Climatological Report (Monthly)
Issued by NWS Tiyan, Guam

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000
CXGM50 PGUM 041154
CLMGUM

CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
954 PM CHST SUN FEB 04 2024

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

...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...

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             94   01/09/1989
 LOW              66   01/18/2000
HIGHEST           87                                  87  01/06
LOWEST            72                                  73  01/08
                                                          01/11
AVG. MAXIMUM    84.9               85.9    -1.0     86.0
AVG. MINIMUM    75.2               75.4    -0.2     78.0
MEAN            80.0
DAYS MAX >= 90     0                0.2    -0.2        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       18.09   1976 (TY KATHY 9.52")
 MINIMUM        0.94   2018
TOTALS          2.38               5.34   -2.96     0.20
DAILY AVG.      0.08               0.17   -0.09     0.45
DAYS >= .01       23               20.1     2.9        1
DAYS >= .10        8               11.0    -3.0        1
DAYS >= .50        1                2.7    -1.7        0
DAYS >= 1.00       0                1.1    -1.1        0
DAYS >= 3.00       0
GREATEST
 24 HR. TOTAL   0.52   01/21 TO 01/21               3.94

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

DEGREE DAYS
COOLING TOTAL    477                485      -8      480
 SINCE 1/1       477                485      -8      480

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

WIND (MPH)
AVERAGE WIND SPEED              12.6
RESULTANT WIND SPEED/DIRECTION  12/060
HIGHEST WIND SPEED/DIRECTION    33/040    DATE  01/18
HIGHEST GUST SPEED/DIRECTION    45/060    DATE  01/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             21
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     HEAVY RAIN                 2
RAIN                     10     LIGHT RAIN                29
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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