Weather History for Concord, CA

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Wednesday, December 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 48 °F 47 °F  
Max Temperature 63 °F 55 °F 64 °F (1999)
Min Temperature 32 °F 39 °F 27 °F (2011)
Degree Days  
Heating Degree Days 17    
Month to date heating degree days 495  
Since 1 July heating degree days 923  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 826  
Moisture  
Dew Point 37 °F    
Average Humidity 70    
Maximum Humidity 100    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - 0.62 in (2012)
Month to date precipitation 0.46  
Year to date precipitation 4.54  
Since 1 July precipitation 2.48  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 3 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 6 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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Astronomy

Dec. 25, 2013 Rise Set
Actual Time 7:22 AM PST 4:54 PM PST
Civil Twilight 6:52 AM PST 5:24 PM PST
Nautical Twilight 6:19 AM PST 5:57 PM PST
Astronomical Twilight 5:47 AM PST 6:29 PM PST
Moon 12:01 AM PST (12/25) 11:56 AM PST (12/25)
Length of Visible Light 10h 31m
Length of Day
9h 32m
Waning Gibbous, 47% of the Moon is Illuminated
Dec 25
Waning Gibbous
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
12:53 AM 37.9 °F - 34.0 °F 86% 30.23 in 7.0 mi Calm Calm - N/A   Clear
1:53 AM 37.0 °F - 33.1 °F 86% 30.24 in 7.0 mi Calm Calm - N/A   Clear
2:53 AM 35.1 °F - 33.1 °F 92% 30.24 in 6.0 mi Calm Calm - N/A   Clear
3:53 AM 33.1 °F - 30.0 °F 89% 30.23 in 7.0 mi Calm Calm - N/A   Clear
4:53 AM 36.0 °F 29.0 °F 35.1 °F 97% 30.23 in 5.0 mi NNW 9.2 mph - N/A   Clear
5:53 AM 37.9 °F 31.5 °F 37.0 °F 97% 30.23 in 3.0 mi NNW 9.2 mph - N/A   Clear
6:53 AM 37.0 °F 31.6 °F 36.0 °F 96% 30.25 in 3.0 mi NW 6.9 mph - N/A   Clear
7:31 AM 35.6 °F - 35.6 °F 100% 30.30 in 1.8 mi Calm Calm - N/A   Clear
7:53 AM 37.0 °F - 35.1 °F 93% 30.26 in 2.0 mi Calm Calm - N/A   Clear
8:53 AM 42.1 °F 40.2 °F 39.9 °F 92% 30.28 in 2.0 mi NNW 3.5 mph - N/A   Clear
9:07 AM 42.8 °F 40.1 °F 39.2 °F 87% 30.33 in 3.0 mi NNW 4.6 mph - N/A   Clear
9:53 AM 46.9 °F - 41.0 °F 80% 30.29 in 4.0 mi NNW 3.5 mph - N/A   Haze
10:53 AM 53.1 °F - 39.9 °F 61% 30.29 in 5.0 mi North 6.9 mph - N/A   Haze
11:53 AM 57.0 °F - 39.9 °F 53% 30.26 in 5.0 mi Variable 6.9 mph - N/A   Haze
12:53 PM 60.1 °F - 39.9 °F 47% 30.22 in 5.0 mi ENE 9.2 mph - N/A   Haze
1:53 PM 61.0 °F - 39.0 °F 44% 30.19 in 5.0 mi East 6.9 mph - N/A   Haze
2:53 PM 63.0 °F - 37.9 °F 40% 30.19 in 7.0 mi ENE 6.9 mph - N/A   Clear
3:53 PM 62.1 °F - 37.9 °F 41% 30.19 in 7.0 mi NE 3.5 mph - N/A   Clear
4:53 PM 57.0 °F - 37.0 °F 47% 30.18 in 8.0 mi Calm Calm - N/A   Clear
5:53 PM 51.1 °F - 37.0 °F 59% 30.19 in 9.0 mi Calm Calm - N/A   Clear
6:53 PM 46.9 °F - 37.0 °F 68% 30.20 in 8.0 mi Calm Calm - N/A   Clear
7:53 PM 46.0 °F - 37.0 °F 71% 30.22 in 7.0 mi Calm Calm - N/A   Clear
8:53 PM 41.0 °F - 36.0 °F 82% 30.22 in 7.0 mi Calm Calm - N/A   Clear
9:53 PM 42.1 °F - 37.0 °F 82% 30.22 in 7.0 mi Calm Calm - N/A   Clear
10:53 PM 39.0 °F - 34.0 °F 82% 30.23 in 6.0 mi Calm Calm - N/A   Haze
11:53 PM 39.0 °F - 34.0 °F 82% 30.22 in 7.0 mi Calm Calm - N/A   Clear