238  
CDUS43 KGRR 152233  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
533 PM EST SUN DEC 15 2024  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR DECEMBER 15 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 40 4:59 PM 62 2021 36 4 53  
MINIMUM 32 12:35 AM -7 1917 25 7 32  
AVERAGE 36 30 6 43  
 
PRECIPITATION (IN)  
TODAY 0.27 2.25 1893 0.08 0.19 0.00  
MONTH TO DATE 1.21 1.24 -0.03 0.85  
SINCE DEC 1 1.21 1.24 -0.03 0.85  
SINCE JAN 1 35.03 38.16 -3.13 35.70  
 
SNOWFALL (IN)  
TODAY 0.0 6.7 1987 0.7 -0.7 0.0  
MONTH TO DATE 13.4 9.0 4.4 0.1  
SINCE DEC 1 13.4 9.0 4.4 0.1  
SINCE JUL 1 24.7 16.4 8.3 2.0  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 29 34 -5 22  
MONTH TO DATE 537 489 48 411  
SINCE DEC 1 537 489 48 411  
SINCE JUL 1 1525 1802 -277 1656  
 
COOLING  
TODAY 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 10 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
MIXED PRECIP  
RAIN  
LIGHT RAIN  
FREEZING RAIN  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 10:00 AM  
LOWEST 85 1:00 AM  
AVERAGE 93  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 2021  
MINIMUM TEMPERATURE (F) 25 -2 1901  
1989  
 
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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