538  
CDCA42 TJSJ 182028  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
428 PM AST SUN MAY 18 2025  
   
...............................  
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR MAY 18 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 MM 91 1961 87 0 MM  
MINIMUM 77 2:00 AM 68 1979 76 1 MM  
AVERAGE 82 81 1 MM  
 
PRECIPITATION (IN)  
TODAY MM 1.60 2010 0.12 MM MM  
MONTH TO DATE 0.00 2.33 -2.33 T  
SINCE MAR 1 0.00 6.17 -6.17 2.01  
SINCE JAN 1 0.00 9.46 -9.46 7.42  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 MM  
MONTH TO DATE 0 0 0 MM  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 17 16 1 MM  
MONTH TO DATE 298 288 10 MM  
SINCE MAR 1 1202 1140 62 748  
SINCE JAN 1 1993 1898 95 1708    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 70  
AVERAGE 82  
   
......................................................  
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 90 1999  
MINIMUM TEMPERATURE (F) 76 66 1979  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 5:46 AM AST SUNSET 6:46 PM AST  
MAY 19 2025...........SUNRISE 5:45 AM AST SUNSET 6:46 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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