Climatological Report (Daily)
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000
CDCA42 TJSJ 180445
CLIISX


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST WED OCT 18 2017


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

...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR OCTOBER 17 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         88    400 PM  94    1972  88      0       89
  MINIMUM         82    900 PM  69    1981  76      6       74
  AVERAGE         85                        82      3       82

PRECIPITATION (IN)
  YESTERDAY        0.00          0.85 1954   0.17  -0.17     0.02
  MONTH TO DATE    0.00                      2.68  -2.68     0.96
  SINCE SEP 1     11.04                      7.54   3.50     5.14
  SINCE JAN 1     37.61                     27.67   9.94    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        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
  YESTERDAY       20                        17      3       17
  MONTH TO DATE  144                       292   -148      135
  SINCE SEP 1    429                       836   -407      669
  SINCE JAN 1   4221                      4689   -468     4799
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (120)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     8.8


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85
 LOWEST     72
 AVERAGE    79

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


THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        93      1980
 MINIMUM TEMPERATURE (F)   76        69      1980


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   613 AM AST   SUNSET   555 PM AST
OCTOBER 19 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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