469  
CDUS43 KAPX 090527  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
127 AM EDT TUE SEP 09 2025  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 8 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1916 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 4:40 PM 94 1919 74 -9 73  
MINIMUM 38 3:44 AM 33 1982 49 -11 43  
AVERAGE 52 62 -10 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 1924 0.10 -0.10 0.00  
MONTH TO DATE 0.40 0.76 -0.36 0.13  
SINCE SEP 1 0.40 0.76 -0.36 0.13  
SINCE JAN 1 20.67 20.64 0.03 26.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 5 7  
MONTH TO DATE 75 33 39  
SINCE SEP 1 75 33 39  
SINCE JUL 1 162 119 71  
 
COOLING  
YESTERDAY 0 2 0  
MONTH TO DATE 0 16 1  
SINCE SEP 1 0 16 1  
SINCE JAN 1 373 332 392    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 45  
AVERAGE 73  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1931  
MINIMUM TEMPERATURE (F) 49 30 1930  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2025.....SUNRISE 7:06 AM EDT SUNSET 7:56 PM EDT  
SEPTEMBER 10 2025.....SUNRISE 7:07 AM EDT SUNSET 7:54 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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