Tri-Cities, TN

1:50 AM EDT on April 23, 2017 (GMT -0400)
Tri-Cities Regional Tennessee / Virginia

Weather History for KTRI - December, 2011

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Saturday, December 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 45 °F 35 °F  
Max Temperature 56 °F 45 °F 74 °F (1951)
Min Temperature 33 °F 25 °F 5 °F (1983)
Degree Days  
Heating Degree Days 20 30  
Month to date heating degree days 682 844  
Since 1 July heating degree days 1474 1729  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1331 981  
Moisture  
Dew Point 37 °F    
Average Humidity 68    
Maximum Humidity 89    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.10 in 1.51 in (1975)
Month to date precipitation 4.10 3.37  
Year to date precipitation 47.68 41.01  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall T 2.4  
Since 1 July snowfall T 2.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 21 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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Daily Weather History Graph

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Date:

Astronomy

Dec. 31, 2011 Rise Set
Actual Time 7:41 AM EST 5:24 PM EST
Civil Twilight 7:12 AM EST 5:52 PM EST
Nautical Twilight 6:40 AM EST 6:24 PM EST
Astronomical Twilight 6:08 AM EST 6:56 PM EST
Moon 11:38 AM EST (12/31) No Moon Set
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 31
Waxing Crescent
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter
Jan 23
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 52.0 °F - 42.1 °F 69% 29.83 in 10.0 mi WSW 11.5 mph 25.3 mph N/A   Partly Cloudy
1:53 AM 48.9 °F - 39.9 °F 71% 29.85 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
2:53 AM 44.1 °F 39.5 °F 39.0 °F 82% 29.87 in 10.0 mi SW 8.1 mph - N/A   Partly Cloudy
3:53 AM 44.1 °F 39.0 °F 39.0 °F 82% 29.88 in 10.0 mi SW 9.2 mph - N/A   Clear
4:53 AM 43.0 °F 38.8 °F 39.0 °F 86% 29.90 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
5:53 AM 44.1 °F 38.6 °F 39.9 °F 85% 29.93 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
6:53 AM 45.0 °F 40.1 °F 39.9 °F 82% 29.96 in 10.0 mi SW 9.2 mph - N/A   Overcast
7:53 AM 44.1 °F 39.5 °F 39.0 °F 82% 30.00 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
8:53 AM 45.0 °F 41.2 °F 39.9 °F 82% 30.03 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
9:53 AM 48.0 °F - 39.9 °F 74% 30.05 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
10:53 AM 50.0 °F - 37.0 °F 61% 30.06 in 10.0 mi WSW 10.4 mph 19.6 mph N/A   Partly Cloudy
11:53 AM 52.0 °F - 37.0 °F 57% 30.05 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Mostly Cloudy
12:53 PM 53.1 °F - 36.0 °F 52% 30.03 in 10.0 mi WSW 12.7 mph 19.6 mph N/A   Scattered Clouds
1:53 PM 52.0 °F - 36.0 °F 54% 30.03 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
2:53 PM 55.0 °F - 36.0 °F 49% 30.03 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
3:53 PM 54.0 °F - 36.0 °F 51% 30.06 in 10.0 mi SSW 10.4 mph - N/A   Partly Cloudy
4:53 PM 52.0 °F - 36.0 °F 54% 30.07 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
5:53 PM 46.0 °F 43.9 °F 35.1 °F 66% 30.09 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
6:53 PM 43.0 °F - 35.1 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 37.9 °F - 33.1 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 37.9 °F - 33.1 °F 83% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 35.1 °F - 32.0 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 33.1 °F - 30.9 °F 92% 30.11 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 33.1 °F - 30.0 °F 89% 30.11 in 10.0 mi Calm Calm - N/A   Clear