599
CDCA42 TJSJ 172001
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
401 PM AST THU SEP 17 2026
...............................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90 1:48 PM 96 2023 89 1 89
MINIMUM 78 4:41 AM 65 1975 77 1 76
AVERAGE 84 83 1 83
PRECIPITATION (IN)
TODAY MM 1.37 2000 0.16 MM MM
MONTH TO DATE T 2.75 -2.75 0.00
SINCE SEP 1 T 2.75 -2.75 0.00
SINCE JAN 1 4.43 21.29 -16.86 3.30
DEGREE DAYS
HEATING
TODAY 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
TODAY 19 18 1 18
MONTH TO DATE 145 306 -161 325
SINCE SEP 1 145 306 -161 325
SINCE JAN 1 3872 4092 -220 4210
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 12.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93
LOWEST 70
AVERAGE 82
......................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1972
MINIMUM TEMPERATURE (F) 77 69 1979
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 6:07 AM AST SUNSET 6:20 PM AST
SEPTEMBER 18 2026.....SUNRISE 6:08 AM AST SUNSET 6:19 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page