309  
CDUS43 KGRR 180524  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
124 AM EDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR AUGUST 17 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 78 12:20 PM 93 1988 80 -2 82  
MINIMUM 63 10:57 PM 44 1954 62 1 60  
AVERAGE 71 71 0 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.46 1.79 1914 0.10 0.36 0.00  
MONTH TO DATE 3.00 1.68 1.32 1.92  
SINCE JUN 1 7.65 7.48 0.17 7.15  
SINCE JAN 1 20.98 21.26 -0.28 20.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE JUN 1 46 59 -13 51  
SINCE JUL 1 0 9 -9 7  
 
COOLING  
YESTERDAY 6 6 0 6  
MONTH TO DATE 108 116 -8 143  
SINCE JUN 1 516 462 54 549  
SINCE JAN 1 562 498 64 649    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 8:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 1947  
MINIMUM TEMPERATURE (F) 61 43 1943  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:54 AM EDT SUNSET 8:43 PM EDT  
AUGUST 19 2023........SUNRISE 6:55 AM EDT SUNSET 8:42 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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