Weather History for Livermore, CA

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Sunday, May 25, 2014

  Actual Average Record
Temperature  
Mean Temperature 74 °F 64 °F  
Max Temperature 93 °F 77 °F 97 °F (1979)
Min Temperature 54 °F 51 °F 39 °F (1980)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 34 110  
Since 1 July heating degree days 1891 2732  
Cooling Degree Days 9 2  
Month to date cooling degree days 88 36  
Year to date cooling degree days 107 45  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 48    
Maximum Humidity 77    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.01 in 0.68 in (1931)
Month to date precipitation T 0.56  
Year to date precipitation 4.88 9.80  
Since 1 July precipitation 7.26 15.61  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 20 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 25, 2014 Rise Set
Actual Time 5:50 AM PDT 8:18 PM PDT
Civil Twilight 5:20 AM PDT 8:48 PM PDT
Nautical Twilight 4:43 AM PDT 9:26 PM PDT
Astronomical Twilight 4:01 AM PDT 10:07 PM PDT
Moon 3:54 AM PDT (5/25) 5:27 PM PDT (5/25)
Length of Visible Light 15h 28m
Length of Day
14h 27m
Waning Crescent, 10% of the Moon is Illuminated
May 25
Waning Crescent
May 28
New
Jun 5
First Quarter
Jun 12
Full
Jun 19
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 57.0 °F 48.9 °F 74% 29.95 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:53 AM 57.0 °F 48.9 °F 74% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 AM 55.0 °F 48.0 °F 77% 29.93 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 AM 55.0 °F 48.9 °F 80% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Clear
6:53 AM 57.9 °F 50.0 °F 75% 29.95 in 10.0 mi NW 4.6 mph - N/A   Clear
8:53 AM 64.9 °F 50.0 °F 58% 29.96 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:53 AM 71.1 °F 48.9 °F 45% 29.96 in 10.0 mi Variable 5.8 mph - N/A   Clear
10:53 AM 77.0 °F 48.9 °F 37% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 AM 82.9 °F 48.0 °F 29% 29.94 in 10.0 mi WSW 5.8 mph - N/A   Clear
12:53 PM 86.0 °F 48.9 °F 28% 29.92 in 10.0 mi Variable 6.9 mph - N/A   Clear
1:53 PM 90.0 °F 46.9 °F 23% 29.91 in 10.0 mi WNW 11.5 mph - N/A   Clear
2:53 PM 91.9 °F 43.0 °F 18% 29.90 in 10.0 mi West 12.7 mph - N/A   Clear
3:53 PM 89.1 °F 46.0 °F 22% 29.88 in 10.0 mi West 17.3 mph - N/A   Clear
4:53 PM 88.0 °F 45.0 °F 22% 29.88 in 10.0 mi WNW 13.8 mph - N/A   Clear
5:53 PM 84.0 °F 48.0 °F 28% 29.88 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:53 PM 81.0 °F 46.9 °F 30% 29.88 in 10.0 mi West 8.1 mph - N/A   Clear
7:53 PM 75.9 °F 46.9 °F 36% 29.89 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:53 PM 70.0 °F 44.1 °F 39% 29.90 in 10.0 mi West 5.8 mph - N/A   Clear
9:53 PM 68.0 °F 45.0 °F 43% 29.91 in 10.0 mi WSW 8.1 mph - N/A   Clear
10:53 PM 62.1 °F 48.0 °F 60% 29.93 in 10.0 mi West 4.6 mph - N/A   Clear
11:53 PM 63.0 °F 48.0 °F 58% 29.93 in 10.0 mi NW 3.5 mph - N/A   Clear