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

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CXGM50 PGUM 010548
CF6GUM
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GUAM INTERNATIONAL AIRPORT
                                          MONTH:     SEPTEMBER
                                          YEAR:      2021
                                          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  78  83   1   0  18 0.12  0.0    0  6.4 14  70   M    M   2        15  70
 2  88  78  83   1   0  18 0.39  0.0    0  5.0 15  50   M    M   4        17  50
 3  87  79  83   1   0  18 0.20  0.0    0  7.9 20  90   M    M   4        28  90
 4  86  77  82   0   0  17 0.68  0.0    0  8.4 18 110   M    M   4        26 150
 5  87  77  82   0   0  17 0.14  0.0    0  9.2 20  70   M    M   4        23  90
 6  88  78  83   1   0  18 0.06  0.0    0  5.3 17  80   M    M   2        20  80
 7  88  78  83   1   0  18 0.08  0.0    0  9.9 24 100   M    M   4        32  90
 8  84  78  81  -1   0  16 0.36  0.0    0 10.0 18 120   M    M   6 3      29 140
 9  88  80  84   2   0  19 0.00  0.0    0  7.5 14  90   M    M   2        18  90
10  90  79  85   3   0  20 0.03  0.0    0  9.6 22  80   M    M   2 1      27 100
11  89  78  84   2   0  19 0.50  0.0    0  8.3 18  60   M    M   2        25  70
12  88  80  84   2   0  19 0.06  0.0    0  7.3 15 110   M    M   2        20 100
13  90  80  85   3   0  20 0.03  0.0    0  9.8 22  60   M    M   3        28  40
14  89  79  84   2   0  19 0.33  0.0    0 10.9 22  90   M    M   3        29  60
15  86  76  81  -1   0  16 0.57  0.0    0  5.4 17 100   M    M   4        21 140
16  87  76  82   0   0  17 0.07  0.0    0  4.1 20 360   M    M   2        25  10
17  88  76  82   0   0  17 0.10  0.0    0  3.5 12 110   M    M   4        17 110
18  88  79  84   2   0  19    T  0.0    0  5.3 13 110   M    M   3        20 160
19  88  77  83   1   0  18    T  0.0    0  4.1 13 280   M    M   2        18 270
20  90  78  84   2   0  19 0.00  0.0    0  6.3 13  90   M    M   3        17  90
21  90  78  84   2   0  19    T  0.0    0  6.0 14 360   M    M   2        18 360
22  90  76  83   1   0  18 1.30  0.0    0  7.9 22  40   M    M   4 3      25  70
23  82  76  79  -3   0  14 3.97  0.0    0  9.4 23 160   M    M   7 3      34 170
24  81  76  79  -3   0  14 1.41  0.0    0  8.5 21 160   M    M   8        31 160
25  84  76  80  -2   0  15 0.71  0.0    0  3.8 15 220   M    M   4        20 280
26  86  76  81  -1   0  16    T  0.0    0  3.9 13 350   M    M   3        15 350
27  88  76  82   0   0  17 0.00  0.0    0  5.3 14 150   M    M   1        18 150
28  88  77  83   1   0  18 0.00  0.0    0  4.5 13 140   M    M   3        16 150
29  88  77  83   1   0  18 0.00  0.0    0  2.7 10 120   M    M   3        13 140
30  90  78  84   2   0  19 0.50  0.0    0  5.5 16  70   M    M   2 1      21  80
================================================================================
SM 2623 2327         0 530 11.61  0.0    201.7          M       99
================================================================================
AV 87.4 77.6                               6.7 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    24 100                 34 170
================================================================================
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:      2021
                                          LATITUDE:   13 29 N
                                          LONGITUDE: 144-48 E

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

AVERAGE MONTHLY: 82.5   TOTAL FOR MONTH:  11.61    1 = FOG OR MIST
DPTR FM NORMAL:   1.0   DPTR FM NORMAL:   -3.56    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 30,22  GRTST 24HR  4.19 ON 22-23      TO 1/4 MILE OR LESS
LOWEST:     76 ON 27,26                             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:   6    0.10 INCH OR MORE:  15
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   8
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   530
DPTR FM NORMAL    35    [PRESSURE DATA]
TOTAL FM JAN 1  4779    HIGHEST SLP 29.88 ON  1
DPTR FM NORMAL   218    LOWEST  SLP 29.78 ON  1

[REMARKS]
#FINAL-09-21#


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