Climatological Report (Daily)
Issued by NWS
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CDCA42 TJSJ 150850
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
450 AM AST TUE SEP 15 2026
...................................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 14 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 MM MM 97 1994 89 MM 92
MINIMUM MM MM 71 1960 80 MM 84
AVERAGE MM 84 MM 88
PRECIPITATION (IN)
YESTERDAY MM 1.38 1960 0.19 MM 0.00
MONTH TO DATE T 2.70 -2.70 0.48
SINCE SEP 1 T 2.70 -2.70 0.48
SINCE JAN 1 10.87 23.99 -13.12 22.13
DEGREE DAYS
HEATING
YESTERDAY MM 0 MM 0
MONTH TO DATE MM 0 MM 0
SINCE SEP 1 MM 0 MM 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY MM 19 MM 23
MONTH TO DATE MM 277 MM 195
SINCE SEP 1 MM 277 MM 195
SINCE JAN 1 4231 4328 -97 4445
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 97 1994
MINIMUM TEMPERATURE (F) 80 72 1960
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:08 AM AST SUNSET 6:22 PM AST
SEPTEMBER 16 2026.....SUNRISE 6:08 AM AST SUNSET 6:21 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$