465  
CDUS44 KBRO 212126  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
426 PM CDT SUN SEP 21 2025  
   
...............................  
 
   
..THE HARLINGEN CLIMATE SUMMARY FOR SEPTEMBER 21 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 93 101 PM 106 1947 91 2 94  
MINIMUM 74 643 AM 59 1938 72 2 75  
AVERAGE 84 82 2 85  
 
PRECIPITATION (IN)  
TODAY 0.41 4.81 1967 0.17 0.24 T  
MONTH TO DATE 2.93 3.93 -1.00 8.09  
SINCE SEP 1 2.93 3.93 -1.00 8.09  
SINCE JAN 1 32.17 16.92 15.25 26.77  
 
SNOWFALL (IN)  
TODAY 0.0  
MONTH TO DATE 0.0  
SINCE SEP 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 SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 16 3 20  
MONTH TO DATE 409 378 31 379  
SINCE SEP 1 409 378 31 379  
SINCE JAN 1 3607 3468 139 3659    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 57  
AVERAGE 79  
   
......................................................  
 
THE HARLINGEN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 100 1931  
1953  
MINIMUM TEMPERATURE (F) 72 56 1913  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 719 AM CDT SUNSET 728 PM CDT  
SEPTEMBER 22 2025.....SUNRISE 719 AM CDT SUNSET 727 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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