393  
CDUS43 KUNR 220037  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
637 PM MDT WED OCT 21 2009  
 
   
...............................  
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR OCTOBER 21 2009  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1888 TO 2009  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 42 256 PM 89 1992 59 -17 55  
MINIMUM 36 812 AM 19 1987 33 3 40  
AVERAGE 39 46 -7 48  
 
PRECIPITATION (IN)  
TODAY T 0.30 1942 0.04 -0.04 0.12  
MONTH TO DATE 1.68 0.98 0.70 1.47  
SINCE SEP 1 3.58 2.08 1.50 2.34  
SINCE JAN 1 17.47 15.23 2.24 19.20  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 -0.1 0.0  
MONTH TO DATE 2.9 0.8 2.1 T  
SINCE SEP 1 2.9 1.0 1.9 T  
SINCE JUL 1 2.9 1.0 1.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 26 19 7 17  
MONTH TO DATE 563 306 257 343  
SINCE SEP 1 690 496 194 542  
SINCE JUL 1 741 533 208 566  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 62 62 0 26  
SINCE JAN 1 354 598 -244 482    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 70 300 PM  
AVERAGE 85  
   
......................................................  
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 82 2003  
MINIMUM TEMPERATURE (F) 32 13 1981  
 
 
SUNRISE AND SUNSET  
OCTOBER 21 2009.......SUNRISE 715 AM MDT SUNSET 558 PM MDT  
OCTOBER 22 2009.......SUNRISE 716 AM MDT SUNSET 557 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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