003   
CDCA42 TJSJ 050816  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
416 AM AST FRI SEP 05 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 4 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   1:59 PM  95    2023  89      1       91          
  MINIMUM         79   7:05 AM  70    1959  78      1       82          
  AVERAGE         85                        83      2       87       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.00          1.79 1954   0.24  -0.24     0.00       
  MONTH TO DATE    0.08                      0.95  -0.87     0.37       
  SINCE SEP 1      0.08                      0.95  -0.87     0.37       
  SINCE JAN 1     43.70                     36.89   6.81    50.58       
  
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       20                        18      2       22          
  MONTH TO DATE   80                        72      8       85          
  SINCE SEP 1     80                        72      8       85          
  SINCE JAN 1   4125                      3883    242     4536           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (70)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (60)          
  AVERAGE WIND SPEED     8.7                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.3                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    88                                                          
 LOWEST     61                                                          
 AVERAGE    75                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        96      1981                        
 MINIMUM TEMPERATURE (F)   78        71      1956                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER  5 2025.....SUNRISE   6:10 AM AST   SUNSET   6:35 PM AST       
SEPTEMBER  6 2025.....SUNRISE   6:10 AM AST   SUNSET   6:34 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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