167  
CDCA42 TJSJ 120518  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
118 AM AST TUE SEP 12 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 11 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94R 12:52 PM 94 1972 89 5 91  
MINIMUM 80 3:07 AM 67 1975 77 3 78  
AVERAGE 87 83 4 85  
 
PRECIPITATION (IN)  
YESTERDAY T 8.00 1996 0.16 -0.16 1.56  
MONTH TO DATE 0.17 1.80 -1.63 1.79  
SINCE SEP 1 0.17 1.80 -1.63 1.79  
SINCE JAN 1 12.42 20.34 -7.92 18.00  
 
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 22 18 4 20  
MONTH TO DATE 246 198 48 229  
SINCE SEP 1 246 198 48 229  
SINCE JAN 1 4348 3984 364 4281    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 60  
AVERAGE 74  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1972  
MINIMUM TEMPERATURE (F) 77 70 1975  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 6:07 AM AST SUNSET 6:24 PM AST  
SEPTEMBER 13 2023.....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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