252  
CDCA42 TJSJ 311930  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
330 PM AST THU JUL 31 2025  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JULY 31 2025...  
VALID TODAY AS OF 0300 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 12:30 PM 92 2017 89 -2 87  
2018  
MINIMUM 76 6:27 AM 71 1975 77 -1 75  
AVERAGE 82 83 -1 81  
 
PRECIPITATION (IN)  
TODAY 0.01 0.92 2008 0.09 -0.08 MM  
MONTH TO DATE 1.83 2.64 -0.81 T  
SINCE JUN 1 3.24 4.56 -1.32 1.87  
SINCE JAN 1 3.31 15.31 -12.00 9.77  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 17 18 -1 16  
MONTH TO DATE 558 566 -8 647  
SINCE JUN 1 1085 1100 -15 1256  
SINCE JAN 1 3309 3214 95 3143    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 65  
AVERAGE 78  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2017  
MINIMUM TEMPERATURE (F) 77 70 1977  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 5:58 AM AST SUNSET 6:53 PM AST  
AUGUST 1 2025........SUNRISE 5:58 AM AST SUNSET 6:53 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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