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:     MAY
                                          YEAR:      2018
                                          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  79  83   1   0  18 0.84  0.0    0 13.7 24  80   M    M   4 138    30  80
 2  90  80  85   3   0  20    T  0.0    0 14.2 23  80   M    M   3        30  90
 3  90  82  86   4   0  21    T  0.0    0 14.1 23  90   M    M   4        28  80
 4  89  79  84   2   0  19 0.15  0.0    0 11.9 24  80   M    M   3 18     29  80
 5  91  79  85   3   0  20 0.02  0.0    0 12.7 21  50   M    M   4 1      27  50
 6  91  80  86   4   0  21    T  0.0    0 13.2 23  70   M    M   6        28  60
 7  91  79  85   3   0  20 0.06  0.0    0  9.6 18  60   M    M   5 1      24  60
 8  90  79  85   3   0  20 0.12  0.0    0 11.8 22  70   M    M   5 18     27  90
 9  88  80  84   2   0  19    T  0.0    0  8.8 16  80   M    M   2 1      20  40
10  90  79  85   3   0  20    T  0.0    0  7.6 14 100   M    M   1        20  70
11  89  77  83   1   0  18 0.75  0.0    0  3.5 12  80   M    M   5 1      14  80
12  90  75  83   1   0  18 0.00  0.0    0  4.1  9 310   M    M   2        13 350
13  89  77  83   1   0  18 0.00  0.0    0  4.5 14 290   M    M   2        17 320
14  90  75  83   1   0  18 0.00  0.0    0  4.2 13 100   M    M   1        17  50
15  91  81  86   4   0  21 0.00  0.0    0  5.7 14  80   M    M   4 3      17  80
16  90  80  85   2   0  20 0.21  0.0    0  4.3 14  80   M    M   4 1      17  90
17  87  76  82  -1   0  17 4.16  0.0    0  6.5 30  60   M    M   6 123    37  60
18  88  79  84   1   0  19 0.08  0.0    0  7.9 18 110   M    M   6 18     22  90
19  88  79  84   1   0  19 0.08  0.0    0  8.1 17  80   M    M   5 1      21  80
20  90  79  85   2   0  20 0.09  0.0    0  4.5 12 280   M    M   5 18     15 290
21  89  79  84   1   0  19    T  0.0    0  3.6 10  90   M    M   4        14 130
22  88  79  84   1   0  19 0.66  0.0    0  2.6 13  50   M    M   3 138    15  50
23  89  80  85   2   0  20 0.82  0.0    0  3.7 12 140   M    M   5 1      15 150
24  89  80  85   2   0  20 0.00  0.0    0  5.8 14 110   M    M   1        17 100
25  90  81  86   3   0  21 0.01  0.0    0  6.5 14 120   M    M   3 1      18  90
================================================================================
SM 2233 1973         0 485  8.05     0.0 193.1          M       93
================================================================================
AV 89.3 78.9                               7.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 30  60               # 37   60
================================================================================
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:    MAY
                                          YEAR:     2018
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

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

AVERAGE MONTHLY: 84.1   TOTAL FOR MONTH:   8.05    1 = FOG OR MIST
DPTR FM NORMAL:   1.7   DPTR FM NORMAL:    4.67    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON 15, 7 GRTST 24HR  4.16 ON 17-17      TO 1/4 MILE OR LESS
LOWEST:     75 ON 14,12                            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:  14
MAX 90 OR ABOVE:  13    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  17
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   485
DPTR FM NORMAL    47    [PRESSURE DATA]
TOTAL FM JAN 1  2631    HIGHEST SLP 29.91 ON  1
DPTR FM NORMAL   309    LOWEST  SLP 29.80 ON  1

[REMARKS]



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