515
CDCA42 TJSJ 182120
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
520 PM AST TUE AUG 18 2026
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 92 MM 95 1994 90 2 88
MINIMUM 83 MM 73 1953 80 3 83
AVERAGE 88 85 3 86
PRECIPITATION (IN)
TODAY 0.00 2.73 2013 0.13 -0.13 0.01
MONTH TO DATE 0.80 2.36 -1.56 2.64
SINCE JUN 1 1.59 7.62 -6.03 4.68
SINCE JAN 1 10.82 19.28 -8.46 20.78
DEGREE DAYS
HEATING
TODAY 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
TODAY 23 20 3 21
MONTH TO DATE 357 360 -3 389
SINCE JUN 1 1631 1537 94 1633
SINCE JAN 1 4067 3800 267 4025
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 20
AVERAGE 51
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 1993
MINIMUM TEMPERATURE (F) 80 74 1979
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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