888  
CDUS43 KUNR 090834  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
133 AM MST MON DEC 9 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 8 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 47 1014 AM 62 1984 38 9 37  
MINIMUM 14 1057 PM -23 1972 14 0 7  
AVERAGE 31 26 5 22  
 
PRECIPITATION (IN)  
YESTERDAY T 0.18 2007 0.01 -0.01 0.00  
MONTH TO DATE T 0.10 -0.10 0.52  
SINCE DEC 1 T 0.10 -0.10 0.52  
SINCE JAN 1 27.64 15.97 11.67 25.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 39 -5 43  
MONTH TO DATE 254 307 -53 354  
SINCE DEC 1 254 307 -53 354  
SINCE JUL 1 2225 1982 243 2196  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 399 636 -237 488    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 51 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 14.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
BLOWING SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 PM  
LOWEST 55 1000 AM  
AVERAGE 74  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 70 1957  
MINIMUM TEMPERATURE (F) 14 -19 1972  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2019......SUNRISE 715 AM MST SUNSET 414 PM MST  
DECEMBER 10 2019......SUNRISE 716 AM MST SUNSET 414 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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