715  
CDCA42 TJSJ 230907  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
507 AM AST TUE SEP 23 2025  
   
...............................  
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 22 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 89 1:13 PM 96 2023 89 0 91  
MINIMUM 77 6:41 AM 70 1951 76 1 78  
AVERAGE 83 83 0 85  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.24 1964 0.16 MM 0.00  
MONTH TO DATE 0.00 3.56 -3.56 2.47  
SINCE SEP 1 0.00 3.56 -3.56 2.47  
SINCE JAN 1 3.30 22.10 -18.80 12.31  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 18 0 20  
MONTH TO DATE 406 396 10 442  
SINCE SEP 1 406 396 10 442  
SINCE JAN 1 4291 4182 109 4218    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 70  
AVERAGE 83  
   
......................................................  
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1972  
2023  
MINIMUM TEMPERATURE (F) 76 69 1977  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 6:08 AM AST SUNSET 6:14 PM AST  
SEPTEMBER 24 2025.....SUNRISE 6:08 AM AST SUNSET 6:13 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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