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

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768
CDCA42 TJSJ 180445
CLISJU


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


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 17 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    122 PM  95    1980  89      0       92
  MINIMUM         77    507 AM  69    1908  77      0       77
  AVERAGE         83                        83      0       85

PRECIPITATION (IN)
  YESTERDAY        T             2.53 1958   0.18  -0.18     0.00
  MONTH TO DATE    6.07                      2.80   3.27     1.86
  SINCE SEP 1     21.86                      8.57  13.29     6.77
  SINCE JAN 1     60.54                     42.19  18.35    44.63

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       18                        18      0       20
  MONTH TO DATE  310                       306      4      326
  SINCE SEP 1    864                       861      3      890
  SINCE JAN 1   4896                      4718    178     4895
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     7.0


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     70
 AVERAGE    85

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        94      1979
 MINIMUM TEMPERATURE (F)   77        70      1957


SUNRISE AND SUNSET
OCTOBER 18 2017.......SUNRISE   619 AM AST   SUNSET   559 PM AST
OCTOBER 19 2017.......SUNRISE   619 AM AST   SUNSET   559 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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