933  
CDCA42 TJSJ 180550  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
150 AM AST THU MAR 18 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MARCH 17 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 83 2:24 PM 93 1983 85 -2 83  
MINIMUM 74 11:59 PM 62 1957 73 1 73  
AVERAGE 79 79 0 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 2.56 1914 0.05 0.05 0.16  
MONTH TO DATE 0.75 1.00 -0.25 3.48  
SINCE MAR 1 0.75 1.00 -0.25 3.48  
SINCE JAN 1 5.85 7.15 -1.30 20.79  
 
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 14 14 0 13  
MONTH TO DATE 243 232 11 216  
SINCE MAR 1 243 232 11 216  
SINCE JAN 1 1044 983 61 1105    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 58  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 94 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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