WFO Monthly/Daily Climate Data
Issued by NWS Tiyan, Guam

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926
CXGM50 PGUM 050030
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2024
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  87  76  82   0   0  17 0.03  0.0    0 12.3 20  80   M    M   3        27  80
 2  88  75  82   0   0  17 0.39  0.0    0 12.2 25  60   M    M   4        34  90
 3  86  76  81  -1   0  16 0.45  0.0    0 10.8 21 100   M    M   5        29  90
 4  87  77  82   0   0  17 0.29  0.0    0 11.4 28  60   M    M   4        33  50
================================================================================
SM  348  304         0  67  1.16  0.0     46.7          M       16
================================================================================
AV 87.0 76.0                              11.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    28  60                 34  90
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     DECEMBER
                                          YEAR:      2024
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 81.5   TOTAL FOR MONTH:   1.16    1 = FOG OR MIST
DPTR FM NORMAL:  -0.5   DPTR FM NORMAL:    0.33    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON  2    GRTST 24HR  0.80 ON  2- 3      TO 1/4 MILE OR LESS
LOWEST:     75 ON  2                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)   3
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.    67
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1  5703    HIGHEST SLP 29.87 ON  1
DPTR FM NORMAL   -49    LOWEST  SLP 29.76 ON  1

[REMARKS]