456  
CDCA42 TJSJ 180448  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1248 AM AST WED OCT 18 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 17 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 12:50 PM 95 1980 89 3 88  
MINIMUM 79 5:46 AM 69 1908 77 2 78  
AVERAGE 86 83 3 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.53 1958 0.16 -0.15 T  
MONTH TO DATE 2.76 2.59 0.17 1.99  
SINCE SEP 1 5.81 9.09 -3.28 15.60  
SINCE JAN 1 36.49 45.03 -8.54 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 18  
MONTH TO DATE 371 306 65 322  
SINCE SEP 1 1005 856 149 887  
SINCE JAN 1 5092 4667 425 4693    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 60  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1979  
MINIMUM TEMPERATURE (F) 77 70 1957  
 
SUNRISE AND SUNSET  
OCTOBER 18 2023.......SUNRISE 6:19 AM AST SUNSET 6:00 PM AST  
OCTOBER 19 2023.......SUNRISE 6:19 AM AST SUNSET 5:59 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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