516
CDCA42 TJSJ 180921
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
521 AM AST SUN JAN 18 2026
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 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 90R 12:22 PM 90 1995 84 6 86
2026
MINIMUM 77 8:25 AM 66 1980 74 3 75
AVERAGE 84 79 5 81
PRECIPITATION (IN)
YESTERDAY 0.02 0.61 2009 0.08 -0.06 0.04
MONTH TO DATE 0.30 1.53 -1.23 0.33
SINCE DEC 1 1.40 4.46 -3.06 5.15
SINCE JAN 1 0.30 1.53 -1.23 0.33
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 14 5 16
MONTH TO DATE 289 238 51 231
SINCE DEC 1 738 705 33 710
SINCE JAN 1 289 238 51 231
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 14.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 52
AVERAGE 65
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 89 1991
MINIMUM TEMPERATURE (F) 74 66 1955
SUNRISE AND SUNSET
JANUARY 18 2026.......SUNRISE 6:55 AM AST SUNSET 6:06 PM AST
JANUARY 19 2026.......SUNRISE 6:55 AM AST SUNSET 6:06 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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