285  
CDCA42 TJSJ 042127  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
527 PM AST WED AUG 04 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 4 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 12:35 PM 93 2005 89 -1 91  
MINIMUM 77 6:20 AM 71 1909 78 -1 82  
AVERAGE 83 83 0 87  
 
PRECIPITATION (IN)  
TODAY 0.05 2.71 1945 0.17 -0.12 0.01  
MONTH TO DATE 0.61 0.70 -0.09 0.03  
SINCE JUN 1 16.41 11.38 5.03 14.35  
SINCE JAN 1 29.87 30.35 -0.48 42.57  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 18 0 22  
MONTH TO DATE 72 72 0 83  
SINCE JUN 1 1170 1178 -8 1284  
SINCE JAN 1 3419 3311 108 3674    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 72  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2010  
MINIMUM TEMPERATURE (F) 78 71 1959  
 
SUNRISE AND SUNSET  
AUGUST 4 2021........SUNRISE 6:03 AM AST SUNSET 6:57 PM AST  
AUGUST 5 2021........SUNRISE 6:03 AM AST SUNSET 6:57 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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