Weather History for Chattanooga, TN

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 52 °F 42 °F  
Max Temperature 61 °F 51 °F 73 °F (2006)
Min Temperature 42 °F 33 °F 10 °F (1901)
Degree Days  
Heating Degree Days 13 23  
Month to date heating degree days 215 384  
Since 1 July heating degree days 838 973  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 2026 1741  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 54    
Maximum Humidity 80    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.14 in 2.27 in (1967)
Month to date precipitation 2.54 2.99  
Year to date precipitation 47.75 50.57  
Snow  
Snow 0.00 in 0.00 in - ()
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 29.91 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:43 AM EST 5:31 PM EST
Civil Twilight 7:15 AM EST 5:59 PM EST
Nautical Twilight 6:43 AM EST 6:31 PM EST
Astronomical Twilight 6:12 AM EST 7:02 PM EST
Moon 11:35 AM EST (12/18) 11:43 PM EST (12/18)
Length of Visible Light 10h 44m
Length of Day
9h 48m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 55.9 °F - 48.9 °F 77% 29.73 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
1:53 AM 54.0 °F - 46.0 °F 75% 29.75 in 10.0 mi West 13.8 mph - N/A   Partly Cloudy
2:53 AM 52.0 °F - 42.1 °F 69% 29.78 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Mostly Cloudy
3:53 AM 48.9 °F - 41.0 °F 74% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
4:09 AM 48.2 °F - 41.0 °F 76% 29.83 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
4:53 AM 48.0 °F - 39.0 °F 71% 29.84 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
5:53 AM 46.9 °F - 39.0 °F 74% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:32 AM 46.4 °F 42.9 °F 37.4 °F 71% 29.89 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:53 AM 45.0 °F 41.8 °F 36.0 °F 71% 29.90 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:53 AM 44.1 °F 42.5 °F 36.0 °F 73% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
8:53 AM 45.0 °F 41.2 °F 36.0 °F 71% 29.95 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
9:53 AM 48.0 °F - 35.1 °F 61% 29.96 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
10:53 AM 51.1 °F - 37.0 °F 59% 29.97 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
11:53 AM 52.0 °F - 36.0 °F 54% 29.97 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 55.0 °F - 34.0 °F 45% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 55.9 °F - 30.9 °F 39% 29.95 in 10.0 mi WSW 6.9 mph - N/A   Clear
2:53 PM 57.9 °F - 30.0 °F 35% 29.94 in 10.0 mi South 5.8 mph - N/A   Clear
3:53 PM 60.1 °F - 27.0 °F 28% 29.94 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 57.9 °F - 28.9 °F 33% 29.94 in 10.0 mi SW 3.5 mph - N/A   Clear
5:53 PM 54.0 °F - 30.0 °F 40% 29.94 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 48.9 °F - 35.1 °F 59% 29.94 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 48.0 °F - 34.0 °F 58% 29.97 in 10.0 mi SSW 4.6 mph - N/A   Clear
8:53 PM 46.0 °F 44.8 °F 35.1 °F 66% 29.97 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 PM 45.0 °F - 36.0 °F 71% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 43.0 °F 41.3 °F 36.0 °F 76% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Clear
11:53 PM 42.1 °F - 36.0 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Clear