WFO Monthly/Daily Climate Data
Issued by NWS Jacksonville, FL

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000
CXUS52 KJAX 081949
CF6SSI

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

                                          STATION:   ST SIMONS ISLAND
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   31  9 N
                                          LONGITUDE:  81 23 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  68  43  56  -2   9   0 0.00  0.0    0  2.3  9 320   M    M   1 1      13 340
 2  74  46  60   2   5   0 0.00  0.0    0  4.5 10 250   M    M   0        16 270
 3  76  53  65   7   0   0 0.00  0.0    0  5.5  9 220   M    M   0        12 220
 4  72  52  62   4   3   0 0.00  0.0    0  5.8 10 150   M    M   0 1      17 160
 5  72  52  62   4   3   0 0.00  0.0    0  3.7  8 130   M    M   2 12     12 210
 6  79  52  66   9   0   1 0.00  0.0    0  4.6 12 220   M    M   4 12     16 240
 7  73  60  67  10   0   2 0.00  0.0    0  4.6 13 220   M    M   5 1      19 220
 8  79  55  67  10   0   2 0.22  0.0    0  7.6 16 220   M    M   6 13     22 220
 9  65  50  58   1   7   0 0.00  0.0    0  5.8 15  20   M    M   7 1      22  20
10  70  52  61   4   4   0 0.00  0.0    0  4.6 10 120   M    M   3 1      14 150
11  77  63  70  13   0   5 0.00  0.0    0  7.6 14 220   M    M   1 1      23 190
12  68  57  63   7   2   0 0.02  0.0    0  8.2 18  40   M    M   4 1      24  30
13  69  49  59   3   6   0 0.00  0.0    0  6.9 15  20   M    M   2 1      19  20
14  68  54  61   5   4   0 0.00  0.0    0  9.4 18  40   M    M   6 1      24  30
15  71  58  65   9   0   0 0.00  0.0    0 11.3 21  40   M    M   5 1      30  40
16  74  62  68  12   0   3 0.00  0.0    0  4.0 10  30   M    M   8        14  30
17  76  65  71  15   0   6 0.00  0.0    0  4.0 10 140   M    M   6        14 130
18  76  64  70  15   0   5 0.04  0.0    0  5.5 13 230   M    M   2 12     20 180
19  76  59  68  13   0   3 0.02  0.0    0  6.4 21  40   M    M   6 1      32  30
20  59  48  54  -1  11   0    T  0.0    0 13.8 22  20   M    M  10 1      37  40
21  56  44  50  -5  15   0 0.84  0.0    0 11.1 20  50   M    M  10 1      28  50
22  61  44  53  -2  12   0 0.00  0.0    0  9.2 17 280   M    M   3        26 280
23  61  40  51  -4  14   0 0.00  0.0    0  7.3 17  30   M    M   0        23  10
24  68  42  55   1  10   0 0.00  0.0    0  2.5  8  70   M    M   0        12 140
25  74  51  63   9   2   0 0.00  0.0    0  7.6 18 250   M    M   0        25 250
26  77  57  67  13   0   2 0.00  0.0    0  6.2 13 250   M    M   2        17 260
27  75  57  66  12   0   1 0.00  0.0    0  6.3 15 280   M    M   2 12     22 280
28  73  59  66  12   0   1 0.00  0.0    0  5.9 12 210   M    M   3 1      18 150
29  79  60  70  16   0   5 0.00  0.0    0  7.8 16 220   M    M   2        21 210
30  78  66  72  18   0   7 0.01  0.0    0  9.9 18 210   M    M   4 1      29 220
31  82  68  75  21   0  10 0.00  0.0    0  8.3 15 250   M    M   4 1      21 230
================================================================================
SM 2226 1682       107  53  1.15  0.0    208.2          M      108
================================================================================
AV 71.8 54.3                               6.7 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    22  20                 37  40
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ST SIMONS ISLAND
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   31  9 N
                                          LONGITUDE:  81 23 W

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

AVERAGE MONTHLY: 63.0   TOTAL FOR MONTH:   1.15    1 = FOG OR MIST
DPTR FM NORMAL:   7.3   DPTR FM NORMAL:   -1.60    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON 31    GRTST 24HR  0.84 ON 21-21      TO 1/4 MILE OR LESS
LOWEST:     40 ON 23                               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:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   107    CLEAR  (SCALE 0-3)  17
DPTR FM NORMAL  -195    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1   299    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -172

[CDD (BASE 65) ]
TOTAL THIS MO.    53
DPTR FM NORMAL    38    [PRESSURE DATA]
TOTAL FM JAN 1  2890    HIGHEST SLP 30.42 ON 14
DPTR FM NORMAL    44    LOWEST  SLP 29.71 ON 21

[REMARKS]
#FINAL-12-21#


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