Weather History for Concord, CA

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Saturday, August 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 72 °F  
Max Temperature 84 °F 87 °F 97 °F (2001)
Min Temperature 61 °F 58 °F 53 °F (2006)
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 91  
Year to date cooling degree days 559  
Since 1 June cooling degree days 467  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 57    
Maximum Humidity 78    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in - 0.00 in (2014)
Month to date precipitation 0.00  
Year to date precipitation 2.06  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 12 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 17, 2013 Rise Set
Actual Time 6:25 AM PDT 7:58 PM PDT
Civil Twilight 5:57 AM PDT 8:26 PM PDT
Nautical Twilight 5:23 AM PDT 8:59 PM PDT
Astronomical Twilight 4:48 AM PDT 9:34 PM PDT
Moon 5:17 PM PDT (8/17) 2:36 AM PDT (8/17)
Length of Visible Light 14h 28m
Length of Day
13h 32m
Waxing Gibbous, 85% of the Moon is Illuminated
Aug 17
Waxing Gibbous
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 63.0 °F - 53.1 °F 70% 29.91 in 10.0 mi SSW 12.7 mph - N/A   Clear
1:53 AM 63.0 °F - 54.0 °F 72% 29.90 in 10.0 mi SSW 12.7 mph - N/A   Clear
2:53 AM 61.0 °F - 55.0 °F 81% 29.90 in 10.0 mi SSW 12.7 mph - N/A   Clear
3:53 AM 62.1 °F - 54.0 °F 75% 29.90 in 10.0 mi South 12.7 mph - N/A   Clear
4:53 AM 63.0 °F - 54.0 °F 72% 29.89 in 10.0 mi SSW 10.4 mph 19.6 mph N/A   Clear
5:53 AM 63.0 °F - 54.0 °F 72% 29.91 in 10.0 mi South 9.2 mph - N/A   Clear
6:53 AM 63.0 °F - 53.1 °F 70% 29.91 in 10.0 mi SSW 6.9 mph - N/A   Clear
7:53 AM 64.9 °F - 53.1 °F 65% 29.92 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
8:53 AM 66.9 °F - 55.0 °F 66% 29.94 in 10.0 mi South 8.1 mph - N/A   Clear
9:53 AM 72.0 °F - 55.0 °F 55% 29.93 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
10:53 AM 72.0 °F - 55.9 °F 57% 29.92 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
11:53 AM 75.0 °F - 55.9 °F 51% 29.92 in 10.0 mi SSW 10.4 mph - N/A   Clear
12:53 PM 78.1 °F - 55.0 °F 45% 29.89 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
1:53 PM 81.0 °F - 51.1 °F 35% 29.88 in 10.0 mi WSW 8.1 mph - N/A   Clear
2:53 PM 80.1 °F 80.0 °F 54.0 °F 40% 29.86 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:07 PM 78.8 °F - 55.4 °F 44% 29.90 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
3:53 PM 81.0 °F 80.5 °F 54.0 °F 39% 29.86 in 10.0 mi South 16.1 mph - N/A   Mostly Cloudy
4:53 PM 80.1 °F 80.1 °F 55.0 °F 42% 29.83 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
5:53 PM 82.9 °F 82.4 °F 57.0 °F 41% 29.81 in 10.0 mi South 13.8 mph - N/A   Clear
6:53 PM 77.0 °F - 57.0 °F 50% 29.80 in 10.0 mi South 15.0 mph 23.0 mph N/A   Clear
7:53 PM 72.0 °F - 57.0 °F 59% 29.81 in 10.0 mi SSW 19.6 mph 28.8 mph N/A   Clear
8:53 PM 66.0 °F - 55.9 °F 70% 29.81 in 10.0 mi SSW 17.3 mph - N/A   Clear
9:53 PM 64.9 °F - 55.9 °F 73% 29.83 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Clear
10:53 PM 64.0 °F - 57.0 °F 78% 29.82 in 10.0 mi South 13.8 mph 23.0 mph N/A   Clear
11:53 PM 63.0 °F - 55.9 °F 78% 29.82 in 10.0 mi South 11.5 mph - N/A   Clear