414   
CDCA42 TJSJ 170853  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
453 AM AST THU JUL 17 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 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   1:26 PM  93    2014  89     -1       92          
  MINIMUM         79   6:36 AM  70    1952  78      1       80          
  AVERAGE         84                        83      1       86       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.16          1.73 2010   0.20  -0.04     0.01       
  MONTH TO DATE    2.29                      2.92  -0.63     2.36       
  SINCE JUN 1      6.30                      7.58  -1.28     5.77       
  SINCE JAN 1     30.70                     26.55   4.15    38.65       
  
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       19                        18      1       21          
  MONTH TO DATE  301                       288     13      335          
  SINCE JUN 1    828                       831     -3      974          
  SINCE JAN 1   3152                      2964    188     3486           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NE (60)          
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     E (80)          
  AVERAGE WIND SPEED    12.5                                          
  
SKY COVER                                                               
  AVERAGE SKY COVER 0.6                                                   
  
WEATHER CONDITIONS                                                      
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                           
  LIGHT RAIN                                                            
  
RELATIVE HUMIDITY (PERCENT)  
 HIGHEST    91                                                          
 LOWEST     70                                                          
 AVERAGE    81                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   89        94      2024                        
 MINIMUM TEMPERATURE (F)   78        72      1956                        
  
SUNRISE AND SUNSET                                                      
JULY 17 2025..........SUNRISE   5:57 AM AST   SUNSET   7:03 PM AST       
JULY 18 2025..........SUNRISE   5:57 AM AST   SUNSET   7:03 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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