Climatological Report (Daily)
Issued by NWS
Issued by NWS
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790
CDCA42 TJSJ 132115
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
515 PM AST SAT SEP 13 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 13 2025...
VALID TODAY AS OF 0500 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 93 MM 95 1993 89 4 90
MINIMUM 82 MM 72 1981 80 2 77
AVERAGE 88 84 4 84
PRECIPITATION (IN)
TODAY 0.00 2.01 1985 0.20 -0.20 0.46
MONTH TO DATE 0.48 2.51 -2.03 5.44
SINCE SEP 1 0.48 2.51 -2.03 5.44
SINCE JAN 1 22.13 23.80 -1.67 16.58
DEGREE DAYS
HEATING
TODAY 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
TODAY 23 19 4 19
MONTH TO DATE 172 258 -86 252
SINCE SEP 1 172 258 -86 252
SINCE JAN 1 4422 4309 113 3050
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 60
AVERAGE 70
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 97 1994
MINIMUM TEMPERATURE (F) 80 71 1960
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 6:07 AM AST SUNSET 6:24 PM AST
SEPTEMBER 14 2025.....SUNRISE 6:08 AM AST SUNSET 6:23 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$