645  
CDCA42 TJSJ 180447  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1247 AM AST THU MAY 18 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR MAY 17 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 12:37 PM 91 1998 87 2 89  
2020  
MINIMUM 77 12:28 AM 70 1983 75 2 79  
AVERAGE 83 81 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.95 1963 0.12 -0.12 T  
MONTH TO DATE T 2.21 -2.21 0.33  
SINCE MAR 1 1.48 6.05 -4.57 2.08  
SINCE JAN 1 4.15 9.34 -5.19 9.16  
 
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 18 16 2 19  
MONTH TO DATE 297 272 25 289  
SINCE MAR 1 1144 1124 20 1192  
SINCE JAN 1 1945 1882 63 1997    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 63  
AVERAGE 76  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 91 1961  
MINIMUM TEMPERATURE (F) 76 68 1979  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 5:46 AM AST SUNSET 6:46 PM AST  
MAY 19 2023...........SUNRISE 5:46 AM AST SUNSET 6:46 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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