Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 300900
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
500 AM AST THU JUL 30 2026
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 29 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 1:02 PM 97 1979 90 3 90
MINIMUM 79 9:01 PM 73 2001 79 0 82
AVERAGE 86 84 2 86
PRECIPITATION (IN)
YESTERDAY 0.00 1.64 2001 0.11 -0.11 0.00
MONTH TO DATE 0.75 2.70 -1.95 1.15
SINCE JUN 1 0.79 5.05 -4.26 1.99
SINCE JAN 1 10.02 16.71 -6.69 18.09
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 21 20 1 21
MONTH TO DATE 626 580 46 592
SINCE JUN 1 1250 1153 97 1203
SINCE JAN 1 3686 3416 270 3595
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 14.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75
LOWEST 19
AVERAGE 47
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1993
MINIMUM TEMPERATURE (F) 79 70 1972
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 5:57 AM AST SUNSET 6:55 PM AST
JULY 31 2026..........SUNRISE 5:58 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.
$$