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000
CXUS51 KLWX 011631
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          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  49  40  45   1  20   0 0.02  0.0    0 10.8 23 260   M    M   9        30 260
 2  50  36  43  -1  22   0 0.00  0.0    0 10.4 24 290   M    M   4        38 290
 3  54  31  43   0  22   0 0.00  0.0    0  4.0 14 210   M    M   6        19 170
 4  53  47  50   7  15   0 0.42  0.0    0  6.4 15 200   M    M  10 1      21 200
 5  49  43  46   3  19   0 0.82  0.0    0 15.7 30 330   M    M   9 1      42 330
 6  48  34  41  -1  24   0 0.00  0.0    0 12.7 25 340   M    M   5        48 340
 7  42  32  37  -5  28   0 0.00  0.0    0  8.3 17 310   M    M   7        26 310
 8  47  33  40  -2  25   0 0.00  0.0    0 13.5 23 320   M    M   1        35 290
 9  45  30  38  -3  27   0 0.00  0.0    0  5.2 13 200   M    M   6        18 290
10  51  32  42   1  23   0 0.00  0.0    0  2.7 12 170   M    M   1 18     13 170
11  61  35  48   7  17   0 0.00  0.0    0  5.7 16 200   M    M   4 1      24 180
12  63  40  52  12  13   0    T  0.0    0  7.7 18 200   M    M   7 12     25 190
13  66  44  55  15  10   0 0.00  0.0    0  8.9 16  10   M    M   6        19  10
14  46  37  42   2  23   0 1.06  0.0    0 10.7 23 340   M    M   9 1      30 330
15  43  32  38  -2  27   0 0.00  0.0    0  7.7 15 330   M    M   6        19 340
16  37  32  35  -4  30   0 1.11    T    0 14.3 25  10   M    M  10 14     33 300
17  41  28  35  -4  30   0 0.01    T    0 10.0 23 330   M    M   4 1      33 310
18  39  29  34  -5  31   0    T    T    0  7.0 13  20   M    M   9        15  10
19  37  28  33  -6  32   0 0.00  0.0    0  4.9 10  50   M    M   8        12  40
20  44  35  40   2  25   0    T  0.0    0  6.8 20 170   M    M   9        25 160
21  46  40  43   5  22   0 0.03  0.0    0  5.8 12 180   M    M   9 18     14 170
22  51  39  45   7  20   0 0.01  0.0    0 11.1 31 290   M    M   6 1      43 300
23  48  32  40   2  25   0 0.00  0.0    0  6.5 16 170   M    M   6        20 170
24  62  42  52  14  13   0 1.30  0.0    0  9.8 25 250   M    M  10 1      35 250
25  57  24  41   4  24   0 0.18    T    0 12.9 25 320   M    M   9 1      34 330
26  37  23  30  -7  35   0 0.00  0.0    0  8.9 16 260   M    M   5        24 250
27  43  26  35  -2  30   0 0.00  0.0    0  5.9 14 180   M    M   7        18 170
28  52  35  44   7  21   0 0.00  0.0    0  9.1 21 330   M    M   6        26 340
29  43  32  38   1  27   0 0.00  0.0    0 11.2 28 330   M    M   2        37 330
30  46  31  39   2  26   0 0.00  0.0    0 10.6 22 200   M    M   8        30 200
31  55  41  48  12  17   0    T  0.0    0 11.4 21 200   M    M  10        30 170
================================================================================
SM 1505 1063       723   0  4.96    T    276.6          M      208
================================================================================
AV 48.5 34.3                               8.9 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    31 290                 48 340
================================================================================
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:      2020
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

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

AVERAGE MONTHLY: 41.4   TOTAL FOR MONTH:   4.96    1 = FOG OR MIST
DPTR FM NORMAL:   1.7   DPTR FM NORMAL:    1.91    2 = FOG REDUCING VISIBILITY
HIGHEST:    66 ON 13    GRTST 24HR  1.48 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     23 ON 26                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            5 = HAIL
                        GRTST 24HR   T   ON 16-16  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:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.   723    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -63    PTCLDY (SCALE 4-7)  17
TOTAL FM JUL 1  1188    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -291

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1760    HIGHEST SLP 30.59 ON 30
DPTR FM NORMAL   211    LOWEST  SLP 29.39 ON 24

[REMARKS]
#FINAL-12-20#