AFOS product CLISJU
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CDCA42 TJSJ 160903
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST TUE SEP 16 2025

...................................

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 15 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         90   4:37 PM  96    2024  89      1       96        
  MINIMUM         78   6:33 AM  69    1960  78      0       82        
  AVERAGE         84                        83      1       89     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.05          3.82 2004   0.22  -0.17     0.02     
  MONTH TO DATE    2.59                      3.47  -0.88     2.22     
  SINCE SEP 1      2.59                      3.47  -0.88     2.22     
  SINCE JAN 1     46.21                     39.41   6.80    52.43     

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       19                        18      1       24        
  MONTH TO DATE  290                       270     20      319        
  SINCE SEP 1    290                       270     20      319        
  SINCE JAN 1   4335                      4081    254     4770        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     E (80)        
  AVERAGE WIND SPEED     8.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  THUNDERSTORM                                                        
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94                                                        
 LOWEST     66                                                        
 AVERAGE    80                                                        

..........................................................


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        93      1900                      
 MINIMUM TEMPERATURE (F)   78        69      1929                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 16 2025.....SUNRISE   6:12 AM AST   SUNSET   6:25 PM AST     
SEPTEMBER 17 2025.....SUNRISE   6:12 AM AST   SUNSET   6:24 PM AST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$