481  
CDUS43 KDTX 160536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT FRI MAY 16 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 15 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 84 513 PM 94 1998 68 16 67  
MINIMUM 59 559 AM 32 1953 47 12 47  
AVERAGE 72 58 14 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.87 1.11 2014 0.11 0.76 0.00  
MONTH TO DATE 2.97 1.68 1.29 0.84  
SINCE MAR 1 8.15 6.89 1.26 5.99  
SINCE JAN 1 9.41 10.58 -1.17 8.97  
 
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 MAR 1 2.1 8.4 -6.3 6.2  
SINCE JUL 1 32.3 49.0 -16.7 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 8  
MONTH TO DATE 136 157 -21 102  
SINCE MAR 1 1462 1693 -231 1322  
SINCE JUL 1 6030 6638 -608 5449  
 
COOLING  
YESTERDAY 7 1 6 0  
MONTH TO DATE 17 8 9 4  
SINCE MAR 1 18 11 7 5  
SINCE JAN 1 18 11 7 5    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 48 600 PM  
AVERAGE 71  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1962  
MINIMUM TEMPERATURE (F) 48 32 1952  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 610 AM EDT SUNSET 856 PM EDT  
MAY 17 2025...........SUNRISE 609 AM EDT SUNSET 857 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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