229  
CDCA42 TJSJ 122131  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
531 PM AST THU SEP 12 2024  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 12 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 3:03 PM 95 1972 89 1 95  
2023  
MINIMUM 79 6:02 AM 70 1975 77 2 85  
AVERAGE 85 83 2 90  
 
PRECIPITATION (IN)  
TODAY 0.05 1.01 2004 0.15 -0.10 0.00  
MONTH TO DATE 2.15 1.95 0.20 0.17  
SINCE SEP 1 2.15 1.95 0.20 0.17  
SINCE JAN 1 11.99 20.49 -8.50 12.42  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 20 18 2 25  
MONTH TO DATE 238 216 22 271  
SINCE SEP 1 238 216 22 271  
SINCE JAN 1 4014 4002 12 4373    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 75  
AVERAGE 86  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2023  
MINIMUM TEMPERATURE (F) 77 70 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 6:07 AM AST SUNSET 6:23 PM AST  
SEPTEMBER 13 2024.....SUNRISE 6:07 AM AST SUNSET 6:23 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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