250
CDCA42 TJSJ 170851
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST WED SEP 17 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 16 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 94 12:32 PM 95 1992 89 5 89
MINIMUM 82 1:42 AM 66 1972 80 2 80
AVERAGE 88 84 4 85
PRECIPITATION (IN)
YESTERDAY 0.20 4.93 2004 0.19 0.01 0.00
MONTH TO DATE 0.91 3.07 -2.16 5.44
SINCE SEP 1 0.91 3.07 -2.16 5.44
SINCE JAN 1 22.56 24.36 -1.80 16.58
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 23 19 4 20
MONTH TO DATE 241 315 -74 314
SINCE SEP 1 241 315 -74 314
SINCE JAN 1 4491 4366 125 3112
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 9.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 58
AVERAGE 73
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1991
MINIMUM TEMPERATURE (F) 80 64 1972
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 6:08 AM AST SUNSET 6:20 PM AST
SEPTEMBER 18 2025.....SUNRISE 6:08 AM AST SUNSET 6:19 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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