158  
CDUS43 KUNR 290839  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
238 AM MDT SUN SEP 29 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 28 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 1159 PM 92 1994 69 -20 47  
MINIMUM 44 529 PM 25 1951 41 3 38  
AVERAGE 47 55 -8 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.57R 0.39 1965 0.04 0.53 0.09  
MONTH TO DATE 2.52 1.20 1.32 1.94  
SINCE SEP 1 2.52 1.20 1.32 1.94  
SINCE JAN 1 25.54 13.83 11.71 23.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 10 8 22  
MONTH TO DATE 126 164 -38 145  
SINCE SEP 1 126 164 -38 145  
SINCE JUL 1 153 201 -48 196  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 59 60 -1 48  
SINCE SEP 1 59 60 -1 48  
SINCE JAN 1 399 632 -233 488    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 82 700 PM  
AVERAGE 91  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 2007  
MINIMUM TEMPERATURE (F) 40 21 1984  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2019.....SUNRISE 647 AM MDT SUNSET 637 PM MDT  
SEPTEMBER 30 2019.....SUNRISE 649 AM MDT SUNSET 635 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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