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

                                          STATION:   CHICAGO-OHARE IL
                                          MONTH:     JUNE
                                          YEAR:      2009
                                          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  78  51  65   1   0   0 0.44  0.0    0 11.1 26  30   M    M   8 13     36 310
 2  60  48  54 -11  11   0 0.12  0.0    0  8.0 18  30   M    M   9 1      28  60
 3  61  43  52 -13  13   0 0.00  0.0    0 10.7 22  40   M    M   6        31  40
 4  68  42  55 -10  10   0 0.00  0.0    0  5.9 10  50   M    M   3        25  60
 5  79  44  62  -3   3   0 0.00  0.0    0  6.7 17 270   M    M   3        23 250
 6  63  51  57  -9   8   0 0.02  0.0    0  7.7 14  40   M    M   8        26  50
 7  73  52  63  -3   2   0 0.04  0.0    0  6.9 17  50   M    M   9 1      31  50
 8  80  52  66   0   0   1 0.45  0.0    0  9.2 24 240   M    M   8 13     35 240
 9  67  55  61  -6   4   0    T  0.0    0  6.3 13 100   M    M  10 12     22  80
10  67  54  61  -6   4   0 0.01  0.0    0  8.7 14  30   M    M   8        25  40
11  64  53  59  -8   6   0 0.01  0.0    0 10.3 18  20   M    M   9 18     29  40
12  74  49  62  -5   3   0    T  0.0    0  5.8 13  90   M    M   6        24  80
13  68  54  61  -7   4   0 0.33  0.0    0  6.7 13  30   M    M   8 1      24  70
14  77  51  64  -4   1   0 0.00  0.0    0  4.7 12  60   M    M   5 8      24  40
15  81  53  67  -1   0   2 0.00  0.0    0  6.4 16 100   M    M   6        28  70
16  71  59  65  -4   0   0 1.23  0.0    0 11.8 23 100   M    M  10 18     30 100
17  71  61  66  -3   0   1 0.00  0.0    0  6.2 14 320   M    M   9 18     21  40
18  80  61  71   2   0   6 0.12  0.0    0  7.9 16 180   M    M   9 138    21 180
19  86  65  76   7   0  11 3.97  0.0    0 11.6 30 240   M    M  10 13     43 250
20  87  68  78   9   0  13 0.00  0.0    0  8.6 17 320   M    M   5        26 300
21  84  70  77   7   0  12 0.01  0.0    0  3.9 10  80   M    M   9        20  60
22  89  68  79   9   0  14 0.09  0.0    0  5.6 13  90   M    M   5 13     23  70
23  94  71  83  13   0  18 0.00  0.0    0  3.5 10 100   M    M   5        18  70
24  94  75  85  15   0  20 0.04  0.0    0  5.8 38  60   M    M   6 3      51  60
25  94  75  85  14   0  20    T  0.0    0  4.9 15  50   M    M   6        22  50
26  86  69  78   7   0  13 0.00  0.0    0  8.2 13  60   M    M   3        26  60
27  89  62  76   5   0  11 0.30  0.0    0  6.9 22 230   M    M   7 13     29 250
28  83  66  75   4   0  10 0.00  0.0    0 13.6 30 300   M    M   1 3      40 310
29  77  63  70  -1   0   5 0.00  0.0    0 12.7 23 310   M    M   4        31 320
30  66  59  63  -9   2   0 0.00  0.0    0  9.1 15 310   M    M   8        18 330
================================================================================
SM 2311 1744        71 157  7.18     0.0 235.4          M      203
================================================================================
AV 77.0 58.1                               7.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 38  60               # 51   60
================================================================================
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:    JUNE
                                          YEAR:     2009
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 67.6   TOTAL FOR MONTH:   7.18    1 = FOG OR MIST
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:    3.55    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 25,24 GRTST 24HR  3.97 ON 19-19      TO 1/4 MILE OR LESS
LOWEST:     42 ON  4                               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:  15
MAX 90 OR ABOVE:   3    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.    71    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL    22    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  6596    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL    98

[CDD (BASE 65) ]
TOTAL THIS MO.   157
DPTR FM NORMAL    -2    [PRESSURE DATA]
TOTAL FM JAN 1   177    HIGHEST SLP M ON M
DPTR FM NORMAL   -40    LOWEST  SLP 29.54 ON 19

[REMARKS]
#FINAL-06-09#