Climatological Report (Daily)
Issued by NWS
Issued by NWS
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355
CDCA42 TJSJ 151957
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
357 PM AST FRI AUG 15 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 15 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 93 1:47 PM 97 1995 90 3 87
MINIMUM 79 4:30 AM 72 1989 80 -1 81
AVERAGE 86 85 1 84
PRECIPITATION (IN)
TODAY 0.01 2.86 2021 0.14 -0.13 T
MONTH TO DATE 0.37 1.94 -1.57 6.06
SINCE JUN 1 2.41 7.20 -4.79 9.24
SINCE JAN 1 18.51 18.86 -0.35 9.24
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 21 20 1 19
MONTH TO DATE 334 300 34 284
SINCE JUN 1 1578 1477 101 1233
SINCE JAN 1 3970 3740 230 2478
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 52
AVERAGE 69
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1995
MINIMUM TEMPERATURE (F) 80 72 1988
SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE 6:02 AM AST SUNSET 6:46 PM AST
AUGUST 16 2025........SUNRISE 6:02 AM AST SUNSET 6:46 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$