502  
CDCA42 TJSJ 212128  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
528 PM AST THU SEP 21 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 21 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 89 11:39 AM 95 2019 89 0 94  
MINIMUM 80 6:50 AM 71 1960 77 3 78  
AVERAGE 85 83 2 86  
 
PRECIPITATION (IN)  
TODAY 0.54 4.04 1998 0.21 0.33 0.00  
MONTH TO DATE 1.91 4.75 -2.84 12.58  
SINCE SEP 1 1.91 4.75 -2.84 12.58  
SINCE JAN 1 32.59 40.69 -8.10 53.97  
 
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 20 18 2 21  
MONTH TO DATE 447 378 69 394  
SINCE SEP 1 447 378 69 394  
SINCE JAN 1 4534 4189 345 4200    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 70  
AVERAGE 79  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 2021  
MINIMUM TEMPERATURE (F) 77 71 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 6:13 AM AST SUNSET 6:21 PM AST  
SEPTEMBER 22 2023.....SUNRISE 6:13 AM AST SUNSET 6:20 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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