165   
CDCA42 TJSJ 131921  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
321 PM AST WED AUG 13 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 13 2025  
  
VALID TODAY AS OF 0300 PM LOCAL TIME.  
  
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)                                                            
 TODAY                                                                 
  MAXIMUM         89   1:59 PM  93    1981  89      0       90          
                                      2019                             
  MINIMUM         81   6:39 AM  71    1960  78      3       81          
  AVERAGE         85                        84      1       86       
  
PRECIPITATION (IN)                                                      
  TODAY            T             1.79 1960   0.20  -0.20     0.51       
  MONTH TO DATE    2.51                      2.44   0.07     2.71       
  SINCE JUN 1     12.09                     13.12  -1.03    10.88       
  SINCE JAN 1     36.49                     32.09   4.40    43.76       
  
DEGREE DAYS                                                             
 HEATING                                                                
  TODAY            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                                                                
  TODAY           20                        18      2       21          
  MONTH TO DATE  253                       234     19      276          
  SINCE JUN 1   1366                      1340     26     1562          
  SINCE JAN 1   3690                      3473    217     4074           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NE (40)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (30)          
  AVERAGE WIND SPEED     8.1                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.5                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    88                                                          
 LOWEST     68                                                          
 AVERAGE    78                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        94      1995                        
 MINIMUM TEMPERATURE (F)   78        71      1960                        
  
SUNRISE AND SUNSET                                                      
AUGUST 13 2025........SUNRISE   6:05 AM AST   SUNSET   6:52 PM AST       
AUGUST 14 2025........SUNRISE   6:06 AM AST   SUNSET   6:51 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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