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000
CXUS51 KPHI 310800
CF6ABE
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ALLENTOWN PA
                                          MONTH:     DECEMBER
                                          YEAR:      2011
                                          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  51  31  41   4  24   0 0.00  0.0    0  6.9 21 330   M    M   0        25 340
 2  51  24  38   1  27   0 0.00  0.0    0  5.4 17 290   M    M   1 1      24 290
 3  48  25  37   1  28   0 0.00  0.0    0  2.1 10 350   M    M   0        10 120
 4  54  28  41   5  24   0 0.00  0.0    0  2.3 15 200   M    M   1        20 210
 5  58  32  45   9  20   0 0.00  0.0    0  1.9  9 170   M    M   8 128    12 170
 6  60  53  57  22   8   0 0.42  0.0    0  5.2 14 200   M    M  10 1      20 200
 7  59  36  48  13  17   0 1.72  0.0    0  6.4 22 320   M    M   9 1      30 320
 8  44  29  37   3  28   0 0.02    T    0  9.4 25 310   M    M   4 1      37 290
 9  48  27  38   4  27   0 0.00  0.0    0  3.4 13 190   M    M   2 18     17 210
10  42  23  33  -1  32   0 0.00  0.0    0  6.3 17 330   M    M   2 1      22 310
11  39  20  30  -4  35   0 0.00  0.0    0  1.1  8 270   M    M   0        14 280
12  40  18  29  -4  36   0 0.00  0.0    0  0.6  7 240   M    M   0 1      10 210
13  48  19  34   1  31   0 0.00  0.0    0  4.8 13 320   M    M   0 18     16 290
14  51  27  39   7  26   0    T  0.0    0  2.6  9 170   M    M   9        13 170
15  56  43  50  18  15   0    T  0.0    0  7.3 18 210   M    M   7        23 180
16  54  35  45  13  20   0 0.00  0.0    0 10.5 29 290   M    M   1        51 280
17  39  25  32   0  33   0 0.01    T    0  5.5 14 340   M    M   6 8      17 340
18  35  19  27  -4  38   0 0.00  0.0    0  4.1 14 320   M    M   1        17 340
19  48  19  34   3  31   0    T  0.0    0  6.0 16 240   M    M   4        21 240
20  48  38  43  12  22   0 0.08  0.0    0  4.5 13 350   M    M   9        17 350
21  55  38  47  16  18   0 0.31  0.0    0  3.3 20 250   M    M  10 12     26 260
22  56  41  49  19  16   0 0.14  0.0    0  7.0 16 260   M    M   5 1      21 290
23  48  30  39   9  26   0 0.43  0.0    0  6.9 17 320   M    M   9 1      23 320
24  38  22  30   0  35   0 0.00  0.0    0  4.3 13 290   M    M   4        17 290
25  45  22  34   4  31   0 0.00  0.0    0  4.6 15 240   M    M   4        20 260
26  47  27  37   8  28   0 0.00  0.0    0  8.2 21 300   M    M   4        30 300
27  52  26  39  10  26   0 1.05  0.0    0  6.6 23 240   M    M   4 1      31 250
28  42  28  35   6  30   0    T    T    0 13.8 30 290   M    M   8        44 280
29  33  21  27  -2  38   0 0.00  0.0    0  5.6 15 300   M    M   3        18 300
30  49  27  38   9  27   0 0.00  0.0    0  2.6 10  60   M    M   4 1      13  60
================================================================================
SM 1438  853       797   0  4.18    T    159.2          M      129
================================================================================
AV 47.9 28.4                               5.3 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 30 290               # 51  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:  ALLENTOWN PA
                                          MONTH:    DECEMBER
                                          YEAR:     2011
                                          LATITUDE:   40 39 N
                                          LONGITUDE:  75 26 W

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

AVERAGE MONTHLY: 38.2   TOTAL FOR MONTH:   4.18    1 = FOG OR MIST
DPTR FM NORMAL:   5.8   DPTR FM NORMAL:    0.69    2 = FOG REDUCING VISIBILITY
HIGHEST:    60 ON  6    GRTST 24HR  1.73 ON  7- 8      TO 1/4 MILE OR LESS
LOWEST:     18 ON 12                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON 28-28  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:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  23    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   797    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL  -181    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  1734    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -424

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1075    HIGHEST SLP M ON M
DPTR FM NORMAL   318    LOWEST  SLP 29.38 ON  7

[REMARKS]