Climatological Report (Monthly)
Issued by NWS Tiyan, Guam

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000
CXGM50 PGUM 010730
CLMGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
530 PM CHST SAT APR 01 2023

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

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

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1945 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             93   03/29/1964
 LOW              66   03/15/1965
HIGHEST           86                                  88  03/20
                                                          03/21
                                                          03/29
LOWEST            74                                  74  03/11
                                                          03/25
                                                          03/31
AVG. MAXIMUM    85.3               86.7    -1.4     85.0
AVG. MINIMUM    75.3               75.4    -0.1     77.0
MEAN            80.3
DAYS MAX >= 90     0                1.0    -1.0        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        9.27   1974
 MINIMUM        0.40   1978
TOTALS          5.45               2.77    2.68     0.31
DAILY AVG.      0.18               0.09    0.09     0.07
DAYS >= .01       26               18.3     7.7        1
DAYS >= .10       12                7.6     4.4        1
DAYS >= .50        2                1.3     0.7        0
DAYS >= 1.00       1                0.2     0.8        0
DAYS >= 3.00       0
GREATEST
 24 HR. TOTAL   1.28   03/13 TO 03/13               0.58

SNOWFALL (INCHES)
TOTALS           0.0
SINCE 7/1        0.0
GREATEST
 SNOW DEPTH        0

DEGREE DAYS
COOLING TOTAL    482                498     -16      525
 SINCE 1/1      1403               1398       5     1434

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

WIND (MPH)
AVERAGE WIND SPEED              10.4
RESULTANT WIND SPEED/DIRECTION   9/070
HIGHEST WIND SPEED/DIRECTION    30/040    DATE  03/01
                                30/050          03/05
HIGHEST GUST SPEED/DIRECTION    39/050    DATE  03/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.43
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             24
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 6
RAIN                     13     LIGHT RAIN                26
FOG                       0     HAZE                       0

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

$$


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