394
CDUS44 KMRX 182134
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
534 PM EDT MON MAY 18 2026
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 18 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 93R 3:59 PM 92 1962 78 15 79
MINIMUM 56 5:11 AM 34 1973 53 3 53
AVERAGE 75 65 10 66
PRECIPITATION (IN)
TODAY 0.00 0.90 1993 0.13 -0.13 0.00
MONTH TO DATE 0.53 2.18 -1.65 2.10
SINCE MAR 1 4.79 9.93 -5.14 7.85
SINCE JAN 1 11.59 17.39 -5.80 14.48
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 0.5 1.2 -0.7 T
SINCE JUL 1 12.7 9.2 3.5 7.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 126 70 56 50
SINCE MAR 1 596 888 -292 723
SINCE JUL 1 3835 4121 -286 3769
COOLING
TODAY 10 3 7 1
MONTH TO DATE 18 33 -15 41
SINCE MAR 1 50 47 3 100
SINCE JAN 1 50 47 3 100
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 2.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 25 4:00 PM
AVERAGE 63
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 91 1962
MINIMUM TEMPERATURE (F) 53 35 2002
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 6:20 AM EDT SUNSET 8:32 PM EDT
MAY 19 2026...........SUNRISE 6:20 AM EDT SUNSET 8:33 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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