534  
CDUS43 KAPX 120539  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
139 AM EDT MON MAY 12 2025  
   
...............................  
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR MAY 11 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 57 3:35 PM 86 1982 64 -7 52  
MINIMUM 34 4:19 AM 21 1949 39 -5 39  
AVERAGE 46 52 -6 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 2006 0.09 -0.09 0.28  
MONTH TO DATE 1.16 0.98 0.18 1.02  
SINCE MAR 1 6.67 5.72 0.95 8.65  
SINCE JAN 1 9.59 9.05 0.54 12.11  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE JUL 1 73.5 77.6 -4.1 48.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 14 19  
MONTH TO DATE 198 172 145  
SINCE MAR 1 1685 1995 1677  
SINCE JUL 1 6664 7519 6334  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE MAR 1 0 1 0  
SINCE JAN 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.2  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73  
LOWEST 26  
AVERAGE 50  
   
......................................................  
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 89 2022  
MINIMUM TEMPERATURE (F) 40 22 2020  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 6:08 AM EDT SUNSET 8:54 PM EDT  
MAY 13 2025...........SUNRISE 6:07 AM EDT SUNSET 8:55 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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