120  
CDCA42 TJSJ 132220  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
620 PM AST FRI AUG 13 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 13 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 MM 93 1981 89 -1 90  
2019  
MINIMUM 79 MM 71 1960 78 1 78  
AVERAGE 84 84 0 84  
 
PRECIPITATION (IN)  
TODAY T 1.79 1960 0.20 -0.20 0.01  
MONTH TO DATE 1.54 2.44 -0.90 0.77  
SINCE JUN 1 17.34 13.12 4.22 15.09  
SINCE JAN 1 30.80 32.09 -1.29 43.31  
 
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 19 18 1 19  
MONTH TO DATE 241 234 7 261  
SINCE JUN 1 1339 1340 -1 1462  
SINCE JAN 1 3588 3473 115 3852    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 63  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1995  
MINIMUM TEMPERATURE (F) 78 71 1960  
 
SUNRISE AND SUNSET  
AUGUST 13 2021........SUNRISE 6:05 AM AST SUNSET 6:52 PM AST  
AUGUST 14 2021........SUNRISE 6:06 AM AST SUNSET 6:51 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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