Weather History for Tri-Cities, TN

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Saturday, February 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 50 °F 40 °F  
Max Temperature 61 °F 51 °F 70 °F (1948)
Min Temperature 38 °F 29 °F -5 °F (1958)
Degree Days  
Heating Degree Days 15 25  
Month to date heating degree days 431 489  
Since 1 July heating degree days 2669 3143  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 31 °F    
Average Humidity 57    
Maximum Humidity 85    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.12 in 1.31 in (1991)
Month to date precipitation 1.84 2.25  
Year to date precipitation 6.44 5.62  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall T 2.3  
Since 1 July snowfall 1.2 9.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 2 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 18, 2012 Rise Set
Actual Time 7:14 AM EST 6:12 PM EST
Civil Twilight 6:48 AM EST 6:39 PM EST
Nautical Twilight 6:18 AM EST 7:09 PM EST
Astronomical Twilight 5:48 AM EST 7:39 PM EST
Moon 4:49 AM EST (2/18) 3:12 PM EST (2/18)
Length of Visible Light 11h 50m
Length of Day
10h 58m
Waning Crescent, 11% of the Moon is Illuminated
Feb 18
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

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 39.9 °F - 35.1 °F 83% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 41.0 °F - 34.0 °F 76% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 41.0 °F - 35.1 °F 79% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 41.0 °F 38.0 °F 33.1 °F 73% 30.04 in 10.0 mi SE 4.6 mph - N/A   Overcast
4:53 AM 41.0 °F - 33.1 °F 73% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 39.9 °F - 34.0 °F 79% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 39.9 °F - 35.1 °F 83% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 39.9 °F - 33.1 °F 77% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 43.0 °F - 33.1 °F 68% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 48.9 °F - 34.0 °F 56% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 54.0 °F - 35.1 °F 49% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 57.0 °F - 33.1 °F 40% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
12:53 PM 59.0 °F - 27.0 °F 29% 29.99 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
1:53 PM 61.0 °F - 30.9 °F 32% 29.96 in 10.0 mi NNW 4.6 mph - N/A   Overcast
2:53 PM 59.0 °F - 32.0 °F 36% 29.97 in 10.0 mi NNW 9.2 mph - N/A   Overcast
3:53 PM 59.0 °F - 28.9 °F 32% 29.96 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
4:53 PM 57.9 °F - 30.0 °F 35% 29.94 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:53 PM 57.0 °F - 26.1 °F 30% 29.95 in 10.0 mi NW 3.5 mph - N/A   Overcast
6:53 PM 53.1 °F - 27.0 °F 37% 29.96 in 10.0 mi NNE 4.6 mph - N/A   Overcast
7:53 PM 51.1 °F - 27.0 °F 39% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 50.0 °F - 26.1 °F 39% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 48.0 °F - 30.0 °F 50% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 48.9 °F - 30.0 °F 48% 29.93 in 10.0 mi NE 3.5 mph - N/A   Overcast
11:53 PM 48.0 °F - 32.0 °F 54% 29.93 in 10.0 mi Calm Calm - N/A   Overcast