200   
CDCA42 TJSJ 010940  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
540 AM AST MON SEP 01 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 31 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   1:06 PM  94    1995  89      1       91          
  MINIMUM         78   3:26 PM  71    1902  78      0       79          
  AVERAGE         84                        84      0       85       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        2.45          2.63 1979   0.23   2.22     0.43       
  MONTH TO DATE    9.64                      6.29   3.35     9.16       
  SINCE JUN 1     19.22                     16.97   2.25    17.33       
  SINCE JAN 1     43.62                     35.94   7.68    50.21       
  
DEGREE DAYS                                                             
 HEATING                                                                
  YESTERDAY        0                         0      0        0          
  MONTH TO DATE    0                         0      0        0          
  SINCE JUN 1      0                         0      0        0          
  SINCE JUL 1      0                         0      0        0          
  
 COOLING                                                                
  YESTERDAY       19                        18      1       20          
  MONTH TO DATE  608                       572     36      653          
  SINCE JUN 1   1721                      1678     43     1939          
  SINCE JAN 1   4045                      3811    234     4451           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (60)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (70)          
  AVERAGE WIND SPEED     6.1                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.4                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  HEAVY RAIN                                                            
  RAIN                                                                  
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    90                                                          
 LOWEST     63                                                          
 AVERAGE    77                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        97      1981                        
 MINIMUM TEMPERATURE (F)   78        70      1942                        
  
SUNRISE AND SUNSET                                                      
SEPTEMBER  1 2025.....SUNRISE   6:09 AM AST   SUNSET   6:38 PM AST       
SEPTEMBER  2 2025.....SUNRISE   6:10 AM AST   SUNSET   6:37 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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