Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 180924
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
524 AM AST SAT OCT 18 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR OCTOBER 17 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 87 2:43 PM 93 1994 88 -1 90
MINIMUM 79 7:04 AM 72 1984 78 1 80
AVERAGE 83 83 0 85
PRECIPITATION (IN)
YESTERDAY 0.14 1.76 1987 0.17 -0.03 0.17
MONTH TO DATE 0.15 2.88 -2.73 1.91
SINCE SEP 1 5.57 8.77 -3.20 8.25
SINCE JAN 1 27.22 30.06 -2.84 19.39
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 18 18 0 20
MONTH TO DATE 38 318 -280 331
SINCE SEP 1 492 898 -406 926
SINCE JAN 1 4742 4949 -207 3724
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 67
AVERAGE 78
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 94 1993
MINIMUM TEMPERATURE (F) 78 70 1985
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 6:14 AM AST SUNSET 5:55 PM AST
OCTOBER 19 2025.......SUNRISE 6:15 AM AST SUNSET 5:54 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$