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

                                          STATION:   CHICAGO-OHARE IL
                                          MONTH:     OCTOBER
                                          YEAR:      2010
                                          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  73  48  61   3   4   0 0.08  0.0    0  6.2 17 360   M    M   4 1      23  10
 2  57  45  51  -7  14   0 0.26  0.0    0 15.4 29  10   M    M   8 1      35  10
 3  56  42  49  -8  16   0 0.08  0.0    0 11.3 22  50   M    M   6 1      31  30
 4  60  38  49  -8  16   0 0.00  0.0    0  3.6 10  60   M    M   4        20  60
 5  68  39  54  -3  11   0 0.00  0.0    0  3.5 12 320   M    M   0        16  70
 6  78  46  62   6   3   0 0.00  0.0    0  7.9 16 250   M    M   1        23 240
 7  76  49  63   7   2   0 0.00  0.0    0  6.2 13 310   M    M   0        17 330
 8  79  48  64   9   1   0 0.00  0.0    0  7.3 16 250   M    M   1        22 250
 9  86  55  71  16   0   6 0.00  0.0    0  3.6 10 200   M    M   1 1      18  40
10  84  57  71  16   0   6 0.00  0.0    0  4.1 14 220   M    M   5 1      20 220
11  82  54  68  14   0   3 0.00  0.0    0  4.0 15  40   M    M   6         M  M
12  76  52  64  10   1   0 0.00  0.0    0  3.9 12  60   M    M   6        25  60
13  66  47  57   4   8   0 0.10  0.0    0  8.6 21 340   M    M   6 3      29  40
14  66  43  55   2  10   0 0.00  0.0    0  9.2 23 330   M    M   5        29 360
15  63  45  54   1  11   0 0.00  0.0    0  8.1 20 360   M    M   3        24  40
16  71  40  56   4   9   0 0.00  0.0    0  9.1 23 200   M    M   1 1      31 200
17  65  47  56   4   9   0 0.00  0.0    0  5.4 12 340   M    M   4        22  60
18  61  43  52   1  13   0 0.00  0.0    0  6.2 13  50   M    M   7 8      24  60
19  60  39  50  -1  15   0 0.00  0.0    0  7.2 16 280   M    M   5        22 280
20  70  44  57   7   8   0    T  0.0    0 12.1 25 330   M    M   4        32 280
21  56  38  47  -3  18   0 0.00  0.0    0 10.0 23 340   M    M   4        30 360
22  64  33  49  -1  16   0 0.02  0.0    0  6.5 15 210   M    M   2        20 210
23  65  54  60  11   5   0 0.10  0.0    0 11.4 30 210   M    M  10 1      38 220
24  72  54  63  14   2   0 0.05  0.0    0  9.6 22 220   M    M   8 13     31 210
25  72  56  64  16   1   0 0.00  0.0    0 12.4 26 180   M    M   7 1      36 170
26  70  54  62  14   3   0 0.24  0.0    0 26.3 38 180   M    M   8 13     51 220
27  65  43  54   6  11   0 0.00  0.0    0 23.2 41 230   M    M   3        55 260
28  46  39  43  -4  22   0    T  0.0    0 14.1 23 280   M    M  10        30 280
29  50  31  41  -6  24   0 0.00  0.0    0  8.9 17 210   M    M   6        23 220
30  63  42  53   7  12   0 0.00  0.0    0 13.3 22 240   M    M   5        31 240
31  52  36  44  -2  21   0 0.00  0.0    0  6.9 13  60   M    M   5        25  30
================================================================================
SM 2072 1401       286  15  0.93     0.0 285.5          M      145
================================================================================
AV 66.8 45.2                               9.2 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 41 230               # 55  260
================================================================================
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 IL
                                          MONTH:    OCTOBER
                                          YEAR:     2010
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 56.0   TOTAL FOR MONTH:   0.93    1 = FOG OR MIST
DPTR FM NORMAL:   3.9   DPTR FM NORMAL:   -1.78    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON  9    GRTST 24HR  0.26 ON  2- 2      TO 1/4 MILE OR LESS
LOWEST:     31 ON 29                               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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   286    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL  -115    PTCLDY (SCALE 4-7)  19
TOTAL FM JUL 1   356    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -172

[CDD (BASE 65) ]
TOTAL THIS MO.    15
DPTR FM NORMAL     5    [PRESSURE DATA]
TOTAL FM JAN 1  1181    HIGHEST SLP M ON M
DPTR FM NORMAL   351    LOWEST  SLP 28.93 ON 26

[REMARKS]
#FINAL-10-10#