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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     FEBRUARY
                                          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  48  32  40  16  25   0 0.00  0.0    0  5.1 14 320   M    M   7 18     18 320
 2  43  31  37  13  28   0 0.00  0.0    0  3.8 10 260   M    M   8 18     17  60
 3  39  33  36  11  29   0 0.00  0.0    0  7.4 15  70   M    M  10 18     24  60
 4  42  29  36  11  29   0 0.00  0.0    0  9.5 16  70   M    M   8 8      29  70
 5  45  29  37  12  28   0 0.00  0.0    0  5.3 14  40   M    M   4        32  50
 6  33  30  32   7  33   0 0.00  0.0    0 10.7 17 250   M    M   9 18     22 240
 7  36  29  33   8  32   0 0.01    T    0 12.0 24  40   M    M  10 18     33  40
 8  37  25  31   5  34   0 0.00  0.0    0  8.1 13 290   M    M   7        17 300
 9  36  21  29   3  36   0 0.00  0.0    0  9.9 18 250   M    M   2 18     24 280
10  36  14  25  -1  40   0 0.19  1.5    0 14.7 28 340   M    M  10 129    38 340
11  20  10  15 -11  50   0 0.00  0.0    1 15.2 28 330   M    M   1        35 330
12  35  16  26  -1  39   0 0.00  0.0    1 11.8 20 280   M    M   0        23 280
13  36  15  26  -1  39   0 0.03  0.3    0  8.6 21 180   M    M   8 1      25 190
14  36  29  33   6  32   0    T    T    T  7.8 15 210   M    M  10 16     20 220
15  43  30  37   9  28   0 0.16  0.0    0  8.8 17 190   M    M   9 18     22 190
16  47  34  41  13  24   0 0.02  0.0    0  9.4 20 300   M    M   5 18     25 300
17  49  28  39  11  26   0 0.00  0.0    0  8.5 22 210   M    M   4        29 210
18  39  27  33   5  32   0 0.00  0.0    0  8.0 16  20   M    M   3        25  30
19  38  24  31   2  34   0 0.00  0.0    0  5.6 14  70   M    M   4        23  60
20  45  22  34   5  31   0 0.00  0.0    0  9.7 20 140   M    M   6        24 150
21  41  33  37   7  28   0 0.06  0.2    T 11.9 26 250   M    M   9 18     36 240
22  44  29  37   7  28   0 0.01  0.1    T  6.0 12 300   M    M   9 1      17 270
23  40  29  35   5  30   0 0.33    T    0  7.2 16  50   M    M   9 18     26  50
24  35  26  31   0  34   0 0.54  3.5    3 16.1 24 270   M    M  10 18     33 280
25  27  16  22  -9  43   0 0.00  0.0    2 10.7 20 310   M    M   4        25 280
26  53  17  35   4  30   0 0.00  0.0    1 13.9 28 210   M    M   2        37 190
27  40  25  33   1  32   0 0.00  0.0    0 11.4 26 280   M    M   3        33 280
28  44  23  34   2  31   0 0.11  0.0    0  8.7 20 120   M    M   8 18     23 120
29  59  35  47  15  18   0 0.18    T    0 17.8 37 210   M    M   7 18     48 210
================================================================================
SM 1166  741       923   0  1.64     5.6 283.6          M      186
================================================================================
AV 40.2 25.6                               9.8 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 37 210               # 48  210
================================================================================
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:    FEBRUARY
                                          YEAR:     2012
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 32.9   TOTAL FOR MONTH:   1.64    1 = FOG OR MIST
DPTR FM NORMAL:   5.2   DPTR FM NORMAL:   -0.15    2 = FOG REDUCING VISIBILITY
HIGHEST:    59 ON 29    GRTST 24HR  0.87 ON 23-24      TO 1/4 MILE OR LESS
LOWEST:     10 ON 11                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   5.6 INCHES  5 = HAIL
                        GRTST 24HR   3.5 ON 24-24  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 24     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:   2    0.01 INCH OR MORE:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:  25    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   923    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -121    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  3973    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -794

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.43 ON M

[REMARKS]
#FINAL-02-12#