454  
CDUS43 KLSX 182242  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
542 PM CDT SAT MAY 18 2013  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 18 2013
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2013  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 255 PM 94 1996 77 5 87  
MINIMUM 63 336 AM 39 2002 58 5 56  
AVERAGE 73 67 6 72  
 
PRECIPITATION (IN)  
TODAY 0.00 2.38 1890 0.15 -0.15 0.00  
MONTH TO DATE 2.96 2.65 0.31 1.50  
SINCE MAR 1 13.58 9.66 3.92 12.13  
SINCE JAN 1 19.97 14.30 5.67 16.48  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2012 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 14.3 2.7 11.6 T  
SINCE JUL 1 27.9 17.7 10.2 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 87 58 29 4  
SINCE MAR 1 1155 916 239 389  
SINCE JUL 1 4472 4514 -42 3291  
 
COOLING  
TODAY 8 4 4 7  
MONTH TO DATE 76 54 22 116  
SINCE MAR 1 110 100 10 253  
SINCE JAN 1 110 100 10 253    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 54 300 PM  
AVERAGE 74  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1996  
MINIMUM TEMPERATURE (F) 58 40 1894  
 
 
SUNRISE AND SUNSET  
MAY 18 2013...........SUNRISE 547 AM CDT SUNSET 810 PM CDT  
MAY 19 2013...........SUNRISE 546 AM CDT SUNSET 811 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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