640
CDCA42 TJSJ 280903
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
503 AM AST THU MAY 28 2026
...............................
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 27 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 90 3:12 PM 96 1995 88 2 90
MINIMUM 77 2:02 AM 70 1956 78 -1 79
AVERAGE 84 83 1 85
PRECIPITATION (IN)
YESTERDAY 0.06 2.36 1980 0.08 -0.02 0.01
MONTH TO DATE 0.50 2.69 -2.19 5.03
SINCE MAR 1 5.30 6.79 -1.49 13.87
SINCE JAN 1 9.14 11.33 -2.19 16.02
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 18 1 20
MONTH TO DATE 513 466 47 477
SINCE MAR 1 1444 1373 71 1470
SINCE JAN 1 2358 2191 167 2315
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 11.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 20
AVERAGE 54
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THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 96 1995
MINIMUM TEMPERATURE (F) 78 71 1956
SUNRISE AND SUNSET
MAY 28 2026...........SUNRISE 5:43 AM AST SUNSET 6:51 PM AST
MAY 29 2026...........SUNRISE 5:43 AM AST SUNSET 6:52 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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