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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     SEPTEMBER
                                          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  75  71  73   3   0   8    T  0.0    0 11.9 20  40   M    M  10        35  50
 2  82  73  78   8   0  13    T  0.0    0 10.7 17  40   M    M   8        29  40
 3  88  71  80  11   0  15 0.00  0.0    0  4.4 12  60   M    M   4 1      20  50
 4  90  66  78   9   0  13 0.64  0.0    0  8.6 36 320   M    M   5 13     47 340
 5  86  63  75   6   0  10 0.16  0.0    0  7.1 20 300   M    M   6 138    29 300
 6  86  68  77   9   0  12 0.00  0.0    0  6.6 15 310   M    M   2        26 260
 7  78  59  69   1   0   4 0.06  0.0    0  9.6 26 350   M    M   9 1      32 360
 8  73  54  64  -4   1   0 0.28  0.0    0 11.6 18 290   M    M   3 1      25 290
 9  72  55  64  -3   1   0 0.00  0.0    0  9.4 21 340   M    M   4        30  50
10  75  52  64  -3   1   0 0.00  0.0    0  6.5 14 180   M    M   3        20 160
11  83  52  68   1   0   3 0.00  0.0    0 11.5 23 200   M    M   2        29 200
12  86  63  75   9   0  10 0.00  0.0    0 10.3 20 200   M    M   4        25 190
13  71  54  63  -3   2   0 0.19  0.0    0 10.0 17 360   M    M   9 1      31  50
14  76  51  64  -1   1   0 0.00  0.0    0  7.7 15 310   M    M   5        24 260
15  79  50  65   0   0   0 0.00  0.0    0  4.0 12 140   M    M   2        14 130
16  77  49  63  -2   2   0 0.00  0.0    0  5.0 16 190   M    M   3        22 210
17  78  55  67   3   0   2 0.26  0.0    0  9.0 24 320   M    M   6 13     28  10
18  63  47  55  -9  10   0    T  0.0    0 12.2 22 340   M    M   5        26 340
19  73  41  57  -6   8   0 0.00  0.0    0 16.1 30 200   M    M   5        39 200
20  72  51  62  -1   3   0 0.00  0.0    0  8.9 22 290   M    M   8        31 310
21  60  48  54  -8  11   0 0.15  0.0    0  6.6 15 280   M    M  10 18     24  30
22  59  44  52 -10  13   0 0.02  0.0    0 11.0 26 300   M    M   5        33 310
23  61  40  51 -10  14   0 0.00  0.0    0  6.6 16 320   M    M   2        21 320
24  70  37  54  -7  11   0 0.00  0.0    0 11.5 21 210   M    M   2        26 210
25  77  49  63   2   2   0 0.00  0.0    0  9.1 17 200   M    M   4 8      21 190
26  68  53  61   1   4   0 0.00  0.0    0  9.8 18  20   M    M   6 1      31  50
27  65  46  56  -4   9   0 0.00  0.0    0  9.0 17  30   M    M   6        28  50
28  67  50  59   0   6   0    T  0.0    0  8.9 20  20   M    M   4        29  50
29  79  48  64   5   1   0 0.00  0.0    0  5.9 16  70   M    M   2        30  70
30  66  50  58   0   7   0 0.00  0.0    0  8.1 16  60   M    M   4        30  60
================================================================================
SM 2235 1610       107  90  1.76     0.0 267.6          M      148
================================================================================
AV 74.5 53.7                               8.9 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 36 320               # 47  340
================================================================================
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:     2012
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 64.1   TOTAL FOR MONTH:   1.76    1 = FOG OR MIST
DPTR FM NORMAL:  -0.5   DPTR FM NORMAL:   -1.45    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON  4    GRTST 24HR  0.64 ON  4- 4      TO 1/4 MILE OR LESS
LOWEST:     37 ON 24                               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:   1    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   107    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL     2    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1   107    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL   -11

[CDD (BASE 65) ]
TOTAL THIS MO.    90
DPTR FM NORMAL    -2    [PRESSURE DATA]
TOTAL FM JAN 1  1321    HIGHEST SLP M ON M
DPTR FM NORMAL   489    LOWEST  SLP 29.75 ON M

[REMARKS]
#FINAL-09-12#