Weather History for Chattanooga, TN

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 38 °F 40 °F  
Max Temperature 49 °F 50 °F 73 °F (1974)
Min Temperature 27 °F 31 °F 4 °F (1880)
Degree Days  
Heating Degree Days 27 25  
Month to date heating degree days 516 696  
Since 1 July heating degree days 1139 1284  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 1  
Year to date cooling degree days 2026 1742  
Moisture  
Dew Point 28 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.15 in 1.45 in (1989)
Month to date precipitation 5.57 4.90  
Year to date precipitation 50.78 52.48  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall T 0.3  
Since 1 July snowfall T 0.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 10 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. 31, 2012 Rise Set
Actual Time 7:48 AM EST 5:39 PM EST
Civil Twilight 7:20 AM EST 6:07 PM EST
Nautical Twilight 6:49 AM EST 6:39 PM EST
Astronomical Twilight 6:18 AM EST 7:10 PM EST
Moon 9:00 PM EST (12/31) 9:37 AM EST (12/31)
Length of Visible Light 10h 46m
Length of Day
9h 50m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 28.0 °F - 26.1 °F 92% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 28.0 °F - 26.1 °F 92% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 28.4 °F - 26.6 °F 93% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 28.9 °F - 26.1 °F 89% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 28.9 °F - 26.1 °F 89% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 30.0 °F - 27.0 °F 88% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 30.0 °F - 27.0 °F 88% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 28.9 °F - 27.0 °F 92% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 30.9 °F - 28.0 °F 89% 30.39 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 34.0 °F - 28.9 °F 82% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 37.9 °F - 28.0 °F 68% 30.38 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 42.1 °F - 28.0 °F 58% 30.35 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 45.0 °F 43.5 °F 26.1 °F 48% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Overcast
1:53 PM 46.9 °F - 27.0 °F 46% 30.25 in 10.0 mi South 3.5 mph - N/A   Overcast
2:53 PM 48.0 °F - 28.0 °F 46% 30.23 in 10.0 mi South 3.5 mph - N/A   Overcast
3:53 PM 48.0 °F - 28.0 °F 46% 30.24 in 10.0 mi South 5.8 mph - N/A   Overcast
4:53 PM 48.0 °F - 28.0 °F 46% 30.21 in 10.0 mi South 5.8 mph - N/A   Overcast
5:53 PM 46.9 °F - 27.0 °F 46% 30.23 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
6:53 PM 44.1 °F 42.5 °F 28.0 °F 53% 30.21 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
7:53 PM 44.1 °F - 30.9 °F 60% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 46.0 °F 44.8 °F 30.0 °F 54% 30.18 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
9:32 PM 46.4 °F 44.3 °F 30.2 °F 53% 30.16 in 10.0 mi South 4.6 mph - N/A   Overcast
9:53 PM 46.0 °F 43.9 °F 30.9 °F 56% 30.16 in 10.0 mi South 4.6 mph - N/A   Overcast
10:38 PM 46.4 °F 45.2 °F 30.2 °F 53% 30.12 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:53 PM 46.0 °F 44.8 °F 32.0 °F 58% 30.13 in 10.0 mi West 3.5 mph - N/A   Overcast
11:53 PM 44.1 °F - 33.1 °F 65% 30.11 in 10.0 mi Calm Calm - N/A   Overcast