712  
CDUS43 KLSX 230736  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
236 AM CDT WED MAY 23 2018  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 22 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 305 PM 94 1925 78 6 79  
MINIMUM 66 514 AM 37 1883 59 7 54  
AVERAGE 75 68 7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 2000 0.16 -0.16 0.00  
MONTH TO DATE 3.55 3.27 0.28 5.02  
SINCE MAR 1 12.95 10.28 2.67 19.63  
SINCE JAN 1 19.43 14.92 4.51 21.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.6 2.7 -1.1 1.8  
SINCE JUL 1 7.1 17.7 -10.6 3.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 66 -66 54  
SINCE MAR 1 1134 924 210 661  
SINCE JUL 1 4605 4522 83 3394  
 
COOLING  
YESTERDAY 10 5 5 2  
MONTH TO DATE 193 74 119 120  
SINCE MAR 1 206 120 86 193  
SINCE JAN 1 206 120 86 195    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 51 300 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 92 2010  
1950  
MINIMUM TEMPERATURE (F) 59 39 1931  
 
 
SUNRISE AND SUNSET  
MAY 23 2018...........SUNRISE 543 AM CDT SUNSET 814 PM CDT  
MAY 24 2018...........SUNRISE 543 AM CDT SUNSET 815 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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