985  
CDUS43 KGRR 211424  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
924 AM EST TUE NOV 21 2017  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR NOVEMBER 21 2017
 
 
VALID AS OF 0900 AM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 44 859 AM 70 1913 45 -1 39  
MINIMUM 41 813 AM 10 2014 31 10 27  
AVERAGE 43 38 5 33  
 
PRECIPITATION (IN)  
TODAY 0.00 1.31 1979 0.11 -0.11 0.00  
MONTH TO DATE 2.71 2.52 0.19 1.83  
SINCE SEP 1 13.06 10.06 3.00 10.38  
SINCE JAN 1 37.38 34.78 2.60 41.92  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1896 0.3 -0.3 0.0  
MONTH TO DATE 0.2 3.6 -3.4 0.8  
SINCE SEP 1 0.6 4.1 -3.5 0.8  
SINCE JUL 1 0.6 4.1 -3.5 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 27 -5 32  
MONTH TO DATE 557 484 73 358  
SINCE SEP 1 948 1056 -108 726  
SINCE JUL 1 964 1076 -112 726  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 147 74 73 105  
SINCE JAN 1 719 699 20 936    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 16.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 800 AM  
LOWEST 57 100 AM  
AVERAGE 65  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 66 1913  
MINIMUM TEMPERATURE (F) 31 13 1929  
 
 
SUNRISE AND SUNSET  
NOVEMBER 21 2017......SUNRISE 742 AM EST SUNSET 514 PM EST  
NOVEMBER 22 2017......SUNRISE 743 AM EST SUNSET 513 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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