469  
CDUS43 KGRR 140530  
CLIMKG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN  
130 AM EDT THU SEP 14 2023  
   
...............................
 
 
   
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 13 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 68 12:49 PM 92 1952 75 -7 76  
MINIMUM 50 1:37 AM 36 1946 55 -5 55  
AVERAGE 59 65 -6 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 2.24 1962 0.10 -0.04 T  
MONTH TO DATE 1.44 1.36 0.08 1.69  
SINCE SEP 1 1.44 1.36 0.08 1.69  
SINCE JAN 1 22.42 24.04 -1.62 24.20  
 
SNOWFALL (IN)  
YESTERDAY MM MM MM 0.0 MM 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 3 3 0  
MONTH TO DATE 18 25 -7 0  
SINCE SEP 1 18 25 -7 0  
SINCE JUL 1 23 47 -24 7  
 
COOLING  
YESTERDAY 0 2 -2 1  
MONTH TO DATE 74 44 30 66  
SINCE SEP 1 74 44 30 66  
SINCE JAN 1 728 617 111 822    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 60 12:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE MUSKEGON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 87 1897  
MINIMUM TEMPERATURE (F) 54 34 1919  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 7:23 AM EDT SUNSET 7:57 PM EDT  
SEPTEMBER 15 2023.....SUNRISE 7:24 AM EDT SUNSET 7:55 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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