802  
CDUS43 KDTX 212026  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
426 PM EDT WED MAY 21 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 21 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 50 259 PM 94 1977 71 -21 81  
MINIMUM 47 954 AM 34 1954 50 -3 63  
1969  
AVERAGE 49 60 -11 72  
 
PRECIPITATION (IN)  
TODAY 0.29 1.82 1912 0.11 0.18 T  
MONTH TO DATE 3.64 2.35 1.29 1.20  
SINCE MAR 1 8.82 7.56 1.26 6.35  
SINCE JAN 1 10.08 11.25 -1.17 9.33  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 16 7 9 0  
MONTH TO DATE 206 201 5 107  
SINCE MAR 1 1532 1737 -205 1327  
SINCE JUL 1 6100 6682 -582 5454  
 
COOLING  
TODAY 0 2 -2 7  
MONTH TO DATE 24 17 7 33  
SINCE MAR 1 25 20 5 34  
SINCE JAN 1 25 20 5 34    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 83  
AVERAGE 88  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 1992  
MINIMUM TEMPERATURE (F) 50 33 1917  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 606 AM EDT SUNSET 901 PM EDT  
MAY 22 2025...........SUNRISE 605 AM EDT SUNSET 902 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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