252  
CDUS43 KUNR 220038  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
638 PM MDT WED MAY 21 2025  
   
...............................  
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR MAY 21 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1942 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 68 1226 PM 92 1954 69 -1 60  
1966  
MINIMUM 35 316 AM 28 2022 44 -9 46  
AVERAGE 52 56 -4 53  
 
PRECIPITATION (IN)  
TODAY 0.03 2.80 1999 0.13 -0.10 T  
MONTH TO DATE 0.68 2.24 -1.56 1.41  
SINCE MAR 1 4.24 5.23 -0.99 6.78  
SINCE JAN 1 5.03 6.04 -1.01 7.61  
 
DEGREE DAYS  
HEATING  
TODAY 13 9 4 12  
MONTH TO DATE 126 274 -148 213  
SINCE MAR 1 1383 1826 -443 1642  
SINCE JUL 1 6290 7084 -794 6280  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 24 0 24 4  
SINCE MAR 1 24 1 23 4  
SINCE JAN 1 24 1 23 4    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 54 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 19.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 300 PM  
LOWEST 34 100 PM  
AVERAGE 40  
   
......................................................  
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 91 2006  
2012  
MINIMUM TEMPERATURE (F) 44 24 2022  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 520 AM MDT SUNSET 819 PM MDT  
MAY 22 2025...........SUNRISE 519 AM MDT SUNSET 820 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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