419  
CDUS43 KDTX 150538  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
138 AM EDT FRI AUG 15 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 14 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 80 436 PM 100 1944 80 0 85  
MINIMUM 64 553 AM 44 1964 60 4 58  
AVERAGE 72 70 2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.80 1987 0.13 -0.13 0.00  
MONTH TO DATE 1.82 1.78 0.04 1.44  
SINCE JUN 1 6.32 7.89 -1.57 7.03  
SINCE JAN 1 16.66 20.20 -3.54 17.70  
 
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 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 19 56 -37 29  
SINCE JUL 1 1 9 -8 4  
 
COOLING  
YESTERDAY 7 6 1 7  
MONTH TO DATE 124 84 40 87  
SINCE JUN 1 618 440 178 519  
SINCE JAN 1 643 484 159 563    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 43 200 PM  
AVERAGE 68  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1944  
MINIMUM TEMPERATURE (F) 60 43 2004  
 
SUNRISE AND SUNSET  
AUGUST 15 2025........SUNRISE 642 AM EDT SUNSET 839 PM EDT  
AUGUST 16 2025........SUNRISE 643 AM EDT SUNSET 838 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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