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

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CXUS51 KLWX 011438
CF6MRB
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   MARTINSBURG WV
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   39 24 N
                                          LONGITUDE:  77 58 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  47  30  39  -9  26   0 0.24    M    M 15.2 28 330   M    M   7 18     39 340
 2  44  26  35 -13  30   0 0.00    M    M 15.0 28 300   M    M   1        37 290
 3  56  23  40  -8  25   0 0.00    M    M  4.0 12 300   M    M   1        15 270
 4  71  38  55   6  10   0 0.00    M    M  9.2 23 310   M    M   3        31 320
 5  74  37  56   7   9   0 0.00    M    M  4.7 16 290   M    M   1        20 300
 6  77  47  62  13   3   0 0.00    M    M  2.1 10  30   M    M   2        13 100
 7  81  45  63  13   2   0 0.00    M    M  3.2 14  30   M    M   2        17  30
 8  72  53  63  13   2   0    T    M    M  8.6 20 150   M    M   4        24 150
 9  57  50  54   4  11   0 0.40    M    M  4.1 10 110   M    M  10 1      14 110
10  67  54  61  10   4   0 0.32    M    M  4.4 12 160   M    M   9 1      17 150
11  75  58  67  16   0   2 1.07    M    M  5.9 16 280   M    M   7 13     21 280
12  63  49  56   5   9   0 0.17    M    M  3.7 22 280   M    M   9 1      31 280
13  68  47  58   6   7   0 0.00    M    M  3.8 10  70   M    M   6 18     14  70
14  58  46  52   0  13   0 0.14    M    M  3.0  8 190   M    M   9 1      11 140
15  59  44  52   0  13   0 0.00    M    M 10.1 23 280   M    M   5 1      28 270
16  54  41  48  -5  17   0 0.00    M    M 12.8 23 270   M    M   7        36 320
17  58  41  50  -3  15   0 0.00    M    M  6.8 18 290   M    M   6        22 280
18  61  33  47  -6  18   0 0.00    M    M  3.2 14 240   M    M   4        17 240
19  66  41  54   0  11   0 0.00    M    M  2.8 10 150   M    M   4        14 110
20  75  42  59   5   6   0 0.00    M    M  7.2 17 140   M    M   1        26 160
21  60  36  48  -6  17   0    T    M    M 13.4 33 280   M    M   3        40 340
22  50  34  42 -12  23   0    T    M    M 13.7 26 270   M    M   6        37 320
23  65  32  49  -6  16   0 0.00    M    M  9.2 21 250   M    M   1        26 270
24  62  33  48  -7  17   0 0.56    M    M  3.9 16 190   M    M   3 1      23 170
25  64  47  56   1   9   0 0.07    M    M 10.7 22 330   M    M   7 1      28 300
26  69  41  55  -1  10   0 0.00    M    M  7.3 22 320   M    M   0        27 330
27  87  41  64   8   1   0 0.00    M    M  3.9 18 270   M    M   0        24 250
28  86  60  73  17   0   8 0.00    M    M  9.8 23 280   M    M   1        31 280
29  76  65  71  15   0   6 0.14    M    M  7.4 33 280   M    M   7 8      46 270
30  69  47  58   1   7   0 0.03    M    M 20.2 44 280   M    M   5        61 280
================================================================================
SM 1971 1281       331  16  3.14    M    229.3          M      131
================================================================================
AV 65.7 42.7                               7.6 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    44 280                 61 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   MARTINSBURG WV
                                          MONTH:     APRIL
                                          YEAR:      2021
                                          LATITUDE:   39 24 N
                                          LONGITUDE:  77 58 W

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

AVERAGE MONTHLY: 54.2   TOTAL FOR MONTH:   3.14    1 = FOG OR MIST
DPTR FM NORMAL:   1.8   DPTR FM NORMAL:   -0.20    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON 27    GRTST 24HR  1.39 ON 10-11      TO 1/4 MILE OR LESS
LOWEST:     23 ON  3                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:   8
MIN 32 OR BELOW:   4    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   331    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL   -56    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  4525    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -530

[CDD (BASE 65) ]
TOTAL THIS MO.    16
DPTR FM NORMAL     8    [PRESSURE DATA]
TOTAL FM JAN 1    16    HIGHEST SLP 30.48 ON  3
DPTR FM NORMAL     7    LOWEST  SLP 29.40 ON 11

[REMARKS]
#FINAL-04-21#


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