673  
CDCA42 TJSJ 182146  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
546 PM AST THU MAR 18 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MARCH 18 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 2:36 PM 94 1983 85 -1 83  
MINIMUM 72 6:16 AM 63 1956 73 -1 75  
AVERAGE 78 79 -1 79  
 
PRECIPITATION (IN)  
TODAY T 2.74 1966 0.07 -0.07 0.01  
MONTH TO DATE 0.75 1.07 -0.32 3.49  
SINCE MAR 1 0.75 1.07 -0.32 3.49  
SINCE JAN 1 5.85 7.22 -1.37 20.80  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 13 14 -1 14  
MONTH TO DATE 256 246 10 230  
SINCE MAR 1 256 246 10 230  
SINCE JAN 1 1057 997 60 1119    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71  
LOWEST 51  
AVERAGE 61  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 96 1983  
MINIMUM TEMPERATURE (F) 73 63 1956  
 
SUNRISE AND SUNSET  
MARCH 18 2021.........SUNRISE 6:30 AM AST SUNSET 6:35 PM AST  
MARCH 19 2021.........SUNRISE 6:29 AM AST SUNSET 6:35 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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