932
CDCA42 TJSJ 190856
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST FRI DEC 19 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 18 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 91 1994 85 MM 86
MINIMUM MM MM 65 1982 75 MM 74
AVERAGE MM 80 MM 80
PRECIPITATION (IN)
YESTERDAY MM 0.74 1981 0.09 MM 0.24
MONTH TO DATE 1.00 1.86 -0.86 1.25
SINCE DEC 1 1.00 1.86 -0.86 1.25
SINCE JAN 1 29.66 40.38 -10.72 36.32
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 15 MM 15
MONTH TO DATE 270 278 -8 291
SINCE DEC 1 270 278 -8 291
SINCE JAN 1 5647 5976 -329 4779
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 70
AVERAGE 80
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 90 1994
MINIMUM TEMPERATURE (F) 75 65 1982
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 6:46 AM AST SUNSET 5:48 PM AST
DECEMBER 20 2025......SUNRISE 6:47 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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