Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 010940
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
540 AM AST MON SEP 01 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 31 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 99R MM 97 1995 90 9 91
MINIMUM 99 MM 74 1995 80 19 78
AVERAGE 99 85 14 85
PRECIPITATION (IN)
YESTERDAY MM 1.55 1979 0.16 MM 0.26
MONTH TO DATE 3.51 4.37 -0.86 7.96
SINCE JUN 1 5.55 9.63 -4.08 11.14
SINCE JAN 1 21.65 21.29 0.36 11.14
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 34 20 14 20
MONTH TO DATE 648 611 37 604
SINCE JUN 1 1892 1788 104 1553
SINCE JAN 1 4284 4051 233 2798
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 99
LOWEST 99
AVERAGE 99
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 98 1993
MINIMUM TEMPERATURE (F) 80 74 1986
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:05 AM AST SUNSET 6:34 PM AST
SEPTEMBER 2 2025.....SUNRISE 6:06 AM AST SUNSET 6:33 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$