Climatological Report (Daily)
Issued by NWS San Juan, PR

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354
CDCA42 TJSJ 151957
CLISJU

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
357 PM AST FRI AUG 15 2025

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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 15 2025...
VALID TODAY AS OF 0300 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         89   1:59 PM  95    2024  89      0       95
  MINIMUM         79   2:57 AM  72    1952  78      1       83
  AVERAGE         84                        84      0       89

PRECIPITATION (IN)
  TODAY            0.05          9.67 1944   0.20  -0.15      T
  MONTH TO DATE    3.17                      2.84   0.33     5.27
  SINCE JUN 1     12.75                     13.52  -0.77    13.44
  SINCE JAN 1     37.15                     32.49   4.66    46.32

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY           19                        18      1       24
  MONTH TO DATE  291                       270     21      316
  SINCE JUN 1   1404                      1376     28     1602
  SINCE JAN 1   3728                      3509    219     4114
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     E (70)
  AVERAGE WIND SPEED     7.9


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90
 LOWEST     63
 AVERAGE    77

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        93      1992
                                             2024
 MINIMUM TEMPERATURE (F)   78        73      2005


SUNRISE AND SUNSET
AUGUST 15 2025........SUNRISE   6:06 AM AST   SUNSET   6:51 PM AST
AUGUST 16 2025........SUNRISE   6:06 AM AST   SUNSET   6:50 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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