136
CDCA42 TJSJ 220856
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST MON DEC 22 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 21 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 89 12:37 PM 91 1994 85 4 85
MINIMUM 79 9:54 PM 64 1954 75 4 79
AVERAGE 84 80 4 82
PRECIPITATION (IN)
YESTERDAY 0.04 0.69 1978 0.08 -0.04 0.00
MONTH TO DATE 1.04 2.11 -1.07 1.74
SINCE DEC 1 1.04 2.11 -1.07 1.74
SINCE JAN 1 29.70 40.63 -10.93 36.81
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 19 15 4 17
MONTH TO DATE 325 323 2 339
SINCE DEC 1 325 323 2 339
SINCE JAN 1 5702 6021 -319 4827
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 61
AVERAGE 75
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 91 1994
MINIMUM TEMPERATURE (F) 75 65 1972
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 6:48 AM AST SUNSET 5:50 PM AST
DECEMBER 23 2025......SUNRISE 6:48 AM AST SUNSET 5:50 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page