917  
CDUS43 KGRR 090636  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
236 AM EDT SAT AUG 09 2025  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR AUGUST 8 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 3:40 PM 96 1894 82 9 81  
MINIMUM 70 6:53 AM 43 1989 62 8 56  
AVERAGE 81 72 9 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.57 1991 0.11 -0.11 0.00  
MONTH TO DATE T 0.95 -0.95 0.85  
SINCE JUN 1 5.20 8.75 -3.55 11.41  
SINCE JAN 1 17.30 23.77 -6.47 26.34  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 22 43 -21 25  
SINCE JUL 1 0 5 -5 5  
 
COOLING  
YESTERDAY 16 7 9 4  
MONTH TO DATE 56 60 -4 68  
SINCE JUN 1 587 461 126 475  
SINCE JAN 1 607 512 95 507    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 50 4:00 PM  
AVERAGE 70  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1934  
MINIMUM TEMPERATURE (F) 62 43 1964  
 
SUNRISE AND SUNSET  
AUGUST 9 2025........SUNRISE 6:42 AM EDT SUNSET 8:52 PM EDT  
AUGUST 10 2025........SUNRISE 6:43 AM EDT SUNSET 8:51 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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