000
CXUS55 KLOT 011136
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     MAY
                                          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  65  49  57   3   8   0 0.09  0.0    0  7.7 16 130   M    M  10 18     21  70
 2  80  58  69  14   0   4 0.00  0.0    0 10.1 26 200   M    M   8 12     35 210
 3  86  66  76  21   0  11 1.34  0.0    0 12.0 24 210   M    M   8 358    31 200
 4  73  55  64   8   1   0 0.28  0.0    0  9.2 24 150   M    M  10 138    31 150
 5  60  52  56   0   9   0    T  0.0    0  8.3 16  30   M    M  10 18     25  40
 6  70  51  61   5   4   0 0.80  0.0    0  8.5 17 110   M    M   8 138    28  10
 7  64  52  58   2   7   0 0.47  0.0    0  5.4 14 330   M    M   9 1238   18 320
 8  70  52  61   4   4   0 0.00  0.0    0  8.9 18 250   M    M   5 12     25 260
 9  60  47  54  -3  11   0 0.06  0.0    0  7.6 17  50   M    M   5 8      35  50
10  67  46  57   0   8   0 0.00  0.0    0  7.5 14  50   M    M   0        28  50
11  78  43  61   3   4   0 0.00  0.0    0  9.5 21 190   M    M   3        26 180
12  69  53  61   3   4   0 0.03  0.0    0  9.3 21  20   M    M   9        30  40
13  72  50  61   3   4   0 0.00  0.0    0  7.8 16  50   M    M   3        28  50
14  82  43  63   4   2   0 0.00  0.0    0  5.2 15 110   M    M   1        20  80
15  86  57  72  13   0   7 0.05  0.0    0 12.6 26 320   M    M   4 3      35 320
16  65  50  58  -1   7   0 0.00  0.0    0 10.5 23  30   M    M   4        32  40
17  74  45  60   1   5   0 0.00  0.0    0  5.8 15 100   M    M   3        20  90
18  85  53  69   9   0   4 0.00  0.0    0  9.2 15 130   M    M   3        20 160
19  92  59  76  16   0  11 0.00  0.0    0  9.1 17 200   M    M   2        26 190
20  93  65  79  19   0  14 0.14  0.0    0 11.6 24 190   M    M   6 3      33 300
21  67  54  61   0   4   0 0.00  0.0    0 12.6 25  30   M    M   5        37  20
22  71  50  61   0   4   0 0.00  0.0    0  7.2 13  60   M    M   1        25  50
23  82  47  65   4   0   0 0.00  0.0    0  6.9 17 160   M    M   6        21 160
24  90  64  77  15   0  12 0.00  0.0    0 17.7 31 170   M    M   5 8      41 190
25  83  65  74  12   0   9 0.00  0.0    0 10.0 23 210   M    M   6        30 200
26  86  60  73  11   0   8    T  0.0    0 11.2 22  30   M    M   9        32  40
27  97  70  84  22   0  19 0.00  0.0    0 10.1 21 180   M    M   5        26 180
28  95  77  86  23   0  21    T  0.0    0 14.0 28 210   M    M   6        38 190
29  85  61  73  10   0   8 0.00  0.0    0 12.2 28 280   M    M   4        39 290
30  70  53  62  -2   3   0 0.00  0.0    0  9.6 17  40   M    M   5         M  M
31  54  47  51 -13  14   0 1.12  0.0    0 11.0 18  50   M    M  10 1      32  40
================================================================================
SM 2371 1694       103 128  4.38     0.0 298.3          M      173
================================================================================
AV 76.5 54.6                               9.6 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 31 170               # 41  190
================================================================================
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:    MAY
                                          YEAR:     2012
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 65.6   TOTAL FOR MONTH:   4.38    1 = FOG OR MIST
DPTR FM NORMAL:   6.5   DPTR FM NORMAL:    0.70    2 = FOG REDUCING VISIBILITY
HIGHEST:    97 ON 27    GRTST 24HR  1.62 ON  3- 4      TO 1/4 MILE OR LESS
LOWEST:     43 ON 14,11                            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:  10
MAX 90 OR ABOVE:   5    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   103    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -122    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  4893    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL -1399

[CDD (BASE 65) ]
TOTAL THIS MO.   128
DPTR FM NORMAL    84    [PRESSURE DATA]
TOTAL FM JAN 1   171    HIGHEST SLP 30.27 ON 12
DPTR FM NORMAL   117    LOWEST  SLP 29.55 ON 24

[REMARKS]
#FINAL-05-12#