271  
CDUS43 KGRR 250521  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
121 AM EDT WED SEP 25 2024  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 24 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 70 3:07 PM 94 2017 71 -1 75  
MINIMUM 57 6:53 AM 29 1950 50 7 50  
1976  
AVERAGE 64 60 4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.41 1.39 1977 0.12 0.29 0.00  
MONTH TO DATE 1.30 2.72 -1.42 1.23  
SINCE SEP 1 1.30 2.72 -1.42 1.23  
SINCE JAN 1 29.06 29.09 -0.03 27.65  
 
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 1 6 -5 2  
MONTH TO DATE 36 75 -39 63  
SINCE SEP 1 36 75 -39 63  
SINCE JUL 1 51 92 -41 77  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 89 66 23 72  
SINCE SEP 1 89 66 23 72  
SINCE JAN 1 743 718 25 640    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE 0 PERCENT / 0 MINUTES  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 81 4:00 PM  
AVERAGE 89  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2017  
MINIMUM TEMPERATURE (F) 50 29 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2024.....SUNRISE 7:33 AM EDT SUNSET 7:33 PM EDT  
SEPTEMBER 26 2024.....SUNRISE 7:34 AM EDT SUNSET 7:31 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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