492  
CDUS43 KLSX 220730  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
230 AM CDT SUN APR 22 2018  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 21 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 67 421 PM 89 1965 69 -2 58  
1902  
MINIMUM 40 459 AM 32 1904 49 -9 51  
AVERAGE 54 59 -5 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.75 1984 0.12 -0.12 0.06  
MONTH TO DATE 2.19 2.53 -0.34 2.79  
SINCE MAR 1 9.31 5.85 3.46 7.03  
SINCE JAN 1 15.79 10.49 5.30 9.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1918 0.0 0.0 0.0  
MONTH TO DATE 0.6 0.4 0.2 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 11 7 4 10  
MONTH TO DATE 395 217 178 96  
SINCE MAR 1 1069 805 264 563  
SINCE JUL 1 4540 4403 137 3296  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 13 24 -11 62  
SINCE MAR 1 13 31 -18 68  
SINCE JAN 1 13 31 -18 70    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 600 AM  
LOWEST 26 200 PM  
AVERAGE 44  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 1925  
MINIMUM TEMPERATURE (F) 50 31 1936  
1875  
 
 
SUNRISE AND SUNSET  
APRIL 22 2018.........SUNRISE 615 AM CDT SUNSET 745 PM CDT  
APRIL 23 2018.........SUNRISE 614 AM CDT SUNSET 746 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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