543  
CDUS43 KGRR 220535  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
135 AM EDT THU MAY 22 2025  
   
...............................  
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR MAY 21 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 50 2:15 PM 88 1977 70 -20 88  
MINIMUM 47 11:59 PM 27 2002 49 -2 56  
AVERAGE 49 60 -11 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.51 2.30 2004 0.11 0.40 0.00  
MONTH TO DATE 2.44 2.38 0.06 1.92  
SINCE MAR 1 7.94 8.25 -0.31 8.29  
SINCE JAN 1 10.45 12.78 -2.33 12.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1963 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 16 7 9 0  
MONTH TO DATE 208 199 9 62  
SINCE MAR 1 1484 1658 -174 1158  
SINCE JUL 1 5663 6195 -532 4863  
 
COOLING  
YESTERDAY 0 1 -1 7  
MONTH TO DATE 23 12 11 9  
SINCE MAR 1 23 15 8 10  
SINCE JAN 1 23 15 8 10    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 AM  
LOWEST 80 1:00 AM  
AVERAGE 89  
   
......................................................  
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 1977  
MINIMUM TEMPERATURE (F) 50 34 1971  
1979  
 
SUNRISE AND SUNSET  
MAY 22 2025...........SUNRISE 6:14 AM EDT SUNSET 9:09 PM EDT  
MAY 23 2025...........SUNRISE 6:14 AM EDT SUNSET 9:10 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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