137  
CDCA42 TJSJ 220420  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1220 AM AST SUN SEP 22 2024  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 21 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 92 10:40 AM 95 2019 89 3 89  
MINIMUM 81 6:13 AM 71 1960 77 4 80  
AVERAGE 87 83 4 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.04 1998 0.21 -0.21 0.54  
MONTH TO DATE 3.04 4.75 -1.71 1.91  
SINCE SEP 1 3.04 4.75 -1.71 1.91  
SINCE JAN 1 53.25 40.69 12.56 32.54  
 
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 22 18 4 20  
MONTH TO DATE 445 378 67 447  
SINCE SEP 1 445 378 67 447  
SINCE JAN 1 4896 4189 707 4534    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 63  
AVERAGE 76  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 2021  
MINIMUM TEMPERATURE (F) 77 71 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2024.....SUNRISE 6:13 AM AST SUNSET 6:20 PM AST  
SEPTEMBER 23 2024.....SUNRISE 6:13 AM AST SUNSET 6:19 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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