347  
CDUS43 KGRR 210523  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
123 AM EDT WED MAY 21 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR MAY 20 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1896 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 MM 90 2012 70 -21 82  
MINIMUM 45 MM 30 1906 49 -4 48  
1924  
AVERAGE 47 59 -12 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.85 1.47 1996 0.11 0.74 0.26  
MONTH TO DATE 1.93 2.27 -0.34 1.92  
SINCE MAR 1 7.43 8.14 -0.71 8.29  
SINCE JAN 1 9.94 12.67 -2.73 12.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.7 9.3 -6.6 5.8  
SINCE JUL 1 76.2 87.2 -11.0 55.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 7 11 0  
MONTH TO DATE 192 192 0 62  
SINCE MAR 1 1468 1651 -183 1158  
SINCE JUL 1 5647 6188 -541 4863  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 23 11 12 2  
SINCE MAR 1 23 14 9 3  
SINCE JAN 1 23 14 9 3    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 16.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 PM  
LOWEST 47 2:00 AM  
AVERAGE 72  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 88 1977  
MINIMUM TEMPERATURE (F) 49 27 2002  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 6:15 AM EDT SUNSET 9:08 PM EDT  
MAY 22 2025...........SUNRISE 6:14 AM EDT SUNSET 9:09 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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