933  
CDUS43 KGRR 242127  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
527 PM EDT THU SEP 24 2020  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 24 2020
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 209 PM 94 2017 70 7 75  
MINIMUM 54 600 AM 29 1976 49 5 55  
1950  
AVERAGE 66 59 7 65  
 
PRECIPITATION (IN)  
TODAY 0.00 1.39 1977 0.14 -0.14 0.00  
MONTH TO DATE 2.10 3.45 -1.35 4.78  
SINCE SEP 1 2.10 3.45 -1.35 4.78  
SINCE JAN 1 28.72 28.17 0.55 35.04  
 
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 0 7 -7 0  
MONTH TO DATE 106 84 22 22  
SINCE SEP 1 106 84 22 22  
SINCE JUL 1 108 104 4 30  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 26 61 -35 82  
SINCE SEP 1 26 61 -35 82  
SINCE JAN 1 819 686 133 724    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 46 100 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 2017  
MINIMUM TEMPERATURE (F) 49 29 1947  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2020.....SUNRISE 732 AM EDT SUNSET 735 PM EDT  
SEPTEMBER 25 2020.....SUNRISE 733 AM EDT SUNSET 733 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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