761  
CDUS43 KLSX 282231  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
530 PM CDT SUN MAY 28 2017  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 28 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 337 PM 94 2012 80 2 86  
MINIMUM 64 539 AM 42 1971 61 3 68  
AVERAGE 73 70 3 77  
 
PRECIPITATION (IN)  
TODAY T 1.95 1989 0.16 -0.16 0.00  
MONTH TO DATE 5.61 4.22 1.39 4.67  
SINCE MAR 1 20.22 11.23 8.99 11.45  
SINCE JAN 1 22.51 15.87 6.64 13.05  
 
SNOWFALL (IN)  
TODAY 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 1.8 2.7 -0.9 0.3  
SINCE JUL 1 3.2 17.7 -14.5 10.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 57 72 -15 83  
SINCE MAR 1 664 930 -266 654  
SINCE JUL 1 3397 4528 -1131 3484  
 
COOLING  
TODAY 8 6 2 12  
MONTH TO DATE 151 108 43 95  
SINCE MAR 1 224 154 70 155  
SINCE JAN 1 226 154 72 155    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 AM  
LOWEST 45 400 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 94 1926  
MINIMUM TEMPERATURE (F) 61 41 1984  
 
 
SUNRISE AND SUNSET  
MAY 28 2017...........SUNRISE 540 AM CDT SUNSET 818 PM CDT  
MAY 29 2017...........SUNRISE 540 AM CDT SUNSET 819 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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