491  
CDUS43 KGRR 100525  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
125 AM EDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR OCTOBER 9 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 54 12:41 PM 84 1939 64 -10 65  
2018  
MINIMUM 40 7:06 AM 23 1989 44 -4 36  
AVERAGE 47 54 -7 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.54 1958 0.13 -0.13 T  
MONTH TO DATE 2.20 1.15 1.05 T  
SINCE SEP 1 3.45 4.58 -1.13 1.30  
SINCE JAN 1 29.87 30.95 -1.08 28.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1945 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 11 7 14  
MONTH TO DATE 65 88 -23 117  
SINCE SEP 1 142 206 -64 231  
SINCE JUL 1 156 223 -67 238  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 27 4 23 0  
SINCE SEP 1 100 77 23 84  
SINCE JAN 1 668 729 -61 797    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE 323 MINUTES/52%  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 2:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 85 1949  
MINIMUM TEMPERATURE (F) 44 26 1956  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 7:49 AM EDT SUNSET 7:08 PM EDT  
OCTOBER 11 2023.......SUNRISE 7:50 AM EDT SUNSET 7:06 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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