780  
CDCA42 TJSJ 120427  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1227 AM AST WED MAY 12 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 11 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 87 2:01 PM 96 1980 87 0 89  
MINIMUM 77 6:51 AM 69 1986 75 2 77  
AVERAGE 82 81 1 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 3.28 2000 0.18 -0.16 0.01  
MONTH TO DATE 0.55 1.97 -1.42 0.12  
SINCE MAR 1 4.80 8.75 -3.95 9.34  
SINCE JAN 1 9.90 15.40 -5.50 26.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 16 1 18  
MONTH TO DATE 178 176 2 208  
SINCE MAR 1 1090 1049 41 1109  
SINCE JAN 1 1891 1796 95 1998    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 67  
AVERAGE 79  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1998  
MINIMUM TEMPERATURE (F) 76 70 2000  
 
SUNRISE AND SUNSET  
MAY 12 2021...........SUNRISE 5:51 AM AST SUNSET 6:49 PM AST  
MAY 13 2021...........SUNRISE 5:51 AM AST SUNSET 6:50 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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