National Weather Service United States Department of Commerce

Morristown, TN Area Seasonal Climate Summary

 

All normals are based on 30 year climate period from 1981 - 2010.

Chattanooga (CHA) period of record is from 1879 - Current.

Knoxville (TYS) period of record is from 1871 - Current.

Tri-Cities (TRI) period of record is from 1937 - Current.

 

Seasonal Averages/Totals and Normals

 

Chattanooga Seasonal Averages/Totals and Normals


045
CXUS54 KMRX 181922
CLSCHA

CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
220 PM EST TUE DEC 18 2018

...................................

...THE CHATTANOOGA ASOS CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2018 TO 11/31/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1879 TO 2018

WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 94 09/20

LOWEST 24 11/28

AVG. MAXIMUM 72.2
AVG. MINIMUM 54.4
MEAN 63.3 MM MM
DAYS MAX >= 90 16
DAYS MIN <= 32 8

PRECIPITATION (INCHES)
TOTALS 17.20 MM MM
DAILY AVG. 0.19
DAYS >= .01 35
DAYS >= .10 25
DAYS >= .50 15
DAYS >= 1.00 3
GREATEST
24 HR. TOTAL 3.41 MM

DEGREE_DAYS
COOLING TOTAL 551 MM
HEATING TOTAL 682
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 28/250 DATE 10/21
HIGHEST GUST SPEED/DIRECTION 35/340 DATE 10/21


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 12 RAIN 20
SNOW 1 FOG 55
FOG W/VIS <= 1/4 MILE 12

- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.

$$


Knoxville Seasonal Averages/Totals and Normals


482
CXUS54 KMRX 051649
CLSTYS


CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1249 PM EDT WED SEP 5 2018

...................................

...THE KNOXVILLE ASOS CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2018 TO 8/31/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018

WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 95 06/19
06/18
LOWEST 57 08/24
AVG. MAXIMUM 87.5
AVG. MINIMUM 68.2
MEAN 77.8 77.1 0.7
DAYS MAX >= 90 33 27.5 5.5
DAYS MIN <= 32 0 0.0 0.0

PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.09 1999
MINIMUM 10.88 2000
TOTALS 14.09 12.16 1.93
DAILY AVG. 0.15
DAYS >= .01 31
DAYS >= .10 21
DAYS >= .50 12
DAYS >= 1.00 4
GREATEST
24 HR. TOTAL 1.80 MM

DEGREE_DAYS
COOLING TOTAL 1201 1119 82
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 40/020 DATE 07/01
HIGHEST GUST SPEED/DIRECTION 53/030 DATE 07/01


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 35 RAIN 18
SNOW 0 FOG 47
FOG W/VIS <= 1/4 MILE 1

- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.

$$


Tri-Cities Seasonal Averages/Totals and Normals


326
CXUS54 KMRX 051649
CLSTRI


CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1249 PM EDT WED SEP 5 2018

...................................

...THE TRI-CITIES ASOS CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2018 TO 8/31/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2018

WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 96 07/03
LOWEST 52 08/24
AVG. MAXIMUM 86.5
AVG. MINIMUM 64.5
MEAN 75.5 73.3 2.2
DAYS MAX >= 90 25
DAYS MIN <= 32 0

PRECIPITATION (INCHES)
RECORD
MAXIMUM MM MM
MINIMUM MM MM
TOTALS 11.22 12.06 -0.84
DAILY AVG. 0.12
DAYS >= .01 37
DAYS >= .10 25
DAYS >= .50 8
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 1.29 MM

DEGREE_DAYS
COOLING TOTAL 991 780 211
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 25/220 DATE 06/22
HIGHEST GUST SPEED/DIRECTION 32/310 DATE 07/20


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 35 RAIN 15
SNOW 0 FOG 76
FOG W/VIS <= 1/4 MILE 15

- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.

$$


 

 

 

 

 

 

 

 

 

 

 

 

 

Monthly Averages, Totals and Normals

For recent monthly data, please review the Monthly Weather Summary product at: http://w2.weather.gov/climate/index.php?wfo=mrx.

 

 

 

 

MOST RECENT RECORDS

For recent records, please visit our Record Event Report (RER) products for Chattanooga (CHA), Knoxville (TYS), and Tri-Cities (TRI).

000
SXUS74 KMRX 080942
RERCHA

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
0441 AM EST FRI FEB 08 2019

...RECORD HIGH TEMPERATURES SET FOR CHATTANOOGA...

A RECORD HIGH MAXIMUM TEMPERATURE OF 80 DEGREES WAS SET AT
CHATTANOOGA YESTERDAY. THIS BREAKS THE OLD RECORD OF 74 SET IN 1999.

A RECORD WARM MINIMUM TEMPERATURE OF 62 DEGREES WAS SET AT
CHATTANOOGA YESTERDAY. THIS BREAKS THE OLD RECORD OF 61 SET IN 1884.

$$

000
SXUS74 KMRX 232307
RERTYS

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
0605 PM EST SAT FEB 23 2019

...RECORD DAILY MAXIMUM RAINFALL SET AT KNOXVILLE ASOS...

THIS IS PRELIMINARY DATA AS ADDITIONAL RAIN IS POSSIBLE LATER THIS
EVENING.

A RECORD RAINFALL OF 4.54 INCH(ES) WAS SET AT KNOXVILLE ASOS TODAY.
THIS BREAKS THE OLD RECORD OF 2.46 SET IN 1962.

$$

654
SXUS74 KMRX 232308
RERTRI

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
0605 PM EST SAT FEB 23 2019

...RECORD DAILY MAXIMUM RAINFALL SET AT TRI-CITIES ASOS...

THIS IS PRELIMINARY DATA AS ADDITIONAL RAIN IS POSSIBLE LATER THIS
EVENING.

A RECORD RAINFALL OF 1.75 INCH(ES) WAS SET AT TRI-CITIES ASOS TODAY.
THIS BREAKS THE OLD RECORD OF 1.47 SET IN 1984.

$$