Climatological Report (Daily)
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454
CDCA42 TJSJ 042046
CLIISX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
446 PM AST THU SEP 04 2025

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR SEPTEMBER 4 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90        MM  94    2023  89      1       90
  MINIMUM         76        MM  68    1979  77     -1       79
  AVERAGE         83                        83      0       85

PRECIPITATION (IN)
  TODAY           MM             1.41 2009   0.17  MM        0.10
  MONTH TO DATE    T                         0.66  -0.66     0.63
  SINCE SEP 1      T                         0.66  -0.66     0.63
  SINCE JAN 1      3.30                     19.20 -15.90    10.47

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           18                        18      0       20
  MONTH TO DATE   76                        72      4       83
  SINCE SEP 1     76                        72      4       83
  SINCE JAN 1   3961                      3858    103     3859
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     9.5


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88
 LOWEST     59
 AVERAGE    74

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        94      2022
 MINIMUM TEMPERATURE (F)   77        63      1979


SUNRISE AND SUNSET
SEPTEMBER  4 2025.....SUNRISE   6:06 AM AST   SUNSET   6:30 PM AST
SEPTEMBER  5 2025.....SUNRISE   6:06 AM AST   SUNSET   6:29 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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