278  
CDUS43 KUNR 210839  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
238 AM MDT SAT SEP 21 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 20 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 79 337 PM 93 1960 73 6 62  
MINIMUM 57 1159 PM 29 1983 44 13 46  
AVERAGE 68 59 9 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.83 1955 0.04 0.02 0.36  
MONTH TO DATE 1.87 0.85 1.02 1.63  
SINCE SEP 1 1.87 0.85 1.02 1.63  
SINCE JAN 1 24.89 13.48 11.41 22.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 11  
MONTH TO DATE 44 91 -47 36  
SINCE SEP 1 44 91 -47 36  
SINCE JUL 1 71 128 -57 87  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 59 53 6 48  
SINCE SEP 1 59 53 6 48  
SINCE JAN 1 399 625 -226 488    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 900 PM  
LOWEST 47 100 AM  
AVERAGE 67  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 92 2013  
MINIMUM TEMPERATURE (F) 44 23 1995  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2019.....SUNRISE 638 AM MDT SUNSET 652 PM MDT  
SEPTEMBER 22 2019.....SUNRISE 639 AM MDT SUNSET 650 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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