215  
CDCA42 TJSJ 172130  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
530 PM AST SAT APR 17 2021  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR APRIL 17 2021...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1951 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 88 11:55 AM 90 1958 86 2 88  
MINIMUM 79 6:33 AM 68 1982 74 5 74  
AVERAGE 84 80 4 81  
 
PRECIPITATION (IN)  
TODAY 0.00 2.00 2003 0.07 -0.07 0.00  
MONTH TO DATE 0.56 1.06 -0.50 0.39  
SINCE MAR 1 1.11 2.62 -1.51 4.15  
SINCE JAN 1 3.85 6.41 -2.56 7.90  
 
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 19 15 4 16  
MONTH TO DATE 250 248 2 258  
SINCE MAR 1 692 668 24 684  
SINCE JAN 1 1536 1445 91 1525    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 65  
AVERAGE 78  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 90 1958  
MINIMUM TEMPERATURE (F) 74 67 1954  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:01 AM AST SUNSET 6:36 PM AST  
APRIL 18 2021.........SUNRISE 6:01 AM AST SUNSET 6:36 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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