144  
CDUS43 KGRR 132130  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
530 PM EDT WED SEP 13 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 13 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 12:31 PM 95 1939 75 -10 73  
1952  
MINIMUM 48 3:32 AM 35 1975 54 -6 52  
AVERAGE 57 65 -8 63  
 
PRECIPITATION (IN)  
TODAY 0.00 2.46 1962 0.10 -0.10 0.00  
MONTH TO DATE 1.21 1.40 -0.19 0.34  
SINCE SEP 1 1.21 1.40 -0.19 0.34  
SINCE JAN 1 27.63 27.77 -0.14 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 8 3 5 2  
MONTH TO DATE 26 24 2 9  
SINCE SEP 1 26 24 2 9  
SINCE JUL 1 40 41 -1 16  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 60 46 14 50  
SINCE SEP 1 60 46 14 50  
SINCE JAN 1 628 698 -70 763    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 62 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1939  
MINIMUM TEMPERATURE (F) 54 31 1899  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2023.....SUNRISE 7:19 AM EDT SUNSET 7:56 PM EDT  
SEPTEMBER 14 2023.....SUNRISE 7:20 AM EDT SUNSET 7:54 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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