Text Products for CF6 Issued by IAD

WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

895
CXUS51 KLWX 031925
CF6IAD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON DULLES DC
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 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  39  34  37   4  28   0 0.83  0.0    0  5.5 22 110   M    M  10 1      30 110
 2  56  35  46  13  19   0 0.00  0.0    0  6.7 22 290   M    M   9 12     30 300
 3  42  34  38   5  27   0 0.30  0.0    0  4.9 12 320   M    M   9 1      16 320
 4  44  28  36   3  29   0 0.00  0.0    0  3.7 10 350   M    M   7 12     14 340
 5  40  37  39   6  26   0 0.01  0.0    0  3.9 15 280   M    M  10 1      18 280
 6  41  34  38   5  27   0 0.00  0.0    0 10.4 22 330   M    M   9        32 330
 7  46  30  38   5  27   0 0.00  0.0    0  9.4 21 330   M    M   4        30 330
 8  39  29  34   1  31   0 0.00  0.0    0  6.9 13 340   M    M   9        18 330
 9  46  30  38   5  27   0 0.00  0.0    0 12.8 21 330   M    M   3        30 340
10  48  25  37   4  28   0 0.00  0.0    0  7.1 18 330   M    M   1        26 350
11  42  22  32  -1  33   0 0.00  0.0    0  1.1  7 200   M    M   5         9 200
12  49  20  35   2  30   0 0.00  0.0    0  1.7  9 310   M    M   1        12 300
13  51  22  37   4  28   0 0.00  0.0    0  2.5 12 190   M    M   1        15 190
14  56  24  40   7  25   0 0.00  0.0    0  2.5  8 350   M    M   4        13 310
15  52  27  40   7  25   0 0.11  0.0    0  6.4 16 140   M    M   8 1      23 110
16  46  29  38   5  27   0 0.00  0.0    0  7.2 16 310   M    M   5 1      21 310
17  47  28  38   5  27   0 0.00  0.0    0  7.9 14 200   M    M   8        18 220
18  45  29  37   4  28   0    T    T    0  7.7 25 290   M    M   7        34 290
19  51  26  39   6  26   0 0.00  0.0    0  6.6 21 280   M    M   5        31 300
20  43  22  33   0  32   0 0.01    T    T 10.5 30 290   M    M   6 8      41 280
21  54  19  37   4  28   0 0.00  0.0    0  5.9 15 240   M    M   3        23 250
22  49  26  38   5  27   0 0.00  0.0    0  8.7 24 310   M    M   3        33 300
23  38  24  31  -2  34   0 0.00  0.0    0 14.5 26 330   M    M   4        38 330
24  37  22  30  -3  35   0 0.00  0.0    0  6.1 16 300   M    M   7        24 320
25  38  31  35   2  30   0 0.17  0.2    0  4.2 10  90   M    M  10 16     15  70
26  37  31  34   0  31   0 0.14  0.0    0  1.9  9  10   M    M  10 16     12  70
27  44  33  39   5  26   0 0.00  0.0    0  9.0 20 330   M    M   8 12     29 320
28  35  26  31  -3  34   0 0.00  0.0    0 18.9 31 320   M    M   6        43 320
29  31  22  27  -7  38   0 0.00  0.0    0 15.9 28 320   M    M   7        40 300
30  39  19  29  -5  36   0 0.00  0.0    0  4.9 15 310   M    M   3        22 310
31  32  28  30  -4  35   0 0.31  3.0    1  7.7 17  70   M    M  10 16     24  60
================================================================================
SM 1357  846       904   0  1.88  3.2    223.1          M      192
================================================================================
AV 43.8 27.3                               7.2 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    31 320                 43 320
================================================================================
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 DULLES DC
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   38 57 N
                                          LONGITUDE:  77 27 W

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

AVERAGE MONTHLY: 35.5   TOTAL FOR MONTH:   1.88    1 = FOG OR MIST
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:   -0.80    2 = FOG REDUCING VISIBILITY
HIGHEST:    56 ON 14, 2  GRTST 24HR  1.03 ON  1- 2      TO 1/4 MILE OR LESS
LOWEST:     19 ON 30,21                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   3.2 INCHES  5 = HAIL
                        GRTST 24HR   3.0 ON 31-31  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON 31     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:   2    0.01 INCH OR MORE:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  25    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   904    CLEAR  (SCALE 0-3)   5
DPTR FM NORMAL   -82    PTCLDY (SCALE 4-7)  17
TOTAL FM JUL 1  2373    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL  -412

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.51 ON  1
DPTR FM NORMAL     0    LOWEST  SLP 29.49 ON 16

[REMARKS]
#FINAL-01-21#
National Weather Service National Headquarters
