208  
CDUS43 KGRR 201425  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
924 AM EST MON NOV 20 2017  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR NOVEMBER 20 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 34 307 AM 71 1930 45 -11 32  
MINIMUM 30 826 AM 13 1969 32 -2 30  
AVERAGE 32 38 -6 31  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1981 0.12 -0.12 T  
MONTH TO DATE 2.71 2.41 0.30 1.83  
SINCE SEP 1 13.06 9.95 3.11 10.38  
SINCE JAN 1 37.38 34.67 2.71 41.92  
 
SNOWFALL (IN)  
TODAY 0.0 11.5 2000 0.3 -0.3 T  
MONTH TO DATE 0.2 3.3 -3.1 0.8  
SINCE SEP 1 0.6 3.8 -3.2 0.8  
SINCE JUL 1 0.6 3.8 -3.2 0.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 27 6 34  
MONTH TO DATE 542 457 85 326  
SINCE SEP 1 933 1029 -96 694  
SINCE JUL 1 949 1049 -100 694  
 
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 9 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 69 1200 AM  
AVERAGE 81  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 1913  
MINIMUM TEMPERATURE (F) 31 10 2014  
 
 
SUNRISE AND SUNSET  
NOVEMBER 20 2017......SUNRISE 741 AM EST SUNSET 514 PM EST  
NOVEMBER 21 2017......SUNRISE 742 AM EST SUNSET 514 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
JAM  
 
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