647  
CDUS43 KAPX 180527  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
127 AM EDT MON SEP 18 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 17 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 69 1:51 PM 92 1955 71 -2 85  
MINIMUM 51 7:00 AM 28 1923 47 4 60  
1945  
AVERAGE 60 59 1 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1931 0.10 -0.10 0.02  
MONTH TO DATE 0.80 1.62 -0.82 0.31  
SINCE SEP 1 0.80 1.62 -0.82 0.31  
SINCE JAN 1 23.99 21.50 2.49 22.13  
 
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 5 7 0  
MONTH TO DATE 78 88 48  
SINCE SEP 1 78 88 48  
SINCE JUL 1 150 174 84  
 
COOLING  
YESTERDAY 0 1 8  
MONTH TO DATE 49 26 40  
SINCE SEP 1 49 26 40  
SINCE JAN 1 297 342 375    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 57  
AVERAGE 79  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 1955  
MINIMUM TEMPERATURE (F) 46 27 1990  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 7:16 AM EDT SUNSET 7:40 PM EDT  
SEPTEMBER 19 2023.....SUNRISE 7:17 AM EDT SUNSET 7:38 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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