376  
CDUS43 KDTX 220536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT THU MAY 22 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 21 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 50 653 PM 94 1977 71 -21 81  
MINIMUM 47 954 AM 34 1954 50 -3 63  
1969  
AVERAGE 49 60 -11 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 1.82 1912 0.11 0.23 T  
MONTH TO DATE 3.69 2.35 1.34 1.20  
SINCE MAR 1 8.87 7.56 1.31 6.35  
SINCE JAN 1 10.13 11.25 -1.12 9.33  
 
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 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  
YESTERDAY 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 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 PM  
LOWEST 83 600 AM  
AVERAGE 88  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 1992  
MINIMUM TEMPERATURE (F) 50 33 1917  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 605 AM EDT SUNSET 902 PM EDT  
MAY 23 2025...........SUNRISE 604 AM EDT SUNSET 903 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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