279  
CDUS43 KGRR 190527  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
127 AM EDT TUE SEP 19 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 18 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1896 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 2:37 PM 86 1906 73 -3 80  
MINIMUM 50 11:59 PM 34 1959 53 -3 69  
1973  
1995  
AVERAGE 60 63 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.67 1983 0.11 -0.11 0.14  
MONTH TO DATE 1.49 1.91 -0.42 1.84  
SINCE SEP 1 1.49 1.91 -0.42 1.84  
SINCE JAN 1 22.47 24.59 -2.12 24.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1952 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 5 4 1 0  
MONTH TO DATE 35 44 -9 0  
SINCE SEP 1 35 44 -9 0  
SINCE JUL 1 40 66 -26 7  
 
COOLING  
YESTERDAY 0 2 -2 10  
MONTH TO DATE 74 54 20 96  
SINCE SEP 1 74 54 20 96  
SINCE JAN 1 728 627 101 852    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 55 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 93 1932  
MINIMUM TEMPERATURE (F) 52 36 1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2023.....SUNRISE 7:29 AM EDT SUNSET 7:48 PM EDT  
SEPTEMBER 20 2023.....SUNRISE 7:30 AM EDT SUNSET 7:46 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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