Climatological Report (Daily)
Issued by NWS
Issued by NWS
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729
CDCA42 TJSJ 110919
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
519 AM AST MON AUG 11 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 10 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 93 12:21 PM 97 1993 90 3 90
MINIMUM 82 11:59 PM 70 1953 80 2 77
AVERAGE 88 85 3 84
PRECIPITATION (IN)
YESTERDAY 0.02 0.90 1994 0.15 -0.13 0.87
MONTH TO DATE 0.23 1.23 -1.00 1.99
SINCE JUN 1 2.27 6.49 -4.22 5.17
SINCE JAN 1 18.37 18.15 0.22 5.17
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 23 20 3 19
MONTH TO DATE 220 200 20 194
SINCE JUN 1 1464 1377 87 1143
SINCE JAN 1 3856 3640 216 2388
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 9.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 61
AVERAGE 70
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 1993
MINIMUM TEMPERATURE (F) 80 71 1956
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 6:01 AM AST SUNSET 6:49 PM AST
AUGUST 12 2025........SUNRISE 6:01 AM AST SUNSET 6:48 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$