639
CDCA42 TJSJ 121943
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
343 PM AST FRI SEP 12 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 12 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 91 1:55 PM 95 1992 89 2 88
MINIMUM 82 4:50 AM 73 1984 80 2 80
2021
AVERAGE 87 84 3 84
PRECIPITATION (IN)
TODAY T 0.86 1985 0.19 -0.19 0.02
MONTH TO DATE 0.48 2.31 -1.83 4.98
SINCE SEP 1 0.48 2.31 -1.83 4.98
SINCE JAN 1 22.13 23.60 -1.47 16.12
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 22 19 3 19
MONTH TO DATE 149 239 -90 233
SINCE SEP 1 149 239 -90 233
SINCE JAN 1 4399 4290 109 3031
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 64
AVERAGE 73
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1993
MINIMUM TEMPERATURE (F) 80 72 1981
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:07 AM AST SUNSET 6:24 PM AST
SEPTEMBER 13 2025.....SUNRISE 6:07 AM AST SUNSET 6:24 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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