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

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442
CXUS51 KPHI 170800
CF6PHL
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   PHILADELPHIA PA
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   39 52 N
                                          LONGITUDE:  75 15 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  54  40  47   5  18   0 0.00  0.0    0  7.8 17 360   M    M   3        22 340
 2  52  33  43   1  22   0 0.00  0.0    0  2.4 10  80   M    M   6        12  40
 3  52  36  44   3  21   0 0.00  0.0    0  2.9  9 280   M    M   7 18     14 310
 4  54  32  43   2  22   0 0.00  0.0    0  2.4  8 120   M    M   7 18     10  80
 5  63  46  55  14  10   0 0.16  0.0    0  9.3 18 210   M    M  10 1      23 210
 6  58  40  49   9  16   0    T  0.0    0 13.3 30 310   M    M   9        39 310
 7  47  37  42   2  23   0 0.00  0.0    0 11.5 21 250   M    M   6        26 290
 8  42  34  38  -2  27   0 0.00  0.0    0  5.9 12 320   M    M  10        16 330
 9  37  30  34  -5  31   0 0.37  4.1    0  7.0 14  10   M    M  10 1      22 350
10  40  28  34  -5  31   0    T    T    4 12.5 24 260   M    M   5 1      29 260
11  42  34  38  -1  27   0    T    T    2  8.0 17 260   M    M   8        21 260
12  46  24  35  -3  30   0 0.00  0.0    0 13.2 33 310   M    M   9        41 310
13  31  21  26 -12  39   0 0.06  1.4    0 16.9 32 270   M    M   3 1      42 270
14  37  25  31  -7  34   0    T    T    1  8.8 24 320   M    M   7 1      30 330
15  29  22  26 -11  39   0 0.16  2.2    0  4.6 13 260   M    M   8 1      18 280
16  42  21  32  -5  33   0 0.00  0.0    2 11.6 25 240   M    M   6        31 240
================================================================================
SM  726  503       423   0  0.75     7.7 138.1          M      114
================================================================================
AV 45.4 31.4                               8.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 33 310               # 42  270
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  PHILADELPHIA PA
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   39 52 N
                                          LONGITUDE:  75 15 W

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

AVERAGE MONTHLY: 38.4   TOTAL FOR MONTH:   0.75    1 = FOG OR MIST
DPTR FM NORMAL:  -1.1   DPTR FM NORMAL:   -1.22    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON  5    GRTST 24HR  0.37 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     21 ON 16,13                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.7 INCHES  5 = HAIL
                        GRTST 24HR   4.1 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   4 ON 10     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:   4
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   8    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   423    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL    15    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  1058    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -166

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1490    HIGHEST SLP M ON M
DPTR FM NORMAL   189    LOWEST  SLP 29.45 ON 12

[REMARKS]



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