324  
CDUS44 KBRO 180737  
CLIHRL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BROWNSVILLE, TX  
137 AM CST FRI DEC 18 2020  
   
...............................
 
 
   
..THE HARLINGEN CLIMATE SUMMARY FOR DECEMBER 17 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1912 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 217 PM 88 1946 71 -1 61  
MINIMUM 37 729 AM 27 1932 49 -12 40  
AVERAGE 54 60 -6 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.50 1994 0.04 -0.04 0.00  
MONTH TO DATE 0.51 0.86 -0.35 0.03  
SINCE DEC 1 0.51 0.86 -0.35 0.03  
SINCE JAN 1 27.01 24.78 2.23 23.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
MONTH TO DATE 0.0  
SINCE DEC 1 0.0  
SINCE JUL 1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 6 5 14  
MONTH TO DATE 105 94 11 47  
SINCE DEC 1 105 94 11 47  
SINCE JUL 1 127 151 -24 153  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 28 39 -11 51  
SINCE DEC 1 28 39 -11 51  
SINCE JAN 1 4503 3973 530 4404    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92  
LOWEST 39  
AVERAGE 66  
   
......................................................
 
 
THE HARLINGEN CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1948  
2012  
MINIMUM TEMPERATURE (F) 49 29 1989  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 713 AM CST SUNSET 543 PM CST  
DECEMBER 19 2020......SUNRISE 713 AM CST SUNSET 543 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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