Weather History for South Lake Tahoe, CA

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 19 °F 29 °F  
Max Temperature 37 °F 43 °F 56 °F (1939)
Min Temperature 0 °F 16 °F -13 °F (1992)
Degree Days  
Heating Degree Days 46 36  
Month to date heating degree days 613 660  
Since 1 July heating degree days 2371 2753  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 30 31  
Moisture  
Dew Point 6 °F    
Average Humidity 57    
Maximum Humidity 83    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - 2.52 in (1981)
Month to date precipitation 3.90  
Year to date precipitation 20.03  
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 8 mph    
Max Gust Speed 9 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 19, 2012 Rise Set
Actual Time 7:14 AM PST 4:40 PM PST
Civil Twilight 6:44 AM PST 5:10 PM PST
Nautical Twilight 6:10 AM PST 5:44 PM PST
Astronomical Twilight 5:38 AM PST 6:16 PM PST
Moon 11:29 AM PST (12/19) No Moon Set
Length of Visible Light 10h 26m
Length of Day
9h 26m
Waxing Crescent, 46% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 7.0 °F - 1.9 °F 80% 30.12 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 5.0 °F -2.1 °F -0.0 °F 80% 30.17 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:53 AM 5.0 °F - -0.9 °F 76% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 1.9 °F - -4.0 °F 76% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 3.0 °F -4.4 °F -2.9 °F 76% 30.24 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:53 AM 1.9 °F -7.6 °F -4.0 °F 76% 30.24 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:53 AM 1.0 °F - -4.0 °F 79% 30.27 in 10.0 mi Calm Calm - N/A   Clear
7:26 AM 1.4 °F -6.2 °F -5.8 °F 72% 30.08 in 3.0 mi South 3.5 mph - N/A   Haze
7:43 AM 1.4 °F - -4.0 °F 78% 30.08 in 8.0 mi Calm Calm - N/A   Clear
7:53 AM 1.0 °F -6.7 °F -5.1 °F 75% 30.28 in 8.0 mi South 3.5 mph - N/A   Clear
8:53 AM 9.0 °F 2.4 °F 1.9 °F 73% 30.30 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 AM 17.1 °F 10.0 °F 7.0 °F 65% 30.30 in 10.0 mi South 4.6 mph - N/A   Clear
10:53 AM 25.0 °F - 3.0 °F 39% 30.26 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 28.9 °F - 1.9 °F 32% 30.25 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 32.0 °F 28.7 °F 5.0 °F 32% 30.22 in 10.0 mi NE 3.5 mph - N/A   Clear
1:53 PM 34.0 °F - 8.1 °F 34% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 34.0 °F 29.8 °F 12.9 °F 42% 30.21 in 10.0 mi North 4.6 mph - N/A   Clear
3:53 PM 28.9 °F - 18.0 °F 64% 30.26 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 27.0 °F - 18.0 °F 69% 30.27 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 23.0 °F - 17.1 °F 78% 30.29 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 21.0 °F - 15.1 °F 78% 30.32 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 19.0 °F 13.9 °F 14.0 °F 81% 30.34 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:53 PM 21.9 °F 15.7 °F 14.0 °F 72% 30.27 in 10.0 mi South 4.6 mph - N/A   Clear
9:53 PM 23.0 °F 18.4 °F 15.1 °F 72% 30.23 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:53 PM 19.9 °F - 14.0 °F 78% 30.20 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 21.0 °F - 12.9 °F 71% 30.17 in 10.0 mi Calm Calm - N/A   Clear