260  
CDCA42 TJSJ 180426  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1226 AM AST WED SEP 18 2024  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 17 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 91 2:37 PM 95 1995 89 2 91  
MINIMUM 80 6:00 AM 72 1954 78 2 80  
AVERAGE 86 83 3 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 1.68 1911 0.21 0.02 0.01  
MONTH TO DATE 2.45 3.90 -1.45 1.35  
SINCE SEP 1 2.45 3.90 -1.45 1.35  
SINCE JAN 1 52.66 39.84 12.82 31.98  
 
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 21  
MONTH TO DATE 362 306 56 365  
SINCE SEP 1 362 306 56 365  
SINCE JAN 1 4813 4117 696 4452    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 64  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1995  
MINIMUM TEMPERATURE (F) 78 71 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 6:12 AM AST SUNSET 6:23 PM AST  
SEPTEMBER 19 2024.....SUNRISE 6:12 AM AST SUNSET 6:22 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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