987  
CDUS43 KGRR 180517  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
116 AM EDT WED SEP 18 2019  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR SEPTEMBER 17 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 457 PM 92 1906 73 -3 90  
MINIMUM 58 654 AM 37 1959 52 6 62  
1902  
AVERAGE 64 62 2 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.29 1997 0.15 -0.15 0.00  
MONTH TO DATE 2.22 2.38 -0.16 2.07  
SINCE SEP 1 2.22 2.38 -0.16 2.07  
SINCE JAN 1 32.48 27.10 5.38 30.18  
 
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 4 -3 0  
MONTH TO DATE 20 44 -24 13  
SINCE SEP 1 20 44 -24 13  
SINCE JUL 1 28 64 -36 15  
 
COOLING  
YESTERDAY 0 2 -2 11  
MONTH TO DATE 46 51 -5 103  
SINCE SEP 1 46 51 -5 103  
SINCE JAN 1 688 676 12 951    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE 73 PERCENT  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 70 200 PM  
AVERAGE 82  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 1906  
MINIMUM TEMPERATURE (F) 52 35 1973  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2019.....SUNRISE 725 AM EDT SUNSET 747 PM EDT  
SEPTEMBER 19 2019.....SUNRISE 726 AM EDT SUNSET 745 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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