Weather History for Tri-Cities, TN

Change the Weather History Date:

Monday, April 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F 59 °F  
Max Temperature 84 °F 72 °F 89 °F (1942)
Min Temperature 55 °F 47 °F 30 °F (2008)
Degree Days  
Heating Degree Days 0 6  
Month to date heating degree days 214 304  
Since 1 July heating degree days 3340 4254  
Cooling Degree Days 5 1  
Month to date cooling degree days 11 10  
Year to date cooling degree days 17 11  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 68    
Maximum Humidity 93    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.11 in 0.73 in (1953)
Month to date precipitation 3.83 3.33  
Year to date precipitation 14.72 13.59  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 1.1  
Since 1 July snowfall 1.2 13.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 4 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 21 mph    
Visibility 9 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Apr. 30, 2012 Rise Set
Actual Time 6:36 AM EDT 8:17 PM EDT
Civil Twilight 6:09 AM EDT 8:44 PM EDT
Nautical Twilight 5:35 AM EDT 9:18 PM EDT
Astronomical Twilight 5:00 AM EDT 9:53 PM EDT
Moon 2:22 PM EDT 2:50 AM EDT
Length of Visible Light 14h 35m
Length of Day
13h 40m
Waxing Gibbous, 63% of the Moon is Illuminated
Apr 30
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F - 57.9 °F 93% 30.09 in 9.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 60.1 °F - 57.0 °F 90% 30.08 in 8.0 mi Calm Calm - N/A   Clear
2:53 AM 59.0 °F - 57.0 °F 93% 30.06 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 57.9 °F - 55.9 °F 93% 30.06 in 7.0 mi Calm Calm - N/A   Clear
4:53 AM 57.0 °F - 55.0 °F 93% 30.08 in 5.0 mi Calm Calm - N/A   Clear
5:53 AM 57.0 °F - 55.0 °F 93% 30.09 in 6.0 mi Calm Calm - N/A   Scattered Clouds
6:53 AM 55.9 °F - 54.0 °F 93% 30.13 in 4.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 60.1 °F - 57.0 °F 90% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 64.9 °F - 59.0 °F 81% 30.14 in 8.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 69.1 °F - 60.1 °F 73% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 73.9 °F - 62.1 °F 66% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 80.1 °F 80.9 °F 60.1 °F 50% 30.10 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:53 PM 81.0 °F 81.7 °F 61.0 °F 50% 30.07 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
1:53 PM 82.0 °F 82.4 °F 60.1 °F 47% 30.05 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
2:53 PM 82.9 °F 83.2 °F 60.1 °F 46% 30.04 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:53 PM 84.0 °F 84.0 °F 60.1 °F 44% 30.01 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
4:53 PM 82.0 °F 82.1 °F 59.0 °F 45% 30.00 in 10.0 mi West 9.2 mph 17.3 mph N/A   Mostly Cloudy
5:05 PM 82.4 °F 82.5 °F 59.0 °F 45% 30.06 in 10.0 mi WNW 11.5 mph 18.4 mph N/A Thunderstorm Thunderstorm
5:28 PM 82.4 °F 82.9 °F 60.8 °F 48% 30.07 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
5:53 PM 81.0 °F 80.8 °F 55.9 °F 42% 30.01 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
6:53 PM 78.1 °F - 54.0 °F 43% 30.01 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
7:53 PM 77.0 °F - 54.0 °F 45% 30.02 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:53 PM 75.0 °F - 55.0 °F 50% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 73.0 °F - 57.0 °F 57% 30.04 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
10:53 PM 72.0 °F - 60.1 °F 66% 30.03 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
11:53 PM 66.0 °F - 60.1 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy