Climatological Report (Daily)
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000
CDCA42 TJSJ 190445
CLIISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST THU OCT 19 2017


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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR OCTOBER 18 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         MM        MM  93    1980  88     MM       89
  MINIMUM         MM        MM  69    1980  76     MM       81
  AVERAGE         MM                        82     MM       85

PRECIPITATION (IN)
  YESTERDAY        0.00          1.34 1997   0.17  -0.17     0.00
  MONTH TO DATE    0.00                      2.85  -2.85     0.96
  SINCE SEP 1     11.04                      7.71   3.33     5.14
  SINCE JAN 1     37.61                     27.84   9.77    23.20

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0

DEGREE DAYS
 HEATING
  YESTERDAY       MM                         0     MM        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       MM                        17     MM       20
  MONTH TO DATE  144                       309   -165      155
  SINCE SEP 1    429                       853   -424      689
  SINCE JAN 1   4221                      4706   -485     4819
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    11.4


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80
 LOWEST     68
 AVERAGE    74

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        92      1993
 MINIMUM TEMPERATURE (F)   76        70      1982


SUNRISE AND SUNSET
OCTOBER 19 2017.......SUNRISE   614 AM AST   SUNSET   554 PM AST
OCTOBER 20 2017.......SUNRISE   614 AM AST   SUNSET   554 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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