485  
CDUS43 KLSX 092129  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
429 PM CDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR MAY 9 2023
 
 
VALID TODAY AS OF 0400 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 75 259 PM 92 1895 75 0 87  
1934  
MINIMUM 60 741 AM 35 1966 56 4 66  
AVERAGE 68 65 3 77  
 
PRECIPITATION (IN)  
TODAY 0.00 2.09 1949 0.16 -0.16 0.00  
MONTH TO DATE 0.53 1.48 -0.95 2.58  
SINCE MAR 1 8.13 9.71 -1.58 10.77  
SINCE JAN 1 12.49 14.53 -2.04 15.68  
 
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 3 -3 0  
MONTH TO DATE 28 33 -5 45  
SINCE MAR 1 839 871 -32 809  
SINCE JUL 1 3920 4390 -470 3986  
 
COOLING  
TODAY 3 4 -1 12  
MONTH TO DATE 35 25 10 12  
SINCE MAR 1 71 69 2 48  
SINCE JAN 1 71 70 1 48    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 53 100 PM  
AVERAGE 70  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 91 1928  
1963  
MINIMUM TEMPERATURE (F) 56 31 1966  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 555 AM CDT SUNSET 801 PM CDT  
MAY 10 2023...........SUNRISE 554 AM CDT SUNSET 802 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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