876  
CDCA42 TJSJ 182152  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
552 PM AST MON SEP 18 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 92 12:29 PM 96 1995 89 3 83  
MINIMUM 80 6:03 AM 71 1960 78 2 75  
AVERAGE 86 83 3 79  
 
PRECIPITATION (IN)  
TODAY T 8.84 1989 0.22 -0.22 4.10  
MONTH TO DATE 1.35 4.12 -2.77 10.92  
SINCE SEP 1 1.35 4.12 -2.77 10.92  
SINCE JAN 1 32.03 40.06 -8.03 52.31  
 
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 21 18 3 14  
MONTH TO DATE 386 324 62 339  
SINCE SEP 1 386 324 62 339  
SINCE JAN 1 4473 4135 338 4145    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 60  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2013  
MINIMUM TEMPERATURE (F) 77 71 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 6:12 AM AST SUNSET 6:24 PM AST  
SEPTEMBER 19 2023.....SUNRISE 6:12 AM AST SUNSET 6:23 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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