021
CDCA42 TJSJ 300931
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
531 AM AST SAT AUG 30 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 29 2025...
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)
YESTERDAY
MAXIMUM 90 4:00 PM 97 1994 90 0 91
MINIMUM 82 MM 72 1963 80 2 81
AVERAGE 86 85 1 86
PRECIPITATION (IN)
YESTERDAY 0.12 1.58 2019 0.16 -0.04 0.00
MONTH TO DATE 3.51 4.04 -0.53 7.53
SINCE JUN 1 5.55 9.30 -3.75 10.71
SINCE JAN 1 21.65 20.96 0.69 10.71
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 21 20 1 21
MONTH TO DATE 614 580 34 564
SINCE JUN 1 1858 1757 101 1513
SINCE JAN 1 4250 4020 230 2758
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83
LOWEST 64
AVERAGE 74
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1994
MINIMUM TEMPERATURE (F) 80 70 1979
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:05 AM AST SUNSET 6:35 PM AST
AUGUST 31 2025........SUNRISE 6:05 AM AST SUNSET 6:35 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page