Weather History for KLEB - December, 2012

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Thursday, December 20, 2012

  Actual Average (KVSF) Record (KVSF)
Temperature  
Mean Temperature 34 °F 24 °F  
Max Temperature 36 °F 33 °F - ()
Min Temperature 33 °F 15 °F - ()
Degree Days  
Heating Degree Days 30 41  
Month to date heating degree days 751  
Since 1 July heating degree days 2394  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 345  
Moisture  
Dew Point 26 °F    
Average Humidity 70    
Maximum Humidity 75    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in 0.10 in - ()
Month to date precipitation 2.15  
Year to date precipitation 42.73  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 2 mph (ESE)    
Max Wind Speed 10 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:19 AM EST 4:15 PM EST
Civil Twilight 6:46 AM EST 4:47 PM EST
Nautical Twilight 6:09 AM EST 5:24 PM EST
Astronomical Twilight 5:35 AM EST 5:59 PM EST
Moon 11:41 AM EST (12/20) No Moon Set
Length of Visible Light 10h 01m
Length of Day
8h 55m
First Quarter, 55% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 36.0 °F - 28.0 °F 73% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
1:03 AM 35.6 °F - 28.4 °F 75% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 36.0 °F 33.3 °F 27.0 °F 70% 30.11 in 10.0 mi Variable 3.5 mph - N/A   Overcast
2:53 AM 35.1 °F 30.1 °F 26.1 °F 70% 30.12 in 10.0 mi North 5.8 mph - N/A   Overcast
3:53 AM 34.0 °F - 26.1 °F 73% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 33.1 °F - 26.1 °F 75% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 34.0 °F - 26.1 °F 73% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 34.0 °F 31.0 °F 26.1 °F 73% 30.19 in 10.0 mi North 3.5 mph - N/A   Overcast
8:53 AM 34.0 °F - 26.1 °F 73% 30.23 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 35.1 °F 32.2 °F 26.1 °F 70% 30.22 in 10.0 mi NNW 3.5 mph - N/A   Overcast
10:53 AM 36.0 °F - 26.1 °F 67% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 36.0 °F - 26.1 °F 67% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 36.0 °F - 26.1 °F 67% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 36.0 °F 33.3 °F 26.1 °F 67% 30.13 in 10.0 mi North 3.5 mph - N/A   Overcast
2:53 PM 36.0 °F - 26.1 °F 67% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
3:53 PM 36.0 °F - 27.0 °F 70% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
4:53 PM 35.1 °F - 27.0 °F 72% 30.12 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 36.0 °F - 26.1 °F 67% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
6:36 PM 35.6 °F 32.8 °F 26.6 °F 70% 30.05 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
6:53 PM 36.0 °F 32.1 °F 26.1 °F 67% 30.09 in 10.0 mi SE 4.6 mph - N/A   Clear
7:53 PM 36.0 °F 29.6 °F 25.0 °F 64% 30.08 in 10.0 mi SE 8.1 mph - N/A   Overcast
8:01 PM 35.6 °F 29.9 °F 26.6 °F 70% 30.06 in 10.0 mi SE 6.9 mph - N/A   Overcast
8:53 PM 36.0 °F - 26.1 °F 67% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 36.0 °F 31.1 °F 26.1 °F 67% 30.03 in 10.0 mi South 5.8 mph - N/A   Overcast
10:53 PM 36.0 °F 29.6 °F 26.1 °F 67% 30.03 in 10.0 mi South 8.1 mph - N/A   Overcast
11:53 PM 36.0 °F 28.5 °F 27.0 °F 70% 29.99 in 10.0 mi SE 10.4 mph 21.9 mph N/A   Overcast