326   
CDCA42 TJSJ 021939  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
339 PM AST TUE SEP 02 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 2 2025  
  
VALID TODAY AS OF 0300 PM LOCAL TIME.  
  
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)                                                            
 TODAY                                                                 
  MAXIMUM         91  12:49 PM  95    2023  89      2       90          
  MINIMUM         79   6:32 AM  72    1962  78      1       80          
  AVERAGE         85                        84      1       85       
  
PRECIPITATION (IN)                                                      
  TODAY            T             3.45 1931   0.23  -0.23     0.33       
  MONTH TO DATE    0.01                      0.47  -0.46     0.37       
  SINCE SEP 1      0.01                      0.47  -0.46     0.37       
  SINCE JAN 1     43.63                     36.41   7.22    50.58       
  
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       20          
  MONTH TO DATE   39                        36      3       40          
  SINCE SEP 1     39                        36      3       40          
  SINCE JAN 1   4084                      3847    237     4491           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (90)          
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)          
  AVERAGE WIND SPEED     7.3                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.4                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    85                                                          
 LOWEST     59                                                          
 AVERAGE    72                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        93      1995                        
                                             2023                       
                                             2024                       
 MINIMUM TEMPERATURE (F)   78        71      1962                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER  2 2025.....SUNRISE   6:10 AM AST   SUNSET   6:37 PM AST       
SEPTEMBER  3 2025.....SUNRISE   6:10 AM AST   SUNSET   6:36 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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