - 0.55 in (1956)
Month to date precipitation 0.00  
Year to date precipitation 1.70  
Since 1 July precipitation 9.49  
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 05, 2013 Rise Set
Actual Time 6:07 AM PDT 8:04 PM PDT
Civil Twilight 5:38 AM PDT 8:33 PM PDT
Nautical Twilight 5:03 AM PDT 9:08 PM PDT
Astronomical Twilight 4:26 AM PDT 9:46 PM PDT
Moon 3:37 AM PDT (5/5) 4:12 PM PDT (5/5)
Length of Visible Light 14h 54m
Length of Day
13h 56m
Waning Crescent, 17% of the Moon is Illuminated
May 5
Waning Crescent
May 9
New
May 17
First Quarter
May 24
Full
May 31
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 54.0 °F 50.0 °F 86% 29.60 in 9.0 mi West 11.5 mph - N/A   Clear
1:29 AM 53.6 °F 48.2 °F 82% 29.63 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
1:54 AM 55.0 °F 48.9 °F 80% 29.61 in 10.0 mi WNW 10.4 mph - N/A   Overcast
2:40 AM 53.6 °F 48.2 °F 82% 29.64 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
2:54 AM 53.1 °F 48.0 °F 83% 29.61 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
3:54 AM 54.0 °F 48.0 °F 80% 29.62 in 10.0 mi NW 8.1 mph - N/A   Overcast
4:08 AM 55.4 °F 48.2 °F 77% 29.64 in 10.0 mi NW 9.2 mph - N/A   Overcast
4:37 AM 55.4 °F 48.2 °F 77% 29.64 in 10.0 mi SW 16.1 mph 20.7 mph N/A   Mostly Cloudy
4:54 AM 55.9 °F 48.0 °F 75% 29.62 in 10.0 mi SW 15.0 mph 20.7 mph N/A   Partly Cloudy
5:54 AM 55.0 °F 48.9 °F 80% 29.63 in 10.0 mi WNW 5.8 mph - N/A   Overcast
6:54 AM 57.0 °F 48.9 °F 74% 29.65 in 10.0 mi WNW 9.2 mph - N/A   Overcast
7:54 AM 57.9 °F 48.0 °F 70% 29.66 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:54 AM 59.0 °F 48.9 °F 69% 29.68 in 10.0 mi WSW 8.1 mph - N/A   Overcast
9:54 AM 60.1 °F 48.0 °F 64% 29.69 in 10.0 mi WSW 8.1 mph - N/A   Overcast
11:54 AM 61.0 °F 48.0 °F 62% 29.71 in 10.0 mi West 8.1 mph - N/A   Overcast
12:54 PM 66.9 °F 48.0 °F 51% 29.70 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
1:54 PM 66.0 °F 46.9 °F 50% 29.70 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:54 PM 68.0 °F 51.1 °F 55% 29.70 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:54 PM 64.9 °F 48.9 °F 56% 29.70 in 10.0 mi WSW 10.4 mph - N/A   Overcast
5:54 PM 63.0 °F 50.0 °F 63% 29.71 in 10.0 mi SW 10.4 mph - N/A   Overcast
6:54 PM 62.1 °F 48.9 °F 62% 29.73 in 10.0 mi WSW 5.8 mph - N/A   Overcast
7:54 PM 60.1 °F 50.0 °F 69% 29.73 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
8:54 PM 60.1 °F 50.0 °F 69% 29.75 in 10.0 mi WSW 6.9 mph - N/A   Overcast
9:54 PM 60.1 °F 48.9 °F 67% 29.77 in 10.0 mi West 9.2 mph - N/A   Overcast
10:54 PM 57.9 °F 48.9 °F 72% 29.78 in 10.0 mi WNW 6.9 mph - N/A   Overcast
11:54 PM 57.0 °F 50.0 °F 77% 29.79 in 10.0 mi North 3.5 mph - N/A   Overcast