AFOS product CLISJU
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CDCA42 TJSJ 300931
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
531 AM AST SAT AUG 30 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 29 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         89   2:24 PM  94    2016  89      0       91        
  MINIMUM         80  11:44 PM  69    1916  78      2       80        
  AVERAGE         85                        84      1       86     

PRECIPITATION (IN)                                                    
  YESTERDAY        T             2.88 2009   0.23  -0.23     0.45     
  MONTH TO DATE    6.77                      5.83   0.94     8.17     
  SINCE JUN 1     16.35                     16.51  -0.16    16.34     
  SINCE JAN 1     40.75                     35.48   5.27    49.22     

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       20                        18      2       21        
  MONTH TO DATE  568                       522     46      613        
  SINCE JUN 1   1681                      1628     53     1899        
  SINCE JAN 1   4005                      3761    244     4411        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (50)        
  AVERAGE WIND SPEED     6.8                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85                                                        
 LOWEST     70                                                        
 AVERAGE    78                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        95      2008                      
 MINIMUM TEMPERATURE (F)   78        70      1954                      


SUNRISE AND SUNSET                                                    
AUGUST 30 2025........SUNRISE   6:09 AM AST   SUNSET   6:40 PM AST     
AUGUST 31 2025........SUNRISE   6:09 AM AST   SUNSET   6:39 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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