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000
CXUS55 KLOT 171127
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE IL
                                          MONTH:     FEBRUARY
                                          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  30  14  22  -1  43   0    T    T    0  4.1  9 130   M    M   8 8      17  60
 2  32  25  29   6  36   0 0.10  2.1    1  7.1 14 270   M    M  10 18     21 280
 3  32  23  28   4  37   0 0.00  0.0    1  5.6 14 270   M    M  10 18     22  50
 4  33  21  27   3  38   0 0.00  0.0    1  6.3 14 100   M    M   9 18     23 110
 5  35  30  33   9  32   0 0.02  0.2    1 15.0 26  40   M    M  10 18     37  50
 6  31  25  28   4  37   0    T    T    0 15.1 28  30   M    M   8        36  30
 7  31  23  27   2  38   0    T    T    0  5.9 13 110   M    M   9 1      24  50
 8  30  20  25   0  40   0    T    T    0  8.7 18 100   M    M   9        29  90
 9  28  23  26   1  39   0 0.65 12.6    1 10.7 21  10   M    M  10 12     26  10
10  26  17  22  -4  43   0 0.02  0.3    9 14.5 25 330   M    M   8 19     33 330
11  30  10  20  -6  45   0 0.00  0.0    7  5.8 12 350   M    M   2        16  10
12  32  10  21  -5  44   0 0.00  0.0    6  4.7  9 360   M    M   6 8      18  40
13  30  11  21  -5  44   0 0.00  0.0    5  7.1 15 310   M    M   3        18 310
14  29   9  19  -8  46   0 0.00  0.0    5  5.6 12 290   M    M   2 18     15 270
15  28   6  17 -10  48   0    T  0.3    4  8.5 16 310   M    M   8 18     18 300
16  32  25  29   2  36   0    T    T    5 11.9 21 320   M    M   8 1      26 320
17  32  26  29   1  36   0 0.00  0.0    4 10.2 16 310   M    M  10        20 310
18  39  25  32   4  33   0 0.00  0.0    3  7.1 15 280   M    M   5        20 300
19  42  19  31   3  34   0 0.00  0.0    2  4.6  9  80   M    M   4        18  60
20  39  30  35   6  30   0 0.01  0.2    2  5.2  9 160   M    M  10 18     17  50
21  36  33  35   6  30   0 0.36  2.0    2  7.7 13  40   M    M  10 18     17  30
22  33  29  31   2  34   0 0.14  1.1    4 10.5 16  20   M    M  10 1      25  50
23  33  22  28  -2  37   0    T    T    3  6.5 14 260   M    M   9 18     18 250
24  29  21  25  -5  40   0 0.34  3.6    3 12.0 22 330   M    M  10 12     28 360
25  28  18  23  -7  42   0    T    T    5 11.8 18 310   M    M   2 8      28 360
26  31  17  24  -7  41   0    T    T    5 13.1 22 320   M    M   5        26 320
27  34  28  31   0  34   0    T  0.1    5 11.3 18 330   M    M  10 1      24 320
28  38  32  35   4  30   0    T    T    4  7.1 12 350   M    M  10 18     24  50
================================================================================
SM  903  592      1067   0  1.64    22.5 243.7          M      215
================================================================================
AV 32.2 21.1                               8.7 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->  # 28  30               # 37   50
================================================================================
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:    FEBRUARY
                                          YEAR:     2010
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 26.7   TOTAL FOR MONTH:   1.64    1 = FOG OR MIST
DPTR FM NORMAL:  -0.3   DPTR FM NORMAL:    0.01    2 = FOG REDUCING VISIBILITY
HIGHEST:    42 ON 19    GRTST 24HR  0.66 ON  9-10      TO 1/4 MILE OR LESS
LOWEST:      6 ON 15                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  22.5 INCHES  5 = HAIL
                        GRTST 24HR  12.6 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   9 ON 10     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:  18    0.01 INCH OR MORE:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  27    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1067    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    -8    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  4736    CLOUDY (SCALE 8-10) 18
DPTR FM NORMAL  -110

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.42 ON  4
DPTR FM NORMAL     0    LOWEST  SLP 29.73 ON  9

[REMARKS]
#FINAL-02-10#