365  
CDUS43 KABR 210721  
CLIPIR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
221 AM CDT SUN SEP 21 2025  
   
...............................  
 
   
..THE PIERRE SD CLIMATE SUMMARY FOR SEPTEMBER 20 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1892 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 419 PM 104 1937 76 -5 90  
MINIMUM 52 1059 PM 33 1983 48 4 47  
AVERAGE 62 62 0 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.65 1989 0.06 -0.06 0.00  
MONTH TO DATE 4.76 1.13 3.63 1.10  
SINCE SEP 1 4.76 1.13 3.63 1.10  
SINCE JAN 1 20.73 16.49 4.24 18.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE OCT 1 15.0 37.2 -22.2 28.7  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 5 -2 0  
MONTH TO DATE 58 64 -6 8  
SINCE SEP 1 58 64 -6 8  
SINCE JUL 1 72 85 -13 17  
 
COOLING  
YESTERDAY 0 2 -2 4  
MONTH TO DATE 69 79 -10 153  
SINCE SEP 1 69 79 -10 153  
SINCE JAN 1 909 818 91 838    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 57 400 PM  
AVERAGE 79  
   
......................................................  
 
THE PIERRE SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 99 1937  
MINIMUM TEMPERATURE (F) 48 31 1995  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 727 AM CDT SUNSET 740 PM CDT  
SEPTEMBER 22 2025.....SUNRISE 729 AM CDT SUNSET 738 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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