010  
CDCA42 TJSJ 170502  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
102 AM AST WED MAR 17 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MARCH 16 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 2:55 PM 93 1983 85 -1 81  
MINIMUM 76 7:28 AM 66 1995 73 3 74  
AVERAGE 80 79 1 78  
 
PRECIPITATION (IN)  
YESTERDAY T 2.13 1987 0.06 -0.06 0.07  
MONTH TO DATE 0.65 0.95 -0.30 3.32  
SINCE MAR 1 0.65 0.95 -0.30 3.32  
SINCE JAN 1 5.75 7.10 -1.35 20.63  
 
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 14 1 13  
MONTH TO DATE 229 218 11 203  
SINCE MAR 1 229 218 11 203  
SINCE JAN 1 1030 969 61 1092    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69  
LOWEST 51  
AVERAGE 60  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1983  
MINIMUM TEMPERATURE (F) 73 62 1957  
 
SUNRISE AND SUNSET  
MARCH 17 2021.........SUNRISE 6:30 AM AST SUNSET 6:34 PM AST  
MARCH 18 2021.........SUNRISE 6:30 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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