Climatological Report (Seasonal) 
Issued by NWS Knoxville/Tri Cities, TN
        
        
                
        
            
        Issued by NWS Knoxville/Tri Cities, TN
215
CXUS54 KMRX 011941
CLSTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
341 PM EDT MON SEP 01 2025
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...
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            103   06/30/2012
 LOW              38   06/02/1966
                       06/01/1966
HIGHEST           94   06/24
LOWEST            47   08/27
AVG. MAXIMUM    85.5
AVG. MINIMUM    64.0
MEAN            74.7               74.1     0.6
DAYS MAX >= 90    16
DAYS MIN <= 32     0
PRECIPITATION (INCHES)
RECORD
 MAXIMUM       25.26   2003
 MINIMUM        5.10   1987
TOTALS         17.73              12.68    5.05
DAILY AVG.      0.19
DAYS >= .01       37
DAYS >= .10       30
DAYS >= .50       18
DAYS >= 1.00       5
GREATEST
 24 HR. TOTAL   1.71   08/12 TO 08/13
SNOWFALL (INCHES)
TOTALS           0.0
SINCE 7/1        0.0
SNOWDEPTH AVG.     0
DAYS >= TRACE      0
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
DEGREE DAYS
HEATING TOTAL      9                  8       1
COOLING TOTAL    932                847      85
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    39/230    DATE  06/17
HIGHEST GUST SPEED/DIRECTION    54/230    DATE  06/17
SKY COVER
AVERAGE SKY COVER           0.59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             37     MIXED PRECIP               0
HEAVY RAIN               22     RAIN                      21
LIGHT RAIN               35     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      75     FOG W/VIS <= 1/4 MILE     11
HAZE                      6
-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
$$