187  
CDUS43 KGRR 140522  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
1222 AM EST SAT DEC 14 2024  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 13 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 22 3:52 PM 61 2015 37 -15 41  
MINIMUM 11 10:44 PM -6 1958 25 -14 22  
AVERAGE 17 31 -14 32  
 
PRECIPITATION (IN)  
YESTERDAY T 0.81 1975 0.08 -0.08 0.00  
MONTH TO DATE 0.90 1.09 -0.19 0.85  
SINCE DEC 1 0.90 1.09 -0.19 0.85  
SINCE JAN 1 34.72 38.01 -3.29 35.70  
 
SNOWFALL (IN)  
YESTERDAY T 6.8 1973 0.7 -0.7 0.0  
MONTH TO DATE 13.4 7.6 5.8 0.1  
SINCE DEC 1 13.4 7.6 5.8 0.1  
SINCE JUL 1 24.7 15.0 9.7 2.0  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 48 34 14 33  
MONTH TO DATE 464 421 43 362  
SINCE DEC 1 464 421 43 362  
SINCE JUL 1 1452 1734 -282 1607  
 
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 2 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
POSSIBLE SUNSHINE 87 PERCENT / 472 MINUTES  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
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 2024......SUNRISE 8:06 AM EST SUNSET 5:08 PM EST  
DECEMBER 15 2024......SUNRISE 8:06 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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