502  
CDUS43 KDTX 200536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT SUN JUL 20 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR JULY 19 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 79 442 PM 99 1930 82 -3 80  
1935  
MINIMUM 62 534 AM 43 1912 61 1 54  
AVERAGE 71 72 -1 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.39 1.27 1963 0.09 0.30 0.00  
MONTH TO DATE 0.72 1.70 -0.98 2.19  
SINCE JUN 1 3.66 4.98 -1.32 4.57  
SINCE JAN 1 14.00 17.29 -3.29 15.24  
 
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 1 0 1 3  
SINCE JUN 1 19 47 -28 28  
SINCE JUL 1 1 0 1 3  
 
COOLING  
YESTERDAY 6 7 -1 2  
MONTH TO DATE 173 133 40 141  
SINCE JUN 1 388 273 115 328  
SINCE JAN 1 413 317 96 372    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 65 1200 AM  
AVERAGE 83  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 102 1930  
MINIMUM TEMPERATURE (F) 61 45 1941  
1965  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 614 AM EDT SUNSET 911 PM EDT  
JULY 21 2025..........SUNRISE 615 AM EDT SUNSET 910 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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