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

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000
CDCA42 TJSJ 202145
CLISJU


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN, PR
545 PM AST WED SEP 20 2017


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

...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 20 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         MM        MM  95    1981  89     MM       89
  MINIMUM         MM        MM  72    1920  78     MM       78
  AVERAGE         MM                        83     MM       84

PRECIPITATION (IN)
  TODAY            1.20          1.90 1967   0.19   1.01     0.20
  MONTH TO DATE    6.05                      4.00   2.05     3.33
  SINCE SEP 1      6.05                      4.00   2.05     3.33
  SINCE JAN 1     44.73                     37.62   7.11    41.19

SNOWFALL (IN)
  TODAY           MM                         0.0   MM        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
  TODAY           MM                         0     MM        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           MM                        18     MM       19
  MONTH TO DATE  378                       375      3      373
  SINCE SEP 1    378                       375      3      373
  SINCE JAN 1   4410                      4239    171     4378
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    46   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    75   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    37.6


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     88
 AVERAGE    94

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


THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89        94      1999
 MINIMUM TEMPERATURE (F)   78        71      1960


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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