Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 310945
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
545 AM AST SUN AUG 31 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 30 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 MM MM 97 1994 90 MM 90
MINIMUM MM MM 70 1979 80 MM 80
AVERAGE MM 85 MM 85
PRECIPITATION (IN)
YESTERDAY MM 3.02 2010 0.17 MM 0.17
MONTH TO DATE 3.51 4.21 -0.70 7.70
SINCE JUN 1 5.55 9.47 -3.92 10.88
SINCE JAN 1 21.65 21.13 0.52 10.88
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 20 MM 20
MONTH TO DATE 614 600 14 584
SINCE JUN 1 1858 1777 81 1533
SINCE JAN 1 4250 4040 210 2778
...................................................................
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 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1995
MINIMUM TEMPERATURE (F) 80 74 1995
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.
$$