


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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368 CDUS43 KDTX 310539 CLIMBS CLIMATE REPORT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 139 AM EDT SUN AUG 31 2025 ................................... ...THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 30 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 72 412 PM 98 1925 78 -6 84 MINIMUM 47 512 AM 41 1976 57 -10 68 AVERAGE 60 68 -8 76 PRECIPITATION (IN) YESTERDAY 0.00 1.68 1955 0.11 -0.11 T MONTH TO DATE 3.13 3.74 -0.61 2.58 SINCE JUN 1 7.63 9.85 -2.22 8.17 SINCE JAN 1 17.97 22.16 -4.19 18.84 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 5 1 4 0 MONTH TO DATE 31 15 16 11 SINCE JUN 1 50 71 -21 39 SINCE JUL 1 32 24 8 14 COOLING YESTERDAY 0 4 -4 11 MONTH TO DATE 169 160 9 190 SINCE JUN 1 663 516 147 622 SINCE JAN 1 688 560 128 666 ................................................................... WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 3.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 700 AM LOWEST 44 300 PM AVERAGE 69 .......................................................... THE TRI CITIES MI CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 97 1932 MINIMUM TEMPERATURE (F) 57 41 1915 SUNRISE AND SUNSET AUGUST 31 2025........SUNRISE 659 AM EDT SUNSET 813 PM EDT SEPTEMBER 1 2025.....SUNRISE 700 AM EDT SUNSET 811 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$