988
CDCA42 TJSJ 200905
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SAT DEC 20 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 19 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 2:20 PM 90 1994 85 4 85
MINIMUM 77 4:35 AM 65 1982 75 2 74
AVERAGE 83 80 3 80
PRECIPITATION (IN)
YESTERDAY T 0.49 2024 0.09 -0.09 0.49
MONTH TO DATE 1.00 1.95 -0.95 1.74
SINCE DEC 1 1.00 1.95 -0.95 1.74
SINCE JAN 1 29.66 40.47 -10.81 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 18 15 3 15
MONTH TO DATE 288 293 -5 306
SINCE DEC 1 288 293 -5 306
SINCE JAN 1 5665 5991 -326 4794
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 61
AVERAGE 76
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 91 1994
MINIMUM TEMPERATURE (F) 75 66 1954
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 6:47 AM AST SUNSET 5:49 PM AST
DECEMBER 21 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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