979  
CDUS44 KBRO 172126  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
426 PM CDT SUN MAY 17 2026  
   
...............................
 
 
...THE HARLINGEN-VALLEY INTL AIRPORT CLIMATE SUMMARY FOR MAY 17 2026...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 94 1154 AM 99 1946 92 2 95  
MINIMUM 79 302 AM 53 1970 71 8 80  
AVERAGE 87 81 6 88  
 
PRECIPITATION (IN)  
TODAY 0.00 1.08 2023 0.08 -0.08 0.00  
MONTH TO DATE 0.77 1.18 -0.41 1.41  
SINCE MAR 1 3.87 3.95 -0.08 17.67  
SINCE JAN 1 3.96 5.73 -1.77 18.86  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE MAR 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 16 47 -31 16  
SINCE JUL 1 371 571 -200 511  
 
COOLING  
TODAY 22 16 6 23  
MONTH TO DATE 234 255 -21 274  
SINCE MAR 1 924 788 136 859  
SINCE JAN 1 1167 948 219 1053    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 19.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 54  
AVERAGE 72  
   
......................................................
 
 
THE HARLINGEN-VALLEY INTL AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 100 1930  
MINIMUM TEMPERATURE (F) 72 50 1945  
 
SUNRISE AND SUNSET  
MAY 17 2026...........SUNRISE 643 AM CDT SUNSET 811 PM CDT  
MAY 18 2026...........SUNRISE 643 AM CDT SUNSET 812 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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