Weather History for Livermore, CA

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Friday, October 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 64 °F  
Max Temperature 66 °F 78 °F 96 °F (1971)
Min Temperature 52 °F 50 °F 35 °F (1947)
Degree Days  
Heating Degree Days 6 2  
Month to date heating degree days 24 21  
Since 1 July heating degree days 29 45  
Cooling Degree Days 0 2  
Month to date cooling degree days 47 28  
Year to date cooling degree days 924 817  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 75    
Maximum Humidity 93    
Minimum Humidity 56    
Precipitation  
Precipitation 0.03 in 0.03 in 0.22 in (1972)
Month to date precipitation 0.03 0.23  
Year to date precipitation 7.09 10.36  
Since 1 July precipitation 0.03 0.46  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 12 mph    
Max Gust Speed 17 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 12, 2012 Rise Set
Actual Time 7:13 AM PDT 6:33 PM PDT
Civil Twilight 6:46 AM PDT 6:59 PM PDT
Nautical Twilight 6:16 AM PDT 7:29 PM PDT
Astronomical Twilight 5:46 AM PDT 8:00 PM PDT
Moon 4:05 AM PDT (10/12) 4:43 PM PDT (10/12)
Length of Visible Light 12h 12m
Length of Day
11h 19m
Waning Crescent, 10% of the Moon is Illuminated
Oct 12
Waning Crescent
Oct 15
New
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:24 AM 57.2 °F 48.2 °F 72% 29.96 in 10.0 mi SW 4.6 mph - N/A   Overcast
12:53 AM 57.0 °F 48.9 °F 74% 29.96 in 10.0 mi West 4.6 mph - N/A   Overcast
1:53 AM 57.0 °F 48.9 °F 74% 29.97 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:27 AM 55.4 °F 50.0 °F 82% 29.97 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:44 AM 57.2 °F 50.0 °F 77% 29.97 in 10.0 mi SW 5.8 mph - N/A   Overcast
2:53 AM 57.0 °F 50.0 °F 77% 29.97 in 10.0 mi SSW 4.6 mph - N/A   Overcast
3:53 AM 57.0 °F 50.0 °F 77% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Overcast
4:53 AM 55.0 °F 52.0 °F 89% 29.98 in 8.0 mi WNW 6.9 mph - N/A   Overcast
5:53 AM 55.0 °F 52.0 °F 89% 30.00 in 10.0 mi SW 5.8 mph - N/A   Overcast
6:53 AM 54.0 °F 52.0 °F 93% 30.02 in 4.0 mi WNW 6.9 mph - N/A   Overcast
7:13 AM 53.6 °F 51.8 °F 94% 30.02 in 2.5 mi West 8.1 mph - 0.02 in Rain Light Rain
7:20 AM 53.6 °F 51.8 °F 94% 30.03 in 2.5 mi West 4.6 mph - 0.02 in   Overcast
7:30 AM 53.6 °F 51.8 °F 94% 30.03 in 3.0 mi WSW 3.5 mph - 0.02 in   Mostly Cloudy
7:53 AM 54.0 °F 52.0 °F 93% 30.04 in 5.0 mi Calm Calm - 0.02 in   Overcast
8:05 AM 55.4 °F 51.8 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
8:15 AM 55.4 °F 51.8 °F 88% 30.05 in 7.0 mi Calm Calm - N/A   Overcast
9:07 AM 55.4 °F 51.8 °F 88% 30.08 in 2.5 mi West 5.8 mph - 0.01 in Rain Light Rain
9:39 AM 55.4 °F 51.8 °F 88% 30.09 in 10.0 mi West 8.1 mph - 0.01 in   Overcast
9:53 AM 55.0 °F 51.1 °F 86% 30.09 in 4.0 mi West 10.4 mph - 0.01 in   Overcast
10:53 AM 57.0 °F 51.1 °F 81% 30.11 in 8.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
11:53 AM 57.9 °F 52.0 °F 81% 30.12 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
12:53 PM 60.1 °F 51.1 °F 72% 30.13 in 10.0 mi WSW 9.2 mph - N/A   Overcast
1:20 PM 62.6 °F 51.8 °F 68% 30.13 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
1:53 PM 62.1 °F 51.1 °F 67% 30.13 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
3:53 PM 64.9 °F 48.9 °F 56% 30.13 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:53 PM 64.0 °F 48.9 °F 58% 30.14 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
5:53 PM 62.1 °F 48.0 °F 60% 30.15 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
7:53 PM 60.1 °F 48.0 °F 64% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
8:53 PM 57.9 °F 48.0 °F 70% 30.19 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
9:53 PM 57.0 °F 48.0 °F 72% 30.21 in 10.0 mi West 3.5 mph - N/A   Overcast
10:53 PM 55.0 °F 48.0 °F 77% 30.22 in 10.0 mi West 4.6 mph - N/A   Overcast
11:53 PM 54.0 °F 48.0 °F 80% 30.22 in 10.0 mi Calm Calm - N/A   Clear