Climatological Report (Daily)
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000
CDCA42 TJSJ 210758
CLIISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
357 AM AST SAT OCT 21 2017


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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR OCTOBER 20 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  92    1963  88     MM       91
  MINIMUM         MM        MM  68    1979  76     MM       82
  AVERAGE         MM                        82     MM       87

PRECIPITATION (IN)
  YESTERDAY        0.00          1.89 2006   0.17  -0.17     0.00
  MONTH TO DATE    0.00                      3.19  -3.19     0.96
  SINCE SEP 1     11.04                      8.05   2.99     5.14
  SINCE JAN 1     37.61                     28.18   9.43    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       22
  MONTH TO DATE  166                       343   -177      195
  SINCE SEP 1    451                       887   -436      729
  SINCE JAN 1   4243                      4740   -497     4859
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED    10.5


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70
 LOWEST     59
 AVERAGE    65

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        92      1980
 MINIMUM TEMPERATURE (F)   76        68      1979


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   614 AM AST   SUNSET   553 PM AST
OCTOBER 22 2017.......SUNRISE   615 AM AST   SUNSET   552 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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