330  
CDCA42 TJSJ 210903  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
503 AM AST WED MAY 21 2025  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR MAY 20 2025...  
 
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)  
YESTERDAY  
MAXIMUM 88 1:57 PM 91 1994 87 1 MM  
2020  
MINIMUM 77 5:33 AM 69 1979 76 1 MM  
AVERAGE 83 81 2 MM  
 
PRECIPITATION (IN)  
YESTERDAY MM 2.12 2011 0.12 MM MM  
MONTH TO DATE T 2.57 -2.57 T  
SINCE MAR 1 T 6.41 -6.41 2.01  
SINCE JAN 1 T 9.70 -9.70 7.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 18 16 2 MM  
MONTH TO DATE 334 320 14 MM  
SINCE MAR 1 1238 1172 66 748  
SINCE JAN 1 2029 1930 99 1708    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 70  
AVERAGE 82  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1972  
MINIMUM TEMPERATURE (F) 76 68 1979  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 5:45 AM AST SUNSET 6:47 PM AST  
MAY 22 2025...........SUNRISE 5:45 AM AST SUNSET 6:47 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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