328 
CDCA42 TJSJ 210903
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST WED MAY 21 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 20 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         91   3:38 PM  92    1999  88      3       92        
                                      2024                           
  MINIMUM         76   5:52 AM  68    1957  76      0       81        
  AVERAGE         84                        82      2       87     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.29          3.54 1987   0.18   0.11     0.01     
  MONTH TO DATE    5.71                      3.58   2.13     7.72     
  SINCE MAR 1     16.38                     10.36   6.02    19.75     
  SINCE JAN 1     23.17                     17.01   6.16    29.09     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         0      0        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE MAR 1      0                         0      0        0        
  SINCE JUL 1      0                         0      0        0        

 COOLING                                                              
  YESTERDAY       19                        17      2       22        
  MONTH TO DATE  312                       324    -12      382        
  SINCE MAR 1   1245                      1197     48     1388        
  SINCE JAN 1   2129                      1944    185     2281        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (40)        
  AVERAGE WIND SPEED     4.0                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97                                                        
 LOWEST     58                                                        
 AVERAGE    78                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88        95      2005                      
                                             2024                     
 MINIMUM TEMPERATURE (F)   76        69      2011                      


SUNRISE AND SUNSET                                                    
MAY 21 2025...........SUNRISE   5:49 AM AST   SUNSET   6:53 PM AST     
MAY 22 2025...........SUNRISE   5:48 AM AST   SUNSET   6:53 PM AST     


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




$$