577  
CDCA42 TJSJ 010428  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST THU APR 01 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MARCH 31 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 84 2:23 PM 92 1984 86 -2 84  
MINIMUM 75 12:38 AM 64 1957 74 1 73  
AVERAGE 80 80 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.34 1953 0.07 -0.01 T  
MONTH TO DATE 2.07 1.95 0.12 4.95  
SINCE MAR 1 2.07 1.95 0.12 4.95  
SINCE JAN 1 7.17 8.10 -0.93 22.26  
 
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 15 15 0 14  
MONTH TO DATE 446 431 15 402  
SINCE MAR 1 446 431 15 402  
SINCE JAN 1 1247 1182 65 1291    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 17.3  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 65  
AVERAGE 77  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 1984  
MINIMUM TEMPERATURE (F) 74 67 1965  
 
SUNRISE AND SUNSET  
APRIL 1 2021.........SUNRISE 6:18 AM AST SUNSET 6:38 PM AST  
APRIL 2 2021.........SUNRISE 6:17 AM AST SUNSET 6:38 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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