Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 290901
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST TUE JUL 29 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 28 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 89 4:23 PM 96 1994 90 -1 89
MINIMUM 81 6:20 AM 70 1994 79 2 80
AVERAGE 85 84 1 85
PRECIPITATION (IN)
YESTERDAY 0.00 2.18 2013 0.10 -0.10 0.08
MONTH TO DATE 1.15 2.59 -1.44 3.01
SINCE JUN 1 1.99 4.94 -2.95 3.01
SINCE JAN 1 18.09 16.60 1.49 3.01
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 20 20 0 20
MONTH TO DATE 571 560 11 556
SINCE JUN 1 1182 1133 49 891
SINCE JAN 1 3574 3396 178 2136
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 68
AVERAGE 78
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1979
MINIMUM TEMPERATURE (F) 79 73 2001
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 5:57 AM AST SUNSET 6:56 PM AST
JULY 30 2025..........SUNRISE 5:57 AM AST SUNSET 6:55 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$