AFOS product CLISJU
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CDCA42 TJSJ 210851
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST THU AUG 21 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 20 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         92   2:28 PM  96    1980  89      3       91        
  MINIMUM         80   5:37 AM  69    1904  78      2       82        
  AVERAGE         86                        84      2       87     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          3.10 1901   0.20  -0.20     0.02     
  MONTH TO DATE    5.45                      3.86   1.59     7.05     
  SINCE JUN 1     15.03                     14.54   0.49    15.22     
  SINCE JAN 1     39.43                     33.51   5.92    48.10     

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       22        
  MONTH TO DATE  389                       360     29      424        
  SINCE JUN 1   1502                      1466     36     1710        
  SINCE JAN 1   3826                      3599    227     4222        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (60)        
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     E (90)        
  AVERAGE WIND SPEED     8.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82                                                        
 LOWEST     65                                                        
 AVERAGE    74                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        97      1980                      
 MINIMUM TEMPERATURE (F)   78        72      1956                      


SUNRISE AND SUNSET                                                    
AUGUST 21 2025........SUNRISE   6:07 AM AST   SUNSET   6:46 PM AST     
AUGUST 22 2025........SUNRISE   6:08 AM AST   SUNSET   6:46 PM AST     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$