


Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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487 CDUS44 KMRX 180821 CLITRI CLIMATE REPORT NATIONAL WEATHER SERVICE MORRISTOWN, TN 421 AM EDT MON AUG 18 2025 ................................... ...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1937 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 88 3:53 PM 100 1988 86 2 85 MINIMUM 65 6:10 AM 49 1979 63 2 68 AVERAGE 77 75 2 77 PRECIPITATION (IN) YESTERDAY 0.00 2.56 2021 0.11 -0.11 T MONTH TO DATE 3.76 2.28 1.48 3.93 SINCE JUN 1 16.24 11.20 5.04 9.91 SINCE JAN 1 33.13 30.23 2.90 29.11 SNOWFALL (IN) YESTERDAY 0.0 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 2 7 -5 1 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 12 10 2 12 MONTH TO DATE 155 170 -15 194 SINCE JUN 1 843 722 121 881 SINCE JAN 1 958 817 141 1007 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 1.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.3 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 2:00 AM LOWEST 48 4:00 PM AVERAGE 74 .......................................................... THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 101 1988 MINIMUM TEMPERATURE (F) 63 53 1943 SUNRISE AND SUNSET AUGUST 18 2025........SUNRISE 6:50 AM EDT SUNSET 8:16 PM EDT AUGUST 19 2025........SUNRISE 6:51 AM EDT SUNSET 8:15 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$