207  
CDCA42 TJSJ 310442  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1242 AM AST MON MAY 31 2021  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 30 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 1:20 PM 95 1995 88 1 87  
MINIMUM 78 5:12 AM 71 1991 79 -1 80  
AVERAGE 84 83 1 84  
 
PRECIPITATION (IN)  
YESTERDAY T 2.15 1979 0.09 -0.09 MM  
MONTH TO DATE 2.44 2.95 -0.51 T  
SINCE MAR 1 5.94 7.05 -1.11 3.52  
SINCE JAN 1 7.82 11.59 -3.77 8.47  
 
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 19 18 1 19  
MONTH TO DATE 527 520 7 555  
SINCE MAR 1 1515 1427 88 1478  
SINCE JAN 1 2407 2245 162 2341    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 50  
AVERAGE 62  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 95 1994  
MINIMUM TEMPERATURE (F) 79 70 1986  
 
SUNRISE AND SUNSET  
MAY 31 2021...........SUNRISE 5:43 AM AST SUNSET 6:52 PM AST  
JUNE 1 2021..........SUNRISE 5:43 AM AST SUNSET 6:53 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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