353  
CDCA42 TJSJ 180434  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1234 AM AST MON OCT 18 2021  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR OCTOBER 17 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 2:38 PM 94 1972 89 -1 88  
MINIMUM 78 11:59 PM 69 1981 76 2 75  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY T 1.04 2020 0.16 -0.16 1.04  
MONTH TO DATE 2.92 2.54 0.38 2.45  
SINCE SEP 1 4.45 7.43 -2.98 6.69  
SINCE JAN 1 17.77 25.97 -8.20 24.14  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 17 1 17  
MONTH TO DATE 318 289 29 322  
SINCE SEP 1 895 823 72 903  
SINCE JAN 1 4899 4609 290 5062    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 77  
AVERAGE 89  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 1980  
MINIMUM TEMPERATURE (F) 76 69 1980  
 
SUNRISE AND SUNSET  
OCTOBER 18 2021.......SUNRISE 6:13 AM AST SUNSET 5:55 PM AST  
OCTOBER 19 2021.......SUNRISE 6:14 AM AST SUNSET 5:54 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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