Climatological Report (Daily)
Issued by NWS
Issued by NWS
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988
CDCA42 TJSJ 311937
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
337 PM AST SUN AUG 31 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 31 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 90 12:25 PM 97 1995 90 0 91
MINIMUM 82 6:12 AM 74 1995 80 2 78
AVERAGE 86 85 1 85
PRECIPITATION (IN)
TODAY 0.12 1.55 1979 0.16 -0.04 0.26
MONTH TO DATE 3.63 4.37 -0.74 7.96
SINCE JUN 1 5.67 9.63 -3.96 11.14
SINCE JAN 1 21.77 21.29 0.48 11.14
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 20
MONTH TO DATE 635 611 24 604
SINCE JUN 1 1879 1788 91 1553
SINCE JAN 1 4271 4051 220 2798
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 13.0
SKY COVER
AVERAGE SKY COVER 0.3
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) 90 98 1993
MINIMUM TEMPERATURE (F) 80 74 1986
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:05 AM AST SUNSET 6:35 PM AST
SEPTEMBER 1 2025.....SUNRISE 6:05 AM AST SUNSET 6:34 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$