401  
CDUS43 KGRR 200525  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
125 AM EDT SUN AUG 20 2017  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR AUGUST 19 2017
 
 
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)  
YESTERDAY  
MAXIMUM 81 410 PM 98 1955 81 0 82  
MINIMUM 60 613 AM 43 1977 61 -1 67  
AVERAGE 71 71 0 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.22 1939 0.11 -0.11 T  
MONTH TO DATE 1.48 2.21 -0.73 5.89  
SINCE JUN 1 7.48 9.76 -2.28 12.66  
SINCE JAN 1 24.08 23.34 0.74 29.46  
 
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 JUN 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 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 24 51 -27 21  
SINCE JUL 1 2 6 -4 0  
 
COOLING  
YESTERDAY 6 6 0 10  
MONTH TO DATE 110 129 -19 194  
SINCE JUN 1 512 513 -1 680  
SINCE JAN 1 542 560 -18 751    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE 98 PERCENT  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 45 300 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1947  
MINIMUM TEMPERATURE (F) 61 43 1992  
 
 
SUNRISE AND SUNSET  
AUGUST 20 2017........SUNRISE 654 AM EDT SUNSET 836 PM EDT  
AUGUST 21 2017........SUNRISE 655 AM EDT SUNSET 834 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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