183
CDCA42 TJSJ 130905
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SAT DEC 13 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 12 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 87 2:58 PM 92 1994 85 2 85
MINIMUM 78 6:52 AM 68 1983 75 3 77
AVERAGE 83 80 3 81
PRECIPITATION (IN)
YESTERDAY T 0.52 1977 0.11 -0.11 0.03
MONTH TO DATE 0.89 1.31 -0.42 0.43
SINCE DEC 1 0.89 1.31 -0.42 0.43
SINCE JAN 1 29.55 39.83 -10.28 35.50
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 18 15 3 16
MONTH TO DATE 202 188 14 197
SINCE DEC 1 202 188 14 197
SINCE JAN 1 5579 5886 -307 4685
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 67
AVERAGE 81
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 92 1994
MINIMUM TEMPERATURE (F) 75 68 1964
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 6:43 AM AST SUNSET 5:46 PM AST
DECEMBER 14 2025......SUNRISE 6:43 AM AST SUNSET 5:46 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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