643  
CDUS43 KGRR 202118  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
517 PM EDT SUN AUG 20 2023  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR DECEMBER 25 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 25 1159 PM 65 1982 32 -7 55  
MINIMUM 18 655 AM -3 1983 21 -3 28  
AVERAGE 22 27 -5 42  
 
PRECIPITATION (IN)  
YESTERDAY T 1.01 1982 0.08 -0.08 0.00  
MONTH TO DATE T 2.05 -2.05 1.60  
SINCE DEC 1 T 2.05 -2.05 1.60  
SINCE JAN 1 32.55 37.82 -5.27 48.93  
 
SNOWFALL (IN)  
YESTERDAY T 7.0 2017 0.8 -0.8 0.0  
1990  
MONTH TO DATE T 17.1 -17.1 8.4  
SINCE DEC 1 T 17.1 -17.1 8.4  
SINCE JUL 1 0.2 24.4 -24.2 15.2  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 38 5 23  
MONTH TO DATE 43 876 -833 834  
SINCE DEC 1 43 876 -833 834  
SINCE JUL 1 783 2214 -1431 2256  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 829 699 130 742    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 13.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE 0 PERCENT  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 AM  
LOWEST 68 100 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 61 2019  
MINIMUM TEMPERATURE (F) 21 -6 1951  
 
 
SUNRISE AND SUNSET  
DECEMBER 26 2020......SUNRISE 812 AM EST SUNSET 514 PM EST  
DECEMBER 27 2020......SUNRISE 812 AM EST SUNSET 515 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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