634   
CDCA42 TJSJ 220857  
CLISJU  
  
CLIMATE REPORT   
NATIONAL WEATHER SERVICE SAN JUAN PR  
457 AM AST THU MAY 22 2025  
   
...............................  
  
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 21 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         87   2:55 PM  95    2005  88     -1       95          
                                      2024                             
  MINIMUM         77   6:31 AM  69    2011  76      1       80          
  AVERAGE         82                        82      0       88       
  
PRECIPITATION (IN)                                                      
  YESTERDAY        0.11          2.56 1939   0.18  -0.07      T         
  MONTH TO DATE    5.82                      3.76   2.06     7.72       
  SINCE MAR 1     16.49                     10.54   5.95    19.75       
  SINCE JAN 1     23.28                     17.19   6.09    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       17                        17      0       23          
  MONTH TO DATE  329                       341    -12      405          
  SINCE MAR 1   1262                      1214     48     1411          
  SINCE JAN 1   2146                      1961    185     2304           
...............................................................  
  
WIND (MPH)                                                              
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (80)          
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (70)          
  AVERAGE WIND SPEED     8.2                                          
  
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     70                                                          
 AVERAGE    80                                                          
   
......................................................  
  
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
                         NORMAL    RECORD    YEAR                       
 MAXIMUM TEMPERATURE (F)   88        94      2005                        
 MINIMUM TEMPERATURE (F)   76        69      1957                        
  
SUNRISE AND SUNSET                                                      
MAY 22 2025...........SUNRISE   5:48 AM AST   SUNSET   6:53 PM AST       
MAY 23 2025...........SUNRISE   5:48 AM AST   SUNSET   6:54 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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