689
CDCA42 TJSJ 100858
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
458 AM AST WED SEP 10 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 9 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 90 2:24 PM 95 1995 89 1 88
MINIMUM 82 2:37 AM 69 1980 80 2 79
AVERAGE 86 84 2 84
PRECIPITATION (IN)
YESTERDAY T 5.83 1988 0.19 -0.19 0.22
MONTH TO DATE 0.45 1.73 -1.28 2.26
SINCE SEP 1 0.45 1.73 -1.28 2.26
SINCE JAN 1 22.10 23.02 -0.92 13.40
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 21 20 1 19
MONTH TO DATE 84 180 -96 181
SINCE SEP 1 84 180 -96 181
SINCE JAN 1 4334 4231 103 2979
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 70
AVERAGE 78
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2015
MINIMUM TEMPERATURE (F) 80 74 2016
2024
SUNRISE AND SUNSET
SEPTEMBER 10 2025.....SUNRISE 6:07 AM AST SUNSET 6:26 PM AST
SEPTEMBER 11 2025.....SUNRISE 6:07 AM AST SUNSET 6:25 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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