307
CDCA42 TJSJ 180906
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
506 AM AST THU DEC 18 2025
...............................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR DECEMBER 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 85 1:29 PM 89 2021 85 0 88
MINIMUM 75 11:59 PM 67 1991 72 3 76
AVERAGE 80 79 1 82
PRECIPITATION (IN)
YESTERDAY MM 0.47 1995 0.10 MM MM
MONTH TO DATE 0.00 2.04 -2.04 T
SINCE DEC 1 0.00 2.04 -2.04 T
SINCE JAN 1 3.30 35.80 -32.50 13.63
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 14 1 17
MONTH TO DATE 263 239 24 285
SINCE DEC 1 263 239 24 285
SINCE JAN 1 5632 5560 72 5795
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 9.8
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 61
AVERAGE 75
......................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 88 1998
2019
2024
MINIMUM TEMPERATURE (F) 72 64 1996
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 6:44 AM AST SUNSET 5:48 PM AST
DECEMBER 19 2025......SUNRISE 6:44 AM AST SUNSET 5:49 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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