870  
CDCA42 TJSJ 260431  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1231 AM AST MON JUL 26 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 25 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 89 12:26 PM 93 1980 89 0 91  
MINIMUM 77 2:28 PM 72 1956 78 -1 81  
AVERAGE 83 83 0 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.83 1.18 1941 0.21 0.62 0.03  
MONTH TO DATE 4.53 4.83 -0.30 3.94  
SINCE JUN 1 15.02 9.49 5.53 7.84  
SINCE JAN 1 28.48 28.46 0.02 36.06  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 18 0 21  
MONTH TO DATE 470 450 20 494  
SINCE JUN 1 988 993 -5 1088  
SINCE JAN 1 3237 3126 111 3478    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 68  
AVERAGE 83  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1984  
MINIMUM TEMPERATURE (F) 78 71 1957  
 
SUNRISE AND SUNSET  
JULY 26 2021..........SUNRISE 6:00 AM AST SUNSET 7:01 PM AST  
JULY 27 2021..........SUNRISE 6:00 AM AST SUNSET 7:01 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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