Climatological Report (Daily)
Issued by NWS
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774
CDCA42 TJSJ 010912
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
512 AM AST FRI AUG 01 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 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 89 4:07 PM 97 1993 90 -1 87
MINIMUM 80 5:32 AM 72 1955 79 1 78
AVERAGE 85 85 0 83
PRECIPITATION (IN)
YESTERDAY 0.05 4.88 2019 0.11 -0.06 0.14
MONTH TO DATE 1.20 2.91 -1.71 3.18
SINCE JUN 1 2.04 5.26 -3.22 3.18
SINCE JAN 1 18.14 16.92 1.22 3.18
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 18
MONTH TO DATE 633 604 29 614
SINCE JUN 1 1244 1177 67 949
SINCE JAN 1 3636 3440 196 2194
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 10.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 61
AVERAGE 72
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 97 1994
MINIMUM TEMPERATURE (F) 79 73 1992
SUNRISE AND SUNSET
AUGUST 1 2025........SUNRISE 5:58 AM AST SUNSET 6:54 PM AST
AUGUST 2 2025........SUNRISE 5:58 AM AST SUNSET 6:54 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$