Climatological Report (Daily)
Issued by NWS Tiyan, Guam

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CDGM40 PGUM 201835
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
425 AM CHST SAT OCT 21 2017


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR OCTOBER 20 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1945 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         90   1228 PM  91    2014  87      3       89
                                      1988
                                      1970
  MINIMUM         77    649 AM  73    2002  77      0       80
                                      1965
  AVERAGE         84                        82      2       85

PRECIPITATION (IN)
  YESTERDAY        0.00          3.05 1967   0.37  -0.37     0.22
  MONTH TO DATE   17.22                      7.94   9.28     9.65
  SINCE SEP 1     32.14                     22.11  10.03    25.30
  SINCE JAN 1     87.20                     78.63   8.57    71.64

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE SEP 1      0.0
  SINCE JUL 1      0.0
  SNOW DEPTH       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       19                        17      2       20
  MONTH TO DATE  329                       340    -11      379
  SINCE SEP 1    859                       833     26      953
  SINCE JAN 1   5241                      4820    421     5417
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   N (0)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     70          1000 AM
 AVERAGE    85

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        92      1984
 MINIMUM TEMPERATURE (F)   77        70      1945


SUNRISE AND SUNSET
OCTOBER 21 2017.......SUNRISE   612 AM CHST  SUNSET   558 PM CHST
OCTOBER 22 2017.......SUNRISE   613 AM CHST  SUNSET   558 PM CHST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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