WFO Monthly/Daily Climate Data
Issued by NWS Mt. Holly, NJ

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CXUS51 KPHI 011408
CF6ABE
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ALLENTOWN PA
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   40 39 N
                                          LONGITUDE:  75 26 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  65  40  53  -5  12   0 0.00  0.0    0 11.4 18 330   M    M   3        36 310
 2  86  47  67   9   0   2    T  0.0    0  9.8 26 230   M    M   1        34 220
 3  67  54  61   3   4   0 0.35  0.0    0  7.7 15 110   M    M   7 1      21 110
 4  80  54  67   9   0   2 0.07  0.0    0  4.9 13 150   M    M   8 1      17 150
 5  67  50  59   0   6   0 0.29  0.0    0  8.0 21 330   M    M   9 18     28 340
 6  63  46  55  -4  10   0 0.00  0.0    0  8.2 20 330   M    M   2        25 330
 7  65  39  52  -8  13   0    T  0.0    0  5.3 16  60   M    M   5        20  50
 8  56  43  50 -10  15   0 0.35  0.0    0  7.3 17 320   M    M   8 1      24 300
 9  55  38  47 -13  18   0 0.12  0.0    0  7.4 18 240   M    M   4 1      22 240
10  61  45  53  -7  12   0 0.01  0.0    0  5.8 17 330   M    M   7 1      21 310
11  63  39  51 -10  14   0    T  0.0    0  8.0 28 240   M    M   3        37 240
12  67  38  53  -8  12   0 0.00  0.0    0  8.8 20 360   M    M   1        26 340
13  70  39  55  -6  10   0 0.00  0.0    0  4.6 18 350   M    M   2        23 350
14  74  40  57  -5   8   0 0.00  0.0    0  3.2 17 360   M    M   1        21  10
15  77  42  60  -2   5   0 0.00  0.0    0  3.9 14 190   M    M   1        20 170
16  71  48  60  -2   5   0 0.00  0.0    0  4.1 16  50   M    M   3        20 190
17  76  43  60  -2   5   0 0.00  0.0    0  3.7 13 240   M    M   1        18 180
18  81  46  64   1   1   0 0.00  0.0    0  5.9 17 240   M    M   1        22 230
19  89  49  69   6   0   4 0.00  0.0    0  4.0 12 230   M    M   1        15 290
20  83  56  70   7   0   5 0.00  0.0    0  6.6 12 170   M    M   0        18 120
21  87  52  70   6   0   5 0.00  0.0    0  6.5 16 230   M    M   0        22 230
22  87  62  75  11   0  10 0.00  0.0    0  6.4 14 260   M    M   1        21 290
23  90  64  77  13   0  12 0.00  0.0    0  9.2 21 360   M    M   3        26 300
24  69  58  64   0   1   0 0.00  0.0    0  9.4 22  60   M    M   9        28  60
25  76  57  67   2   0   2 0.00  0.0    0  8.2 16 230   M    M   7        24 220
26  91  61  76  11   0  11 0.09  0.0    0  6.4 21 220   M    M   6 38     30 280
27  82  59  71   6   0   6    T  0.0    0  8.1 16 260   M    M   1        24 310
28  71  49  60  -6   5   0 1.23  0.0    0 12.7 23  80   M    M   8 1      30  80
29  50  45  48 -18  17   0 0.45  0.0    0 14.8 21  60   M    M  10 18     27  40
30  51  45  48 -18  17   0 0.60  0.0    0  8.2 17  60   M    M  10 13     21  50
31  73  47  60  -6   5   0 0.00  0.0    0  6.7 18 350   M    M   4        23 340
================================================================================
SM 2243 1495       195  59  3.56  0.0    225.2          M      127
================================================================================
AV 72.4 48.2                               7.3 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    28 240                 37 240
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ALLENTOWN PA
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   40 39 N
                                          LONGITUDE:  75 26 W

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

AVERAGE MONTHLY: 60.3   TOTAL FOR MONTH:   3.56    1 = FOG OR MIST
DPTR FM NORMAL:  -1.7   DPTR FM NORMAL:   -0.09    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON 26    GRTST 24HR  1.67 ON 28-29      TO 1/4 MILE OR LESS
LOWEST:     38 ON 12, 9                             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:  10
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   195    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL    44    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  5263    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL   -12

[CDD (BASE 65) ]
TOTAL THIS MO.    59
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1    65    HIGHEST SLP 30.53 ON 21
DPTR FM NORMAL    -3    LOWEST  SLP 29.64 ON  5

[REMARKS]
#FINAL-05-21#
RERUN TO POPULATE MISSING SNOWFALL AND SNOW DEPTH VALUES.


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