Livermore, CA

3:48 AM PDT on March 26, 2017 (GMT -0700)
Livermore Municipal

Weather History for KLVK - December, 2012

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Friday, December 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 46 °F  
Max Temperature 59 °F 56 °F 67 °F (2005)
Min Temperature 38 °F 37 °F 20 °F (1968)
Degree Days  
Heating Degree Days 16 19  
Month to date heating degree days 318 371  
Since 1 July heating degree days 677 843  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 957 830  
Moisture  
Dew Point 43 °F    
Average Humidity 73    
Maximum Humidity 96    
Minimum Humidity 50    
Precipitation  
Precipitation 0.21 in 0.11 in 1.93 in (1996)
Month to date precipitation 2.46 1.64  
Year to date precipitation 13.52 14.67  
Since 1 July precipitation 6.46  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 22 mph    
Max Gust Speed 31 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 21, 2012 Rise Set
Actual Time 7:19 AM PST 4:52 PM PST
Civil Twilight 6:49 AM PST 5:21 PM PST
Nautical Twilight 6:16 AM PST 5:54 PM PST
Astronomical Twilight 5:44 AM PST 6:26 PM PST
Moon 12:38 PM PST (12/21) 1:15 AM PST (12/21)
Length of Visible Light 10h 32m
Length of Day
9h 33m
Waxing Gibbous, 66% of the Moon is Illuminated
Dec 21
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

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 48.9 °F - 35.1 °F 59% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Clear
1:53 AM 39.9 °F 36.7 °F 33.1 °F 77% 29.99 in 10.0 mi East 4.6 mph - N/A   Clear
2:53 AM 41.0 °F 38.0 °F 33.1 °F 73% 29.97 in 10.0 mi ENE 4.6 mph - N/A   Clear
3:53 AM 39.9 °F - 34.0 °F 79% 29.96 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 52.0 °F - 34.0 °F 50% 29.95 in 10.0 mi SSW 12.7 mph - N/A   Clear
5:53 AM 51.1 °F - 36.0 °F 56% 29.94 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
6:53 AM 52.0 °F - 37.9 °F 59% 29.95 in 10.0 mi South 6.9 mph - N/A   Scattered Clouds
7:53 AM 53.1 °F - 37.9 °F 57% 29.94 in 10.0 mi South 11.5 mph 17.3 mph N/A   Overcast
8:53 AM 54.0 °F - 39.0 °F 57% 29.94 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:53 AM 55.9 °F - 39.9 °F 55% 29.94 in 10.0 mi South 6.9 mph 18.4 mph N/A   Mostly Cloudy
10:53 AM 54.0 °F - 44.1 °F 69% 29.94 in 5.0 mi SSW 12.7 mph - 0.01 in Rain Light Rain
11:53 AM 55.9 °F - 45.0 °F 67% 29.92 in 10.0 mi South 11.5 mph 23.0 mph 0.04 in Rain Light Rain
12:53 PM 57.9 °F - 46.0 °F 65% 29.88 in 10.0 mi SSW 18.4 mph 31.1 mph 0.00 in   Mostly Cloudy
1:53 PM 57.9 °F - 45.0 °F 62% 29.88 in 10.0 mi South 10.4 mph 23.0 mph N/A   Mostly Cloudy
2:53 PM 57.9 °F - 45.0 °F 62% 29.88 in 10.0 mi SSW 12.7 mph 25.3 mph N/A   Mostly Cloudy
3:53 PM 57.0 °F - 45.0 °F 64% 29.88 in 10.0 mi SSW 16.1 mph 21.9 mph N/A   Mostly Cloudy
4:53 PM 54.0 °F - 48.0 °F 80% 29.90 in 10.0 mi SW 6.9 mph - 0.02 in   Overcast
5:53 PM 52.0 °F - 50.0 °F 93% 29.91 in 5.0 mi West 5.8 mph - 0.06 in Rain Light Rain
6:09 PM 51.8 °F - 51.8 °F 100% 29.91 in 4.0 mi West 5.8 mph - 0.03 in Rain Rain
6:53 PM 52.0 °F - 50.0 °F 93% 29.91 in 9.0 mi West 5.8 mph - 0.04 in Rain Light Rain
7:53 PM 53.1 °F - 50.0 °F 89% 29.91 in 10.0 mi North 5.8 mph - 0.01 in   Overcast
8:45 PM 53.6 °F - 50.0 °F 88% 29.91 in 10.0 mi ENE 3.5 mph - 0.00 in   Overcast
8:53 PM 53.1 °F - 50.0 °F 89% 29.91 in 10.0 mi NE 4.6 mph - 0.00 in   Overcast
9:53 PM 53.1 °F - 50.0 °F 89% 29.91 in 10.0 mi Calm Calm - 0.03 in   Overcast
10:53 PM 53.1 °F - 48.9 °F 86% 29.89 in 10.0 mi Variable 3.5 mph - 0.00 in   Mostly Cloudy
11:53 PM 55.0 °F - 46.9 °F 74% 29.88 in 10.0 mi Variable 6.9 mph - 0.00 in   Mostly Cloudy