124  
CDUS43 KDTX 120540  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
140 AM EDT MON MAY 12 2025  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 11 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 67 523 PM 88 1922 67 0 58  
MINIMUM 43 411 AM 27 1949 46 -3 45  
AVERAGE 55 56 -1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1942 0.12 -0.12 0.34  
MONTH TO DATE 1.85 1.24 0.61 0.77  
SINCE MAR 1 7.03 6.45 0.58 5.92  
SINCE JAN 1 8.29 10.14 -1.85 8.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1966 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 10 10 0 13  
MONTH TO DATE 135 123 12 76  
SINCE MAR 1 1461 1659 -198 1296  
SINCE JUL 1 6029 6604 -575 5423  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 0  
SINCE MAR 1 1 7 -6 1  
SINCE JAN 1 1 7 -6 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 34 500 PM  
AVERAGE 58  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2022  
MINIMUM TEMPERATURE (F) 46 29 1939  
1946  
2020  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 615 AM EDT SUNSET 851 PM EDT  
MAY 13 2025...........SUNRISE 613 AM EDT SUNSET 853 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MI Page Main Text Page