Climatological Report (Monthly) 
Issued by NWS Knoxville/Tri Cities, TN
        
        
                
        
            
        Issued by NWS Knoxville/Tri Cities, TN
187
CXUS54 KMRX 010826
CLMTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
426 AM EDT SAT NOV 01 2025
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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)
HIGHEST           83   10/06
LOWEST            30   10/25
AVG. MAXIMUM    69.8               70.2    -0.4
AVG. MINIMUM    43.6               44.3    -0.7
MEAN            56.7               57.3    -0.6
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     3
DAYS MIN <= 0      0
PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.60   2019
 MINIMUM        0.02   2000
TOTALS          1.58               2.52   -0.94
DAYS >= .01        8
DAYS >= .10        3
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.60   10/27 TO 10/28
SNOWFALL (INCHES)
TOTALS           0.0                0.0     0.0
SINCE 7/1        0.0
SNOWDEPTH AVG.     0
DAYS >= TRACE      0
GREATEST
 SNOW DEPTH        0
DEGREE DAYS
HEATING TOTAL    258                259      -1
 SINCE 7/1       282                296     -14
COOLING TOTAL     10                 19      -9
 SINCE 1/1      1154               1103      51
................................................
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     RAIN                       5
SNOW                      0     FOG                       17
FOG W/VIS <= 1/4 MILE     7
-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
$$