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

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815
CXUS51 KPHI 120815
CF6ABE
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ALLENTOWN PA
                                          MONTH:     MAY
                                          YEAR:      2025
                                          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  79  40  60   2   5   0 0.00  0.0    0  7.4 18 140   M    M   4        25 140
 2  83  54  69  11   0   4 0.40  0.0    0  6.9 29 260   M    M   4 13     44 250
 3  80  57  69  11   0   4 0.86  0.0    0  5.6 22 240   M    M   3 123    29 230
 4  70  63  67   9   0   2 0.09  0.0    0  5.8 12 160   M    M  10 1      15 150
 5  68  59  64   5   1   0 0.42  0.0    0 10.1 17  90   M    M  10 1      22 110
 6  74  52  63   4   2   0 0.90  0.0    0  6.4 30 230   M    M   8 13     42 230
 7  74  49  62   2   3   0 0.00  0.0    0  5.5 16 240   M    M   3        22 220
 8  78  51  65   5   0   0 0.28  0.0    0  5.8 17  20   M    M   4 1      23  10
 9  57  48  53  -7  12   0 1.52  0.0    0  8.1 15 310   M    M  10 1      22  70
10  73  47  60   0   5   0    T  0.0    0  9.1 18 320   M    M   2        26 310
11  76  43  60  -1   5   0 0.00  0.0    0  4.9 14 340   M    M   0        18 340
================================================================================
SM  812  563        33  10  4.47  0.0     75.6          M       58
================================================================================
AV 73.8 51.2                               6.9 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->    30 230                 44 250
================================================================================
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:      2025
                                          LATITUDE:   40 39 N
                                          LONGITUDE:  75 26 W

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

AVERAGE MONTHLY: 62.5   TOTAL FOR MONTH:   4.47    1 = FOG OR MIST
DPTR FM NORMAL:   3.3   DPTR FM NORMAL:    3.21    2 = FOG REDUCING VISIBILITY
HIGHEST:    83 ON  2    GRTST 24HR  1.77 ON  8- 9      TO 1/4 MILE OR LESS
LOWEST:     40 ON  1                               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:   7
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.    33    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -42    PTCLDY (SCALE 4-7)   5
TOTAL FM JUL 1  5071    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -128

[CDD (BASE 65) ]
TOTAL THIS MO.    10
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1    11    HIGHEST SLP M ON M
DPTR FM NORMAL    -8    LOWEST  SLP 29.81 ON  3

[REMARKS]