806  
CDCA42 TJSJ 182129  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
529 PM AST MON DEC 18 2023  
   
...............................  
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR DECEMBER 18 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 87 2:54 PM 88 1998 85 2 86  
2019  
MINIMUM 78 6:22 AM 64 1996 72 6 74  
AVERAGE 83 79 4 80  
 
PRECIPITATION (IN)  
TODAY MM 0.81 2001 0.10 MM 0.00  
MONTH TO DATE 0.09 2.14 -2.05 0.33  
SINCE DEC 1 0.09 2.14 -2.05 0.33  
SINCE JAN 1 29.16 35.90 -6.74 37.04  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 14 4 15  
MONTH TO DATE 320 253 67 239  
SINCE DEC 1 320 253 67 239  
SINCE JAN 1 6335 5574 761 5957    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 16.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 59  
AVERAGE 66  
   
......................................................  
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 2019  
MINIMUM TEMPERATURE (F) 72 65 2008  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 6:43 AM AST SUNSET 5:48 PM AST  
DECEMBER 19 2023......SUNRISE 6:44 AM AST SUNSET 5:48 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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