578  
CDCA42 TJSJ 140428  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST SAT AUG 14 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 13 2021
 
 
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)  
YESTERDAY  
MAXIMUM 88 MM 93 1981 89 -1 90  
2019  
MINIMUM 79 MM 71 1960 78 1 78  
AVERAGE 84 84 0 84  
 
PRECIPITATION (IN)  
YESTERDAY 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  
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 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 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 63  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1995  
MINIMUM TEMPERATURE (F) 78 71 1960  
 
SUNRISE AND SUNSET  
AUGUST 14 2021........SUNRISE 6:06 AM AST SUNSET 6:51 PM AST  
AUGUST 15 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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