CXUS54 KMRX 020850
CLSTRI

CLIMATE REPORT 
NATIONAL WEATHER SERVICE MORRISTOWN, TN
350 AM EST TUE DEC 02 2025

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

...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2025 TO 11/30/2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART                       
                VALUE   DATE(S)   VALUE   FROM                         
                                          NORMAL                       
................................................
TEMPERATURE (F)
RECORD
 HIGH            100   09/07/1954                                      
                       09/06/1954                                      
 LOW               5   11/25/1950                                      
HIGHEST           87   09/20                                           
LOWEST            18   11/29                                           
AVG. MAXIMUM    69.5                                                   
AVG. MINIMUM    44.7                                                   
MEAN            57.1               57.4    -0.3                        
DAYS MAX >= 90     0                                                   
DAYS MIN <= 32    17                                                   

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.51   1972                                            
 MINIMUM        2.70   1939                                            
TOTALS          7.82               8.50   -0.68                        
DAILY AVG.      0.09                                                   
DAYS >= .01       31                                                   
DAYS >= .10       18                                                   
DAYS >= .50        6                                                   
DAYS >= 1.00       0                                                   
GREATEST
 24 HR. TOTAL   0.89   09/21 TO 09/22                                  

SNOWFALL (INCHES)
TOTALS           0.5                                                   
SINCE 7/1        0.5                                                   
SNOWDEPTH AVG.     0                                                   
DAYS >= TRACE      1                                                   
DAYS >= 1.0        0                                                   
GREATEST
 SNOW DEPTH        1   11/10                                           
                       11/11                                           

DEGREE DAYS
HEATING TOTAL    803                852     -49                        
COOLING TOTAL    107                162     -55                        
................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  10/19                  
HIGHEST GUST SPEED/DIRECTION    44/290    DATE  10/19                  

SKY COVER
AVERAGE SKY COVER           0.54                                       


WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM             10     MIXED PRECIP               0          
HEAVY RAIN               12     RAIN                      14           
LIGHT RAIN               33     FREEZING RAIN              0          
LT FREEZING RAIN          0     HAIL                       0         
HEAVY SNOW                0     SNOW                       0         
LIGHT SNOW                1     SLEET                      0          
FOG                      60     FOG W/VIS <= 1/4 MILE     18           
HAZE                      5                                            

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

$$