Weather History for Livermore, CA

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Tuesday, September 9, 2014

  Actual Average Record
Temperature  
Mean Temperature 72 °F 71 °F  
Max Temperature 88 °F 86 °F 109 °F (1944)
Min Temperature 55 °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 7 6  
Month to date cooling degree days 66 61  
Year to date cooling degree days 980 686  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 54    
Maximum Humidity 86    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.01 in 0.09 in (1998)
Month to date precipitation 0.00 0.03  
Year to date precipitation 4.88 9.94  
Since 1 July precipitation T 0.04  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 09, 2014 Rise Set
Actual Time 6:44 AM PDT 7:24 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 7:49 PM PDT (9/9) 7:25 AM PDT (9/9)
Length of Visible Light 13h 32m
Length of Day
12h 39m
Full, 99% of the Moon is Illuminated
Sep 9
Full
Sep 15
Last Quarter
Sep 23
New
Oct 1
First Quarter
Oct 8
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.9 °F 52.0 °F 87% 29.95 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:53 AM 55.0 °F 51.1 °F 86% 29.95 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:44 AM 55.4 °F 51.8 °F 88% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 55.0 °F 52.0 °F 89% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 55.0 °F 52.0 °F 89% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 55.0 °F 52.0 °F 89% 29.95 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
5:53 AM 55.9 °F 52.0 °F 87% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:53 AM 57.0 °F 53.1 °F 87% 29.96 in 10.0 mi South 3.5 mph - N/A   Overcast
7:53 AM 57.0 °F 53.1 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 59.0 °F 53.1 °F 81% 29.99 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:11 AM 60.8 °F 53.6 °F 77% 29.99 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 61.0 °F 53.1 °F 75% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 64.9 °F 53.1 °F 65% 29.99 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 86.0 °F 50.0 °F 29% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:53 PM 87.1 °F 42.1 °F 21% 29.88 in 10.0 mi West 8.1 mph - N/A   Clear
4:53 PM 84.0 °F 48.0 °F 28% 29.88 in 10.0 mi WNW 11.5 mph - N/A   Clear
5:53 PM 82.0 °F 50.0 °F 33% 29.87 in 10.0 mi West 9.2 mph - N/A   Clear
6:53 PM 77.0 °F 50.0 °F 39% 29.87 in 10.0 mi West 8.1 mph - N/A   Clear
7:53 PM 73.0 °F 50.0 °F 44% 29.88 in 10.0 mi NW 5.8 mph - N/A   Clear
8:53 PM 69.1 °F 51.1 °F 53% 29.89 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 PM 68.0 °F 50.0 °F 52% 29.89 in 10.0 mi WNW 4.6 mph - N/A   Clear
10:53 PM 66.0 °F 50.0 °F 56% 29.90 in 10.0 mi NW 3.5 mph - N/A   Clear
11:53 PM 64.9 °F 48.9 °F 56% 29.90 in 10.0 mi Calm Calm - N/A   Clear