Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 170853
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
453 AM AST THU JUL 17 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 16 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 2:52 PM 96 1995 90 3 89
MINIMUM 80 6:31 AM 73 1985 79 1 79
AVERAGE 87 84 3 84
PRECIPITATION (IN)
YESTERDAY 0.06 0.72 2003 0.09 -0.03 0.04
MONTH TO DATE 0.74 1.36 -0.62 1.89
SINCE JUN 1 1.58 3.71 -2.13 1.89
SINCE JAN 1 17.68 15.37 2.31 1.89
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 22 20 2 19
MONTH TO DATE 316 320 -4 318
SINCE JUN 1 927 893 34 653
SINCE JAN 1 3319 3156 163 1898
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 12.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 60
AVERAGE 75
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 96 1995
MINIMUM TEMPERATURE (F) 79 74 1989
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:53 AM AST SUNSET 6:59 PM AST
JULY 18 2025..........SUNRISE 5:53 AM AST SUNSET 6:59 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$