948  
CDUS44 KBRO 180627  
CLIBRO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
127 AM CDT FRI SEP 18 2026  
   
...............................  
 
...THE BROWNSVILLE-SPI INTL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 99R 1238 PM 98 1980 92 7 91  
2016  
MINIMUM 81 721 AM 64 1951 75 6 76  
AVERAGE 90 83 7 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.72 1984 0.21 -0.21 0.02  
MONTH TO DATE 0.03 3.31 -3.28 1.12  
SINCE SEP 1 0.03 3.31 -3.28 1.12  
SINCE JAN 1 8.92 17.56 -8.64 26.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 25 18 7 19  
MONTH TO DATE 435 330 105 357  
SINCE SEP 1 435 330 105 357  
SINCE JAN 1 4234 3598 636 3896    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 46 1200 PM  
AVERAGE 67  
   
......................................................  
 
THE BROWNSVILLE-SPI INTL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 98 2016  
MINIMUM TEMPERATURE (F) 74 59 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2026.....SUNRISE 717 AM CDT SUNSET 730 PM CDT  
SEPTEMBER 19 2026.....SUNRISE 717 AM CDT SUNSET 729 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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