398
CDUS44 KMRX 212122
CLITRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
522 PM EDT THU MAY 21 2026
...............................
..THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR MAY 21 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 76 2:27 PM 93 1941 78 -2 79
MINIMUM 64 3:55 AM 37 2002 54 10 63
AVERAGE 70 66 4 71
PRECIPITATION (IN)
TODAY 0.27 1.10 1947 0.13 0.14 0.10
MONTH TO DATE 0.98 2.56 -1.58 3.20
SINCE MAR 1 5.24 10.31 -5.07 8.95
SINCE JAN 1 12.04 17.77 -5.73 15.58
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 2 -2 0
MONTH TO DATE 126 76 50 50
SINCE MAR 1 596 894 -298 723
SINCE JUL 1 3835 4127 -292 3769
COOLING
TODAY 5 3 2 6
MONTH TO DATE 42 42 0 53
SINCE MAR 1 74 56 18 112
SINCE JAN 1 74 56 18 112
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 1.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 3:00 AM
LOWEST 74 3:00 PM
AVERAGE 87
......................................................
THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1941
MINIMUM TEMPERATURE (F) 54 31 2002
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 6:18 AM EDT SUNSET 8:34 PM EDT
MAY 22 2026...........SUNRISE 6:18 AM EDT SUNSET 8:35 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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