274 
CDCA42 TJSJ 110457
CLISJU

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN JUAN PR
1257 AM AST MON SEP 11 2023

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 10 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2023


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         89   2:11 PM  94    1998  89      0       89        
                                      2017                           
  MINIMUM         80   6:35 AM  71    1961  78      2       78        
  AVERAGE         85                        83      2       84     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.06          8.20 1996   0.23  -0.17     1.55     
  MONTH TO DATE    1.24                      2.35  -1.11     4.72     
  SINCE SEP 1      1.24                      2.35  -1.11     4.72     
  SINCE JAN 1     31.92                     38.29  -6.37    46.11     

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

 COOLING                                                              
  YESTERDAY       20                        18      2       19        
  MONTH TO DATE  210                       180     30      194        
  SINCE SEP 1    210                       180     30      194        
  SINCE JAN 1   4297                      3991    306     4000        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (330)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     N (10)        
  AVERAGE WIND SPEED     5.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.5                                                 


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94                                                        
 LOWEST     70                                                        
 AVERAGE    82                                                        

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   89        94      1994                      
 MINIMUM TEMPERATURE (F)   78        71      1909                      


SUNRISE AND SUNSET                                                    
SEPTEMBER 11 2023.....SUNRISE   6:11 AM AST   SUNSET   6:30 PM AST     
SEPTEMBER 12 2023.....SUNRISE   6:11 AM AST   SUNSET   6:29 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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