402  
CDUS44 KBRO 290632  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
132 AM CDT TUE SEP 29 2026  
   
...............................  
 
...THE HARLINGEN-VALLEY INTL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 28 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 97 243 PM 102 1953 91 6 90  
2005  
MINIMUM 73 628 AM 52 1942 70 3 65  
AVERAGE 85 80 5 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.80 1932 0.14 -0.14 0.00  
MONTH TO DATE 0.05 5.05 -5.00 3.21  
SINCE SEP 1 0.05 5.05 -5.00 3.21  
SINCE JAN 1 14.45 18.04 -3.59 32.45  
 
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 20 15 5 13  
MONTH TO DATE 656 489 167 535  
SINCE SEP 1 656 489 167 535  
SINCE JAN 1 4070 3579 491 3733    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 43  
AVERAGE 69  
   
......................................................  
 
THE HARLINGEN-VALLEY INTL AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 104 1953  
MINIMUM TEMPERATURE (F) 70 53 1967  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2026.....SUNRISE 722 AM CDT SUNSET 719 PM CDT  
SEPTEMBER 30 2026.....SUNRISE 723 AM CDT SUNSET 718 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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