319  
CDUS44 KEWX 180704  
CLISAT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO  
204 AM CDT MON AUG 18 2025  
   
...............................
 
 
   
..THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 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 101 4:49 PM 106 2023 96 5 101  
MINIMUM 79 6:27 AM 66 1885 75 4 79  
AVERAGE 90 86 4 90  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.39 1967 0.06 -0.06 0.00  
MONTH TO DATE 0.06 0.88 -0.82 0.03  
SINCE JUN 1 8.72 6.57 2.15 6.98  
SINCE JAN 1 20.31 19.40 0.91 19.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE JUN 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 25 21 4 25  
MONTH TO DATE 398 357 41 415  
SINCE JUN 1 1590 1497 93 1703  
SINCE JAN 1 2627 2122 505 2605    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 3:00 AM  
LOWEST 28 4:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE SAN ANTONIO CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 96 105 1909  
MINIMUM TEMPERATURE (F) 75 64 1992  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 7:04 AM CDT SUNSET 8:11 PM CDT  
AUGUST 19 2025........SUNRISE 7:04 AM CDT SUNSET 8:10 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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