Climatological Report (Daily)
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471
CDCA42 TJSJ 180913
CLIISX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
513 AM AST SAT JUL 18 2026

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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR JULY 17 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1951 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         91  12:59 PM  93    1989  89      2       89
  MINIMUM         80   6:19 AM  73    1998  77      3       79
  AVERAGE         86                        83      3       84

PRECIPITATION (IN)
  YESTERDAY        0.00          0.94 1958   0.09  -0.09     0.03
  MONTH TO DATE    T                         1.36  -1.36     0.97
  SINCE JUN 1      0.07                      3.28  -3.21     2.38
  SINCE JAN 1      4.39                     14.03  -9.64     2.45

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       21                        18      3       19
  MONTH TO DATE  342                       306     36      303
  SINCE JUN 1    897                       840     57      830
  SINCE JAN 1   3116                      2954    162     3054
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED    15.0


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82
 LOWEST     54
 AVERAGE    68

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        93      1989
                                             2024
 MINIMUM TEMPERATURE (F)   77        70      1960


SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE   5:54 AM AST   SUNSET   6:57 PM AST
JULY 19 2026..........SUNRISE   5:54 AM AST   SUNSET   6:57 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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