234 
CDCA42 TJSJ 170856
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST SUN AUG 17 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 16 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         88   1:02 PM  93    1992  89     -1       93        
                                      2024                           
  MINIMUM         77   9:55 PM  73    2005  78     -1       82        
  AVERAGE         83                        84     -1       88     

PRECIPITATION (IN)                                                    
  YESTERDAY        1.31          2.70 1926   0.20   1.11      T       
  MONTH TO DATE    4.59                      3.04   1.55     5.27     
  SINCE JUN 1     14.17                     13.72   0.45    13.44     
  SINCE JAN 1     38.57                     32.69   5.88    46.32     

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       18                        18      0       23        
  MONTH TO DATE  309                       288     21      339        
  SINCE JUN 1   1422                      1394     28     1625        
  SINCE JAN 1   3746                      3527    219     4137        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION     W (290)       
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED    12.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.8                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94                                                        
 LOWEST     75                                                        
 AVERAGE    85                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        93      1984                      
 MINIMUM TEMPERATURE (F)   78        71      1903                      


SUNRISE AND SUNSET                                                    
AUGUST 17 2025........SUNRISE   6:06 AM AST   SUNSET   6:49 PM AST     
AUGUST 18 2025........SUNRISE   6:07 AM AST   SUNSET   6:49 PM AST     


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




$$