Weather History for Concord, CA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 72 °F  
Max Temperature 87 °F 87 °F 91 °F (2007)
Min Temperature 58 °F 58 °F 51 °F (2002)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 2  
Since 1 June heating degree days 17  
Since 1 July heating degree days 6  
Cooling Degree Days 8    
Month to date cooling degree days 126  
Year to date cooling degree days 594  
Since 1 June cooling degree days 502  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 55    
Maximum Humidity 84    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - 0.00 in (2014)
Month to date precipitation T  
Year to date precipitation 2.06  
Since 1 July precipitation T  
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 11 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:28 AM PDT 7:54 PM PDT
Civil Twilight 6:00 AM PDT 8:21 PM PDT
Nautical Twilight 5:27 AM PDT 8:55 PM PDT
Astronomical Twilight 4:52 AM PDT 9:29 PM PDT
Moon 7:30 PM PDT (8/20) 6:03 AM PDT (8/20)
Length of Visible Light 14h 21m
Length of Day
13h 26m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.9 °F - 53.1 °F 61% 29.81 in 10.0 mi WNW 5.8 mph - N/A   Clear
1:53 AM 64.0 °F - 55.0 °F 73% 29.80 in 10.0 mi NW 5.8 mph - N/A   Clear
2:53 AM 64.0 °F - 54.0 °F 70% 29.78 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:53 AM 63.0 °F - 54.0 °F 72% 29.79 in 10.0 mi West 13.8 mph - N/A   Clear
4:53 AM 61.0 °F - 55.0 °F 81% 29.80 in 10.0 mi West 8.1 mph - N/A   Clear
5:53 AM 60.1 °F - 55.0 °F 83% 29.81 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:53 AM 60.1 °F - 55.0 °F 83% 29.83 in 10.0 mi West 5.8 mph - N/A   Clear
7:53 AM 62.1 °F - 55.0 °F 78% 29.83 in 10.0 mi West 10.4 mph - N/A   Clear
8:53 AM 64.0 °F - 55.0 °F 73% 29.84 in 10.0 mi West 9.2 mph - N/A   Clear
11:53 AM 77.0 °F - 54.0 °F 45% 29.83 in 10.0 mi NW 16.1 mph - N/A   Clear
12:53 PM 80.1 °F 79.9 °F 53.1 °F 39% 29.81 in 10.0 mi NW 15.0 mph - N/A   Clear
1:53 PM 81.0 °F - 52.0 °F 36% 29.81 in 10.0 mi West 13.8 mph 24.2 mph N/A   Clear
2:53 PM 84.9 °F - 48.9 °F 29% 29.79 in 10.0 mi West 11.5 mph - N/A   Clear
3:53 PM 86.0 °F - 46.9 °F 26% 29.76 in 10.0 mi West 11.5 mph - N/A   Clear
4:53 PM 82.9 °F - 48.9 °F 31% 29.75 in 10.0 mi West 13.8 mph - N/A   Clear
5:53 PM 79.0 °F - 48.0 °F 34% 29.75 in 10.0 mi WSW 11.5 mph - N/A   Clear
6:53 PM 75.0 °F - 46.0 °F 36% 29.77 in 10.0 mi West 9.2 mph - N/A   Clear
7:53 PM 70.0 °F - 43.0 °F 38% 29.79 in 10.0 mi West 15.0 mph - N/A   Clear
8:53 PM 66.0 °F - 46.0 °F 48% 29.81 in 10.0 mi West 16.1 mph - N/A   Clear
9:53 PM 62.1 °F - 52.0 °F 70% 29.84 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 PM 60.1 °F - 53.1 °F 78% 29.84 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 PM 59.0 °F - 53.1 °F 81% 29.84 in 10.0 mi West 10.4 mph - N/A   Clear