901  
CDUS43 KUNR 200845  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
241 AM MDT SUN MAY 20 2018  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR MAY 19 2018
 
 
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)  
YESTERDAY  
MAXIMUM 52 605 PM 94 2009 69 -17 47  
MINIMUM 40 1159 PM 31 1968 43 -3 37  
1966  
AVERAGE 46 56 -10 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.05 2011 0.11 -0.09 0.21  
MONTH TO DATE 1.79 1.91 -0.12 1.04  
SINCE MAR 1 4.84 4.64 0.20 3.34  
SINCE JAN 1 5.80 5.38 0.42 4.15  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 1.0 -1.0 0.0  
SINCE MAR 1 30.3 17.6 12.7 5.2  
SINCE JUL 1 60.1 41.0 19.1 35.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 10 9 23  
MONTH TO DATE 176 232 -56 185  
SINCE MAR 1 1957 1751 206 1550  
SINCE JUL 1 7477 6961 516 6606  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 0 5 12  
SINCE MAR 1 6 2 4 12  
SINCE JAN 1 6 2 4 12    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 56 1200 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 1964  
MINIMUM TEMPERATURE (F) 44 25 2003  
 
 
SUNRISE AND SUNSET  
MAY 20 2018...........SUNRISE 521 AM MDT SUNSET 817 PM MDT  
MAY 21 2018...........SUNRISE 520 AM MDT SUNSET 818 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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