Weather History for Livermore, CA

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Thursday, May 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 74 °F 64 °F  
Max Temperature 96 °F 77 °F 104 °F (2001)
Min Temperature 52 °F 52 °F 41 °F (1962)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 79 127  
Since 1 July heating degree days 2562 2748  
Cooling Degree Days 9 2  
Month to date cooling degree days 47 44  
Year to date cooling degree days 74 53  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 52    
Maximum Humidity 83    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.01 in 0.21 in (1944)
Month to date precipitation 0.04 0.62  
Year to date precipitation 6.99 9.86  
Since 1 July precipitation 8.90 15.67  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 16 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

May. 31, 2012 Rise Set
Actual Time 5:47 AM PDT 8:23 PM PDT
Civil Twilight 5:16 AM PDT 8:53 PM PDT
Nautical Twilight 4:38 AM PDT 9:31 PM PDT
Astronomical Twilight 3:56 AM PDT 10:14 PM PDT
Moon 4:22 PM PDT (5/31) 2:44 AM PDT (5/31)
Length of Visible Light 15h 36m
Length of Day
14h 35m
Waxing Gibbous, 81% of the Moon is Illuminated
May 31
Waxing Gibbous
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Jun 26
First 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 46.0 °F 67% 30.02 in 10.0 mi West 4.6 mph - N/A   Clear
1:53 AM 55.9 °F 46.0 °F 69% 30.01 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 55.0 °F 46.0 °F 72% 30.00 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 54.0 °F 46.9 °F 77% 30.00 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 52.0 °F 46.9 °F 83% 30.00 in 10.0 mi West 3.5 mph - N/A   Clear
5:53 AM 52.0 °F 46.9 °F 83% 30.01 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 55.0 °F 48.0 °F 77% 30.02 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 59.0 °F 48.0 °F 67% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 63.0 °F 48.9 °F 60% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 70.0 °F 48.0 °F 46% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 77.0 °F 46.9 °F 34% 29.97 in 10.0 mi SW 3.5 mph - N/A   Clear
11:00 AM 77.0 °F 46.4 °F 34% 29.98 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 82.9 °F 39.9 °F 22% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:53 PM 88.0 °F 46.0 °F 23% 29.92 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 91.0 °F 46.0 °F 21% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:53 PM 93.9 °F 48.9 °F 21% 29.87 in 10.0 mi SW 5.8 mph - N/A   Clear
3:53 PM 96.1 °F 52.0 °F 22% 29.85 in 10.0 mi West 11.5 mph - N/A   Clear
4:53 PM 91.9 °F 51.1 °F 25% 29.84 in 10.0 mi West 13.8 mph - N/A   Clear
5:53 PM 90.0 °F 48.9 °F 24% 29.84 in 10.0 mi West 15.0 mph - N/A   Clear
6:53 PM 86.0 °F 48.9 °F 28% 29.83 in 10.0 mi West 11.5 mph - N/A   Clear
7:53 PM 82.9 °F 52.0 °F 34% 29.84 in 10.0 mi West 9.2 mph - N/A   Clear
9:53 PM 75.0 °F 46.0 °F 36% 29.85 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 69.1 °F 48.0 °F 47% 29.83 in 10.0 mi Calm Calm - N/A   Clear