504  
CDUS43 KDTX 210537  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
137 AM EDT MON APR 21 2025  
   
...............................  
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR APRIL 20 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 52 239 PM 81 1957 58 -6 45  
1985  
1987  
MINIMUM 35 619 AM 23 1928 38 -3 36  
AVERAGE 44 48 -4 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.17 2000 0.11 -0.11 T  
MONTH TO DATE 2.25 2.09 0.16 1.89  
SINCE MAR 1 4.94 4.11 0.83 4.51  
SINCE JAN 1 6.20 7.80 -1.60 7.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.4 1943 0.1 -0.1 T  
MONTH TO DATE 0.6 2.1 -1.5 T  
SINCE MAR 1 2.1 8.1 -6.0 6.2  
SINCE JUL 1 32.3 48.7 -16.4 32.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 17 4 24  
MONTH TO DATE 435 423 12 312  
SINCE MAR 1 1224 1385 -161 1084  
SINCE JUL 1 5792 6330 -538 5211  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 1 0 0  
SINCE JAN 1 1 1 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 600 AM  
LOWEST 56 100 PM  
AVERAGE 69  
   
......................................................  
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 84 1985  
MINIMUM TEMPERATURE (F) 38 24 2021  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 644 AM EDT SUNSET 827 PM EDT  
APRIL 22 2025.........SUNRISE 642 AM EDT SUNSET 828 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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