419  
CDCA42 TJSJ 180424  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1224 AM AST MON SEP 18 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 17 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 96R 12:15 PM 93 1998 89 7 82  
MINIMUM 80 11:55 PM 65 1975 77 3 77  
AVERAGE 88 83 5 80  
 
PRECIPITATION (IN)  
YESTERDAY T 1.37 2000 0.16 -0.16 0.97  
MONTH TO DATE 0.20 2.75 -2.55 3.74  
SINCE SEP 1 0.20 2.75 -2.55 3.74  
SINCE JAN 1 12.45 21.29 -8.84 19.95  
 
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 23 18 5 15  
MONTH TO DATE 385 306 79 345  
SINCE SEP 1 385 306 79 345  
SINCE JAN 1 4487 4092 395 4397    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 54  
AVERAGE 70  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1972  
MINIMUM TEMPERATURE (F) 77 69 1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 6:08 AM AST SUNSET 6:19 PM AST  
SEPTEMBER 19 2023.....SUNRISE 6:08 AM AST SUNSET 6:18 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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