AFOS product CLISJU
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CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
509 AM AST SAT AUG 23 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 22 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   1:47 PM  93    2007  89      0       91        
  MINIMUM         81   6:40 AM  70    1916  78      3       82        
  AVERAGE         85                        84      1       87     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          5.76 2011   0.21  -0.21      T       
  MONTH TO DATE    5.45                      4.27   1.18     7.41     
  SINCE JUN 1     15.03                     14.95   0.08    15.58     
  SINCE JAN 1     39.43                     33.92   5.51    48.46     

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       22        
  MONTH TO DATE  429                       396     33      467        
  SINCE JUN 1   1542                      1502     40     1753        
  SINCE JAN 1   3866                      3635    231     4265        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (50)        
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     9.9                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88                                                        
 LOWEST     65                                                        
 AVERAGE    77                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        96      1974                      
 MINIMUM TEMPERATURE (F)   78        71      2000                      


SUNRISE AND SUNSET                                                    
AUGUST 23 2025........SUNRISE   6:08 AM AST   SUNSET   6:45 PM AST     
AUGUST 24 2025........SUNRISE   6:08 AM AST   SUNSET   6:44 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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