616  
CDUS43 KGRR 112128  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
528 PM EDT MON SEP 11 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 11 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65 3:59 PM 94 1931 76 -11 69  
MINIMUM 55 4:04 AM 32 1943 55 0 61  
AVERAGE 60 65 -5 65  
 
PRECIPITATION (IN)  
TODAY 0.86 3.21 1986 0.11 0.75 0.31  
MONTH TO DATE 1.03 1.20 -0.17 0.34  
SINCE SEP 1 1.03 1.20 -0.17 0.34  
SINCE JAN 1 27.45 27.57 -0.12 27.95  
 
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 5 2 3 0  
MONTH TO DATE 14 18 -4 1  
SINCE SEP 1 14 18 -4 1  
SINCE JUL 1 28 35 -7 8  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 60 40 20 50  
SINCE SEP 1 60 40 20 50  
SINCE JAN 1 628 692 -64 763    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 AM  
LOWEST 90 8:00 AM  
AVERAGE 95  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 95 1952  
MINIMUM TEMPERATURE (F) 55 37 1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 7:17 AM EDT SUNSET 7:59 PM EDT  
SEPTEMBER 12 2023.....SUNRISE 7:18 AM EDT SUNSET 7:58 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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