Climatological Report (Daily)
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853
CDCA42 TJSJ 211948
CLIIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
348 PM AST FRI AUG 21 2026

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

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 21 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         93  10:55 AM  98    1992  90      3       93
  MINIMUM         80   7:29 AM  73    2025  80      0       MM
  AVERAGE         87                        85      2       MM

PRECIPITATION (IN)
  TODAY            0.00          2.87 2011   0.14  -0.14     0.00
  MONTH TO DATE    0.80                      2.78  -1.98     2.64
  SINCE JUN 1      1.59                      8.04  -6.45     4.68
  SINCE JAN 1     10.82                     19.70  -8.88    20.78

DEGREE DAYS
 HEATING
  TODAY            0                         0      0       MM
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           22                        20      2       MM
  MONTH TO DATE  421                       420      1      433
  SINCE JUN 1   1695                      1597     98     1677
  SINCE JAN 1   4131                      3860    271     4069
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70
 LOWEST     20
 AVERAGE    45

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


THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90        95      1994
 MINIMUM TEMPERATURE (F)   80        73      1982


SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE   6:03 AM AST   SUNSET   6:42 PM AST
AUGUST 22 2026........SUNRISE   6:03 AM AST   SUNSET   6:42 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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