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

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CXGM50 PGUM 251850
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     SEPTEMBER
                                          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  90  76  83   2   0  18 0.13  0.0    0  5.9 20 330   M    M   2 1      23 330
 2  90  77  84   3   0  19    T  0.0    0  5.0 12 280   M    M   2        16 280
 3  90  78  84   3   0  19    T  0.0    0  5.4 16  30   M    M   2 1      18  90
 4  90  78  84   3   0  19 0.23  0.0    0  7.3 20  50   M    M   3 1      23  60
 5  91  79  85   4   0  20 0.06  0.0    0  8.1 24  60   M    M   2 18     27  50
 6  89  77  83   2   0  18 0.74  0.0    0  6.5 18  90   M    M   4 13     24 100
 7  88  78  83   2   0  18    T  0.0    0  4.0 12  80   M    M   2        14  80
 8  84  75  80  -1   0  15 3.65  0.0    0  5.7 20 150   M    M   5 13     32 150
 9  78  75  77  -4   0  12 2.93  0.0    0  5.8 18 180   M    M   6 1      28 180
10  87  77  82   1   0  17    T  0.0    0  5.4 14 110   M    M   1        17 120
11  91  79  85   4   0  20 0.09  0.0    0 10.8 23  70   M    M   2 1      27  70
12  88  78  83   2   0  18 0.55  0.0    0  8.8 20  90   M    M   3 138    26 150
13  83  75  79  -2   0  14 2.37  0.0    0  4.7 17 270   M    M   4 12     23 170
14  90  75  83   2   0  18 0.55  0.0    0  5.4 15 350   M    M   2 1      19 320
15  87  76  82   1   0  17 0.24  0.0    0  4.3 13 350   M    M   5 18     16  10
16  88  76  82   1   0  17 0.19  0.0    0  3.9  9  50   M    M   5 1      16 170
17  86  78  82   0   0  17 0.02  0.0    0  5.4 13 190   M    M   2 1      17 180
18  87  77  82   0   0  17 0.11  0.0    0  3.5 13 280   M    M   2 1      15 250
19  91  79  85   3   0  20 0.05  0.0    0  8.8 20  70   M    M   2 1      23  60
20  86  77  82   0   0  17 0.27  0.0    0  9.6 22 110   M    M   5 18     32 140
21  89  78  84   2   0  19 0.28  0.0    0  3.9  8 150   M    M   0        19  40
22  91  78  85   3   0  20 0.06  0.0    0  6.9 18  60   M    M   6 1      23  10
23  90  79  85   3   0  20 0.28  0.0    0 10.3 22  80   M    M   3 18     27  80
24  83  76  80  -2   0  15 0.41  0.0    0  4.7 22 160   M    M   4 1      28 160
25  91  78  85   3   0  20 0.14  0.0    0  7.4 24  70   M    M   3 18     31 110
================================================================================
SM 2198 1929         0 444 13.35     0.0 157.5          M       77
================================================================================
AV 87.9 77.2                               6.3 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 24  60               # 32  150
================================================================================
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:    SEPTEMBER
                                          YEAR:     2017
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

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

AVERAGE MONTHLY: 82.5   TOTAL FOR MONTH:  13.35    1 = FOG OR MIST
DPTR FM NORMAL:   1.2   DPTR FM NORMAL:    1.20    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON 25,22 GRTST 24HR  3.65 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     75 ON 14,13                            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:  21
MAX 90 OR ABOVE:  11    0.10 INCH OR MORE:  16
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   6
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  15
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   444
DPTR FM NORMAL    44    [PRESSURE DATA]
TOTAL FM JAN 1  4826    HIGHEST SLP 29.88 ON  1
DPTR FM NORMAL   439    LOWEST  SLP 29.78 ON  1

[REMARKS]


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