343  
CDUS43 KUNR 180036  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
536 PM MST SAT FEB 17 2018  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR FEBRUARY 17 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 31 1040 AM 67 1948 40 -9 65  
MINIMUM 18 230 AM -22 2006 15 3 28  
AVERAGE 25 28 -3 47  
 
PRECIPITATION (IN)  
TODAY 0.00 0.50 1991 0.01 -0.01 0.00  
MONTH TO DATE 0.34 0.21 0.13 0.22  
SINCE DEC 1 0.78 0.93 -0.15 1.34  
SINCE JAN 1 0.51 0.51 0.00 0.57  
 
SNOWFALL (IN)  
TODAY 0.0 5.2 1991 0.2 -0.2 0.0  
MONTH TO DATE 7.0 3.0 4.0 4.8  
SINCE DEC 1 20.0 12.8 7.2 24.6  
SINCE JUL 1 20.0 20.6 -0.6 27.4  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 40 37 3 18  
MONTH TO DATE 877 657 220 616  
SINCE DEC 1 3395 3138 257 3522  
SINCE JUL 1 4946 4813 133 4745  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 700 AM  
LOWEST 63 500 AM  
AVERAGE 72  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 71 2016  
MINIMUM TEMPERATURE (F) 16 -23 2006  
 
 
SUNRISE AND SUNSET  
FEBRUARY 17 2018......SUNRISE 648 AM MST SUNSET 525 PM MST  
FEBRUARY 18 2018......SUNRISE 647 AM MST SUNSET 526 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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