331  
CDCA42 TJSJ 210550  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
150 AM AST SAT APR 21 2018  
 
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 204 PM 94 2007 86 -1 86  
MINIMUM 75 635 AM 67 1968 75 0 75  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 3.87 1983 0.17 -0.11 0.01  
MONTH TO DATE 1.68 2.78 -1.10 4.44  
SINCE MAR 1 5.13 4.73 0.40 10.48  
SINCE JAN 1 15.49 10.88 4.61 14.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 16 -1 16  
MONTH TO DATE 306 301 5 290  
SINCE MAR 1 738 732 6 705  
SINCE JAN 1 1516 1483 33 1553    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 69  
AVERAGE 79  
   
......................................................
 
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 93 1983  
MINIMUM TEMPERATURE (F) 75 67 1955  
 
 
SUNRISE AND SUNSET  
APRIL 21 2018.........SUNRISE 603 AM AST SUNSET 643 PM AST  
APRIL 22 2018.........SUNRISE 602 AM AST SUNSET 643 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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