072  
CDUS43 KGRR 130522  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1222 AM EST WED DEC 13 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 10:46 AM 60 1899 37 0 35  
1949  
1991  
MINIMUM 28 9:03 PM -5 1958 26 2 33  
AVERAGE 33 31 2 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.56 2020 0.08 -0.08 0.00  
MONTH TO DATE 0.85 1.01 -0.16 0.25  
SINCE DEC 1 0.85 1.01 -0.16 0.25  
SINCE JAN 1 35.70 37.93 -2.23 35.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1972 0.7 -0.7 0.0  
MONTH TO DATE 0.1 6.9 -6.8 0.8  
SINCE DEC 1 0.1 6.9 -6.8 0.8  
SINCE JUL 1 2.0 14.3 -12.3 28.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 34 -2 31  
MONTH TO DATE 329 387 -58 363  
SINCE DEC 1 329 387 -58 363  
SINCE JUL 1 1574 1700 -126 1637  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 668 733 -65 800    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE 184 MINUTES / 34 PERCENT  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 61 2015  
MINIMUM TEMPERATURE (F) 25 -6 1958  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 8:04 AM EST SUNSET 5:08 PM EST  
DECEMBER 14 2023......SUNRISE 8:05 AM EST SUNSET 5:08 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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