108  
CDUS43 KGRR 280531  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
131 AM EDT SAT SEP 28 2024  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 27 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 4:16 PM 86 1946 69 6 64  
MINIMUM 55 4:34 AM 29 1989 49 6 58  
AVERAGE 65 59 6 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.80 1911 0.12 -0.12 T  
MONTH TO DATE 1.32 3.08 -1.76 1.23  
SINCE SEP 1 1.32 3.08 -1.76 1.23  
SINCE JAN 1 29.08 29.45 -0.37 27.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1942 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 7 -7 4  
MONTH TO DATE 38 95 -57 70  
SINCE SEP 1 38 95 -57 70  
SINCE JUL 1 53 112 -59 84  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 90 69 21 73  
SINCE SEP 1 90 69 21 73  
SINCE JAN 1 744 721 23 641    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE 40 PERCENT / 285 MINUTES  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1905  
MINIMUM TEMPERATURE (F) 48 27 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2024.....SUNRISE 7:37 AM EDT SUNSET 7:28 PM EDT  
SEPTEMBER 29 2024.....SUNRISE 7:38 AM EDT SUNSET 7:26 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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