563  
CDUS43 KDTX 172025  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
425 PM EDT FRI OCT 17 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR OCTOBER 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 66 259 PM 84 1947 60 6 63  
MINIMUM 46 1233 AM 22 1977 41 5 32  
AVERAGE 56 50 6 48  
 
PRECIPITATION (IN)  
TODAY T 2.52 1993 0.10 -0.10 0.00  
MONTH TO DATE 1.52 1.62 -0.10 1.06  
SINCE SEP 1 3.96 4.43 -0.47 1.81  
SINCE JAN 1 21.93 26.70 -4.77 20.65  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 1943 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 9 15 -6 17  
MONTH TO DATE 136 202 -66 178  
SINCE SEP 1 198 338 -140 221  
SINCE JUL 1 232 366 -134 235  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 26 3 23 1  
SINCE SEP 1 67 63 4 95  
SINCE JAN 1 755 628 127 768    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86  
LOWEST 45  
AVERAGE 66  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 82 1950  
1965  
MINIMUM TEMPERATURE (F) 41 20 1948  
 
SUNRISE AND SUNSET  
OCTOBER 17 2025.......SUNRISE 753 AM EDT SUNSET 649 PM EDT  
OCTOBER 18 2025.......SUNRISE 754 AM EDT SUNSET 648 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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