945  
CDUS44 KBRO 172127  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
427 PM CDT WED SEP 17 2025  
   
...............................
 
 
   
..THE HARLINGEN CLIMATE SUMMARY FOR SEPTEMBER 17 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 1238 PM 100 1959 92 1 91  
MINIMUM 73 432 AM 62 1934 72 1 74  
1979  
2008  
AVERAGE 83 82 1 83  
 
PRECIPITATION (IN)  
TODAY 0.26 4.25 1988 0.19 0.07 0.00  
MONTH TO DATE 1.55 3.20 -1.65 7.97  
SINCE SEP 1 1.55 3.20 -1.65 7.97  
SINCE JAN 1 30.79 16.19 14.60 26.65  
 
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 18 17 1 18  
MONTH TO DATE 340 311 29 299  
SINCE SEP 1 340 311 29 299  
SINCE JAN 1 3538 3401 137 3579    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 57  
AVERAGE 76  
   
......................................................
 
 
THE HARLINGEN CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 100 1912  
2011  
MINIMUM TEMPERATURE (F) 72 60 1981  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 717 AM CDT SUNSET 732 PM CDT  
SEPTEMBER 18 2025.....SUNRISE 718 AM CDT SUNSET 731 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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