Weather History for Napa County, CA

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Wednesday, March 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 59 °F 52 °F  
Max Temperature 75 °F 64 °F 79 °F (2007)
Min Temperature 43 °F 40 °F 33 °F (2009)
Degree Days  
Heating Degree Days 6    
Month to date heating degree days 96  
Since 1 July heating degree days 2303  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 27 °F    
Average Humidity 40    
Maximum Humidity 63    
Minimum Humidity 17    
Precipitation  
Precipitation 0.00 in - 1.49 in (1937)
Month to date precipitation 0.41  
Year to date precipitation 5.17  
Since 1 July precipitation 7.37  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 12 mph (NNE)    
Max Wind Speed 28 mph    
Max Gust Speed 33 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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Date:

Astronomy

Mar. 12, 2014 Rise Set
Actual Time 7:24 AM PDT 7:13 PM PDT
Civil Twilight 6:58 AM PDT 7:39 PM PDT
Nautical Twilight 6:27 AM PDT 8:10 PM PDT
Astronomical Twilight 5:57 AM PDT 8:41 PM PDT
Moon 3:51 PM PDT (3/12) 4:57 AM PDT (3/12)
Length of Visible Light 12h 41m
Length of Day
11h 48m
Waxing Gibbous, 86% of the Moon is Illuminated
Mar 12
Waxing Gibbous
Mar 16
Full
Mar 23
Last Quarter
Mar 30
New
Apr 7
First 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 62.1 °F 17.1 °F 18% 30.02 in 10.0 mi NNE 25.3 mph - N/A   Clear
1:54 AM 60.1 °F 18.0 °F 20% 30.02 in 10.0 mi NNE 17.3 mph 32.2 mph N/A   Clear
2:54 AM 57.9 °F 21.0 °F 24% 30.02 in 10.0 mi NNE 15.0 mph - N/A   Clear
3:54 AM 59.0 °F 19.9 °F 22% 30.01 in 10.0 mi NNE 15.0 mph 26.5 mph N/A   Clear
4:54 AM 60.1 °F 19.0 °F 20% 30.01 in 10.0 mi NNE 17.3 mph 25.3 mph N/A   Clear
5:54 AM 61.0 °F 18.0 °F 19% 30.03 in 10.0 mi North 15.0 mph 27.6 mph N/A   Clear
6:54 AM 55.9 °F 21.9 °F 27% 30.04 in 10.0 mi North 12.7 mph - N/A   Clear
7:54 AM 55.9 °F 26.1 °F 32% 30.06 in 10.0 mi NE 8.1 mph - N/A   Clear
8:54 AM 60.1 °F 28.0 °F 30% 30.07 in 10.0 mi North 13.8 mph - N/A   Clear
9:54 AM 64.9 °F 25.0 °F 22% 30.08 in 10.0 mi North 21.9 mph 26.5 mph N/A   Clear
10:54 AM 66.9 °F 28.9 °F 24% 30.09 in 10.0 mi North 19.6 mph 26.5 mph N/A   Clear
11:54 AM 69.1 °F 26.1 °F 20% 30.09 in 10.0 mi North 23.0 mph 29.9 mph N/A   Clear
12:54 PM 71.1 °F 26.1 °F 19% 30.08 in 10.0 mi NE 18.4 mph 25.3 mph N/A   Clear
1:54 PM 73.0 °F 30.9 °F 21% 30.06 in 10.0 mi ENE 13.8 mph 21.9 mph N/A   Clear
2:54 PM 73.0 °F 28.9 °F 20% 30.04 in 10.0 mi NE 15.0 mph - N/A   Clear
3:54 PM 73.9 °F 27.0 °F 18% 30.02 in 10.0 mi ENE 9.2 mph - N/A   Clear
4:54 PM 75.0 °F 28.9 °F 18% 29.99 in 10.0 mi NNE 11.5 mph - N/A   Clear
5:54 PM 73.0 °F 30.9 °F 21% 29.98 in 10.0 mi North 10.4 mph - N/A   Clear
6:54 PM 66.9 °F 30.9 °F 26% 29.98 in 10.0 mi North 11.5 mph - N/A   Clear
7:54 PM 61.0 °F 32.0 °F 34% 29.98 in 10.0 mi North 6.9 mph - N/A   Clear
8:54 PM 52.0 °F 39.0 °F 61% 30.00 in 10.0 mi SW 5.8 mph - N/A   Clear
9:54 PM 54.0 °F 36.0 °F 51% 30.01 in 10.0 mi South 6.9 mph - N/A   Clear
10:54 PM 52.0 °F 36.0 °F 54% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 48.9 °F 34.0 °F 56% 30.02 in 10.0 mi Calm Calm - N/A   Clear