368   
CDCA42 TJSJ 212121  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
521 PM AST MON JUL 21 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 21 2025  
  
VALID TODAY AS OF 0500 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  12:47 PM  93    1981  89      0       90          
  MINIMUM         77   6:10 AM  71    1957  78     -1       82          
  AVERAGE         83                        83      0       86       
  
PRECIPITATION (IN)                                                      
  TODAY            0.17          2.31 2009   0.21  -0.04     0.02       
  MONTH TO DATE    3.77                      3.98  -0.21     2.87       
  SINCE JUN 1      7.78                      8.64  -0.86     6.28       
  SINCE JAN 1     32.18                     27.61   4.57    39.16       
  
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           18                        18      0       21          
  MONTH TO DATE  393                       378     15      441          
  SINCE JUN 1    920                       921     -1     1080          
  SINCE JAN 1   3244                      3054    190     3592           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (80)          
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NE (60)          
  AVERAGE WIND SPEED    10.2                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.4                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                    
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    88                                                          
 LOWEST     59                                                          
 AVERAGE    74                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        94      2023                        
 MINIMUM TEMPERATURE (F)   78        70      1936                        
  
SUNRISE AND SUNSET                                                      
JULY 21 2025..........SUNRISE   5:58 AM AST   SUNSET   7:03 PM AST       
JULY 22 2025..........SUNRISE   5:59 AM AST   SUNSET   7:02 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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