427  
CDUS43 KAPX 300557  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
157 AM EDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 29 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 68 2:09 PM 84 1921 65 3 60  
MINIMUM 49 6:18 AM 25 1942 43 6 30  
AVERAGE 59 54 5 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1917 0.10 -0.10 0.00  
MONTH TO DATE 0.82 2.75 -1.93 1.41  
SINCE SEP 1 0.82 2.75 -1.93 1.41  
SINCE JAN 1 24.01 22.63 1.38 23.23  
 
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 6 11 20  
MONTH TO DATE 139 202 164  
SINCE SEP 1 139 202 164  
SINCE JUL 1 211 288 200  
 
COOLING  
YESTERDAY 0 0 0  
MONTH TO DATE 53 32 60  
SINCE SEP 1 53 32 60  
SINCE JAN 1 301 348 395    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 68  
AVERAGE 84  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1922  
MINIMUM TEMPERATURE (F) 42 24 1945  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 7:31 AM EDT SUNSET 7:17 PM EDT  
OCTOBER 1 2023.......SUNRISE 7:32 AM EDT SUNSET 7:15 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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