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000
CXUS51 KLWX 011053
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 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  57  32  45   0  20   0    T  0.0    0  4.7 15 210   M    M   5        20 210
 2  65  44  55  10  10   0 0.00  0.0    0 10.0 26 320   M    M   9        36 320
 3  62  43  53   8  12   0 0.00  0.0    0 10.1 24 300   M    M   7        37 310
 4  60  41  51   7  14   0 0.00  0.0    0  3.4 14 330   M    M   8        17 330
 5  53  37  45   1  20   0 0.00  0.0    0  3.5 10 110   M    M   6        13 120
 6  70  43  57  13   8   0 0.00  0.0    0 14.5 37 310   M    M   9        57 320
 7  45  34  40  -4  25   0 0.00  0.0    0  7.6 21 290   M    M   7        29 300
 8  45  37  41  -2  24   0    T  0.0    0  6.6 21 300   M    M   8        28 320
 9  44  31  38  -5  27   0 0.00  0.0    0  7.2 15 160   M    M   7        20 170
10  55  39  47   4  18   0 0.01  0.0    0  5.3 16 190   M    M  10        20 170
11  70  48  59  16   6   0 0.16  0.0    0 15.3 31 300   M    M  10        46 310
12  51  37  44   2  21   0 0.00  0.0    0  9.1 24 320   M    M   3        40 290
13  52  32  42   0  23   0 0.00  0.0    0  5.1 12 170   M    M   4        15 170
14  60  35  48   6  17   0 0.00  0.0    0  2.6  9  60   M    M   5        13  60
15  59  35  47   5  18   0 0.00  0.0    0  3.7  9 210   M    M   6        14 200
16  67  46  57  15   8   0 0.00  0.0    0  9.9 18 200   M    M   7        24 210
17  65  54  60  19   5   0    T  0.0    0  7.7 16 330   M    M  10        22 330
18  56  50  53  12  12   0    T  0.0    0  4.8 13  60   M    M  10 1      15  50
19  58  33  46   5  19   0    T  0.0    0 16.5 28 330   M    M   8        37 340
20  41  28  35  -6  30   0 0.00  0.0    0  6.9 13  50   M    M   2        15 340
21  43  30  37  -3  28   0 0.07  0.0    0  4.1 13 120   M    M  10 18     15 130
22  51  33  42   2  23   0 0.02  0.0    0 11.3 24 330   M    M   5 18     37 280
23  42  28  35  -5  30   0 0.00  0.0    0  7.9 16 190   M    M   2        21 180
24  54  39  47   7  18   0 0.00  0.0    0  6.2 20 190   M    M   8        27 220
25  68  48  58  18   7   0 0.07  0.0    0  9.1 23 340   M    M   9        31 330
26  62  43  53  13  12   0 0.00  0.0    0  8.1 17  10   M    M   2        22 360
27  45  39  42   3  23   0    T  0.0    0  6.1 15  50   M    M   9        18  50
28  58  40  49  10  16   0    T  0.0    0  4.4 14 350   M    M   9        17 350
29  55  47  51  12  14   0 0.12  0.0    0  4.6 15  30   M    M  10 1      18 360
30  54  47  51  12  14   0 0.15  0.0    0  3.4  9  50   M    M  10 1      11  70
31  59  50  55  16  10   0 0.03  0.0    0  5.9 15 190   M    M  10 1      18 190
================================================================================
SM 1726 1223       532   0  0.63  0.0    225.6          M      225
================================================================================
AV 55.7 39.5                               7.3 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    37 310                 57 320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     DECEMBER
                                          YEAR:      2021
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

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

AVERAGE MONTHLY: 47.6   TOTAL FOR MONTH:   0.63    1 = FOG OR MIST
DPTR FM NORMAL:   5.9   DPTR FM NORMAL:   -2.78    2 = FOG REDUCING VISIBILITY
HIGHEST:    70 ON 11, 6  GRTST 24HR  0.27 ON 29-30      TO 1/4 MILE OR LESS
LOWEST:     28 ON 23,20                             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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   6    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   532    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL  -192    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  1090    CLOUDY (SCALE 8-10) 15
DPTR FM NORMAL  -280

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1875    HIGHEST SLP 30.62 ON 15
DPTR FM NORMAL   138    LOWEST  SLP 29.53 ON 25

[REMARKS]
#FINAL-12-21#