329  
CDUS43 KAPX 140540  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
140 AM EDT THU SEP 14 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 13 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 64 2:57 PM 92 1952 72 -8 74  
MINIMUM 43 11:59 PM 28 1943 48 -5 50  
AVERAGE 54 60 -6 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 1961 0.09 -0.09 T  
MONTH TO DATE 0.47 1.24 -0.77 0.29  
SINCE SEP 1 0.47 1.24 -0.77 0.29  
SINCE JAN 1 23.66 21.12 2.54 22.11  
 
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 11 6 3  
MONTH TO DATE 51 61 30  
SINCE SEP 1 51 61 30  
SINCE JUL 1 123 147 66  
 
COOLING  
YESTERDAY 0 1 0  
MONTH TO DATE 49 22 28  
SINCE SEP 1 49 22 28  
SINCE JAN 1 297 338 363    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.9  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 50  
AVERAGE 72  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 1939  
MINIMUM TEMPERATURE (F) 48 26 1963  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 7:11 AM EDT SUNSET 7:47 PM EDT  
SEPTEMBER 15 2023.....SUNRISE 7:13 AM EDT SUNSET 7:45 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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