172  
CDUS43 KDTX 130536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT WED AUG 13 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 12 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 85 410 PM 94 1947 81 4 80  
MINIMUM 67 429 AM 42 1950 60 7 52  
AVERAGE 76 70 6 66  
 
PRECIPITATION (IN)  
YESTERDAY 1.66R 1.40 1988 0.13 1.53 0.00  
MONTH TO DATE 1.82 1.51 0.31 1.44  
SINCE JUN 1 6.32 7.62 -1.30 7.03  
SINCE JAN 1 16.66 19.93 -3.27 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 11 6 5 1  
MONTH TO DATE 107 72 35 75  
SINCE JUN 1 601 428 173 507  
SINCE JAN 1 626 472 154 551    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 PM  
LOWEST 63 300 PM  
AVERAGE 80  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 1918  
MINIMUM TEMPERATURE (F) 60 45 1954  
 
SUNRISE AND SUNSET  
AUGUST 13 2025........SUNRISE 639 AM EDT SUNSET 842 PM EDT  
AUGUST 14 2025........SUNRISE 640 AM EDT SUNSET 841 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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