441  
CDCA42 TJSJ 310945  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
545 AM AST SUN AUG 31 2025  
   
...............................  
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR AUGUST 30 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 91 12:30 PM 94 2016 90 1 91  
2023  
MINIMUM 78 11:59 PM 71 1954 77 1 79  
AVERAGE 85 83 2 85  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.91 2010 0.12 MM 0.07  
MONTH TO DATE 0.00 3.11 -3.11 0.07  
SINCE JUN 1 3.23 7.67 -4.44 1.94  
SINCE JAN 1 3.30 18.42 -15.12 9.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 18 2 20  
MONTH TO DATE 557 540 17 613  
SINCE JUN 1 1642 1640 2 1869  
SINCE JAN 1 3866 3754 112 3756    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 61  
AVERAGE 76  
   
......................................................  
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 93 2016  
2023  
MINIMUM TEMPERATURE (F) 77 67 1979  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 6:05 AM AST SUNSET 6:33 PM AST  
SEPTEMBER 1 2025.....SUNRISE 6:05 AM AST SUNSET 6:33 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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