Climatological Report (Daily)
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761
CDCA42 TJSJ 181952
CLIIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
352 PM AST FRI SEP 18 2026

...................................

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0300 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         88   1:54 PM  96    1994  89     -1       83
  MINIMUM         81   6:26 AM  71    1972  80      1       75
  AVERAGE         85                        84      1       79

PRECIPITATION (IN)
  TODAY            T             2.48 2025   0.18  -0.18     2.48
  MONTH TO DATE    T                         3.45  -3.45     3.48
  SINCE SEP 1      T                         3.45  -3.45     3.48
  SINCE JAN 1     10.87                     24.74 -13.87    25.13

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           20                        19      1       14
  MONTH TO DATE   20                       353   -333      277
  SINCE SEP 1     20                       353   -333      277
  SINCE JAN 1   4251                      4404   -153     4527
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     9.4


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82
 LOWEST     68
 AVERAGE    75

..........................................................


THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        95      1994
 MINIMUM TEMPERATURE (F)   79        72      1974


SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE   6:08 AM AST   SUNSET   6:19 PM AST
SEPTEMBER 19 2026.....SUNRISE   6:08 AM AST   SUNSET   6:19 PM AST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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