054  
CDUS43 KGRR 140530  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
130 AM EDT THU SEP 14 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 13 2023
 
 
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)  
YESTERDAY  
MAXIMUM 65 5:24 PM 95 1939 75 -10 73  
1952  
MINIMUM 48 3:32 AM 35 1975 54 -6 52  
AVERAGE 57 65 -8 63  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
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 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  
YESTERDAY 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 3.1  
 
SKY COVER  
POSSIBLE SUNSHINE 46 PERCENT / 349 MINUTES  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 62 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
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 2023.....SUNRISE 7:20 AM EDT SUNSET 7:54 PM EDT  
SEPTEMBER 15 2023.....SUNRISE 7:22 AM EDT SUNSET 7:52 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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