847  
CDCA42 TJSJ 042141  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
541 PM AST MON DEC 04 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 4 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 2:10 PM 91 1989 85 4 84  
MINIMUM 75 5:26 AM 67 1913 74 1 75  
AVERAGE 82 79 3 80  
 
PRECIPITATION (IN)  
TODAY 0.02 2.28 1947 0.18 -0.16 0.18  
MONTH TO DATE 0.09 0.76 -0.67 0.34  
SINCE DEC 1 0.09 0.76 -0.67 0.34  
SINCE JAN 1 48.60 55.78 -7.18 68.38  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 14 3 15  
MONTH TO DATE 68 56 12 62  
SINCE DEC 1 68 56 12 62  
SINCE JAN 1 5967 5429 538 5526    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 57  
AVERAGE 71  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 2019  
MINIMUM TEMPERATURE (F) 74 67 1962  
 
SUNRISE AND SUNSET  
DECEMBER 4 2023......SUNRISE 6:42 AM AST SUNSET 5:47 PM AST  
DECEMBER 5 2023......SUNRISE 6:42 AM AST SUNSET 5:47 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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