547  
CDUS43 KDTX 202041  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
441 PM EDT TUE MAY 20 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 20 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 57 155 PM 93 1977 70 -13 79  
MINIMUM 40 305 AM 30 1926 49 -9 56  
AVERAGE 49 60 -11 68  
 
PRECIPITATION (IN)  
TODAY 0.00 3.14 1996 0.11 -0.11 0.36  
MONTH TO DATE 3.11 2.24 0.87 1.20  
SINCE MAR 1 8.29 7.45 0.84 6.35  
SINCE JAN 1 9.55 11.14 -1.59 9.33  
 
SNOWFALL (IN)  
TODAY 0.0 0.2 2002 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 190 194 -4 107  
SINCE MAR 1 1516 1730 -214 1327  
SINCE JUL 1 6084 6675 -591 5454  
 
COOLING  
TODAY 0 2 -2 3  
MONTH TO DATE 24 15 9 26  
SINCE MAR 1 25 18 7 27  
SINCE JAN 1 25 18 7 27    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 45  
AVERAGE 62  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1977  
MINIMUM TEMPERATURE (F) 50 34 1954  
1969  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 606 AM EDT SUNSET 900 PM EDT  
MAY 21 2025...........SUNRISE 606 AM EDT SUNSET 901 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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