Weather History for Concord, CA

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Wednesday, December 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 50 °F 47 °F  
Max Temperature 65 °F 55 °F 65 °F (2013)
Min Temperature 35 °F 40 °F 28 °F (2006)
Degree Days  
Heating Degree Days 15    
Month to date heating degree days 379  
Since 1 July heating degree days 807  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 826  
Moisture  
Dew Point 39 °F    
Average Humidity 68    
Maximum Humidity 92    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - 1.66 in (2005)
Month to date precipitation 0.46  
Year to date precipitation 4.54  
Since 1 July precipitation 2.48  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 9 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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Date:

Astronomy

Dec. 18, 2013 Rise Set
Actual Time 7:19 AM PST 4:51 PM PST
Civil Twilight 6:49 AM PST 5:20 PM PST
Nautical Twilight 6:16 AM PST 5:53 PM PST
Astronomical Twilight 5:44 AM PST 6:25 PM PST
Moon 6:26 PM PST (12/18) 8:03 AM PST (12/18)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Full, 98% of the Moon is Illuminated
Dec 18
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

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 39.9 °F - 35.1 °F 83% 30.01 in 9.0 mi Calm Calm - N/A   Clear
1:53 AM 39.0 °F - 35.1 °F 86% 30.00 in 8.0 mi Calm Calm - N/A   Clear
2:53 AM 39.9 °F - 36.0 °F 86% 29.98 in 8.0 mi Calm Calm - N/A   Clear
3:53 AM 37.9 °F 35.5 °F 35.1 °F 89% 29.97 in 7.0 mi SSE 3.5 mph - N/A   Clear
4:53 AM 39.9 °F - 35.1 °F 83% 29.97 in 9.0 mi Calm Calm - N/A   Clear
5:53 AM 37.0 °F - 34.0 °F 89% 29.94 in 8.0 mi Calm Calm - N/A   Clear
6:53 AM 37.0 °F - 34.0 °F 89% 29.93 in 8.0 mi Calm Calm - N/A   Clear
7:53 AM 37.9 °F - 34.0 °F 86% 29.93 in 7.0 mi Calm Calm - N/A   Clear
8:53 AM 44.1 °F - 36.0 °F 73% 29.94 in 8.0 mi Calm Calm - N/A   Clear
9:53 AM 50.0 °F - 36.0 °F 59% 29.94 in 9.0 mi Calm Calm - N/A   Clear
10:53 AM 53.1 °F - 37.9 °F 57% 29.92 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 57.0 °F - 36.0 °F 45% 29.87 in 10.0 mi South 4.6 mph - N/A   Clear
12:53 PM 57.9 °F - 37.9 °F 47% 29.82 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
1:53 PM 62.1 °F - 39.0 °F 43% 29.79 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 PM 63.0 °F - 41.0 °F 45% 29.77 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
3:53 PM 57.9 °F - 41.0 °F 53% 29.76 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
4:53 PM 53.1 °F - 43.0 °F 69% 29.77 in 10.0 mi South 12.7 mph - N/A   Clear
5:53 PM 50.0 °F - 44.1 °F 80% 29.77 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
6:53 PM 51.1 °F - 45.0 °F 80% 29.76 in 10.0 mi South 12.7 mph - N/A   Clear
7:53 PM 51.1 °F - 45.0 °F 80% 29.76 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
8:53 PM 51.1 °F - 45.0 °F 80% 29.74 in 10.0 mi South 11.5 mph - N/A   Clear
9:53 PM 50.0 °F - 45.0 °F 83% 29.73 in 10.0 mi SSW 12.7 mph - N/A   Clear
10:53 PM 48.0 °F - 44.1 °F 86% 29.73 in 10.0 mi South 8.1 mph - N/A   Clear
11:53 PM 48.0 °F - 43.0 °F 83% 29.71 in 10.0 mi SSW 10.4 mph - N/A   Clear