381  
CDUS43 KGRR 240525  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
125 AM EDT SUN SEP 24 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 23 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 75 3:25 PM 96 2017 71 4 64  
MINIMUM 54 6:47 AM 28 1974 50 4 38  
AVERAGE 65 61 4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.13 2000 0.13 -0.13 0.00  
MONTH TO DATE 1.23 2.60 -1.37 0.76  
SINCE SEP 1 1.23 2.60 -1.37 0.76  
SINCE JAN 1 27.65 28.97 -1.32 28.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1928 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 6 -6 14  
MONTH TO DATE 61 69 -8 34  
SINCE SEP 1 61 69 -8 34  
SINCE JUL 1 75 86 -11 41  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 72 65 7 84  
SINCE SEP 1 72 65 7 84  
SINCE JAN 1 640 717 -77 797    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE 564 MINUTES / 77 PERCENT  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 45 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 2017  
MINIMUM TEMPERATURE (F) 50 29 1950  
1976  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2023.....SUNRISE 7:31 AM EDT SUNSET 7:36 PM EDT  
SEPTEMBER 25 2023.....SUNRISE 7:32 AM EDT SUNSET 7:34 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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