CDCA42 TJSJ 181941
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
341 PM AST MON MAY 18 2026

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 18 2026...
VALID TODAY AS OF 0300 PM LOCAL TIME.

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)                                                          
 TODAY                                                               
  MAXIMUM         87   1:59 PM  94    1903  87      0       85        
                                      2021                           
  MINIMUM         77   5:35 AM  67    1957  76      1       74        
  AVERAGE         82                        82      0       80     

PRECIPITATION (IN)                                                    
  TODAY            0.03          3.14 1904   0.18  -0.15     0.03     
  MONTH TO DATE    1.33                      3.22  -1.89     4.52     
  SINCE MAR 1     10.98                     10.00   0.98    15.19     
  SINCE JAN 1     19.35                     16.65   2.70    21.98     

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            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                                                              
  TODAY           17                        17      0       15        
  MONTH TO DATE  326                       290     36      277        
  SINCE MAR 1   1243                      1163     80     1210        
  SINCE JAN 1   2035                      1910    125     2094        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED    12.5                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82                                                        
 LOWEST     57                                                        
 AVERAGE    70                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   88        95      2021                      
 MINIMUM TEMPERATURE (F)   76        69      1940                      


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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