492  
CDCA42 TJSJ 100809  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
409 AM AST SUN MAY 10 2026  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 9 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 2:21 PM 94 1983 87 0 86  
MINIMUM 76 6:18 AM 70 1989 75 1 74  
AVERAGE 82 81 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.74 1982 0.17 -0.17 0.19  
MONTH TO DATE T 1.61 -1.61 2.50  
SINCE MAR 1 9.65 8.39 1.26 13.17  
SINCE JAN 1 18.02 15.04 2.98 19.96  
 
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 17 16 1 15  
MONTH TO DATE 164 144 20 136  
SINCE MAR 1 1081 1017 64 1069  
SINCE JAN 1 1873 1764 109 1953    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 59  
AVERAGE 71  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 1980  
MINIMUM TEMPERATURE (F) 75 69 1986  
 
SUNRISE AND SUNSET  
MAY 10 2026...........SUNRISE 5:52 AM AST SUNSET 6:49 PM AST  
MAY 11 2026...........SUNRISE 5:52 AM AST SUNSET 6:49 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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