Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 041931
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
331 PM AST SAT OCT 04 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR OCTOBER 4 2025...
VALID TODAY AS OF 0300 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 97 1992 89 MM 90
MINIMUM MM MM 69 1954 79 MM 80
AVERAGE MM 84 MM 85
PRECIPITATION (IN)
TODAY MM 2.00 2023 0.17 MM 0.01
MONTH TO DATE T 0.69 -0.69 0.52
SINCE SEP 1 5.42 6.58 -1.16 6.86
SINCE JAN 1 27.07 27.87 -0.80 18.00
DEGREE DAYS
HEATING
TODAY MM 0 MM 0
MONTH TO DATE MM 0 MM 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY MM 19 MM 20
MONTH TO DATE MM 76 MM 79
SINCE SEP 1 454 656 -202 674
SINCE JAN 1 4704 4707 -3 3472
...................................................................
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 MM
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 96 1994
MINIMUM TEMPERATURE (F) 79 73 1983
SUNRISE AND SUNSET
OCTOBER 4 2025.......SUNRISE 6:11 AM AST SUNSET 6:06 PM AST
OCTOBER 5 2025.......SUNRISE 6:11 AM AST SUNSET 6:05 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$