219  
CDUS44 KTSA 182120  
CLIFSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE TULSA OK  
417 PM CDT TUE SEP 18 2018  
 
   
...............................
 
 
   
..THE FORT SMITH ARKANSAS CLIMATE SUMMARY FOR SEPTEMBER 18 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1882 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 97 258 PM 98 2005 84 13 93  
MINIMUM 72 638 AM 40 1981 61 11 71  
AVERAGE 85 73 12 82  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1991 0.14 -0.14 T  
MONTH TO DATE 0.03 2.35 -2.32 T  
SINCE SEP 1 0.03 2.35 -2.32 T  
SINCE JAN 1 34.57 31.71 2.86 42.11  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 1 -1 0  
SINCE SEP 1 0 1 -1 0  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 20 8 12 17  
MONTH TO DATE 269 204 65 174  
SINCE SEP 1 269 204 65 174  
SINCE JAN 1 2309 1899 410 1938    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 42 200 PM  
AVERAGE 68  
   
......................................................
 
 
 
THE FORT SMITH ARKANSAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 100 1954  
MINIMUM TEMPERATURE (F) 61 40 1981  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2018.....SUNRISE 702 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 19 2018.....SUNRISE 703 AM CDT SUNSET 719 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 

   
.......................................................
 
 
THE ARKANSAS RIVER AT VAN BUREN  
 
OBSERVED 24 HOUR 24 HOUR  
VALUE CHANGE FORECAST  
 
STAGE (FEET)  
THIS AFTERNOON 19.2 +0.2  
 
MEAN FLOW (CFS)  
TODAY 2730    
.......................................................
 
 
ALL DATA MEASURED AT THE FORT SMITH REGIONAL AIRPORT  
 
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