288  
CDUS43 KGRR 141141  
CLIGRR  
 
CLIMATE REPORT...CORRECTED FOR SUNSHINE DATA  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
641 AM EST THU DEC 14 2023  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 13 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 41 2:42 PM 61 2015 37 4 34  
MINIMUM 22 7:01 AM -6 1958 25 -3 30  
AVERAGE 32 31 1 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1975 0.08 -0.08 0.00  
MONTH TO DATE 0.85 1.09 -0.24 0.25  
SINCE DEC 1 0.85 1.09 -0.24 0.25  
SINCE JAN 1 35.70 38.01 -2.31 35.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.8 1973 0.7 -0.7 0.0  
MONTH TO DATE 0.1 7.6 -7.5 0.8  
SINCE DEC 1 0.1 7.6 -7.5 0.8  
SINCE JUL 1 2.0 15.0 -13.0 28.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 34 -1 33  
MONTH TO DATE 362 421 -59 396  
SINCE DEC 1 362 421 -59 396  
SINCE JUL 1 1607 1734 -127 1670  
 
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 8 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE 09 PERCENT / 47 MINUTES  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 9:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 59  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 59 1975  
2015  
MINIMUM TEMPERATURE (F) 25 -1 1943  
 
SUNRISE AND SUNSET  
DECEMBER 14 2023......SUNRISE 8:05 AM EST SUNSET 5:08 PM EST  
DECEMBER 15 2023......SUNRISE 8:06 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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