AFOS product CLISJU
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CDCA42 TJSJ 310945
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
545 AM AST SUN AUG 31 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 30 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         91   1:27 PM  95    2008  89      2       90        
  MINIMUM         80  11:47 PM  70    1954  78      2       79        
  AVERAGE         86                        84      2       85     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.42          3.52 2010   0.23   0.19     0.56     
  MONTH TO DATE    7.19                      6.06   1.13     8.73     
  SINCE JUN 1     16.77                     16.74   0.03    16.90     
  SINCE JAN 1     41.17                     35.71   5.46    49.78     

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       21                        18      3       20        
  MONTH TO DATE  589                       540     49      633        
  SINCE JUN 1   1702                      1646     56     1919        
  SINCE JAN 1   4026                      3779    247     4431        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NE (40)        
  AVERAGE WIND SPEED     8.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87                                                        
 LOWEST     59                                                        
 AVERAGE    73                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        94      1995                      
 MINIMUM TEMPERATURE (F)   78        71      1902                      


SUNRISE AND SUNSET                                                    
AUGUST 31 2025........SUNRISE   6:09 AM AST   SUNSET   6:39 PM AST     
SEPTEMBER  1 2025.....SUNRISE   6:09 AM AST   SUNSET   6:38 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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