039  
CDCA42 TJSJ 310420  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1220 AM AST SUN JAN 31 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 30 2021
 
 
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)  
YESTERDAY  
MAXIMUM 83 12:11 PM 89 1998 83 0 89  
2020  
MINIMUM 71 7:18 AM 63 1965 72 -1 75  
AVERAGE 77 78 -1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.66 1.17 1944 0.09 0.57 0.00  
MONTH TO DATE 1.54 3.67 -2.13 9.08  
SINCE DEC 1 6.22 8.69 -2.47 14.86  
SINCE JAN 1 1.54 3.67 -2.13 9.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 12 12 0 17  
MONTH TO DATE 400 378 22 439  
SINCE DEC 1 841 801 40 958  
SINCE JAN 1 400 378 22 439    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 67  
AVERAGE 84  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 89 1995  
MINIMUM TEMPERATURE (F) 72 61 1962  
 
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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