646  
CDCA42 TJSJ 180447  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1247 AM AST THU MAY 18 2023  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 2:00 PM 96 1994 87 1 86  
MINIMUM 82 8:00 PM 68 1972 78 4 78  
AVERAGE 85 82 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.16 2012 0.10 -0.10 T  
MONTH TO DATE 0.26 1.74 -1.48 0.11  
SINCE MAR 1 2.97 5.84 -2.87 5.59  
SINCE JAN 1 5.70 10.38 -4.68 10.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 20 17 3 17  
MONTH TO DATE 310 287 23 267  
SINCE MAR 1 1205 1194 11 1113  
SINCE JAN 1 2009 2012 -3 1891    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 1995  
MINIMUM TEMPERATURE (F) 78 69 1972  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 5:46 AM AST SUNSET 6:47 PM AST  
MAY 19 2023...........SUNRISE 5:45 AM AST SUNSET 6:48 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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