131  
CDUS43 KDTX 130535  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
135 AM EDT TUE MAY 13 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 12 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 82 243 PM 88 2022 67 15 73  
MINIMUM 46 522 AM 29 1939 46 0 40  
1946  
2020  
AVERAGE 64 57 7 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 1912 0.11 -0.11 0.06  
MONTH TO DATE 1.85 1.35 0.50 0.83  
SINCE MAR 1 7.03 6.56 0.47 5.98  
SINCE JAN 1 8.29 10.25 -1.96 8.96  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2013 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 1 9 -8 8  
MONTH TO DATE 136 132 4 84  
SINCE MAR 1 1462 1668 -206 1304  
SINCE JUL 1 6030 6613 -583 5431  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 5 -5 0  
SINCE MAR 1 1 8 -7 1  
SINCE JAN 1 1 8 -7 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 500 AM  
LOWEST 27 100 PM  
AVERAGE 52  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1977  
2022  
MINIMUM TEMPERATURE (F) 47 26 1946  
 
SUNRISE AND SUNSET  
MAY 13 2025...........SUNRISE 613 AM EDT SUNSET 853 PM EDT  
MAY 14 2025...........SUNRISE 612 AM EDT SUNSET 854 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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