559
CDCA42 TJSJ 180853
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
453 AM AST TUE AUG 18 2026
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 94 1:45 PM 95 1995 90 4 85
MINIMUM 84 6:26 AM 74 2015 80 4 76
AVERAGE 89 85 4 81
PRECIPITATION (IN)
YESTERDAY 0.00 4.24 2022 0.14 -0.14 2.22
MONTH TO DATE 0.80 2.23 -1.43 2.63
SINCE JUN 1 1.59 7.49 -5.90 4.67
SINCE JAN 1 10.82 19.15 -8.33 20.77
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 24 20 4 16
MONTH TO DATE 334 340 -6 368
SINCE JUN 1 1608 1517 91 1612
SINCE JAN 1 4044 3780 264 4004
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75
LOWEST 49
AVERAGE 62
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1994
MINIMUM TEMPERATURE (F) 80 73 1953
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:03 AM AST SUNSET 6:45 PM AST
AUGUST 19 2026........SUNRISE 6:03 AM AST SUNSET 6:44 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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