175  
CDUS43 KGRR 260623  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
223 AM EDT FRI SEP 26 2025  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 25 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 74 3:24 PM 91 2017 70 4 76  
MINIMUM 58 11:59 PM 29 1947 50 8 55  
AVERAGE 66 60 6 66  
 
PRECIPITATION (IN)  
YESTERDAY T 3.52 1961 0.12 -0.12 0.02  
MONTH TO DATE 2.44 2.84 -0.40 1.32  
SINCE SEP 1 2.44 2.84 -0.40 1.32  
SINCE JAN 1 21.37 29.21 -7.84 29.08  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1928 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  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 57 81 -24 36  
SINCE SEP 1 57 81 -24 36  
SINCE JUL 1 88 98 -10 51  
 
COOLING  
YESTERDAY 1 1 0 1  
MONTH TO DATE 59 67 -8 90  
SINCE SEP 1 59 67 -8 90  
SINCE JAN 1 812 719 93 744    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 59 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2017  
MINIMUM TEMPERATURE (F) 49 30 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2025.....SUNRISE 7:34 AM EDT SUNSET 7:32 PM EDT  
SEPTEMBER 27 2025.....SUNRISE 7:35 AM EDT SUNSET 7:30 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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