057  
CDUS43 KGRR 152135  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
535 PM EDT MON SEP 15 2025  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 15 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 2:25 PM 97 1939 74 10 88  
MINIMUM 56 3:21 AM 36 1953 53 3 58  
AVERAGE 70 64 6 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.32 1901 0.11 -0.11 0.00  
MONTH TO DATE 0.62 1.62 -1.00 0.26  
SINCE SEP 1 0.62 1.62 -1.00 0.26  
SINCE JAN 1 19.55 27.99 -8.44 28.02  
 
SNOWFALL (IN)  
TODAY 0.0 T 1956 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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  
TODAY 0 4 -4 0  
MONTH TO DATE 57 31 26 30  
SINCE SEP 1 57 31 26 30  
SINCE JUL 1 88 48 40 45  
 
COOLING  
TODAY 5 2 3 8  
MONTH TO DATE 19 50 -31 47  
SINCE SEP 1 19 50 -31 47  
SINCE JAN 1 772 702 70 701    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 1906  
1955  
MINIMUM TEMPERATURE (F) 53 32 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2025.....SUNRISE 7:22 AM EDT SUNSET 7:51 PM EDT  
SEPTEMBER 16 2025.....SUNRISE 7:23 AM EDT SUNSET 7:50 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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