027  
CDCA42 TJSJ 180505  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
105 AM AST TUE JUL 18 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JULY 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 90 12:36 PM 93 1989 89 1 88  
MINIMUM 78 4:37 AM 73 1998 77 1 81  
AVERAGE 84 83 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 0.94 1958 0.09 0.06 T  
MONTH TO DATE 0.80 1.36 -0.56 2.35  
SINCE JUN 1 4.67 3.28 1.39 3.08  
SINCE JAN 1 9.79 14.03 -4.24 12.26  
 
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 19 18 1 20  
MONTH TO DATE 329 306 23 323  
SINCE JUN 1 937 840 97 894  
SINCE JAN 1 3141 2954 187 3150    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 70  
AVERAGE 82  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1989  
MINIMUM TEMPERATURE (F) 77 70 1960  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 5:53 AM AST SUNSET 6:57 PM AST  
JULY 19 2023..........SUNRISE 5:54 AM AST SUNSET 6:57 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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