Napa County, CA

2:25 AM PST on January 20, 2018 (GMT -0800)
Napa County

Weather History for KAPC - December, 2013

Change the Weather History Date:

Tuesday, December 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F 45 °F  
Max Temperature 59 °F 54 °F 62 °F (2011)
Min Temperature 30 °F 36 °F 24 °F (2015)
Degree Days  
Heating Degree Days 20    
Month to date heating degree days 666  
Since 1 July heating degree days 1345  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 303  
Moisture  
Dew Point 32 °F    
Average Humidity 69    
Maximum Humidity 100    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in - 2.00 in (2005)
Month to date precipitation 0.47  
Year to date precipitation 4.17  
Since 1 July precipitation 2.20  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 1 mph (WNW)    
Max Wind Speed 6 mph    
Max Gust Speed 8 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 31, 2013 Rise Set
Actual Time 7:25 AM PST 4:59 PM PST
Civil Twilight 6:56 AM PST 5:28 PM PST
Nautical Twilight 6:23 AM PST 6:01 PM PST
Astronomical Twilight 5:51 AM PST 6:33 PM PST
Moon 6:24 AM PST (12/31) 4:40 PM PST (12/31)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 23
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 34.0 °F 29.8 °F 28.9 °F 82% 30.21 in 8.0 mi North 4.6 mph - N/A   Clear
1:54 AM 34.0 °F - 30.9 °F 89% 30.21 in 7.0 mi Calm Calm - N/A   Clear
2:54 AM 33.1 °F - 30.9 °F 92% 30.22 in 7.0 mi Calm Calm - N/A   Clear
3:54 AM 33.1 °F - 30.9 °F 92% 30.21 in 6.0 mi Calm Calm - N/A   Clear
4:54 AM 35.1 °F - 33.1 °F 92% 30.21 in 8.0 mi Calm Calm - N/A   Clear
5:54 AM 33.1 °F - 30.9 °F 92% 30.19 in 6.0 mi Calm Calm - N/A   Clear
6:54 AM 30.9 °F - 30.0 °F 96% 30.22 in 7.0 mi Calm Calm - N/A   Clear
7:54 AM 32.0 °F - 30.0 °F 92% 30.23 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 39.0 °F - 35.1 °F 86% 30.24 in 7.0 mi Calm Calm - N/A   Clear
9:54 AM 44.1 °F - 39.0 °F 82% 30.25 in 9.0 mi Calm Calm - N/A   Clear
10:54 AM 46.9 °F - 39.0 °F 74% 30.25 in 7.0 mi Calm Calm - N/A   Clear
11:54 AM 51.1 °F - 36.0 °F 56% 30.22 in 9.0 mi WSW 4.6 mph - N/A   Clear
12:54 PM 55.0 °F - 35.1 °F 47% 30.17 in 9.0 mi NW 3.5 mph - N/A   Clear
1:54 PM 57.0 °F - 34.0 °F 42% 30.16 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:54 PM 59.0 °F - 34.0 °F 39% 30.15 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:54 PM 57.9 °F - 35.1 °F 42% 30.15 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 54.0 °F - 33.1 °F 45% 30.14 in 10.0 mi Calm Calm - N/A   Clear
5:54 PM 43.0 °F - 32.0 °F 65% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 37.0 °F - 30.0 °F 76% 30.14 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 37.9 °F - 30.0 °F 73% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 34.0 °F - 28.9 °F 82% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 33.1 °F - 28.9 °F 85% 30.16 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 34.0 °F - 28.9 °F 82% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 37.0 °F 33.3 °F 30.9 °F 79% 30.18 in 10.0 mi ENE 4.6 mph - N/A   Clear