981  
CDUS43 KGRR 122127  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
527 PM EDT MON MAY 12 2025  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR MAY 12 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 3:26 PM 91 2022 67 19 78  
MINIMUM 44 6:03 AM 29 2020 46 -2 41  
AVERAGE 65 57 8 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.23 1999 0.12 -0.12 0.14  
MONTH TO DATE 0.84 1.40 -0.56 1.60  
SINCE MAR 1 6.34 7.27 -0.93 7.97  
SINCE JAN 1 8.85 11.80 -2.95 11.78  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 9 -9 5  
MONTH TO DATE 134 130 4 56  
SINCE MAR 1 1410 1589 -179 1152  
SINCE JUL 1 5589 6126 -537 4857  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 0 6 -6 1  
SINCE JAN 1 0 6 -6 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 6:00 AM  
LOWEST 23 4:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 89 2022  
MINIMUM TEMPERATURE (F) 47 25 1996  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 6:24 AM EDT SUNSET 8:59 PM EDT  
MAY 13 2025...........SUNRISE 6:23 AM EDT SUNSET 9:00 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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