618
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.
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