363  
CDUS44 KBRO 170726  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
126 AM CST SUN DEC 17 2017  
 
   
...............................
 
 
   
..THE HARLINGEN CLIMATE SUMMARY FOR DECEMBER 16 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1912 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 52 1133 AM 88 1950 71 -19 82  
MINIMUM 49 1159 PM 29 1958 50 -1 62  
AVERAGE 51 60 -9 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.43 2009 0.04 -0.03 0.10  
MONTH TO DATE 0.92 0.82 0.10 1.17  
SINCE DEC 1 0.92 0.82 0.10 1.17  
SINCE JAN 1 19.25 24.74 -5.49 21.43  
 
SNOWFALL (IN)  
YESTERDAY MM  
MONTH TO DATE 1.0  
SINCE DEC 1 1.0  
SINCE JUL 1 1.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 6 8 0  
MONTH TO DATE 139 88 51 55  
SINCE DEC 1 139 88 51 55  
SINCE JUL 1 182 145 37 70  
 
COOLING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 41 37 4 57  
SINCE DEC 1 41 37 4 57  
SINCE JAN 1 4696 3971 725 4695    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 11.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 86  
AVERAGE 93  
   
......................................................
 
 
 
THE HARLINGEN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 1946  
MINIMUM TEMPERATURE (F) 49 27 1932  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2017......SUNRISE 712 AM CST SUNSET 542 PM CST  
DECEMBER 18 2017......SUNRISE 712 AM CST SUNSET 542 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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