381  
CDUS43 KABR 180720  
CLI8D3  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
220 AM CDT MON AUG 18 2025  
   
...............................  
 
   
..THE SISSETON SD CLIMATE SUMMARY FOR AUGUST 17 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1932 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 541 PM 102 1976 81 -6 80  
MINIMUM 65 853 AM 42 2012 57 8 62  
AVERAGE 70 69 1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 1.87 2005 0.08 0.44 0.00  
MONTH TO DATE 3.61 1.51 2.10 3.40  
SINCE JUN 1 13.63 8.50 5.13 9.09  
SINCE JAN 1 19.73 15.82 3.91 19.58  
 
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 20.4 36.3 -15.9 10.5  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 5 -3 22  
SINCE JUN 1 71 68 3 48  
SINCE JUL 1 10 16 -6 23  
 
COOLING  
YESTERDAY 5 5 0 6  
MONTH TO DATE 94 95 -1 68  
SINCE JUN 1 415 424 -9 450  
SINCE JAN 1 470 455 15 456    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.7  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 84 500 PM  
AVERAGE 91  
   
......................................................  
 
THE SISSETON SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 105 1976  
MINIMUM TEMPERATURE (F) 57 38 1950  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 632 AM CDT SUNSET 830 PM CDT  
AUGUST 19 2025........SUNRISE 634 AM CDT SUNSET 828 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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