965  
CDUS43 KGRR 140520  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
120 AM EDT SAT SEP 14 2024  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 13 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 86 3:28 PM 95 1939 75 11 65  
1952  
MINIMUM 57 5:56 AM 35 1975 54 3 48  
AVERAGE 72 65 7 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 1962 0.10 -0.10 0.00  
MONTH TO DATE 0.26 1.40 -1.14 1.21  
SINCE SEP 1 0.26 1.40 -1.14 1.21  
SINCE JAN 1 28.02 27.77 0.25 27.63  
 
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 3 -3 8  
MONTH TO DATE 30 24 6 26  
SINCE SEP 1 30 24 6 26  
SINCE JUL 1 45 41 4 40  
 
COOLING  
YESTERDAY 7 3 4 0  
MONTH TO DATE 31 46 -15 60  
SINCE SEP 1 31 46 -15 60  
SINCE JAN 1 685 698 -13 628    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE 567 MINUTES / 75 PERCENT  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 37 3:00 PM  
AVERAGE 65  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1939  
MINIMUM TEMPERATURE (F) 54 31 1899  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2024.....SUNRISE 7:21 AM EDT SUNSET 7:53 PM EDT  
SEPTEMBER 15 2024.....SUNRISE 7:22 AM EDT SUNSET 7:51 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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