900
CDCA42 TJSJ 180923
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
523 AM AST THU SEP 18 2025
...............................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 2:46 PM 96 2023 89 0 92
MINIMUM 76 5:24 AM 65 1975 77 -1 79
AVERAGE 83 83 0 86
PRECIPITATION (IN)
YESTERDAY MM 1.37 2000 0.16 MM 0.00
MONTH TO DATE 0.00 2.75 -2.75 2.37
SINCE SEP 1 0.00 2.75 -2.75 2.37
SINCE JAN 1 3.30 21.29 -17.99 12.21
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 18 0 21
MONTH TO DATE 325 306 19 343
SINCE SEP 1 325 306 19 343
SINCE JAN 1 4210 4092 118 4119
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 63
AVERAGE 79
......................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1972
MINIMUM TEMPERATURE (F) 77 69 1979
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:08 AM AST SUNSET 6:18 PM AST
SEPTEMBER 19 2025.....SUNRISE 6:08 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page