559   
CDCA42 TJSJ 271931  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
331 PM AST SUN JUL 27 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 27 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         87  10:30 AM  93    1965  89     -2       91          
  MINIMUM         78   4:45 AM  70    1899  78      0       82          
  AVERAGE         83                        83      0       87       
  
PRECIPITATION (IN)                                                      
  TODAY            0.45          2.19 1899   0.21   0.24     0.01       
  MONTH TO DATE    5.06                      5.24  -0.18     3.61       
  SINCE JUN 1      9.07                      9.90  -0.83     7.02       
  SINCE JAN 1     33.47                     28.87   4.60    39.90       
  
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       22          
  MONTH TO DATE  508                       486     22      567          
  SINCE JUN 1   1035                      1029      6     1206          
  SINCE JAN 1   3359                      3162    197     3718           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (70)          
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (100)         
  AVERAGE WIND SPEED     9.2                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.6                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED TODAY.                               
  THUNDERSTORM                                                          
  RAIN                                                                  
  LIGHT RAIN                                                            
  FOG                                                                   
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    94                                                          
 LOWEST     75                                                          
 AVERAGE    85                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        92      1981                        
 MINIMUM TEMPERATURE (F)   78        70      1899                        
  
SUNRISE AND SUNSET                                                      
JULY 27 2025..........SUNRISE   6:00 AM AST   SUNSET   7:01 PM AST       
JULY 28 2025..........SUNRISE   6:01 AM AST   SUNSET   7:00 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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