Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 301946
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
346 PM AST WED SEP 30 2026
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 30 2026...
VALID TODAY AS OF 0300 PM LOCAL TIME.
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)
TODAY
MAXIMUM 90 1:57 PM 95 1994 89 1 MM
MINIMUM 80 12:43 AM 70 1991 79 1 MM
AVERAGE 85 84 1 MM
PRECIPITATION (IN)
TODAY 0.06 3.90 2017 0.21 -0.15 MM
MONTH TO DATE 0.47 5.89 -5.42 5.42
SINCE SEP 1 0.47 5.89 -5.42 5.42
SINCE JAN 1 11.34 27.18 -15.84 27.07
DEGREE DAYS
HEATING
TODAY 0 0 0 MM
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 19 1 MM
MONTH TO DATE 202 580 -378 454
SINCE SEP 1 202 580 -378 454
SINCE JAN 1 4433 4631 -198 4704
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 59
AVERAGE 74
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1994
MINIMUM TEMPERATURE (F) 79 70 1991
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 6:10 AM AST SUNSET 6:09 PM AST
OCTOBER 1 2026.......SUNRISE 6:10 AM AST SUNSET 6:08 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$