Weather History for Napa County, CA

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Wednesday, March 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 53 °F  
Max Temperature 64 °F 66 °F 76 °F (2004)
Min Temperature 51 °F 40 °F 32 °F (1999)
Degree Days  
Heating Degree Days 7    
Month to date heating degree days 395  
Since 1 July heating degree days 2659  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 56    
Precipitation  
Precipitation 0.12 in - 1.59 in (1933)
Month to date precipitation 5.96  
Year to date precipitation 11.24  
Since 1 July precipitation 14.82  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 28, 2012 Rise Set
Actual Time 6:59 AM PDT 7:29 PM PDT
Civil Twilight 6:32 AM PDT 7:55 PM PDT
Nautical Twilight 6:01 AM PDT 8:26 PM PDT
Astronomical Twilight 5:29 AM PDT 8:58 PM PDT
Moon 10:25 AM PDT (3/28) 12:31 AM PDT (3/28)
Length of Visible Light 13h 22m
Length of Day
12h 29m
Waxing Crescent, 31% of the Moon is Illuminated
Mar 28
Waxing Crescent
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:31 AM 53.6 °F 51.8 °F 94% 29.94 in 10.0 mi SSW 11.5 mph - N/A   Overcast
12:54 AM 54.0 °F 52.0 °F 93% 29.92 in 10.0 mi SSW 12.7 mph - N/A   Overcast
1:19 AM 55.4 °F 51.8 °F 88% 29.95 in 10.0 mi South 9.2 mph - N/A   Overcast
1:54 AM 55.0 °F 52.0 °F 89% 29.93 in 10.0 mi South 10.4 mph - N/A   Overcast
2:54 AM 54.0 °F 52.0 °F 93% 29.93 in 10.0 mi South 10.4 mph - 0.01 in   Overcast
3:20 AM 53.6 °F 51.8 °F 94% 29.96 in 9.0 mi SW 12.7 mph - 0.02 in Rain Light Rain
3:54 AM 54.0 °F 52.0 °F 93% 29.94 in 3.0 mi SSW 16.1 mph 24.2 mph 0.10 in Rain Heavy Rain
4:22 AM 53.6 °F 51.8 °F 94% 29.96 in 10.0 mi SSW 10.4 mph - 0.00 in   Scattered Clouds
4:54 AM 54.0 °F 51.1 °F 90% 29.94 in 10.0 mi SSW 10.4 mph - 0.00 in   Overcast
5:54 AM 54.0 °F 51.1 °F 90% 29.96 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
6:54 AM 54.0 °F 51.1 °F 90% 29.99 in 9.0 mi South 8.1 mph - 0.00 in Rain Light Rain
7:54 AM 54.0 °F 52.0 °F 93% 30.01 in 8.0 mi South 8.1 mph - 0.01 in   Overcast
8:54 AM 55.0 °F 52.0 °F 89% 30.03 in 10.0 mi SSW 9.2 mph - N/A   Overcast
9:44 AM 55.4 °F 51.8 °F 88% 30.07 in 10.0 mi SW 5.8 mph - N/A   Overcast
9:54 AM 55.9 °F 51.1 °F 84% 30.05 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
10:27 AM 57.2 °F 51.8 °F 82% 30.08 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
10:54 AM 57.9 °F 48.9 °F 72% 30.06 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
11:54 AM 60.1 °F 46.9 °F 62% 30.06 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
1:54 PM 63.0 °F 46.9 °F 56% 30.07 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:54 PM 63.0 °F 48.9 °F 60% 30.06 in 10.0 mi SSW 11.5 mph - N/A   Scattered Clouds
3:54 PM 62.1 °F 50.0 °F 65% 30.06 in 10.0 mi SSW 18.4 mph - N/A   Scattered Clouds
4:54 PM 60.1 °F 50.0 °F 69% 30.04 in 10.0 mi SSW 16.1 mph - N/A   Clear
5:54 PM 59.0 °F 52.0 °F 78% 30.04 in 10.0 mi SSW 12.7 mph - N/A   Clear
6:54 PM 57.0 °F 51.1 °F 81% 30.05 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
7:54 PM 54.0 °F 48.0 °F 80% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:54 PM 52.0 °F 46.9 °F 83% 30.06 in 10.0 mi SSW 6.9 mph - N/A   Clear
9:54 PM 53.1 °F 50.0 °F 89% 30.09 in 10.0 mi SW 9.2 mph - N/A   Clear
10:40 PM 51.8 °F 48.2 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 PM 51.1 °F 48.9 °F 92% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
11:08 PM 51.8 °F 48.2 °F 88% 30.11 in 9.0 mi SSW 9.2 mph - N/A   Scattered Clouds
11:50 PM 51.8 °F 50.0 °F 94% 30.11 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
11:54 PM 52.0 °F 50.0 °F 93% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy