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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     APRIL
                                          YEAR:      2013
                                          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  41  29  35  -9  30   0 0.00  0.0    0 11.7 22 310   M    M   3        32 330
 2  45  25  35  -9  30   0 0.00  0.0    0  9.0 21 320   M    M   1        26 300
 3  44  25  35  -9  30   0 0.00  0.0    0  7.0 14  60   M    M   4        28  60
 4  58  25  42  -3  23   0 0.00  0.0    0  8.0 16 240   M    M   2        21 280
 5  45  36  41  -4  24   0 0.00  0.0    0 11.8 21  20   M    M   4        30  60
 6  70  36  53   8  12   0 0.04  0.0    0 18.5 37 180   M    M  10 3      48 250
 7  59  40  50   4  15   0    T  0.0    0 11.4 25 270   M    M   5        35 270
 8  64  41  53   7  12   0 0.49  0.0    0 13.8 33 260   M    M   8 13     49 250
 9  55  39  47   1  18   0 0.20  0.0    0 11.9 23  20   M    M  10 13     29  40
10  41  38  40  -7  25   0 0.94    T    0 16.2 33 290   M    M  10 135    45 280
11  46  38  42  -5  23   0 0.24  0.0    0  9.3 26  70   M    M  10 1      32  70
12  45  37  41  -7  24   0    T  0.0    0 13.4 24 260   M    M  10        30 260
13  45  34  40  -8  25   0    T    T    0 12.5 24 270   M    M   9 18     30 270
14  69  38  54   6  11   0    T    T    0 15.0 30 190   M    M   8        37 200
15  66  44  55   6  10   0 0.36  0.0    0 13.5 32 200   M    M  10 1      43 200
16  58  40  49   0  16   0 0.01  0.0    0  7.6 15 110   M    M   7        23  60
17  49  42  46  -4  19   0 2.01  0.0    0 11.0 26  70   M    M  10 135    33  80
18  63  39  51   1  14   0 3.54  0.0    0 15.4 33 170   M    M  10 13     43 280
19  40  33  37 -13  28   0 0.01  0.1    0 19.4 32 250   M    M  10 1      43 250
20  47  31  39 -12  26   0 0.00  0.0    0  9.4 20 310   M    M   3        24 320
21  54  29  42  -9  23   0 0.00  0.0    0 11.5 20 150   M    M   5        25 150
22  67  38  53   2  12   0 0.00  0.0    0  9.7 18 130   M    M   6        26 140
23  59  38  49  -3  16   0 0.70  0.0    0  9.5 18 340   M    M  10 1      24  10
24  50  37  44  -8  21   0 0.04  0.0    0 12.2 18 280   M    M   7        21 270
25  51  38  45  -7  20   0 0.07  0.0    0 11.9 23 240   M    M   5        28 240
26  67  34  51  -2  14   0 0.00  0.0    0 11.6 25 180   M    M   5        31 220
27  68  43  56   3   9   0 0.00  0.0    0  6.6 16 110   M    M   4        21  80
28  65  49  57   3   8   0 0.03  0.0    0  5.8 10  60   M    M   7 1      16  70
29  74  47  61   7   4   0 0.00  0.0    0 12.1 24 170   M    M   6 1      32 160
30  85  61  73  19   0   8 0.00  0.0    0 17.3 29 200   M    M   7        37 210
================================================================================
SM 1690 1124       542   8  8.68     0.1 354.0          M      206
================================================================================
AV 56.3 37.5                              11.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 37 180               # 49  250
================================================================================
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:    APRIL
                                          YEAR:     2013
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 46.9   TOTAL FOR MONTH:   8.68    1 = FOG OR MIST
DPTR FM NORMAL:  -2.0   DPTR FM NORMAL:    5.30    2 = FOG REDUCING VISIBILITY
HIGHEST:    85 ON 30    GRTST 24HR  5.42 ON 17-18      TO 1/4 MILE OR LESS
LOWEST:     25 ON  4, 3                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.1 INCH    5 = HAIL
                        GRTST 24HR   0.1 ON   M    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:  14
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   6    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   542    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    50    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  5938    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -129

[CDD (BASE 65) ]
TOTAL THIS MO.     8
DPTR FM NORMAL    -1    [PRESSURE DATA]
TOTAL FM JAN 1     8    HIGHEST SLP M ON M
DPTR FM NORMAL    -2    LOWEST  SLP 29.39 ON 18

[REMARKS]
#FINAL-04-13#