433  
CDUS43 KGRR 150523  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1223 AM EST SUN DEC 15 2024  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 14 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 32 11:59 PM 59 1975 36 -4 50  
2015  
MINIMUM 10 4:15 AM -1 1943 25 -15 25  
AVERAGE 21 31 -10 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.32 1975 0.07 -0.03 0.00  
MONTH TO DATE 0.94 1.16 -0.22 0.85  
SINCE DEC 1 0.94 1.16 -0.22 0.85  
SINCE JAN 1 34.76 38.08 -3.32 35.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 1907 0.7 -0.7 0.0  
MONTH TO DATE 13.4 8.3 5.1 0.1  
SINCE DEC 1 13.4 8.3 5.1 0.1  
SINCE JUL 1 24.7 15.7 9.0 2.0  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 34 10 27  
MONTH TO DATE 508 455 53 389  
SINCE DEC 1 508 455 53 389  
SINCE JUL 1 1496 1768 -272 1634  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 766 733 33 668    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 12.8  
 
SKY COVER  
POSSIBLE SUNSHINE 39 PERCENT / 213 MINUTES  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 11:00 AM  
LOWEST 66 5:00 PM  
AVERAGE 74  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 62 2021  
MINIMUM TEMPERATURE (F) 25 -7 1917  
 
SUNRISE AND SUNSET  
DECEMBER 15 2024......SUNRISE 8:06 AM EST SUNSET 5:09 PM EST  
DECEMBER 16 2024......SUNRISE 8:07 AM EST SUNSET 5:09 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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