Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 292010
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
410 PM AST MON SEP 29 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 29 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM MM MM 94 1993 89 MM 90
MINIMUM MM MM 72 1956 79 MM 80
AVERAGE MM 84 MM 85
PRECIPITATION (IN)
TODAY MM 1.58 2017 0.23 MM 0.05
MONTH TO DATE 5.42 5.68 -0.26 6.26
SINCE SEP 1 5.42 5.68 -0.26 6.26
SINCE JAN 1 27.07 26.97 0.10 17.40
DEGREE DAYS
HEATING
TODAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY MM 19 MM 20
MONTH TO DATE 476 562 -86 575
SINCE SEP 1 476 562 -86 575
SINCE JAN 1 4726 4613 113 3373
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 1994
MINIMUM TEMPERATURE (F) 79 70 1991
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 6:10 AM AST SUNSET 6:10 PM AST
SEPTEMBER 30 2025.....SUNRISE 6:10 AM AST SUNSET 6:09 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$