Weather History for Livermore, CA

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Monday, December 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 48 °F  
Max Temperature 62 °F 58 °F 76 °F (1958)
Min Temperature 39 °F 39 °F 27 °F (1936)
Degree Days  
Heating Degree Days 14 17  
Month to date heating degree days 28 49  
Since 1 July heating degree days 387 521  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 957 830  
Moisture  
Dew Point 44 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 51    
Precipitation  
Precipitation 0.00 in 0.06 in 1.28 in (2014)
Month to date precipitation 1.43 0.16  
Year to date precipitation 12.49 13.19  
Since 1 July precipitation 5.43 3.29  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 3 mph (ENE)    
Max Wind Speed 12 mph    
Max Gust Speed 13 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 03, 2012 Rise Set
Actual Time 7:06 AM PST 4:48 PM PST
Civil Twilight 6:37 AM PST 5:17 PM PST
Nautical Twilight 6:04 AM PST 5:50 PM PST
Astronomical Twilight 5:32 AM PST 6:21 PM PST
Moon 9:37 PM PST (12/3) 10:34 AM PST (12/3)
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 44.1 °F - 43.0 °F 96% 30.11 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 44.1 °F - 43.0 °F 96% 30.12 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 42.1 °F - 41.0 °F 96% 30.13 in 9.0 mi Calm Calm - N/A   Clear
4:53 AM 42.1 °F 39.2 °F 41.0 °F 96% 30.15 in 10.0 mi NE 4.6 mph - N/A   Clear
5:53 AM 42.1 °F - 39.9 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Clear
7:23 AM 41.0 °F - 39.2 °F 93% 30.17 in 1.2 mi Calm Calm - N/A   Partly Cloudy
7:27 AM 39.2 °F - 39.2 °F 100% 30.17 in 0.1 mi Calm Calm - N/A Fog Fog
7:38 AM 39.2 °F 37.0 °F 39.2 °F 100% 30.17 in 0.2 mi WNW 3.5 mph - N/A Fog Fog
7:53 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.19 in 0.2 mi WNW 3.5 mph - N/A Fog Fog
8:10 AM 42.8 °F 41.1 °F 41.0 °F 93% 30.19 in 10.0 mi West 3.5 mph - N/A Fog Patches of Fog
8:46 AM 42.8 °F - 42.8 °F 100% 30.20 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
8:51 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.20 in 0.8 mi South 3.5 mph - N/A   Mostly Cloudy
8:53 AM 43.0 °F 41.3 °F 43.0 °F 100% 30.21 in 1.5 mi South 3.5 mph - N/A   Mostly Cloudy
9:00 AM 42.8 °F - 42.8 °F 100% 30.20 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
9:21 AM 44.6 °F - 42.8 °F 93% 30.21 in 3.0 mi Calm Calm - N/A   Overcast
9:23 AM 44.6 °F - 42.8 °F 93% 30.21 in 3.0 mi Calm Calm - N/A Fog Patches of Fog
9:53 AM 45.0 °F - 44.1 °F 97% 30.22 in 10.0 mi Calm Calm - N/A Fog Patches of Fog
10:53 AM 51.1 °F - 44.1 °F 77% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 55.0 °F - 44.1 °F 67% 30.19 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 59.0 °F - 46.0 °F 62% 30.16 in 10.0 mi Calm Calm - N/A   Clear
1:23 PM 60.8 °F - 44.6 °F 55% 30.15 in 10.0 mi ENE 3.5 mph - N/A   Clear
1:53 PM 60.1 °F - 45.0 °F 57% 30.14 in 10.0 mi NE 3.5 mph - N/A   Clear
2:53 PM 62.1 °F - 44.1 °F 52% 30.15 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 60.1 °F - 43.0 °F 53% 30.16 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 55.9 °F - 46.9 °F 72% 30.16 in 10.0 mi ENE 8.1 mph - N/A   Clear
5:53 PM 54.0 °F - 46.9 °F 77% 30.17 in 10.0 mi ENE 5.8 mph - N/A   Clear
6:53 PM 54.0 °F - 48.0 °F 80% 30.17 in 10.0 mi ENE 6.9 mph - N/A   Clear
7:53 PM 54.0 °F - 48.0 °F 80% 30.17 in 10.0 mi ENE 4.6 mph - N/A   Clear
8:53 PM 54.0 °F - 46.9 °F 77% 30.13 in 10.0 mi ENE 6.9 mph - N/A   Clear
10:53 PM 51.1 °F - 46.9 °F 86% 30.17 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:53 PM 51.1 °F - 46.9 °F 86% 30.16 in 10.0 mi Calm Calm - N/A   Clear