831  
CDUS43 KAPX 160609  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
209 AM EDT SAT SEP 16 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 15 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 74 4:38 PM 95 1939 72 2 70  
MINIMUM 40 6:19 AM 26 1964 47 -7 39  
AVERAGE 57 59 -2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.17 1954 0.09 -0.09 0.00  
MONTH TO DATE 0.47 1.43 -0.96 0.29  
SINCE SEP 1 0.47 1.43 -0.96 0.29  
SINCE JAN 1 23.66 21.31 2.35 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 8 7 10  
MONTH TO DATE 69 74 48  
SINCE SEP 1 69 74 48  
SINCE JUL 1 141 160 84  
 
COOLING  
YESTERDAY 0 1 0  
MONTH TO DATE 49 24 28  
SINCE SEP 1 49 24 28  
SINCE JAN 1 297 340 363    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.8  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 35  
AVERAGE 66  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 90 1955  
MINIMUM TEMPERATURE (F) 47 26 1923  
1964  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 7:14 AM EDT SUNSET 7:44 PM EDT  
SEPTEMBER 17 2023.....SUNRISE 7:15 AM EDT SUNSET 7:42 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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