009
CXGM50 PGUM 030935
CLMGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
735 PM CHST MON AUG 03 2026

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...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JULY 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             95   07/18/1969
 LOW              69   07/10/2006
HIGHEST           89   07/27                          90  07/29
                       07/16
                       07/14
LOWEST            73   07/05                          74  07/25
AVG. MAXIMUM    87.1               87.9    -0.8     86.3
AVG. MINIMUM    77.1               77.1    -0.0     77.1
MEAN            82.1
DAYS MAX >= 90     0                6.8    -6.8        1
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       29.80   2002 (9.35" TY CHATAAN)
 MINIMUM        4.46   1954
TOTALS         21.01              12.25    8.76    12.99
DAILY AVG.      0.68               0.40    0.28     0.42
DAYS >= .01       24               26.0    -2.0       27
DAYS >= .10       13               17.8    -4.8       19
DAYS >= .50        5                6.7    -1.7        9
DAYS >= 1.00       3                3.3    -0.3        4
DAYS >= 3.00       2                                   0
GREATEST
 24 HR. TOTAL  12.64   07/06 TO 07/06               2.04   07/20


DEGREE DAYS
COOLING TOTAL    538                542      -4      525
 SINCE 1/1      3459               3606    -147     3598

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

WIND (MPH)
AVERAGE WIND SPEED              9.9
RESULTANT WIND SPEED/DIRECTION   0/160
HIGHEST WIND SPEED/DIRECTION    69/260    DATE  07/06
HIGHEST GUST SPEED/DIRECTION   111/230    DATE  07/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     82

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     HEAVY RAIN                 5
RAIN                     13     LIGHT RAIN                23
FOG                       0     HAZE                       0

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

$$