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

                                          STATION:   CHICAGO-OHARE IL
                                          MONTH:     AUGUST
                                          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  86  65  76   2   0  11 0.00  0.0    0  4.1 10 100   M    M   5 18     18  50
 2  84  67  76   2   0  11    T  0.0    0  6.8 18 230   M    M   7 18     22 230
 3  86  66  76   2   0  11 0.28  0.0    0  3.3 13 240   M    M   7 13     20  40
 4  83  71  77   4   0  12 0.48  0.0    0  4.9 38 270   M    M   7 13     56 270
 5  83  68  76   3   0  11 0.00  0.0    0 10.9 22 300   M    M   1        29 310
 6  82  64  73   0   0   8 0.00  0.0    0  6.5 14 300   M    M   1        18 310
 7  83  62  73   0   0   8 0.00  0.0    0  8.0 17 200   M    M   4        22 200
 8  87  69  78   5   0  13 0.08  0.0    0  9.9 30 220   M    M   6 1      41 220
 9  88  72  80   7   0  15 0.15  0.0    0  7.1 22 300   M    M   8 13     26 310
10  89  75  82   9   0  17 0.00  0.0    0  4.9 12  50   M    M   7        22  60
11  90  75  83  10   0  18 0.00  0.0    0  6.0 17 290   M    M   6 18     21 280
12  92  74  83  10   0  18 0.00  0.0    0  5.7 12  80   M    M   2        20  80
13  92  73  83  11   0  18 0.25  0.0    0  7.6 31 300   M    M   6 13     38 310
14  88  72  80   8   0  15    T  0.0    0  5.0 13 240   M    M   7        18 240
15  83  66  75   3   0  10 0.00  0.0    0  8.8 23 290   M    M   2        30 290
16  80  63  72   0   0   7 0.00  0.0    0  9.3 21 260   M    M   1        26 280
17  79  64  72   0   0   7 0.03  0.0    0  6.1 13 310   M    M   8        18  40
18  84  63  74   2   0   9 0.05  0.0    0  3.5 10 110   M    M   6        20  60
19  88  66  77   6   0  12 0.00  0.0    0  5.0 14 220   M    M   4        18 220
20  92  71  82  11   0  17 0.03  0.0    0 11.2 22 170   M    M   7        28 210
21  86  71  79   8   0  14 0.45  0.0    0  6.0 15  40   M    M   7 1      22  60
22  81  68  75   4   0  10 0.00  0.0    0  8.5 14  70   M    M   3         M  60
23  80  65  73   2   0   8 0.00  0.0    0  7.3 14  50   M    M   3         M  M
24  84  64  74   4   0   9    T  0.0    0  5.8 17 360   M    M   6        23 340
25  79  61  70   0   0   5 0.00  0.0    0 10.3 17 330   M    M   2        26  10
26  79  59  69  -1   0   4 0.00  0.0    0  5.2 10  90   M    M   3         M  70
27  86  59  73   3   0   8 0.00  0.0    0  9.0 13 190   M    M   1        13 190
28  88  65  77   7   0  12 0.00  0.0    0 10.8 17 180   M    M   0        17 180
29  94  71  83  14   0  18 0.00  0.0    0 11.4 20 180   M    M   3        24 180
30  88  74  81  12   0  16 0.00  0.0    0 14.4 20 190   M    M   5        26 180
31  93  75  84  15   0  19 0.00  0.0    0 15.0 21 190   M    M   4        26 190
================================================================================
SM 2657 2098         0 371  1.80     0.0 238.3          M      139
================================================================================
AV 85.7 67.7                               7.7 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 38 270               # 56  270
================================================================================
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:    AUGUST
                                          YEAR:     2010
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 76.7   TOTAL FOR MONTH:   1.80    1 = FOG OR MIST
DPTR FM NORMAL:   5.0   DPTR FM NORMAL:   -2.82    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 29    GRTST 24HR  0.59 ON 31- 1      TO 1/4 MILE OR LESS
LOWEST:     59 ON 27,26                            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:   9
MAX 90 OR ABOVE:   6    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL    -9    PTCLDY (SCALE 4-7)  19
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL   -15

[CDD (BASE 65) ]
TOTAL THIS MO.   371
DPTR FM NORMAL   138    [PRESSURE DATA]
TOTAL FM JAN 1  1084    HIGHEST SLP M ON M
DPTR FM NORMAL   355    LOWEST  SLP 29.19 ON 31

[REMARKS]
#FINAL-08-10#