


Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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521 CDUS44 KMRX 200817 CLITRI CLIMATE REPORT NATIONAL WEATHER SERVICE MORRISTOWN, TN 417 AM EDT WED AUG 20 2025 ................................... ...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR AUGUST 19 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 90 4:48 PM 96 2007 86 4 82 MINIMUM 67 6:27 AM 52 1943 63 4 65 AVERAGE 79 74 5 74 PRECIPITATION (IN) YESTERDAY 0.00 2.14 1960 0.11 -0.11 T MONTH TO DATE 3.76 2.51 1.25 4.58 SINCE JUN 1 16.24 11.43 4.81 10.56 SINCE JAN 1 33.13 30.46 2.67 29.76 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 14 10 4 9 MONTH TO DATE 182 190 -8 212 SINCE JUN 1 870 742 128 899 SINCE JAN 1 985 837 148 1025 ................................................................... WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 2.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 100 2:00 AM LOWEST 41 5:00 PM AVERAGE 71 .......................................................... THE TRI-CITIES AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 86 94 1983 2007 MINIMUM TEMPERATURE (F) 63 51 1943 SUNRISE AND SUNSET AUGUST 20 2025........SUNRISE 6:52 AM EDT SUNSET 8:14 PM EDT AUGUST 21 2025........SUNRISE 6:52 AM EDT SUNSET 8:12 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$