098  
CDUS43 KAPX 170545  
CLIAPN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE  
145 AM EDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE ALPENA MI CLIMATE SUMMARY FOR SEPTEMBER 16 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 76 2:18 PM 90 1955 71 5 76  
MINIMUM 45 4:51 AM 26 1923 47 -2 61  
1964  
AVERAGE 61 59 2 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 1.24 1929 0.09 0.24 0.00  
MONTH TO DATE 0.80 1.52 -0.72 0.29  
SINCE SEP 1 0.80 1.52 -0.72 0.29  
SINCE JAN 1 23.99 21.40 2.59 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 4 7 0  
MONTH TO DATE 73 81 48  
SINCE SEP 1 73 81 48  
SINCE JUL 1 145 167 84  
 
COOLING  
YESTERDAY 0 1 4  
MONTH TO DATE 49 25 32  
SINCE SEP 1 49 25 32  
SINCE JAN 1 297 341 367    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.5  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 48  
AVERAGE 74  
   
......................................................
 
 
THE ALPENA MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1955  
MINIMUM TEMPERATURE (F) 47 28 1923  
1945  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 7:15 AM EDT SUNSET 7:42 PM EDT  
SEPTEMBER 18 2023.....SUNRISE 7:16 AM EDT SUNSET 7:40 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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