680  
CDCA42 TJSJ 180425  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1225 AM AST FRI AUG 18 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR AUGUST 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 95R 1:24 PM 95 2020 90 5 91  
MINIMUM 80 10:26 PM 63 1978 78 2 78  
AVERAGE 88 84 4 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 2.92 1978 0.11 -0.07 0.70  
MONTH TO DATE 0.53 1.67 -1.14 1.24  
SINCE JUN 1 5.67 6.23 -0.56 6.12  
SINCE JAN 1 10.79 16.98 -6.19 15.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 23 18 5 20  
MONTH TO DATE 384 306 78 355  
SINCE JUN 1 1602 1406 196 1518  
SINCE JAN 1 3806 3520 286 3774    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 58  
AVERAGE 72  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 2020  
MINIMUM TEMPERATURE (F) 78 72 1975  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 6:02 AM AST SUNSET 6:43 PM AST  
AUGUST 19 2023........SUNRISE 6:03 AM AST SUNSET 6:43 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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