318  
CDUS43 KUNR 210831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
231 AM MDT TUE APR 21 2020  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR APRIL 20 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 66 153 PM 89 1962 60 6 79  
MINIMUM 29 426 AM 2 1966 33 -4 42  
AVERAGE 48 46 2 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1964 0.06 -0.06 T  
MONTH TO DATE 0.88 1.01 -0.13 1.25  
SINCE MAR 1 1.46 1.94 -0.48 1.91  
SINCE JAN 1 2.64 2.68 -0.04 3.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 19 -2 4  
MONTH TO DATE 606 434 172 428  
SINCE MAR 1 1447 1352 95 1547  
SINCE JUL 1 6804 6562 242 7317  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1200 AM  
LOWEST 22 200 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 92 1980  
MINIMUM TEMPERATURE (F) 33 14 1959  
 
 
SUNRISE AND SUNSET  
APRIL 21 2020.........SUNRISE 558 AM MDT SUNSET 744 PM MDT  
APRIL 22 2020.........SUNRISE 557 AM MDT SUNSET 746 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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