


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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844 CDUS43 KDTX 190555 CLIMBS CLIMATE REPORT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 155 AM EDT TUE AUG 19 2025 ................................... ...THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 18 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1912 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 77 549 PM 99 1947 80 -3 79 MINIMUM 53 512 AM 41 1963 59 -6 66 AVERAGE 65 70 -5 73 PRECIPITATION (IN) YESTERDAY T 3.73 1914 0.13 -0.13 0.03 MONTH TO DATE 1.83 2.31 -0.48 1.91 SINCE JUN 1 6.33 8.42 -2.09 7.50 SINCE JAN 1 16.67 20.73 -4.06 18.17 SNOWFALL (IN) YESTERDAY 0.0 0.0 MM 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 1 -1 0 MONTH TO DATE 0 3 -3 1 SINCE JUN 1 19 59 -40 29 SINCE JUL 1 1 12 -11 4 COOLING YESTERDAY 0 5 -5 8 MONTH TO DATE 152 106 46 116 SINCE JUN 1 646 462 184 548 SINCE JAN 1 671 506 165 592 ................................................................... WIND (MPH) HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100) HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (100) AVERAGE WIND SPEED 7.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 400 AM LOWEST 54 300 PM AVERAGE 74 .......................................................... THE TRI CITIES MI CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 100 1955 MINIMUM TEMPERATURE (F) 59 43 1977 SUNRISE AND SUNSET AUGUST 19 2025........SUNRISE 646 AM EDT SUNSET 833 PM EDT AUGUST 20 2025........SUNRISE 647 AM EDT SUNSET 831 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$