877  
CDCA42 TJSJ 190428  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST MON AUG 19 2024  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 18 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 95R 4:02 PM 94 1991 89 6 89  
MINIMUM 80 6:50 AM 72 1956 78 2 76  
AVERAGE 88 84 4 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.80 1967 0.21 -0.21 0.43  
MONTH TO DATE 7.02 3.45 3.57 3.62  
SINCE JUN 1 15.19 14.13 1.06 9.93  
SINCE JAN 1 48.07 33.10 14.97 29.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 23 18 5 18  
MONTH TO DATE 381 324 57 368  
SINCE JUN 1 1667 1430 237 1608  
SINCE JAN 1 4179 3563 616 3820    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 49  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1991  
2020  
MINIMUM TEMPERATURE (F) 78 73 1956  
 
SUNRISE AND SUNSET  
AUGUST 19 2024........SUNRISE 6:07 AM AST SUNSET 6:48 PM AST  
AUGUST 20 2024........SUNRISE 6:07 AM AST SUNSET 6:47 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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