These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

Climatological Report (Daily)


000
CDGM40 PGUM 210630
CLIGUM


CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN, GUAM
429 PM CHST SAT NOV 21 2009


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

...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR NOVEMBER 21 2009...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1945 TO 2009


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         89    202 PM  92    1970  87      2       89
                                      1964
  MINIMUM         78    707 AM  72    1965  77      1       78
  AVERAGE         84                        82      2       84

PRECIPITATION (IN)
  TODAY            0.07          0.71 1981   0.27  -0.20     0.09
  MONTH TO DATE    1.55                      6.48  -4.93     2.77
  SINCE SEP 1     28.22                     30.39  -2.17    25.45
  SINCE JAN 1     85.75                     77.73   8.02    68.05

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

DEGREE DAYS
 HEATING
  TODAY            0
  MONTH TO DATE    0
  SINCE SEP 1      0
  SINCE JUL 1      0

 COOLING
  TODAY           19                        17      2       19
  MONTH TO DATE  390                       359     31      392
  SINCE SEP 1   1441                      1407     34     1436
  SINCE JAN 1   5685                      5456    229     5635
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION  NE (60)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED    14.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           300 AM
 LOWEST     59           100 PM
 AVERAGE    72

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


THE GUAM INTERNATIONAL AIRPORT GU CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        92      1970
 MINIMUM TEMPERATURE (F)   77        72      1982


SUNRISE AND SUNSET
NOVEMBER 21 2009......SUNRISE   623 AM CHST  SUNSET   550 PM CHST
NOVEMBER 22 2009......SUNRISE   623 AM CHST  SUNSET   550 PM CHST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://aa.usno.navy.mil). See http://aa.usno.navy.mil/faq/docs/lawyers.php for information on using these data for legal purposes.