Weather History for Livermore, CA

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Monday, August 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 84 °F 72 °F  
Max Temperature 103 °F 87 °F 110 °F (1933)
Min Temperature 65 °F 57 °F 47 °F (1951)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 37 36  
Since 1 July heating degree days 0 4  
Cooling Degree Days 19 7  
Month to date cooling degree days 148 99  
Year to date cooling degree days 569 493  
Since 1 June cooling degree days 495 440  
Growing Degree Days 34 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 40    
Maximum Humidity 68    
Minimum Humidity 11    
Precipitation  
Precipitation 0.00 in 0.00 in 0.03 in (1991)
Month to date precipitation 0.00 0.00  
Year to date precipitation 7.06 9.90  
Since 1 July precipitation 0.00 T  
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 13, 2012 Rise Set
Actual Time 6:21 AM PDT 8:01 PM PDT
Civil Twilight 5:53 AM PDT 8:29 PM PDT
Nautical Twilight 5:19 AM PDT 9:03 PM PDT
Astronomical Twilight 4:43 AM PDT 9:39 PM PDT
Moon 2:31 AM PDT (8/13) 5:15 PM PDT (8/13)
Length of Visible Light 14h 35m
Length of Day
13h 39m
Waning Crescent, 15% of the Moon is Illuminated
Aug 13
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 72.0 °F 48.0 °F 43% 29.80 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:53 AM 71.1 °F 48.9 °F 45% 29.79 in 10.0 mi WNW 5.8 mph - N/A   Clear
2:53 AM 69.1 °F 52.0 °F 54% 29.79 in 10.0 mi WNW 4.6 mph - N/A   Clear
3:53 AM 68.0 °F 54.0 °F 61% 29.79 in 10.0 mi WNW 6.9 mph - N/A   Clear
4:53 AM 66.0 °F 55.0 °F 68% 29.79 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:53 AM 66.0 °F 53.1 °F 63% 29.80 in 10.0 mi NW 4.6 mph - N/A   Clear
6:53 AM 66.0 °F 55.0 °F 68% 29.81 in 10.0 mi NW 5.8 mph - N/A   Clear
7:53 AM 68.0 °F 55.0 °F 63% 29.83 in 10.0 mi NW 3.5 mph - N/A   Clear
8:53 AM 72.0 °F 55.9 °F 57% 29.83 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:53 AM 77.0 °F 54.0 °F 45% 29.82 in 10.0 mi WSW 4.6 mph - N/A   Clear
10:53 AM 84.9 °F 52.0 °F 32% 29.81 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 AM 89.1 °F 46.9 °F 23% 29.80 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:53 PM 95.0 °F 44.1 °F 17% 29.78 in 10.0 mi Variable 6.9 mph - N/A   Clear
1:53 PM 100.0 °F 35.1 °F 10% 29.76 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:53 PM 102.0 °F 37.9 °F 11% 29.74 in 10.0 mi West 6.9 mph - N/A   Clear
3:53 PM 100.0 °F 37.0 °F 11% 29.73 in 10.0 mi WNW 12.7 mph - N/A   Clear
4:53 PM 98.1 °F 35.1 °F 11% 29.73 in 10.0 mi West 15.0 mph - N/A   Clear
5:53 PM 95.0 °F 36.0 °F 13% 29.73 in 10.0 mi WNW 12.7 mph - N/A   Clear
6:53 PM 91.0 °F 36.0 °F 14% 29.73 in 10.0 mi WNW 13.8 mph - N/A   Clear
7:53 PM 86.0 °F 34.0 °F 16% 29.74 in 10.0 mi West 12.7 mph - N/A   Clear
8:53 PM 82.9 °F 36.0 °F 19% 29.75 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:53 PM 80.1 °F 36.0 °F 20% 29.76 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 PM 78.1 °F 37.9 °F 24% 29.76 in 10.0 mi NW 5.8 mph - N/A   Clear
11:53 PM 73.9 °F 46.0 °F 37% 29.76 in 10.0 mi West 6.9 mph - N/A   Clear