Annual Tennessee rainfall, severe weather and climate data

Driest location ranked by lowest annual average precipitation: Bristol, northeastern Tennessee, 41.33"

Wettest location ranked by highest annual average precipitation: Mount Leconte, eastern Tennessee 81.28"

Snowiest location ranked by highest annual average snowfall: Tazewell, northeastern Tennessee, 16.7"

State precipitation record for 24 hours - McMinnville, central Tennessee, 3/28/1902, 11.00"

State precipitation record for 1 year - Haw Knob, southeastern Tennessee, 1957, 114.88"

State snowfall record for 24 hours - Morristown, northeastern Tennessee 3/9-1960, 22.0"

State snow record for 1 season - Mountain City, northeastern Tennessee, 1959-1960, 75.5"

During the year 2011, Tennessee experienced an all-time record 75 tornado reports, breaking the previous record during 2009 when only 46 were reported.

While Tennessee is far enough from the Gulf Coast to avoid any direct impact from a hurricane, the location 
of the state makes it likely to be affected from the remnants of tropical cyclones which weaken over land and
can cause significant rainfall

One of Tennessee's costliest tornadoes was the F3 twister which struck downtown Nashville during the
afternoon of April, 16 1998. Total damages for this tornado totaled $100+ million dollars

Tennessee temperature averages and extremes, Memphis climate extremes/averages, precipitation and
temperature data for all U.S. states and interesting Top 10 U.S. climate extremes

Data sources: National Climatic Data Center, Severe thunderstorm / tornado watch data period is 1999 - 2008, NOAA Storm Prediction Center, Tornado climate data - NOAA Storm Prediction Center, State lightning flash density average - 1997-2011, Vaisala

City	Avg Annual Precip	Avg Annual Snow	Avg # days of Precip	Avg # thunderstorm days	Avg # hail days	Avg # severe thunderstorm watches per year	Avg # tornado watches per year	# of tornadoes reported in county, 1960-2010
Bristol - Kingsport	41.33	15.4	133	42	1	2	7	9
Chattanooga	54.52	4.3	120	55	1	5	10	9
Knoxville	48.22	11.5	126	47	1	3	9	8
Memphis	54.65	5.1	107	59	1	10	11	49
Nashville	48.11	10.0	119	54	2	7	10	26
Oak Ridge	55.05	9.9	128	48	1	3	8	2
Tennessee Annual Precipitation Average - 54.22", 6th wettest in the U.S. Tennessee Tornado Average - 11.4 per year - 23rd most in the U.S. Largest reported Tornado in Tennessee from 1950-2011, 4/4/1974 - 2,500 yards / 1.4 miles wide Date with highest number of reported Tornadoes in Tennessee from 1950-2011, April 3rd - 50 tornadoes Average time of occurrence of reported Tornadoes in Tennessee from 1950-2011 - 2:45 pm Tennessee Annual Lightning Density - 14.1 flashes per square mile - 10th highest in U.S. Record Driest year in Tennessee from 1895-2012 - 1941, avg precipitation 35.67 inches Record Wettest year in Tennessee from 1895-2012 - 1979, avg precipitation 66.68 inches