WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA

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CXUS51 KLWX 010915
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     JANUARY
                                          YEAR:      2024
                                          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  43  38  41   3  24   0    T    T    0  8.2 17 340   M    M   9        22 340
 2  47  33  40   2  25   0 0.00  0.0    0 11.6 21 330   M    M   5        30 330
 3  48  34  41   3  24   0 0.00  0.0    M  5.6 13 320   M    M   7        20 340
 4  47  32  40   2  25   0 0.00  0.0    0 11.1 25 340   M    M   7        33 340
 5  41  27  34  -4  31   0 0.00  0.0    0  6.7 14 340   M    M   4        17 340
 6  40  33  37  -1  28   0 1.02    T    0  9.8 24  60   M    M  10 14     33  60
 7  53  34  44   6  21   0 0.00  0.0    M 10.9 24 290   M    M   6 1      40 300
 8  51  37  44   6  21   0 0.00  0.0    0  6.5 15 340   M    M   6        22 330
 9  59  39  49  11  16   0 2.24  0.0    0 13.8 36 150   M    M  10 1      52 150
10  57  41  49  11  16   0    T  0.0    0 12.9 26 270   M    M   7        41 280
11  52  33  43   6  22   0 0.00  0.0    0  6.8 15 190   M    M   2        21 190
12  54  34  44   7  21   0 0.33  0.0    0  8.1 21 110   M    M   6 1      31 110
13  55  34  45   8  20   0 0.04  0.0    0 13.1 32 270   M    M   6 1      48 260
14  50  31  41   4  24   0    T    T    0 13.9 35 240   M    M   3        52 250
15  31  25  28  -9  37   0 0.31  3.4    T  4.8 15 350   M    M  10 1      19 360
16  32  20  26 -11  39   0 0.04  0.7    3 13.1 26 320   M    M   8 16     38 330
17  30  16  23 -14  42   0 0.00  0.0    2  7.9 17 220   M    M   1        24 210
18  40  22  31  -6  34   0 0.00  0.0    2  3.8 10 210   M    M   8        13 210
19  34  29  32  -5  33   0 0.28  3.7    4  8.7 16 320   M    M   9 128    23 330
20  29  21  25 -12  40   0 0.00  0.0    5 12.7 28 330   M    M   5        39 320
21  34  21  28  -9  37   0 0.00  0.0    4 11.9 25 310   M    M   2        37 290
22  39  21  30  -7  35   0 0.00  0.0    4  4.6 13 200   M    M   3        17 220
23  45  29  37   0  28   0 0.00  0.0    3  2.9 10 180   M    M   8        13 190
24  51  37  44   7  21   0    T  0.0    0  3.6  8 350   M    M  10 8       9  50
25  65  44  55  18  10   0 0.10  0.0    0  3.2  9 170   M    M  10 12     11 160
26  80  52  66  29   0   1 0.05  0.0    0  8.7 20 170   M    M   8 12     24 260
27  61  42  52  15  13   0 0.21  0.0    0  4.9 15 110   M    M   7 1      21  90
28  46  42  44   7  21   0 1.26  0.0    0 10.1 18  50   M    M  10 1      23  40
29  48  41  45   8  20   0 0.00  0.0    0 15.6 28 330   M    M   8        38 330
30  44  39  42   4  23   0 0.00  0.0    0  7.0 14 130   M    M  10        18 130
31  44  37  41   3  24   0    T    T    0  4.3 12  30   M    M   9        16  40
================================================================================
SM 1450 1018       775   1  5.88  7.8    266.8          M      214
================================================================================
AV 46.8 32.8                               8.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    36 150               # 52 150
================================================================================
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:     JANUARY
                                          YEAR:      2024
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

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

AVERAGE MONTHLY: 39.8   TOTAL FOR MONTH:   5.88    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:    3.02    2 = FOG REDUCING VISIBILITY
HIGHEST:    80 ON 26    GRTST 24HR  2.24 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     16 ON 17                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.8 INCHES  5 = HAIL
                        GRTST 24HR   3.7 ON 19-19  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   5 ON 20     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:   4    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:  12    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3

[HDD (BASE 65) ]
TOTAL THIS MO.   775    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -79    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  1961    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -266

[CDD (BASE 65) ]
TOTAL THIS MO.     1
DPTR FM NORMAL     1    [PRESSURE DATA]
TOTAL FM JAN 1     1    HIGHEST SLP 30.66 ON 22
DPTR FM NORMAL     1    LOWEST  SLP 29.09 ON  9

[REMARKS]
#FINAL-01-24#


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