Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDCA42 TJSJ 170855
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
455 AM AST SAT MAY 17 2025
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MAY 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 87 11:58 AM 95 1995 87 0 MM
MINIMUM 78 5:24 AM 71 1956 78 0 MM
AVERAGE 83 82 1 MM
PRECIPITATION (IN)
YESTERDAY 0.06 3.84 2015 0.11 -0.05 MM
MONTH TO DATE 4.26 1.64 2.62 T
SINCE MAR 1 13.10 5.74 7.36 T
SINCE JAN 1 15.25 10.28 4.97 T
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 MM
MONTH TO DATE 0 0 0 MM
SINCE MAR 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 17 1 MM
MONTH TO DATE 276 270 6 MM
SINCE MAR 1 1269 1177 92 382
SINCE JAN 1 2114 1995 119 1245
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 72
AVERAGE 80
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 96 1994
MINIMUM TEMPERATURE (F) 78 68 1972
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:46 AM AST SUNSET 6:47 PM AST
MAY 18 2025...........SUNRISE 5:45 AM AST SUNSET 6:47 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$