508  
CDUS43 KLSX 290741  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
228 AM CDT SAT APR 29 2017  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 28 2017
 
 
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)  
YESTERDAY  
MAXIMUM 60 901 PM 92 1970 72 -12 74  
MINIMUM 55 557 AM 32 1874 52 3 56  
AVERAGE 58 62 -4 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.88 4.46 1996 0.13 0.75 0.00  
MONTH TO DATE 5.23 3.43 1.80 3.00  
SINCE MAR 1 9.47 6.75 2.72 5.29  
SINCE JAN 1 11.76 11.39 0.37 6.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.4 -0.4 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  
YESTERDAY 7 5 2 0  
MONTH TO DATE 136 260 -124 193  
SINCE MAR 1 603 848 -245 566  
SINCE JUL 1 3336 4446 -1110 3396  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 67 38 29 49  
SINCE MAR 1 73 45 28 57  
SINCE JAN 1 75 45 30 57    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 72 1200 AM  
AVERAGE 83  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 91 1899  
MINIMUM TEMPERATURE (F) 52 32 1874  
 
 
SUNRISE AND SUNSET  
APRIL 29 2017.........SUNRISE 606 AM CDT SUNSET 752 PM CDT  
APRIL 30 2017.........SUNRISE 605 AM CDT SUNSET 753 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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