Weather History for Napa County, CA

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Saturday, January 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 45 °F  
Max Temperature 49 °F 54 °F 70 °F (2014)
Min Temperature 32 °F 37 °F 24 °F (2014)
Degree Days  
Heating Degree Days 24    
Month to date heating degree days 113  
Since 1 July heating degree days 1225  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 39 °F    
Average Humidity 81    
Maximum Humidity 96    
Minimum Humidity 65    
Precipitation  
Precipitation 0.15 in - 2.75 in (1966)
Month to date precipitation 0.15  
Year to date precipitation 0.15  
Since 1 July precipitation 7.94  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 8 mph (ENE)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 6 miles    
Events Rain    
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

Jan. 05, 2013 Rise Set
Actual Time 7:26 AM PST 5:03 PM PST
Civil Twilight 6:56 AM PST 5:32 PM PST
Nautical Twilight 6:23 AM PST 6:05 PM PST
Astronomical Twilight 5:51 AM PST 6:37 PM PST
Moon 12:41 AM PST (1/5) 11:54 AM PST (1/5)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Last Quarter, 43% of the Moon is Illuminated
Jan 5
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 39.0 °F 36.8 °F 35.1 °F 86% 30.20 in 10.0 mi North 3.5 mph - N/A   Clear
1:54 AM 37.0 °F 31.6 °F 33.1 °F 86% 30.22 in 10.0 mi North 6.9 mph - N/A   Clear
2:54 AM 34.0 °F - 32.0 °F 92% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 35.1 °F - 32.0 °F 89% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 34.0 °F 31.0 °F 30.9 °F 89% 30.22 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:54 AM 35.1 °F 30.1 °F 32.0 °F 89% 30.23 in 10.0 mi NNE 5.8 mph - N/A   Overcast
6:54 AM 37.9 °F 32.7 °F 35.1 °F 89% 30.23 in 10.0 mi NNW 6.9 mph - N/A   Overcast
7:02 AM 39.2 °F 34.2 °F 35.6 °F 87% 30.26 in 10.0 mi North 6.9 mph - N/A   Overcast
7:54 AM 41.0 °F - 35.1 °F 79% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
8:54 AM 43.0 °F - 36.0 °F 76% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
9:47 AM 48.2 °F - 37.4 °F 66% 30.26 in 10.0 mi East 6.9 mph - N/A   Overcast
9:54 AM 48.9 °F - 37.9 °F 66% 30.23 in 10.0 mi East 9.2 mph - N/A   Overcast
10:54 AM 46.9 °F - 36.0 °F 66% 30.21 in 10.0 mi East 13.8 mph - N/A   Overcast
11:54 AM 48.0 °F - 37.9 °F 68% 30.19 in 6.0 mi East 11.5 mph - N/A   Haze
12:54 PM 48.9 °F - 39.9 °F 71% 30.16 in 4.0 mi East 9.2 mph - N/A   Haze
1:23 PM 48.2 °F - 39.2 °F 71% 30.16 in 4.0 mi East 10.4 mph - N/A   Haze
1:54 PM 48.9 °F - 39.9 °F 71% 30.12 in 6.0 mi East 10.4 mph - N/A   Haze
2:06 PM 48.2 °F - 39.2 °F 71% 30.16 in 6.0 mi East 8.1 mph - N/A   Haze
2:28 PM 48.2 °F - 39.2 °F 71% 30.15 in 6.0 mi East 8.1 mph - N/A   Haze
2:54 PM 48.9 °F - 39.9 °F 71% 30.12 in 5.0 mi East 6.9 mph - N/A   Haze
3:52 PM 46.4 °F 41.5 °F 41.0 °F 81% 30.13 in 2.0 mi East 10.4 mph - 0.01 in Rain Rain
3:54 PM 46.9 °F - 41.0 °F 80% 30.10 in 2.0 mi East 10.4 mph - 0.01 in Rain Rain
4:25 PM 46.4 °F 43.5 °F 42.8 °F 87% 30.13 in 2.5 mi ENE 5.8 mph - 0.03 in Rain Light Rain
4:54 PM 46.0 °F 43.1 °F 43.0 °F 89% 30.10 in 3.0 mi ENE 5.8 mph - 0.07 in Rain Light Rain
5:54 PM 46.0 °F 40.2 °F 43.0 °F 89% 30.09 in 3.0 mi East 12.7 mph - 0.00 in Rain Light Rain
6:14 PM 46.4 °F 40.7 °F 42.8 °F 87% 30.11 in 2.5 mi East 12.7 mph - 0.00 in Rain Light Rain
6:34 PM 46.4 °F 40.4 °F 42.8 °F 87% 30.10 in 3.0 mi East 13.8 mph - 0.00 in Rain Light Rain
6:54 PM 46.0 °F 40.6 °F 43.0 °F 89% 30.07 in 3.0 mi East 11.5 mph 19.6 mph 0.00 in Rain Light Rain
7:54 PM 46.9 °F - 43.0 °F 86% 30.06 in 4.0 mi East 11.5 mph 23.0 mph 0.02 in   Overcast
8:54 PM 46.9 °F - 43.0 °F 86% 30.07 in 4.0 mi East 12.7 mph 18.4 mph 0.05 in Rain Light Rain
9:54 PM 46.0 °F 42.5 °F 43.0 °F 89% 30.06 in 7.0 mi ENE 6.9 mph - 0.00 in   Overcast
10:49 PM 46.4 °F 42.9 °F 42.8 °F 87% 30.10 in 2.5 mi ENE 6.9 mph - 0.00 in Rain Light Rain
10:54 PM 46.0 °F 41.9 °F 43.0 °F 89% 30.06 in 5.0 mi NE 8.1 mph - 0.00 in   Overcast