612  
CDUS43 KLSX 192320  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
620 PM CDT FRI MAY 19 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 19 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 83 1150 AM 94 1996 78 5 81  
MINIMUM 66 359 PM 40 1894 59 7 63  
AVERAGE 75 68 7 72  
 
PRECIPITATION (IN)  
TODAY T 2.14 1915 0.15 -0.15 0.20  
MONTH TO DATE 1.61 3.04 -1.43 3.48  
SINCE MAR 1 9.21 11.27 -2.06 11.67  
SINCE JAN 1 13.57 16.09 -2.52 16.58  
 
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 T 2.5 -2.5 0.9  
SINCE JUL 1 5.4 16.6 -11.2 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 28 57 -29 45  
SINCE MAR 1 839 895 -56 809  
SINCE JUL 1 3920 4414 -494 3986  
 
COOLING  
TODAY 10 5 5 7  
MONTH TO DATE 114 70 44 130  
SINCE MAR 1 150 114 36 166  
SINCE JAN 1 150 115 35 166    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 400 PM  
LOWEST 44 1200 PM  
AVERAGE 61  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 1902  
MINIMUM TEMPERATURE (F) 59 41 1894  
1981  
 
SUNRISE AND SUNSET  
MAY 19 2023...........SUNRISE 546 AM CDT SUNSET 810 PM CDT  
MAY 20 2023...........SUNRISE 545 AM CDT SUNSET 811 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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