417  
CDUS43 KGRR 220523  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
123 AM EDT SUN SEP 22 2024  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 21 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 88 3:15 PM 95 2017 72 16 80  
MINIMUM 59 1:40 AM 32 1962 51 8 58  
AVERAGE 74 62 12 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.16 1947 0.12 -0.12 0.00  
MONTH TO DATE 0.35 2.34 -1.99 1.23  
SINCE SEP 1 0.35 2.34 -1.99 1.23  
SINCE JAN 1 28.11 28.71 -0.60 27.65  
 
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 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 5 -5 0  
MONTH TO DATE 30 58 -28 61  
SINCE SEP 1 30 58 -28 61  
SINCE JUL 1 45 75 -30 75  
 
COOLING  
YESTERDAY 9 2 7 4  
MONTH TO DATE 86 62 24 67  
SINCE SEP 1 86 62 24 67  
SINCE JAN 1 740 714 26 635    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
POSSIBLE SUNSHINE 62 PERCENT / 453 MINUTES  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 30 5:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 2017  
MINIMUM TEMPERATURE (F) 51 33 1976  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2024.....SUNRISE 7:30 AM EDT SUNSET 7:38 PM EDT  
SEPTEMBER 23 2024.....SUNRISE 7:31 AM EDT SUNSET 7:37 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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