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000
CXGM50 PGUM 060457
CLMGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
257 PM CHST SAT JAN 06 2024

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             91   12/15/2014
                       12/03/2012
                       12/02/1994
 LOW              68   12/31/1962
HIGHEST           89                                  87  12/09
                                                          12/20
                                                          12/24
LOWEST            74                                  75  12/23
                                                          12/26
                                                          12/27
AVG. MAXIMUM    86.2               86.8    -0.6     85.6
AVG. MINIMUM    76.6               76.8    -0.2     76.8
MEAN            81.4
DAYS MAX >= 90     0                0.9    -0.9        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.32   2022
 MINIMUM        1.46   2019
TOTALS          5.49               5.30    0.19     9.32
DAILY AVG.      0.18               0.17    0.01     0.30
DAYS >= .01       28               22.7     5.3       27
DAYS >= .10       16               11.5     4.5       19
DAYS >= .50        3                2.7     0.3        7
DAYS >= 1.00       1                0.8     0.2        3
DAYS >= %-5.2F     0
GREATEST
 24 HR. TOTAL   1.37   12/31 TO 12/31               1.38

SNOWFALL (INCHES)
TOTALS           0.0
SINCE 7/1        0.0
GREATEST
 SNOW DEPTH      0.0

DEGREE DAYS
COOLING TOTAL    516                521      -5      513
 SINCE 1/1      6054               6205    -151     6018

FREEZE DATES
................................................................

WIND (MPH)
AVERAGE WIND SPEED              13.6
RESULTANT WIND SPEED/DIRECTION  13/070
HIGHEST WIND SPEED/DIRECTION    33/080    DATE  12/03
HIGHEST GUST SPEED/DIRECTION    46/090    DATE  12/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 7
RAIN                     14     LIGHT RAIN                30
FOG                       0     HAZE                       0

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

$$