137  
CDUS43 KGRR 150530  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
130 AM EDT THU MAY 15 2025  
   
...............................  
 
   
..THE GRAND RAPIDS CLIMATE SUMMARY FOR MAY 14 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1892 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 4:31 PM 89 1982 69 9 65  
MINIMUM 62 12:44 AM 31 1973 48 14 52  
AVERAGE 70 59 11 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 1945 0.12 -0.12 0.13  
MONTH TO DATE 1.50 1.84 -0.34 1.74  
SINCE MAR 1 8.14 8.22 -0.08 8.15  
SINCE JAN 1 10.25 12.86 -2.61 13.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1953 0.0 0.0 0.0  
2016  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.7 9.6 -7.9 7.2  
SINCE JUL 1 63.8 77.6 -13.8 47.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 6  
MONTH TO DATE 106 134 -28 73  
SINCE MAR 1 1355 1572 -217 1242  
SINCE JUL 1 5825 6278 -453 5328  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 8 10 -2 5  
SINCE MAR 1 8 16 -8 8  
SINCE JAN 1 8 16 -8 8    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 52 4:00 PM  
AVERAGE 73  
   
......................................................  
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1991  
MINIMUM TEMPERATURE (F) 48 34 1920  
 
SUNRISE AND SUNSET  
MAY 15 2025...........SUNRISE 6:19 AM EDT SUNSET 8:59 PM EDT  
MAY 16 2025...........SUNRISE 6:18 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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