399
CDCA42 TJSJ 110856
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST THU DEC 11 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 10 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 84 3:50 PM 91 1992 86 -2 86
MINIMUM 78 6:54 AM 64 1982 75 3 76
AVERAGE 81 80 1 81
PRECIPITATION (IN)
YESTERDAY 0.36 2.38 1972 0.10 0.26 0.04
MONTH TO DATE 0.78 1.10 -0.32 0.39
SINCE DEC 1 0.78 1.10 -0.32 0.39
SINCE JAN 1 29.44 39.62 -10.18 35.46
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 16 15 1 16
MONTH TO DATE 166 158 8 165
SINCE DEC 1 166 158 8 165
SINCE JAN 1 5543 5856 -313 4653
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 10.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 74
AVERAGE 86
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 92 1995
MINIMUM TEMPERATURE (F) 75 65 1982
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 6:42 AM AST SUNSET 5:45 PM AST
DECEMBER 12 2025......SUNRISE 6:42 AM AST SUNSET 5:45 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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