897  
CDCA42 TJSJ 190425  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST THU SEP 19 2024  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 18 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 1:22 PM 96 1995 89 2 92  
MINIMUM 81 6:11 AM 71 1960 78 3 80  
AVERAGE 86 83 3 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 8.84 1989 0.22 -0.20 T  
MONTH TO DATE 2.47 4.12 -1.65 1.35  
SINCE SEP 1 2.47 4.12 -1.65 1.35  
SINCE JAN 1 52.68 40.06 12.62 31.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 21 18 3 21  
MONTH TO DATE 383 324 59 386  
SINCE SEP 1 383 324 59 386  
SINCE JAN 1 4834 4135 699 4473    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 68  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2013  
MINIMUM TEMPERATURE (F) 77 71 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2024.....SUNRISE 6:12 AM AST SUNSET 6:22 PM AST  
SEPTEMBER 20 2024.....SUNRISE 6:13 AM AST SUNSET 6:21 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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