Weather History for Napa County, CA

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Monday, November 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F 50 °F  
Max Temperature 60 °F 63 °F 78 °F (2005)
Min Temperature 34 °F 39 °F 26 °F (2000)
Degree Days  
Heating Degree Days 18    
Month to date heating degree days 218  
Since 1 July heating degree days 528  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 303  
Moisture  
Dew Point 41 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - 2.37 in (1982)
Month to date precipitation T  
Year to date precipitation 2.82  
Since 1 July precipitation 0.85  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 32 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 18, 2013 Rise Set
Actual Time 6:53 AM PST 4:54 PM PST
Civil Twilight 6:25 AM PST 5:22 PM PST
Nautical Twilight 5:53 AM PST 5:55 PM PST
Astronomical Twilight 5:22 AM PST 6:26 PM PST
Moon 6:01 PM PST (11/18) 7:47 AM PST (11/18)
Length of Visible Light 10h 57m
Length of Day
10h 00m
Full, 99% of the Moon is Illuminated
Nov 18
Full
Nov 25
Last Quarter
Dec 2
New
Dec 9
First Quarter
Dec 17
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM 37.4 °F - 37.4 °F 100% 30.09 in 1.5 mi Calm Calm - N/A   Clear
12:38 AM 37.4 °F - 37.4 °F 100% 30.09 in 0.8 mi Calm Calm - N/A   Mist
12:47 AM 37.4 °F - 37.4 °F 100% 30.09 in 0.2 mi Calm Calm - N/A Fog Fog
12:54 AM 37.0 °F - 37.0 °F 100% 30.06 in 0.2 mi Calm Calm - N/A Fog Fog
1:00 AM 37.4 °F - 37.4 °F 100% 30.09 in 1.0 mi Calm Calm - N/A   Mist
1:02 AM 39.2 °F - 37.4 °F 93% 30.09 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
1:14 AM 37.4 °F - 37.4 °F 100% 30.09 in 9.0 mi Calm Calm - N/A   Scattered Clouds
1:32 AM 35.6 °F - 35.6 °F 100% 30.10 in 1.2 mi Calm Calm - N/A   Partly Cloudy
1:39 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.10 in 1.0 mi NW 3.5 mph - N/A   Mist
1:42 AM 35.6 °F 32.8 °F 35.6 °F 100% 30.10 in 2.0 mi NW 3.5 mph - N/A   Scattered Clouds
1:49 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.10 in 4.0 mi North 3.5 mph - N/A   Scattered Clouds
1:54 AM 37.9 °F 35.5 °F 37.0 °F 97% 30.08 in 1.5 mi NNW 3.5 mph - N/A   Scattered Clouds
2:01 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.2 mi Calm Calm - N/A   Mostly Cloudy
2:07 AM 37.4 °F - 37.4 °F 100% 30.10 in 0.5 mi Calm Calm - N/A Fog Fog
2:19 AM 37.4 °F - 37.4 °F 100% 30.10 in 1.0 mi Calm Calm - N/A   Mist
2:33 AM 35.6 °F - 33.8 °F 93% 30.10 in 2.0 mi Calm Calm - N/A   Scattered Clouds
2:52 AM 35.6 °F - 35.6 °F 100% 30.09 in 0.8 mi Calm Calm - N/A   Mist
2:54 AM 36.0 °F - 35.1 °F 97% 30.07 in 0.8 mi Calm Calm - N/A   Mist
2:58 AM 37.4 °F - 35.6 °F 93% 30.09 in 1.2 mi Calm Calm - N/A   Partly Cloudy
3:03 AM 39.2 °F - 37.4 °F 93% 30.10 in 3.0 mi Calm Calm - N/A   Clear
3:29 AM 37.4 °F - 37.4 °F 100% 30.10 in - Calm Calm - N/A   Scattered Clouds
3:39 AM 37.4 °F - 37.4 °F 100% 30.11 in - Calm Calm - N/A   Mostly Cloudy
3:54 AM 35.1 °F - 35.1 °F 100% 30.09 in - Calm Calm - N/A   Mostly Cloudy
4:08 AM 37.4 °F - 37.4 °F 100% 30.11 in - Calm Calm - N/A   Scattered Clouds
