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

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CXGM50 PGUM 161850
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     OCTOBER
                                          YEAR:      2017
                                          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  86  78  82   0   0  17 0.14  0.0    0  7.0 17  90   M    M   2 1      23  90
 2  87  78  83   1   0  18 0.16  0.0    0  6.1 16 120   M    M   2 1      22 110
 3  84  75  80  -2   0  15 0.96  0.0    0  3.0 14 280   M    M   6 1      17 280
 4  86  74  80  -2   0  15    T  0.0    0  4.0 13  90   M    M   1        16  90
 5  87  76  82   0   0  17 0.31  0.0    0  3.7 12 110   M    M   2 1      16 110
 6  89  77  83   1   0  18 0.10  0.0    0  7.1 23  80   M    M   2 1      28  80
 7  89  74  82   0   0  17 0.80  0.0    0  8.1 21  40   M    M   3 1      24  40
 8  87  76  82   0   0  17 1.54  0.0    0  7.6 25 100   M    M   5 18     34 100
 9  82  76  79  -3   0  14 0.98  0.0    0  9.3 26  90   M    M   4 1      34  90
10  81  75  78  -4   0  13 0.67  0.0    0  8.8 21 110   M    M   3 1      28 110
11  88  80  84   2   0  19 0.06  0.0    0 12.3 18 110   M    M   4 18     26  90
12  87  78  83   1   0  18 0.70  0.0    0  8.9 25 100   M    M   3 1      38  90
13  86  74  80  -2   0  15 1.57  0.0    0  7.7 25  50   M    M   5 1      30  60
14  87  77  82   0   0  17 1.84  0.0    0  8.5 22  60   M    M   2 138    26  80
15  88  76  82   0   0  17 0.57  0.0    M  5.2 17  90   M    M   4 1      21 100
16  88  76  82   0   0  17 1.01  0.0    0  5.8 14  50   M    M   4 1       M  M
================================================================================
SM 1382 1220         0 264 11.41     0.0 113.1          M       52
================================================================================
AV 86.4 76.3                               7.1 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 26  90               # 38   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:    OCTOBER
                                          YEAR:     2017
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

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

AVERAGE MONTHLY: 81.3   TOTAL FOR MONTH:  11.41    1 = FOG OR MIST
DPTR FM NORMAL:  -0.7   DPTR FM NORMAL:    4.96    2 = FOG REDUCING VISIBILITY
HIGHEST:    89 ON  7, 6 GRTST 24HR  1.84 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     74 ON 13, 7                            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:  15
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  14
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:  10
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   4

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

[CDD (BASE 65) ]
TOTAL THIS MO.   264
DPTR FM NORMAL    -8    [PRESSURE DATA]
TOTAL FM JAN 1  5176    HIGHEST SLP 29.91 ON  1
DPTR FM NORMAL   424    LOWEST  SLP 29.79 ON  1

[REMARKS]


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