107  
CDUS43 KUNR 180844  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
244 AM MDT MON SEP 18 2023  
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1942 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 337 PM 101 2000 76 10 75  
MINIMUM 44 1214 AM 26 1991 46 -2 50  
AVERAGE 65 61 4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.48 1946 0.04 -0.04 T  
MONTH TO DATE 0.58 0.67 -0.09 0.25  
SINCE SEP 1 0.58 0.67 -0.09 0.25  
SINCE JAN 1 16.03 14.66 1.37 14.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 2  
MONTH TO DATE 45 68 -23 37  
SINCE SEP 1 45 68 -23 37  
SINCE JUL 1 87 106 -19 37  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 65 50 15 86  
SINCE SEP 1 65 50 15 86  
SINCE JAN 1 540 592 -52 790    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 22 400 PM  
AVERAGE 49  
   
......................................................
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 97 1998  
MINIMUM TEMPERATURE (F) 46 24 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 635 AM MDT SUNSET 657 PM MDT  
SEPTEMBER 19 2023.....SUNRISE 636 AM MDT SUNSET 656 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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