137
CDCA42 TJSJ 182123
CLIISX
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
523 PM AST THU DEC 18 2025
...............................
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR DECEMBER 18 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 1:11 PM 88 1998 85 -1 88
2019
2024
MINIMUM 72 7:10 AM 64 1996 72 0 76
AVERAGE 78 79 -1 82
PRECIPITATION (IN)
TODAY MM 0.81 2001 0.10 MM MM
MONTH TO DATE 0.00 2.14 -2.14 T
SINCE DEC 1 0.00 2.14 -2.14 T
SINCE JAN 1 3.30 35.90 -32.60 13.63
DEGREE DAYS
HEATING
TODAY 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
TODAY 13 14 -1 17
MONTH TO DATE 276 253 23 302
SINCE DEC 1 276 253 23 302
SINCE JAN 1 5645 5574 71 5812
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 72
AVERAGE 82
......................................................
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 89 2019
MINIMUM TEMPERATURE (F) 72 65 2008
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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