


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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437 CDUS43 KDTX 170537 CLIMBS CLIMATE REPORT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 137 AM EDT SAT MAY 17 2025 ................................... ...THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 16 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 83 418 PM 90 1962 69 14 76 MINIMUM 60 543 AM 32 1952 48 12 44 AVERAGE 72 58 14 60 PRECIPITATION (IN) YESTERDAY 0.11 1.40 1923 0.11 0.00 0.00 MONTH TO DATE 3.08 1.79 1.29 0.84 SINCE MAR 1 8.26 7.00 1.26 5.99 SINCE JAN 1 9.52 10.69 -1.17 8.97 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 MAR 1 2.1 8.4 -6.3 6.2 SINCE JUL 1 32.3 49.0 -16.7 32.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 8 -8 5 MONTH TO DATE 136 165 -29 107 SINCE MAR 1 1462 1701 -239 1327 SINCE JUL 1 6030 6646 -616 5454 COOLING YESTERDAY 7 1 6 0 MONTH TO DATE 24 9 15 4 SINCE MAR 1 25 12 13 5 SINCE JAN 1 25 12 13 5 ................................................................... WIND (MPH) HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 11.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 1200 AM LOWEST 30 300 PM AVERAGE 62 .......................................................... THE TRI CITIES MI CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 69 89 1936 MINIMUM TEMPERATURE (F) 48 32 1983 SUNRISE AND SUNSET MAY 17 2025...........SUNRISE 609 AM EDT SUNSET 857 PM EDT MAY 18 2025...........SUNRISE 608 AM EDT SUNSET 858 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$