Weather History for Tri-Cities, TN

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 40 °F  
Max Temperature 56 °F 51 °F 70 °F (1948)
Min Temperature 17 °F 29 °F -5 °F (1958)
Degree Days  
Heating Degree Days 28 25  
Month to date heating degree days 497 489  
Since 1 July heating degree days 2935 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 19 °F    
Average Humidity 58    
Maximum Humidity 84    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.12 in 1.31 in (1991)
Month to date precipitation 1.00 2.25  
Year to date precipitation 10.99 5.62  
Snow  
Snow 0.00 in 0.10 in - ()
Month to date snowfall 3.1 2.3  
Since 1 July snowfall 7.2 9.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 18, 2013 Rise Set
Actual Time 7:13 AM EST 6:13 PM EST
Civil Twilight 6:47 AM EST 6:39 PM EST
Nautical Twilight 6:17 AM EST 7:10 PM EST
Astronomical Twilight 5:47 AM EST 7:40 PM EST
Moon 12:03 PM EST 1:47 AM EST
Length of Visible Light 11h 52m
Length of Day
11h 00m
First Quarter, 58% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First 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 19.9 °F - 12.9 °F 74% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 21.0 °F - 12.9 °F 71% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 19.9 °F - 12.9 °F 74% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 18.0 °F - 12.9 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 18.0 °F - 14.0 °F 84% 30.29 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 18.0 °F - 12.9 °F 81% 30.31 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 19.0 °F - 12.9 °F 77% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 19.9 °F - 15.1 °F 81% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 26.1 °F 21.9 °F 16.0 °F 66% 30.32 in 10.0 mi ENE 3.5 mph - N/A   Partly Cloudy
9:53 AM 30.9 °F - 17.1 °F 57% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 39.0 °F - 19.0 °F 45% 30.30 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 45.0 °F 43.5 °F 19.0 °F 36% 30.28 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
12:53 PM 48.9 °F - 21.0 °F 33% 30.24 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
1:53 PM 53.1 °F - 25.0 °F 34% 30.19 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
2:53 PM 55.0 °F - 26.1 °F 33% 30.15 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
3:53 PM 55.0 °F - 26.1 °F 33% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 55.0 °F - 27.0 °F 34% 30.12 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
5:53 PM 52.0 °F - 28.0 °F 40% 30.11 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
6:53 PM 50.0 °F - 21.9 °F 33% 30.11 in 10.0 mi SSE 10.4 mph - N/A   Scattered Clouds
7:53 PM 48.0 °F - 21.9 °F 36% 30.09 in 10.0 mi SE 9.2 mph 19.6 mph N/A   Scattered Clouds
8:53 PM 46.0 °F 43.1 °F 21.9 °F 39% 30.08 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:53 PM 45.0 °F 41.8 °F 23.0 °F 42% 30.05 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
10:53 PM 44.1 °F 40.8 °F 21.9 °F 42% 30.02 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
11:53 PM 46.0 °F 42.5 °F 21.9 °F 39% 29.99 in 10.0 mi SSE 6.9 mph 18.4 mph N/A   Clear