AFOS product CLISJU
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CDCA42 TJSJ 310901
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST THU JUL 31 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 30 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  12:56 PM  94    1990  89      2       91        
  MINIMUM         78   3:15 AM  71    1919  78      0       80        
  AVERAGE         85                        83      2       86     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.10          4.46 2020   0.20  -0.10      T       
  MONTH TO DATE    5.47                      5.83  -0.36     4.35     
  SINCE JUN 1      9.48                     10.49  -1.01     7.76     
  SINCE JAN 1     33.88                     29.46   4.42    40.64     

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       20                        18      2       21        
  MONTH TO DATE  567                       540     27      627        
  SINCE JUN 1   1094                      1083     11     1266        
  SINCE JAN 1   3418                      3216    202     3778        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (30)        
  AVERAGE WIND SPEED     9.7                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.3                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90                                                        
 LOWEST     61                                                        
 AVERAGE    76                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        94      1980                      
 MINIMUM TEMPERATURE (F)   78        71      1927                      


SUNRISE AND SUNSET                                                    
JULY 31 2025..........SUNRISE   6:02 AM AST   SUNSET   6:59 PM AST     
AUGUST  1 2025........SUNRISE   6:02 AM AST   SUNSET   6:59 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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