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

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CDCA42 TJSJ 200445
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST WED SEP 20 2017


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 19 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         89   1059 AM  95    2013  89      0       89
  MINIMUM         80    412 PM  71    1950  78      2       79
  AVERAGE         85                        83      2       84

PRECIPITATION (IN)
  YESTERDAY        0.21          1.92 2014   0.18   0.03     0.01
  MONTH TO DATE    4.85                      3.81   1.04     3.13
  SINCE SEP 1      4.85                      3.81   1.04     3.13
  SINCE JAN 1     43.53                     37.43   6.10    40.99

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                        18      2       19
  MONTH TO DATE  378                       357     21      354
  SINCE SEP 1    378                       357     21      354
  SINCE JAN 1   4410                      4221    189     4359
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    16.3


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85
 LOWEST     70
 AVERAGE    78

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        95      1981
 MINIMUM TEMPERATURE (F)   78        72      1920


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   613 AM AST   SUNSET   622 PM AST
SEPTEMBER 21 2017.....SUNRISE   613 AM AST   SUNSET   621 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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