388  
CDUS43 KGRR 202126  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
526 PM EDT FRI SEP 20 2024  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 20 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 11:21 AM 90 1931 72 13 78  
MINIMUM 62 12:42 AM 33 1956 51 11 57  
AVERAGE 74 62 12 68  
 
PRECIPITATION (IN)  
TODAY 0.09 2.72 2018 0.13 -0.04 0.02  
MONTH TO DATE 0.35 2.22 -1.87 1.23  
SINCE SEP 1 0.35 2.22 -1.87 1.23  
SINCE JAN 1 28.11 28.59 -0.48 27.65  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 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 5 -5 0  
MONTH TO DATE 30 53 -23 61  
SINCE SEP 1 30 53 -23 61  
SINCE JUL 1 45 70 -25 75  
 
COOLING  
TODAY 9 2 7 3  
MONTH TO DATE 77 60 17 63  
SINCE SEP 1 77 60 17 63  
SINCE JAN 1 731 712 19 631    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 41 12:00 PM  
AVERAGE 63  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 2017  
MINIMUM TEMPERATURE (F) 51 32 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 7:28 AM EDT SUNSET 7:42 PM EDT  
SEPTEMBER 21 2024.....SUNRISE 7:29 AM EDT SUNSET 7:40 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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