914  
CDUS43 KGRR 160521  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
121 AM EDT TUE OCT 16 2018  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 15 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 50 458 AM 85 1947 61 -11 67  
1899  
1897  
MINIMUM 39 1159 PM 23 1944 42 -3 47  
AVERAGE 45 51 -6 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.90 1942 0.09 0.01 0.45  
MONTH TO DATE 3.83 1.60 2.23 5.02  
SINCE SEP 1 9.76 5.88 3.88 5.68  
SINCE JAN 1 37.87 30.60 7.27 30.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 14 6 8  
MONTH TO DATE 138 175 -37 64  
SINCE SEP 1 234 307 -73 147  
SINCE JUL 1 236 327 -91 163  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 20 4 16 10  
SINCE SEP 1 155 71 84 146  
SINCE JAN 1 1003 696 307 718    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE 28 PERCENT  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 45 400 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 83 1938  
MINIMUM TEMPERATURE (F) 42 25 1977  
1944  
 
 
SUNRISE AND SUNSET  
OCTOBER 16 2018.......SUNRISE 757 AM EDT SUNSET 658 PM EDT  
OCTOBER 17 2018.......SUNRISE 758 AM EDT SUNSET 656 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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