Climatological Report (Daily)
Issued by NWS San Juan, PR

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559
CDCA42 TJSJ 180445
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST THU JAN 18 2018


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    104 PM  88    1966  83      1       83
  MINIMUM         73    518 AM  65    1959  72      1       72
  AVERAGE         79                        78      1       78

PRECIPITATION (IN)
  YESTERDAY        0.16          0.74 1932   0.12   0.04     0.12
  MONTH TO DATE    3.10                      2.29   0.81     1.61
  SINCE DEC 1      6.43                      7.31  -0.88     5.91
  SINCE JAN 1      3.10                      2.29   0.81     1.61

SNOWFALL (IN)
  YESTERDAY        0.0                       0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE DEC 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 DEC 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       14                        13      1       13
  MONTH TO DATE  251                       221     30      244
  SINCE DEC 1    723                       644     79      739
  SINCE JAN 1    251                       221     30      244
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     7.0


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     69
 AVERAGE    85

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        91      2014
 MINIMUM TEMPERATURE (F)   72        64      1914


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   659 AM AST   SUNSET   610 PM AST
JANUARY 19 2018.......SUNRISE   659 AM AST   SUNSET   610 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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