Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 042046
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
446 PM AST THU SEP 04 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 4 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 97 1995 90 MM 92
MINIMUM MM MM 70 1979 80 MM 80
AVERAGE MM 85 MM 86
PRECIPITATION (IN)
TODAY MM 3.79 1979 0.20 MM 0.11
MONTH TO DATE T 0.78 -0.78 0.12
SINCE SEP 1 T 0.78 -0.78 0.12
SINCE JAN 1 21.65 22.07 -0.42 11.26
DEGREE DAYS
HEATING
TODAY MM 0 MM 0
MONTH TO DATE MM 0 MM 0
SINCE SEP 1 MM 0 MM 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY MM 20 MM 21
MONTH TO DATE MM 80 MM 85
SINCE SEP 1 MM 80 MM 85
SINCE JAN 1 4250 4131 119 2883
...................................................................
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 98 1993
MINIMUM TEMPERATURE (F) 80 70 1979
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:06 AM AST SUNSET 6:31 PM AST
SEPTEMBER 5 2025.....SUNRISE 6:06 AM AST SUNSET 6:30 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$