866  
CDUS43 KAPX 210531  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
131 AM EDT SAT OCT 21 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR OCTOBER 20 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1916 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 56 1:16 PM 82 1920 56 0 45  
MINIMUM 43 11:59 PM 20 1934 36 7 32  
1944  
AVERAGE 50 46 4 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 2.25 2011 0.10 -0.03 0.10  
MONTH TO DATE 1.03 1.99 -0.96 3.25  
SINCE SEP 1 1.85 4.83 -2.98 4.66  
SINCE JAN 1 25.04 24.71 0.33 26.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 1992 0.0 0.0 T  
MONTH TO DATE 0.0 0.1 -0.1 0.4  
SINCE JUL 1 0.0 0.1 -0.1 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 19 26  
MONTH TO DATE 242 313 371  
SINCE SEP 1 384 525 551  
SINCE JUL 1 456 611 587  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 14 0 0  
SINCE SEP 1 67 32 60  
SINCE JAN 1 315 348 395    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 84  
AVERAGE 92  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 78 1920  
MINIMUM TEMPERATURE (F) 36 20 1922  
 
SUNRISE AND SUNSET  
OCTOBER 21 2023.......SUNRISE 7:58 AM EDT SUNSET 6:39 PM EDT  
OCTOBER 22 2023.......SUNRISE 7:59 AM EDT SUNSET 6:38 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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