539  
CDUS44 KEWX 180744  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
244 AM CDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR MAY 17 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1886 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 99 3:56 PM 100 2022 87 12 90  
MINIMUM 79 7:22 AM 49 1945 67 12 63  
AVERAGE 89 77 12 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1985 0.16 -0.16 T  
MONTH TO DATE 0.19 2.37 -2.18 0.47  
SINCE MAR 1 4.09 7.10 -3.01 4.42  
SINCE JAN 1 5.80 10.80 -5.00 12.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 T  
SINCE JUL 1 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 53 174 -121 75  
SINCE JUL 1 1082 1436 -354 1193  
 
COOLING  
YESTERDAY 24 12 12 12  
MONTH TO DATE 229 167 62 228  
SINCE MAR 1 722 404 318 568  
SINCE JAN 1 782 433 349 609    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 36 4:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE SAN ANTONIO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 101 2022  
MINIMUM TEMPERATURE (F) 67 52 1945  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 6:39 AM CDT SUNSET 8:22 PM CDT  
MAY 19 2025...........SUNRISE 6:39 AM CDT SUNSET 8:22 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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