Climatological Report (Daily)
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894
CDCA42 TJSJ 180851
CLIIST

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST MON AUG 18 2025

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

...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 17 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         85   6:45 PM  95    1995  90     -5       89
  MINIMUM         76   9:02 AM  74    2015  80     -4       75
  AVERAGE         81                        85     -4       82

PRECIPITATION (IN)
  YESTERDAY        2.22          4.24 2022   0.14   2.08     0.80
  MONTH TO DATE    2.63                      2.23   0.40     6.86
  SINCE JUN 1      4.67                      7.49  -2.82    10.04
  SINCE JAN 1     20.77                     19.15   1.62    10.04

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       16                        20     -4       17
  MONTH TO DATE  368                       340     28      318
  SINCE JUN 1   1612                      1517     95     1267
  SINCE JAN 1   4004                      3780    224     2512
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    38   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    57   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    18.5


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96
 LOWEST     82
 AVERAGE    89

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


THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   90        95      1994
 MINIMUM TEMPERATURE (F)   80        73      1953


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   6:03 AM AST   SUNSET   6:44 PM AST
AUGUST 19 2025........SUNRISE   6:03 AM AST   SUNSET   6:44 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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