4:20 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.12 in - ENE 3.5 mph - N/A   Mostly Cloudy
4:44 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.12 in - ESE 3.5 mph - N/A   Overcast
4:52 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.11 in 0.2 mi ESE 3.5 mph - N/A Fog Fog
4:53 AM 39.0 °F - 37.9 °F 96% 30.09 in 0.2 mi Calm Calm - N/A Fog Fog
5:50 AM 39.2 °F 35.0 °F 39.2 °F 100% 30.12 in 0.2 mi North 5.8 mph - N/A Fog Fog
5:54 AM 39.9 °F 36.7 °F 39.0 °F 97% 30.09 in 0.2 mi NNE 4.6 mph - N/A Fog Fog
6:03 AM 39.2 °F 35.0 °F 39.2 °F 100% 30.11 in 1.0 mi NE 5.8 mph - N/A   Mist
6:12 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.11 in 7.0 mi NE 3.5 mph - N/A   Overcast
6:54 AM 39.9 °F 35.8 °F 39.0 °F 97% 30.10 in 8.0 mi North 5.8 mph - N/A   Mostly Cloudy
7:30 AM 42.8 °F 40.1 °F 42.8 °F 100% 30.14 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
7:54 AM 44.1 °F - 44.1 °F 100% 30.11 in 9.0 mi Calm Calm - N/A   Overcast
8:31 AM 48.2 °F - 48.2 °F 100% 30.12 in 8.0 mi East 3.5 mph - N/A   Scattered Clouds
8:54 AM 48.9 °F - 46.9 °F 93% 30.10 in 9.0 mi NW 3.5 mph - N/A   Clear
9:54 AM 52.0 °F - 46.9 °F 83% 30.14 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
10:01 AM 51.8 °F - 46.4 °F 82% 30.16 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
10:10 AM 51.8 °F - 46.4 °F 82% 30.16 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
10:37 AM 53.6 °F - 46.4 °F 77% 30.16 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
10:54 AM 52.0 °F - 46.0 °F 80% 30.13 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
11:54 AM 55.0 °F - 46.0 °F 72% 30.10 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 57.9 °F - 45.0 °F 62% 30.08 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:54 PM 57.9 °F - 46.0 °F 65% 30.08 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
2:54 PM 57.0 °F - 46.0 °F 67% 30.06 in 10.0 mi SSW 11.5 mph - N/A   Clear
3:54 PM 55.9 °F - 46.9 °F 72% 30.06 in 10.0 mi SSW 11.5 mph - N/A   Overcast
4:09 PM 55.4 °F - 46.4 °F 72% 30.08 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
4:54 PM 55.0 °F - 46.9 °F 74% 30.07 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
5:54 PM 54.0 °F - 44.1 °F 69% 30.07 in 10.0 mi WSW 9.2 mph - N/A   Overcast
6:02 PM 53.6 °F - 44.6 °F 72% 30.10 in 10.0 mi WSW 10.4 mph - N/A   Overcast
6:39 PM 53.6 °F - 44.6 °F 72% 30.11 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:54 PM 54.0 °F - 45.0 °F 72% 30.08 in 10.0 mi WSW 6.9 mph - N/A   Overcast
7:54 PM 53.1 °F - 45.0 °F 74% 30.08 in 10.0 mi West 5.8 mph - N/A   Overcast
8:18 PM 51.8 °F - 44.6 °F 76% 30.10 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
8:54 PM 51.1 °F - 45.0 °F 80% 30.09 in 10.0 mi WSW 5.8 mph - N/A   Clear
9:54 PM 48.9 °F - 44.1 °F 83% 30.09 in 10.0 mi West 3.5 mph - N/A   Clear
10:54 PM 50.0 °F - 45.0 °F 83% 30.08 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
11:51 PM 51.8 °F - 44.6 °F 76% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 50.0 °F - 45.0 °F 83% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy