000
CXUS55 KLOT 031715
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     SEPTEMBER
                                          YEAR:      2011
                                          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  93  71  82  12   0  17 0.00  0.0    0  5.9 16 210   M    M   2 18     23 220
 2  92  76  84  14   0  19 0.00  0.0    0  7.4 17 250   M    M   5 8      23 260
 3  89  69  79  10   0  14 0.02  0.0    0  6.2 20 320   M    M   7 138    24 320
 4  73  58  66  -3   0   1 0.00  0.0    0 11.5 22 330   M    M   6        28 320
 5  65  52  59 -10   6   0 0.00  0.0    0 14.8 26  10   M    M   4 8      35  20
 6  66  51  59  -9   6   0 0.00  0.0    0 10.1 20  40   M    M   4        29  50
 7  70  52  61  -7   4   0 0.00  0.0    0 10.8 23  50   M    M   4        30  40
 8  75  57  66  -2   0   1    T  0.0    0 12.4 25  50   M    M   8 8      33  60
 9  72  60  66  -1   0   1 0.02  0.0    0  8.3 15  30   M    M   9 1      25  60
10  78  56  67   0   0   2 0.00  0.0    0  3.1  9 140   M    M   5 1      14 110
11  83  57  70   3   0   5 0.00  0.0    0  5.5 14 280   M    M   3 1      20 270
12  86  64  75   9   0  10 0.00  0.0    0 10.9 22 220   M    M   4 8      28 250
13  73  56  65  -1   0   0 0.00  0.0    0  8.7 20 310   M    M   1 18     23 310
14  58  47  53 -12  12   0 0.08  0.0    0  7.3 16 340   M    M   6 18     25  10
15  59  42  51 -14  14   0 0.00  0.0    0  8.5 20  50   M    M   4        28  70
16  58  46  52 -13  13   0 0.00  0.0    0  3.3 13  60   M    M  10        17  60
17  68  50  59  -5   6   0 0.00  0.0    0  8.9 21 130   M    M   6        28 130
18  65  55  60  -4   5   0 0.43  0.0    0  9.5 15 190   M    M  10 1      20 180
19  69  54  62  -1   3   0 0.24  0.0    0  5.8 13 320   M    M   6 1      18  10
20  74  49  62  -1   3   0 0.00  0.0    0  7.3 16 160   M    M   5 1      18 160
21  71  56  64   2   1   0    T  0.0    0 11.0 23 240   M    M   5        30 260
22  64  51  58  -4   7   0 0.00  0.0    0  6.9 14 280   M    M   8        20  40
23  62  48  55  -6  10   0 0.00  0.0    0  7.0 13  60   M    M   7        25  60
24  62  51  57  -4   8   0 0.14  0.0    0  4.6 15  20   M    M   9 1      20  40
25  64  51  58  -3   7   0 0.08  0.0    0  5.5 15 140   M    M   9 1      16 140
26  60  53  57  -3   8   0 1.21  0.0    0 15.4 25 200   M    M  10 1      31 200
27  63  54  59  -1   6   0 0.31  0.0    0  8.3 18 130   M    M  10 1      23 120
28  63  53  58  -1   7   0 0.77  0.0    0  7.0 15 340   M    M   8 1      25  20
29  66  49  58  -1   7   0 0.06  0.0    0 13.5 33 290   M    M   8 1      46 290
30  57  45  51  -7  14   0 0.09  0.0    0 15.0 30 320   M    M   7        38 330
================================================================================
SM 2098 1633       147  70  3.45     0.0 260.4          M      190
================================================================================
AV 69.9 54.4                               8.7 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 33 290               # 46  290
================================================================================
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:    SEPTEMBER
                                          YEAR:     2011
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 62.2   TOTAL FOR MONTH:   3.45    1 = FOG OR MIST
DPTR FM NORMAL:  -2.4   DPTR FM NORMAL:    0.24    2 = FOG REDUCING VISIBILITY
HIGHEST:    93 ON  1    GRTST 24HR  1.28 ON 25-26      TO 1/4 MILE OR LESS
LOWEST:     42 ON 15                               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:   2    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   147    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL    42    PTCLDY (SCALE 4-7)  20
TOTAL FM JUL 1   147    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL    29

[CDD (BASE 65) ]
TOTAL THIS MO.    70
DPTR FM NORMAL   -22    [PRESSURE DATA]
TOTAL FM JAN 1  1022    HIGHEST SLP 30.40 ON 16
DPTR FM NORMAL   190    LOWEST  SLP 29.50 ON 26

[REMARKS]
#FINAL-09-11#