900  
CDUS43 KLSX 232227  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
527 PM CDT SUN JUL 23 2017  
 
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JULY 23 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 94 343 PM 108 1934 89 5 96  
MINIMUM 73 440 AM 52 1947 71 2 77  
AVERAGE 84 80 4 87  
 
PRECIPITATION (IN)  
TODAY 0.32 2.05 1973 0.14 0.18 0.00  
MONTH TO DATE 0.61 3.09 -2.48 6.79  
SINCE JUN 1 3.33 7.37 -4.04 8.08  
SINCE JAN 1 26.23 23.74 2.49 21.13  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 5 -5 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 15 4 22  
MONTH TO DATE 479 345 134 373  
SINCE JUN 1 888 679 209 868  
SINCE JAN 1 1140 853 287 1062    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 800 AM  
LOWEST 39 300 PM  
AVERAGE 53  
   
......................................................
 
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 111 1934  
MINIMUM TEMPERATURE (F) 71 57 1876  
 
 
SUNRISE AND SUNSET  
JULY 23 2017..........SUNRISE 555 AM CDT SUNSET 820 PM CDT  
JULY 24 2017..........SUNRISE 556 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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