321
CDCA42 TJSJ 170856
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST SUN AUG 17 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 16 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 86 10:02 AM 97 1995 90 -4 84
MINIMUM 80 4:46 PM 72 1988 80 0 79
AVERAGE 83 85 -2 82
PRECIPITATION (IN)
YESTERDAY MM 1.61 1978 0.15 MM 0.00
MONTH TO DATE 0.41 2.09 -1.68 6.06
SINCE JUN 1 2.45 7.35 -4.90 9.24
SINCE JAN 1 18.55 19.01 -0.46 9.24
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 18 20 -2 17
MONTH TO DATE 352 320 32 301
SINCE JUN 1 1596 1497 99 1250
SINCE JAN 1 3988 3760 228 2495
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 17.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 80
AVERAGE 86
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 95 1995
MINIMUM TEMPERATURE (F) 80 74 2015
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:02 AM AST SUNSET 6:45 PM AST
AUGUST 18 2025........SUNRISE 6:03 AM AST SUNSET 6:44 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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