796  
CDCA42 TJSJ 312127  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
527 PM AST SUN JAN 31 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 31 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 3:45 PM 89 1995 83 -3 86  
MINIMUM 73 7:30 AM 61 1962 72 1 74  
AVERAGE 77 78 -1 80  
 
PRECIPITATION (IN)  
TODAY 0.46 0.98 1982 0.09 0.37 T  
MONTH TO DATE 2.00 3.76 -1.76 9.08  
SINCE DEC 1 6.68 8.78 -2.10 14.86  
SINCE JAN 1 2.00 3.76 -1.76 9.08  
 
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 12 13 -1 15  
MONTH TO DATE 412 391 21 454  
SINCE DEC 1 853 814 39 973  
SINCE JAN 1 412 391 21 454    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 17.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 74  
AVERAGE 84  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 1993  
MINIMUM TEMPERATURE (F) 72 65 1965  
 
SUNRISE AND SUNSET  
JANUARY 31 2021.......SUNRISE 6:57 AM AST SUNSET 6:18 PM AST  
FEBRUARY 1 2021......SUNRISE 6:57 AM AST SUNSET 6:18 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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