200
CDCA42 TJSJ 181935
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
335 PM AST THU SEP 18 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 18 2025...
VALID TODAY AS OF 0300 PM LOCAL TIME.
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)
TODAY
MAXIMUM 83 12:46 AM 96 1994 89 -6 91
MINIMUM 77 7:06 AM 71 1972 80 -3 80
AVERAGE 80 84 -4 86
PRECIPITATION (IN)
TODAY 2.45R 2.14 1960 0.18 2.27 0.01
MONTH TO DATE 3.45 3.45 -0.00 5.55
SINCE SEP 1 3.45 3.45 -0.00 5.55
SINCE JAN 1 25.10 24.74 0.36 16.69
DEGREE DAYS
HEATING
TODAY 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
TODAY 15 19 -4 21
MONTH TO DATE 278 353 -75 356
SINCE SEP 1 278 353 -75 356
SINCE JAN 1 4528 4404 124 3154
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 79
AVERAGE 87
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1994
MINIMUM TEMPERATURE (F) 79 72 1974
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:08 AM AST SUNSET 6:19 PM AST
SEPTEMBER 19 2025.....SUNRISE 6:08 AM AST SUNSET 6:18 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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