439  
CDUS43 KAPX 210625  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
225 AM EDT THU OCT 21 2021  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR OCTOBER 20 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1916 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 2:42 PM 82 1920 56 17 48  
MINIMUM 54 11:59 PM 20 1934 36 18 33  
1944  
AVERAGE 64 46 18 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 2.25 2011 0.10 0.12 0.06  
MONTH TO DATE 2.37 1.99 0.38 1.64  
SINCE SEP 1 4.65 4.83 -0.18 4.16  
SINCE JAN 1 23.13 24.71 -1.58 29.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 1992 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 19 24  
MONTH TO DATE 108 313 367  
SINCE SEP 1 271 525 607  
SINCE JUL 1 307 611 634  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 10 0 0  
SINCE SEP 1 24 32 8  
SINCE JAN 1 523 348 469    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.7  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 48  
AVERAGE 74  
   
......................................................
 
 
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 2021.......SUNRISE 7:58 AM EDT SUNSET 6:39 PM EDT  
OCTOBER 22 2021.......SUNRISE 8:00 AM EDT SUNSET 6:37 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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