Weather History for South Lake Tahoe, CA

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F 30 °F  
Max Temperature 54 °F 43 °F 59 °F (1990)
Min Temperature 21 °F 17 °F -19 °F (1972)
Degree Days  
Heating Degree Days 27 35  
Month to date heating degree days 274 376  
Since 1 July heating degree days 2032 2469  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 30 31  
Moisture  
Dew Point 19 °F    
Average Humidity 50    
Maximum Humidity 84    
Minimum Humidity 16    
Precipitation  
Precipitation T in - 1.52 in (1937)
Month to date precipitation 3.10  
Year to date precipitation 19.23  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 7 mph (SSW)    
Max Wind Speed 30 mph    
Max Gust Speed 46 mph    
Visibility 9 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 11, 2012 Rise Set
Actual Time 7:08 AM PST 4:38 PM PST
Civil Twilight 6:39 AM PST 5:08 PM PST
Nautical Twilight 6:05 AM PST 5:41 PM PST
Astronomical Twilight 5:33 AM PST 6:13 PM PST
Moon 5:10 AM PST (12/11) 3:21 PM PST (12/11)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 26.1 °F - 19.9 °F 78% 30.17 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 25.0 °F - 19.9 °F 81% 30.17 in 9.0 mi Calm Calm - N/A   Clear
2:53 AM 26.1 °F 20.5 °F 19.0 °F 75% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:53 AM 25.0 °F 20.7 °F 19.0 °F 78% 30.15 in 10.0 mi South 3.5 mph - N/A   Clear
4:53 AM 24.1 °F 19.7 °F 19.0 °F 81% 30.15 in 10.0 mi South 3.5 mph - N/A   Clear
5:53 AM 23.0 °F 17.0 °F 18.0 °F 81% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Clear
6:53 AM 21.9 °F 17.2 °F 17.1 °F 82% 30.16 in 10.0 mi South 3.5 mph - N/A   Clear
7:53 AM 21.9 °F - 17.1 °F 82% 30.16 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 28.9 °F - 21.0 °F 72% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 48.9 °F - 16.0 °F 27% 30.04 in 10.0 mi SSW 15.0 mph - N/A   Clear
10:53 AM 51.1 °F - 14.0 °F 23% 30.00 in 10.0 mi South 15.0 mph - N/A   Clear
11:53 AM 53.1 °F - 10.9 °F 19% 29.96 in 10.0 mi SSW 10.4 mph 20.7 mph N/A   Clear
12:53 PM 53.1 °F - 9.0 °F 17% 29.91 in 10.0 mi SSW 10.4 mph 19.6 mph N/A   Clear
1:53 PM 53.1 °F - 14.0 °F 21% 29.88 in 10.0 mi South 16.1 mph 24.2 mph N/A   Clear
2:53 PM 50.0 °F - 15.1 °F 25% 29.86 in 10.0 mi SSW 10.4 mph 20.7 mph N/A   Clear
3:53 PM 46.0 °F 41.9 °F 18.0 °F 33% 29.86 in 10.0 mi South 8.1 mph 17.3 mph N/A   Clear
4:53 PM 44.1 °F 38.1 °F 23.0 °F 43% 29.84 in 10.0 mi SSW 11.5 mph 23.0 mph N/A   Clear
5:53 PM 42.1 °F 35.7 °F 21.0 °F 43% 29.81 in 10.0 mi South 11.5 mph 20.7 mph N/A   Clear
6:53 PM 42.1 °F 32.6 °F 19.0 °F 40% 29.77 in 10.0 mi SSW 23.0 mph 46.0 mph N/A   Partly Cloudy
7:53 PM 41.0 °F 33.5 °F 21.9 °F 47% 29.77 in 10.0 mi SW 13.8 mph 28.8 mph N/A   Scattered Clouds
8:53 PM 39.9 °F 30.2 °F 25.0 °F 55% 29.74 in 10.0 mi SSW 20.7 mph 36.8 mph N/A   Clear
9:53 PM 39.9 °F 30.8 °F 23.0 °F 51% 29.65 in 10.0 mi SSW 18.4 mph 28.8 mph N/A   Overcast
10:53 PM 39.0 °F 30.6 °F 21.9 °F 50% 29.67 in 10.0 mi South 15.0 mph 39.1 mph 0.00 in   Overcast
11:32 PM 37.4 °F 28.2 °F 23.0 °F 56% 29.75 in 2.5 mi SSW 16.1 mph 29.9 mph 0.00 in Snow Light Snow
11:35 PM 35.6 °F 25.5 °F 23.0 °F 60% 29.74 in 1.5 mi SSW 17.3 mph 29.9 mph 0.00 in Snow Light Snow
11:48 PM 35.6 °F 26.6 °F 24.8 °F 65% 29.74 in 3.0 mi SSW 13.8 mph 33.4 mph 0.00 in Snow Light Snow
11:53 PM 36.0 °F 25.6 °F 23.0 °F 59% 29.63 in 4.0 mi SSW 18.4 mph 33.4 mph 0.00 in Snow Light Snow