Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 131921
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
321 PM AST WED AUG 13 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 13 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 94 1:01 PM 98 1994 90 4 86
MINIMUM 83 6:38 AM 72 1986 80 3 77
AVERAGE 89 85 4 82
PRECIPITATION (IN)
TODAY T 1.88 2024 0.14 -0.14 1.88
MONTH TO DATE 0.25 1.66 -1.41 4.29
SINCE JUN 1 2.29 6.92 -4.63 7.47
SINCE JAN 1 18.39 18.58 -0.19 7.47
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 24 20 4 17
MONTH TO DATE 291 260 31 250
SINCE JUN 1 1535 1437 98 1199
SINCE JAN 1 3927 3700 227 2444
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 7.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 56
AVERAGE 71
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 1995
MINIMUM TEMPERATURE (F) 80 73 1990
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 6:01 AM AST SUNSET 6:48 PM AST
AUGUST 14 2025........SUNRISE 6:02 AM AST SUNSET 6:47 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$