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CXGM50 PGUM 101332
CLMGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
1132 PM CHST SUN MAY 10 2026

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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   04/18/1971
   04/01/1990
 LOW              68   04/06/1965
HIGHEST           89   04/09                          89  04/10
                                                          04/21
                                                          04/23
LOWEST            72   04/20                          74  04/05
AVG. MAXIMUM    86.5               88.1    -1.6     87.5
AVG. MINIMUM    76.3               76.9    -0.6     76.6
MEAN            81.4
DAYS MAX >= 90     0                4.4    -4.4        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       15.28   1963  (TY OLIVE 10.53" 2 DAY TOTAL)
 MINIMUM        0.51   1966
TOTALS         14.17               3.50   10.67     2.41
DAILY AVG.      0.47               0.12    0.35     0.08
DAYS >= .01       17               18.9    -1.9       17
DAYS >= .10        9                8.3     0.7       10
DAYS >= .50        3                1.3     1.7        0
DAYS >= 1.00       3                0.5     2.5        0
DAYS >= 3.00       2
GREATEST
 24 HR. TOTAL   6.58   04/14 TO 04/14               0.47


DEGREE DAYS
COOLING TOTAL    498                525     -27      519
 SINCE 1/1      1853               1948     -95     1988

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

WIND (MPH)
AVERAGE WIND SPEED              14.9
RESULTANT WIND SPEED/DIRECTION   6/050
HIGHEST WIND SPEED/DIRECTION    54/280    DATE  04/14
                                54/250          04/15
HIGHEST GUST SPEED/DIRECTION    88/300    DATE  04/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 4
RAIN                      7     LIGHT RAIN                24
FOG                       0     HAZE                       0

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

$$