274  
CDUS43 KGRR 130557  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
157 AM EDT THU AUG 13 2020  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR AUGUST 12 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 326 PM 95 1988 81 5 88  
MINIMUM 55 605 AM 45 1954 62 -7 70  
AVERAGE 71 72 -1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.61 2016 0.12 -0.12 0.00  
MONTH TO DATE 1.31 1.39 -0.08 0.39  
SINCE JUN 1 8.90 8.94 -0.04 8.67  
SINCE JAN 1 25.33 22.52 2.81 27.24  
 
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 1 0 1 0  
SINCE JUN 1 30 51 -21 49  
SINCE JUL 1 1 6 -5 0  
 
COOLING  
YESTERDAY 6 7 -1 14  
MONTH TO DATE 66 84 -18 98  
SINCE JUN 1 581 468 113 541  
SINCE JAN 1 631 515 116 547    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE 100 PERCENT  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 34 300 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 97 1918  
MINIMUM TEMPERATURE (F) 62 44 1941  
 
 
SUNRISE AND SUNSET  
AUGUST 13 2020........SUNRISE 647 AM EDT SUNSET 846 PM EDT  
AUGUST 14 2020........SUNRISE 648 AM EDT SUNSET 845 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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