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

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CDCA42 TJSJ 210445
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST SAT OCT 21 2017


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 20 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   1246 PM  95    1980  88      1       93
  MINIMUM         76    916 PM  67    1959  77     -1       82
  AVERAGE         83                        82      1       88

PRECIPITATION (IN)
  YESTERDAY        0.28          2.38 1942   0.19   0.09     0.00
  MONTH TO DATE    6.35                      3.36   2.99     2.08
  SINCE SEP 1     22.14                      9.13  13.01     6.99
  SINCE JAN 1     60.82                     42.75  18.07    44.85

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       23
  MONTH TO DATE  366                       360      6      383
  SINCE SEP 1    920                       915      5      947
  SINCE JAN 1   4952                      4772    180     4952
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    12.0


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94
 LOWEST     68
 AVERAGE    81

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        94      2016
 MINIMUM TEMPERATURE (F)   77        68      1959


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   620 AM AST   SUNSET   557 PM AST
OCTOBER 22 2017.......SUNRISE   620 AM AST   SUNSET   557 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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