305  
CDUS43 KDTX 100538  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
138 AM EDT SAT MAY 10 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 9 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 68 356 PM 91 1930 66 2 59  
MINIMUM 35 525 AM 25 1947 45 -10 46  
AVERAGE 52 56 -4 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.07 1927 0.11 -0.11 0.00  
MONTH TO DATE 1.85 1.01 0.84 0.43  
SINCE MAR 1 7.03 6.22 0.81 5.58  
SINCE JAN 1 8.29 9.91 -1.62 8.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.0 1923 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 13 10 3 12  
MONTH TO DATE 122 103 19 51  
SINCE MAR 1 1448 1639 -191 1271  
SINCE JUL 1 6016 6584 -568 5398  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 1 5 -4 1  
SINCE JAN 1 1 5 -4 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 300 AM  
LOWEST 22 400 PM  
AVERAGE 48  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 91 1936  
MINIMUM TEMPERATURE (F) 45 24 1923  
 
SUNRISE AND SUNSET  
MAY 10 2025...........SUNRISE 617 AM EDT SUNSET 849 PM EDT  
MAY 11 2025...........SUNRISE 616 AM EDT SUNSET 850 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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