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

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708
CXGM50 PGUM 210030
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     JULY
                                          YEAR:      2026
                                          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  88  77  83   0   0  18 0.03    M    M  9.1 15  80   M    M   4         M   M
 2  89  77  83   0   0  18 0.02    M    M  8.7 12  40   M    M   3        18  50
 3  88  77  83   0   0  18 0.02    M    M  8.4 15 350   M    M   3         M   M
 4  88  79  84   1   0  19 0.04    M    M 11.0 17 330   M    M   3        30 360
 5  85  73  79  -4   0  14 3.04    M    M 18.8 41 350   M    M   7 3      62 330
 6  82  76  79  -4   0  1412.64    M    M 41.7 69 260   M    M  10 3     111 230
 7  86  74  80  -3   0  15 0.99    M    M 16.6 35 210   M    M   6        63 180
 8  85  78  82  -1   0  17 0.10    M    M  9.8 17 170   M    M   4        30 150
 9  88  77  83   0   0  18    T    M    M  5.8  9  80   M    M   3         M   M
10  87  76  82  -1   0  17 0.26    M    M  8.2 16 360   M    M   2        23 360
11  88  77  83   0   0  18 0.13    M    M 11.4 17  50   M    M   4        27  20
12  85  75  80  -3   0  15 0.42    M    M 12.7 20  90   M    M   7        31   M
13  82  75  79  -4   0  14 1.46    M    M  7.3 16 120   M    M   7 1      28 160
14  89  79  84   1   0  19 0.00    M    M  8.8 15 210   M    M   2        23 170
15  88  79  84   2   0  19 0.00    M    M 10.6 18 240   M    M   3        30 250
16  89  76  83   1   0  18 0.38    M    M 10.1 21 240   M    M   5 1      29 240
17  88  77  83   1   0  18 0.01    M    M  8.2 17 250   M    M   3        27 250
18  88  78  83   1   0  18 0.00    M    M  8.0 15 290   M    M   3        22 280
19  87  76  82   0   0  17 0.86    M    M  4.9 14  10   M    M   2         M   M
20  86  79  83   1   0  18 0.00    M    M  9.7 17 170   M    M   3        23 160
================================================================================
SM 1736 1535         0 342 20.40    M    229.8          M       84
================================================================================
AV 86.8 76.8                              11.5 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    69 260                111 230
================================================================================
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:     JULY
                                          YEAR:      2026
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

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

AVERAGE MONTHLY: 81.8   TOTAL FOR MONTH:  20.40    1 = FOG OR MIST
DPTR FM NORMAL:  -0.9   DPTR FM NORMAL:   13.27    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON 16,14  GRTST 24HR 12.64 ON  6- 6      TO 1/4 MILE OR LESS
LOWEST:     73 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:  15
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  10
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   342
DPTR FM NORMAL   -14    [PRESSURE DATA]
TOTAL FM JAN 1  3263    HIGHEST SLP 29.89 ON  1
DPTR FM NORMAL  -157    LOWEST  SLP 29.80 ON  1

[REMARKS]