000
CXUS55 KLOT 010700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     OCTOBER
                                          YEAR:      2012
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 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  66  47  57  -1   8   0 0.00  0.0    0  4.8 13  60   M    M   9        16  50
 2  69  53  61   3   4   0 0.00  0.0    0  9.9 18  50   M    M   7        30  50
 3  63  59  61   4   4   0 0.26  0.0    0  4.8 10 220   M    M  10 1      13  70
 4  77  48  63   6   2   0 0.12  0.0    0 11.7 23 220   M    M   6 1      30 220
 5  50  39  45 -11  20   0 0.00  0.0    0  8.9 22 280   M    M   8        26 280
 6  50  34  42 -14  23   0 0.00  0.0    0  9.8 18 310   M    M   6         M 300
 7  51  36  44 -12  21   0 0.00  0.0    0  7.6 16 310   M    M   6        29 290
 8  60  32  46  -9  19   0 0.00  0.0    0 13.8 24 210   M    M   3        31 210
 9  65  42  54  -1  11   0 0.17  0.0    0 16.7 27 220   M    M   9 1      36 200
10  51  35  43 -11  22   0 0.00  0.0    0 12.7 21 300   M    M   2        28 280
11  67  35  51  -3  14   0 0.02  0.0    0 15.0 26 230   M    M   5        32 230
12  53  37  45  -9  20   0    T  0.0    0 10.6 17 360   M    M   3        20  60
13  67  44  56   2   9   0 0.21  0.0    0 12.6 20 210   M    M  10 1      28 200
14  71  48  60   7   5   0 0.77  0.0    0 15.6 32 320   M    M  10 138    45 210
15  60  41  51  -2  14   0 0.00  0.0    0  9.0 17 330   M    M   6        24 330
16  70  40  55   3  10   0 0.00  0.0    0 14.4 30 180   M    M   4        35 170
17  68  54  61   9   4   0 0.51  0.0    0 17.7 29 160   M    M   8 13     36 150
18  54  45  50  -2  15   0 0.07  0.0    0 15.1 25 200   M    M   9        35 200
19  52  43  48  -4  17   0 0.02  0.0    0  7.0 14 170   M    M   9        17 170
20  59  39  49  -2  16   0 0.00  0.0    0  7.2 14 260   M    M   5        20 290
21  68  37  53   2  12   0 0.00  0.0    0  6.5 13 160   M    M   1 1      17 150
22  65  49  57   7   8   0 0.81  0.0    0  6.5 21 110   M    M   8 138    24 120
23  70  57  64  14   1   0 0.06  0.0    0  7.0 14 190   M    M   8 13     18 190
24  78  58  68  18   0   3 0.00  0.0    0 11.2 21 200   M    M   7        21 180
25  75  45  60  10   5   0 0.13  0.0    0 17.6 24 320   M    M   7 1      30 320
26  51  37  44  -5  21   0 0.00  0.0    0  9.7 24 320   M    M   6        31 320
27  48  34  41  -8  24   0 0.00  0.0    0 10.5 17 340   M    M   5        29  40
28  49  38  44  -4  21   0 0.00  0.0    0 13.6 25  20   M    M   6        31  50
29  51  36  44  -4  21   0 0.00  0.0    0 15.0 24  10   M    M   5        30  30
30  48  39  44  -4  21   0 0.00  0.0    0 18.5 29 350   M    M  10        45 360
31  50  34  42  -5  23   0 0.00  0.0    0 13.8 21 340   M    M   7        26 320
================================================================================
SM 1876 1315       415   3  3.15     0.0 354.8          M      205
================================================================================
AV 60.5 42.4                              11.4 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 32 320               # 45  210
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  CHICAGO-OHARE
                                          MONTH:    OCTOBER
                                          YEAR:     2012
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 51.5   TOTAL FOR MONTH:   3.15    1 = FOG OR MIST
DPTR FM NORMAL:  -1.0   DPTR FM NORMAL:    0.00    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON 24    GRTST 24HR  0.81 ON 22-22      TO 1/4 MILE OR LESS
LOWEST:     32 ON  8                               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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   415    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL    18    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1   522    CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL     7

[CDD (BASE 65) ]
TOTAL THIS MO.     3
DPTR FM NORMAL    -8    [PRESSURE DATA]
TOTAL FM JAN 1  1324    HIGHEST SLP M ON M
DPTR FM NORMAL   481    LOWEST  SLP 29.31 ON 17

[REMARKS]
#FINAL-10-12#