110  
CDCA42 TJSJ 190439  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1239 AM AST THU OCT 19 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 18 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 92 1:41 PM 94 1979 89 3 92  
MINIMUM 79 12:19 AM 70 1957 77 2 78  
AVERAGE 86 83 3 85  
 
PRECIPITATION (IN)  
YESTERDAY T 3.07 1956 0.16 -0.16 T  
MONTH TO DATE 2.76 2.75 0.01 1.99  
SINCE SEP 1 5.81 9.25 -3.44 15.60  
SINCE JAN 1 36.49 45.19 -8.70 56.99  
 
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 21 18 3 20  
MONTH TO DATE 392 324 68 342  
SINCE SEP 1 1026 874 152 907  
SINCE JAN 1 5113 4685 428 4713    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 61  
AVERAGE 78  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1978  
MINIMUM TEMPERATURE (F) 77 70 1959  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 6:19 AM AST SUNSET 5:59 PM AST  
OCTOBER 20 2023.......SUNRISE 6:19 AM AST SUNSET 5:58 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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