Weather History for Livermore, CA

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Monday, September 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 83 °F 71 °F  
Max Temperature 102 °F 86 °F 109 °F (1944)
Min Temperature 63 °F 57 °F 43 °F (1972)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 7  
Cooling Degree Days 18 6  
Month to date cooling degree days 99 61  
Year to date cooling degree days 923 686  
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 39    
Maximum Humidity 60    
Minimum Humidity 17    
Precipitation  
Precipitation 0.00 in 0.01 in 0.09 in (1998)
Month to date precipitation 0.01 0.03  
Year to date precipitation 2.13 9.94  
Since 1 July precipitation 0.01 0.04  
Sea Level Pressure  
Sea Level Pressure 29.74 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 09, 2013 Rise Set
Actual Time 6:44 AM PDT 7:23 PM PDT
Civil Twilight 6:17 AM PDT 7:50 PM PDT
Nautical Twilight 5:46 AM PDT 8:21 PM PDT
Astronomical Twilight 5:14 AM PDT 8:53 PM PDT
Moon 11:05 AM PDT (9/9) 9:50 PM PDT (9/9)
Length of Visible Light 13h 32m
Length of Day
12h 39m
Waxing Crescent, 20% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F 50.0 °F 47% 29.78 in 10.0 mi NW 3.5 mph - N/A   Clear
1:53 AM 71.1 °F 50.0 °F 47% 29.77 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 70.0 °F 51.1 °F 51% 29.76 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 68.0 °F 51.1 °F 55% 29.76 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 66.9 °F 48.0 °F 51% 29.76 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 64.9 °F 48.0 °F 54% 29.77 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 64.9 °F 50.0 °F 58% 29.78 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 68.0 °F 50.0 °F 52% 29.80 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 71.1 °F 52.0 °F 51% 29.80 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 77.0 °F 50.0 °F 39% 29.79 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 82.9 °F 48.9 °F 31% 29.78 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 89.1 °F 46.9 °F 23% 29.76 in 10.0 mi SW 3.5 mph - N/A   Clear
12:53 PM 93.9 °F 45.0 °F 18% 29.74 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 97.0 °F 45.0 °F 17% 29.71 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:53 PM 100.9 °F 48.9 °F 17% 29.70 in 10.0 mi West 11.5 mph 17.3 mph N/A   Clear
3:53 PM 99.0 °F 51.1 °F 20% 29.68 in 10.0 mi West 13.8 mph - N/A   Clear
4:53 PM 95.0 °F 45.0 °F 18% 29.68 in 10.0 mi West 17.3 mph - N/A   Clear
5:53 PM 91.0 °F 41.0 °F 17% 29.69 in 10.0 mi West 16.1 mph - N/A   Clear
6:53 PM 87.1 °F 41.0 °F 20% 29.68 in 10.0 mi West 13.8 mph - N/A   Clear
7:53 PM 81.0 °F 43.0 °F 26% 29.69 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 PM 77.0 °F 46.9 °F 34% 29.71 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 PM 73.0 °F 50.0 °F 44% 29.72 in 10.0 mi NW 9.2 mph - N/A   Clear
10:53 PM 72.0 °F 51.1 °F 48% 29.72 in 10.0 mi NW 8.1 mph - N/A   Clear
11:53 PM 70.0 °F 51.1 °F 51% 29.72 in 10.0 mi West 3.5 mph - N/A   Clear