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

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CDCA42 TJSJ 190445
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
1245 AM AST SAT AUG 19 2017


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 18 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         88    319 PM  94    1991  89     -1       92
  MINIMUM         78    306 AM  72    1956  78      0       80
  AVERAGE         83                        84     -1       86

PRECIPITATION (IN)
  YESTERDAY        0.05          1.80 1967   0.19  -0.14     0.02
  MONTH TO DATE    3.79                      2.91   0.88     3.22
  SINCE JUN 1     14.38                     12.39   1.99    11.06
  SINCE JAN 1     34.79                     31.07   3.72    35.94

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

 COOLING
  YESTERDAY       18                        19     -1       21
  MONTH TO DATE  356                       342     14      334
  SINCE JUN 1   1511                      1461     50     1479
  SINCE JAN 1   3774                      3626    148     3755
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (80)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    12.0


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97
 LOWEST     68
 AVERAGE    83

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        93      1991
 MINIMUM TEMPERATURE (F)   78        73      1956


SUNRISE AND SUNSET
AUGUST 19 2017........SUNRISE   607 AM AST   SUNSET   648 PM AST
AUGUST 20 2017........SUNRISE   607 AM AST   SUNSET   647 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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