CDCA42 TJSJ 180841
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
441 AM AST MON MAY 18 2026

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         90   1:07 PM  94    1903  87      3       81        
  MINIMUM         78   5:27 AM  69    1960  76      2       74        
  AVERAGE         84                        82      2       78     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          2.92 2010   0.17  -0.17     0.02     
  MONTH TO DATE    1.30                      3.04  -1.74     4.49     
  SINCE MAR 1     10.95                      9.82   1.13    15.16     
  SINCE JAN 1     19.32                     16.47   2.85    21.95     

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       13        
  MONTH TO DATE  309                       273     36      262        
  SINCE MAR 1   1226                      1146     80     1195        
  SINCE JAN 1   2018                      1893    125     2079        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     E (80)        
  AVERAGE WIND SPEED    12.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.4                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85                                                        
 LOWEST     56                                                        
 AVERAGE    71                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   87        94      1903                      
                                             2021                     
 MINIMUM TEMPERATURE (F)   76        67      1957                      


SUNRISE AND SUNSET                                                    
MAY 18 2026...........SUNRISE   5:49 AM AST   SUNSET   6:52 PM AST     
MAY 19 2026...........SUNRISE   5:49 AM AST   SUNSET   6:52 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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