Napa County, CA

10:01 PM PDT on July 20, 2017 (GMT -0700)
Napa County

Weather History for KAPC - January, 2013

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Thursday, January 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 47 °F  
Max Temperature 65 °F 57 °F 122 °F (2016)
Min Temperature 33 °F 38 °F 23 °F (2001)
Degree Days  
Heating Degree Days 16    
Month to date heating degree days 620  
Since 1 July heating degree days 1732  
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 76    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - 2.04 in (1963)
Month to date precipitation 0.34  
Year to date precipitation 0.34  
Since 1 July precipitation 8.13  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 4 mph (NE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Jan. 31, 2013 Rise Set
Actual Time 7:14 AM PST 5:31 PM PST
Civil Twilight 6:46 AM PST 5:59 PM PST
Nautical Twilight 6:15 AM PST 6:30 PM PST
Astronomical Twilight 5:44 AM PST 7:01 PM PST
Moon 10:33 PM PST (1/31) 9:22 AM PST (1/31)
Length of Visible Light 11h 12m
Length of Day
10h 16m
Waning Gibbous, 79% of the Moon is Illuminated
Jan 31
Waning Gibbous
Feb 3
Last Quarter
Feb 9
New
Feb 17
First Quarter
Feb 25
Full

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 - 36.0 °F 89% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 36.0 °F - 34.0 °F 93% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 39.0 °F - 37.0 °F 93% 30.25 in 2.5 mi Calm Calm - N/A   Clear
3:06 AM 37.4 °F - 35.6 °F 93% 30.28 in 0.5 mi Calm Calm - N/A   Unknown
3:54 AM 33.1 °F - 33.1 °F 100% 30.25 in 0.5 mi Calm Calm - N/A   Unknown
4:32 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.27 in 2.0 mi NNE 3.5 mph - N/A   Partly Cloudy
4:39 AM 35.6 °F - 35.6 °F 100% 30.27 in 9.0 mi Calm Calm - N/A   Clear
4:45 AM 33.8 °F - 33.8 °F 100% 30.28 in 1.5 mi Calm Calm - N/A   Clear
4:54 AM 35.1 °F - 33.1 °F 92% 30.25 in 0.8 mi Calm Calm - N/A   Clear
5:01 AM 33.8 °F - 32.0 °F 93% 30.28 in 1.0 mi Calm Calm - N/A   Clear
5:11 AM 37.4 °F 34.9 °F 35.6 °F 93% 30.28 in 3.0 mi NNE 3.5 mph - N/A   Clear
5:36 AM 33.8 °F - 33.8 °F 100% 30.28 in 1.8 mi Calm Calm - N/A   Clear
5:41 AM 33.8 °F - 33.8 °F 100% 30.28 in 3.0 mi Calm Calm - N/A   Clear
5:54 AM 35.1 °F - 34.0 °F 96% 30.26 in 0.8 mi Calm Calm - N/A   Clear
6:06 AM 33.8 °F 29.6 °F 33.8 °F 100% 30.28 in 1.8 mi North 4.6 mph - N/A   Clear
6:10 AM 33.8 °F 28.6 °F 32.0 °F 93% 30.28 in 3.0 mi North 5.8 mph - N/A   Clear
6:54 AM 36.0 °F 31.1 °F 35.1 °F 97% 30.27 in 9.0 mi North 5.8 mph - N/A   Clear
7:54 AM 37.0 °F 32.4 °F 36.0 °F 96% 30.27 in 10.0 mi North 5.8 mph - N/A   Clear
8:54 AM 45.0 °F 41.8 °F 42.1 °F 90% 30.28 in 10.0 mi North 5.8 mph - N/A   Clear
9:54 AM 52.0 °F - 44.1 °F 74% 30.28 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 57.0 °F - 45.0 °F 64% 30.27 in 10.0 mi East 9.2 mph - N/A   Clear
11:54 AM 60.1 °F - 48.0 °F 64% 30.25 in 10.0 mi East 10.4 mph - N/A   Clear
12:54 PM 62.1 °F - 46.9 °F 58% 30.22 in 10.0 mi East 8.1 mph - N/A   Clear
1:54 PM 64.0 °F - 46.0 °F 52% 30.19 in 10.0 mi ESE 8.1 mph - N/A   Clear
2:54 PM 64.9 °F - 46.9 °F 52% 30.18 in 10.0 mi East 9.2 mph - N/A   Clear
3:54 PM 64.0 °F - 46.9 °F 54% 30.18 in 10.0 mi ESE 8.1 mph - N/A   Clear
4:54 PM 60.1 °F - 46.0 °F 60% 30.17 in 10.0 mi SE 6.9 mph - N/A   Clear
7:54 PM 48.9 °F - 43.0 °F 80% 30.17 in 9.0 mi Calm Calm - N/A   Clear
8:54 PM 46.0 °F 44.8 °F 41.0 °F 83% 30.18 in 7.0 mi NE 3.5 mph - N/A   Clear
9:54 PM 45.0 °F 42.6 °F 41.0 °F 86% 30.18 in 8.0 mi NNE 4.6 mph - N/A   Clear
11:54 PM 43.0 °F 40.3 °F 39.0 °F 86% 30.18 in 9.0 mi North 4.6 mph - N/A   Clear