608  
CDUS43 KDTX 172025  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
425 PM EDT SUN AUG 17 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR AUGUST 17 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 76 1036 AM 93 1922 80 -4 77  
1931  
1955  
MINIMUM 69 540 AM 42 1954 60 9 68  
AVERAGE 73 70 3 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.87 1991 0.13 -0.13 0.13  
MONTH TO DATE 1.83 2.18 -0.35 1.88  
SINCE JUN 1 6.33 8.29 -1.96 7.47  
SINCE JAN 1 16.67 20.60 -3.93 18.14  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 1  
SINCE JUN 1 19 58 -39 29  
SINCE JUL 1 1 11 -10 4  
 
COOLING  
TODAY 8 5 3 8  
MONTH TO DATE 157 101 56 108  
SINCE JUN 1 651 457 194 540  
SINCE JAN 1 676 501 175 584    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 69  
AVERAGE 80  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 99 1947  
MINIMUM TEMPERATURE (F) 59 41 1963  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 644 AM EDT SUNSET 836 PM EDT  
AUGUST 18 2025........SUNRISE 645 AM EDT SUNSET 835 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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