Weather History for Las Vegas, NV

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Thursday, December 15, 2011

  Actual Average Record
Temperature  
Mean Temperature 42 °F 47 °F  
Max Temperature 49 °F 56 °F 75 °F (1977)
Min Temperature 34 °F 38 °F 14 °F (1940)
Degree Days  
Heating Degree Days 23 18  
Month to date heating degree days 304 251  
Since 1 July heating degree days 636 560  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 3540 3568  
Moisture  
Dew Point 30 °F    
Average Humidity 66    
Maximum Humidity 82    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.01 in 0.70 in (1967)
Month to date precipitation 0.09 0.20  
Year to date precipitation 2.29 3.89  
Snow  
Snow 0.00 in 0.00 in 2.00 in (1967)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 12 mph    
Max Gust Speed 12 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 15, 2011 Rise Set
Actual Time 6:44 AM PST 4:27 PM PST
Civil Twilight 6:15 AM PST 4:56 PM PST
Nautical Twilight 5:43 AM PST 5:28 PM PST
Astronomical Twilight 5:12 AM PST 5:59 PM PST
Moon 9:50 PM PST (12/15) 10:09 AM PST (12/15)
Length of Visible Light 10h 40m
Length of Day
9h 43m
Waning Gibbous, 73% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 37.9 °F 32.1 °F 30.0 °F 73% 30.17 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
1:56 AM 37.9 °F 34.4 °F 30.9 °F 76% 30.16 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
2:56 AM 37.0 °F 32.4 °F 30.0 °F 76% 30.15 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
3:56 AM 36.0 °F 30.3 °F 30.0 °F 79% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
4:56 AM 36.0 °F - 30.0 °F 79% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 37.0 °F 33.3 °F 30.0 °F 76% 30.14 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
6:56 AM 37.0 °F 32.4 °F 30.0 °F 76% 30.15 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds
7:56 AM 39.9 °F 37.8 °F 30.9 °F 70% 30.16 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:56 AM 41.0 °F 36.4 °F 30.2 °F 65% 30.16 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
9:56 AM 43.0 °F 40.3 °F 30.9 °F 62% 30.17 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
10:56 AM 44.1 °F 42.5 °F 30.0 °F 58% 30.15 in 10.0 mi South 3.5 mph - N/A   Overcast
11:56 AM 46.0 °F 44.8 °F 30.0 °F 54% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Overcast
12:56 PM 46.9 °F - 30.0 °F 52% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
1:56 PM 48.0 °F - 30.0 °F 50% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
2:56 PM 48.2 °F - 30.2 °F 50% 30.09 in 10.0 mi Variable 4.6 mph - N/A   Overcast
3:56 PM 48.0 °F - 30.0 °F 50% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:56 PM 46.9 °F - 30.9 °F 54% 30.11 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
5:56 PM 46.4 °F 43.5 °F 30.2 °F 53% 30.10 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
6:56 PM 45.0 °F 40.6 °F 30.9 °F 58% 30.12 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
7:56 PM 42.1 °F 37.1 °F 30.9 °F 65% 30.13 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:56 PM 39.9 °F 33.9 °F 30.9 °F 70% 30.14 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
9:56 PM 39.9 °F 33.9 °F 30.9 °F 70% 30.16 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
10:56 PM 39.9 °F 33.9 °F 30.0 °F 68% 30.17 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:56 PM 41.0 °F 35.2 °F 30.0 °F 65% 30.16 in 10.0 mi SSW 9.2 mph - N/A   Overcast