National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS52 TJSJ 010457
CF6IST
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CYRIL E. KING AP/ST THOMAS
                                          MONTH:     AUGUST
                                          YEAR:      2020
                                          LATITUDE:   18 19 N
                                          LONGITUDE:  64 58 W

  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  80  84   0   0  19    T  0.0    0  8.6 17 140   M    M   2        21 140
 2  88  80  84   0   0  19 0.00  0.0    0  7.8 15 140   M    M   1        18 140
 3  90  82  86   2   0  21    T  0.0    0 10.1 16 120   M    M   1        20 130
 4  89  82  86   2   0  21    T  0.0    0 10.4 18 130   M    M   1        23 130
 5  90  80  85   1   0  20 0.00  0.0    0  8.0 16 140   M    M   2        24 110
 6  89  80  85   1   0  20 0.02  0.0    0  9.7 17 130   M    M   0        22 130
 7  90  80  85   1   0  20 0.10  0.0    0 10.5 22  90   M    M   4        26 100
 8  93  82  88   4   0  23 0.00  0.0    0 12.4 23  80   M    M   1        29  80
 9  92  81  87   3   0  22 0.00  0.0    0 10.5 17  40   M    M   1        24  50
10  88  79  84   0   0  19 0.22  0.0    0  9.0 20  80   M    M   4 8      24  80
11  90  78  84   0   0  19 0.00  0.0    0 10.5 20 130   M    M   2        24 130
12  89  81  85   1   0  20 0.05  0.0    0 11.0 20 130   M    M   1        26 140
13  93  80  87   3   0  22    T  0.0    0 10.6 17 130   M    M   3        24  50
14  92  83  88   4   0  23    T  0.0    0 11.8 23  50   M    M   2        31  40
15  90  80  85   1   0  20 0.09  0.0    0  8.0 16  90   M    M   2        20  40
16  90  80  85   1   0  20 0.00  0.0    0  8.7 16 110   M    M   2        20 110
17  93  83  88   4   0  23 0.01  0.0    0 12.3 21 120   M    M   2 8      27 130
18  94  83  89   5   0  24 0.00  0.0    0 14.0 24 120   M    M   2        30 120
19  90  82  86   2   0  21 0.00  0.0    0 11.9 20 130   M    M   1        24 130
20  93  82  88   4   0  23 0.09  0.0    0 10.2 22  40   M    M   3 8      26  70
21  92  80  86   2   0  21 0.15  0.0    0 13.0 24  30   M    M   3 1      33  50
22  85  79  82  -2   0  17 0.40  0.0    0 19.2 35 130   M    M   6 18     42 180
23  89  82  86   2   0  21    T  0.0    0 11.9 21 120   M    M   2        25 100
24  89  77  83  -1   0  18 0.36  0.0    0  7.5 23  30   M    M   3        30  30
25  89  80  85   1   0  20 0.03  0.0    0 10.8 20 160   M    M   1        25 160
26  90  81  86   2   0  21 0.00  0.0    0 10.8 17 130   M    M   2        22  80
27  91  82  87   3   0  22 0.08  0.0    0 10.4 17  60   M    M   5 1      25  70
28  92  82  87   3   0  22 0.00  0.0    0 10.0 17  70   M    M   3        24  40
29  91  83  87   3   0  22 0.00  0.0    0 12.3 20  50   M    M   3        28  80
30  92  82  87   3   0  22    T  0.0    0 13.7 22  90   M    M   3        27  90
31  94  83  89   5   0  24 0.22  0.0    0 10.8 21  70   M    M   3        28 130
================================================================================
SM 2805 2509         0 649  1.82     0.0 336.4          M       71
================================================================================
AV 90.5 80.9                              10.9 FASTST   M    M   2    MAX(MPH)
                                 MISC ---->  # 35 130               # 42  180
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  CYRIL E. KING AP/ST THOMAS
                                          MONTH:    AUGUST
                                          YEAR:     2020
                                          LATITUDE:   18 19 N
                                          LONGITUDE:  64 58 W

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

AVERAGE MONTHLY: 85.7   TOTAL FOR MONTH:   1.82    1 = FOG OR MIST
DPTR FM NORMAL:   1.5   DPTR FM NORMAL:   -1.92    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 31,18 GRTST 24HR  0.40 ON 22-22      TO 1/4 MILE OR LESS
LOWEST:     77 ON 24                               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:  13
MAX 90 OR ABOVE:  21    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  25
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   649
DPTR FM NORMAL    54    [PRESSURE DATA]
TOTAL FM JAN 1  4252    HIGHEST SLP M ON M
DPTR FM NORMAL   261    LOWEST  SLP 29.77 ON 22

[REMARKS]
#FINAL-08-20#