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WFO Monthly/Daily Climate Data
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CXUS55 KLOT 241446
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     APRIL
                                          YEAR:      2018
                                          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  35  24  30 -14  35   0 0.00  0.0    0  7.9 17 340   M    M   6        20 340
 2  44  21  33 -11  32   0 0.00  0.0    0  6.9 16 100   M    M   7 8      20 100
 3  40  34  37  -7  28   0 0.20    T    0 12.1 21  20   M    M  10 1      25  10
 4  35  26  31 -14  34   0 0.01  0.2    0 15.3 28 300   M    M   8 1      35 300
 5  42  23  33 -12  32   0 0.07    T    0  7.3 17 210   M    M   8 18     21 190
 6  38  25  32 -13  33   0 0.00  0.0    0 14.4 28 290   M    M   8 1      34 310
 7  39  20  30 -16  35   0 0.00  0.0    0  9.0 18 320   M    M   1        25 300
 8  39  21  30 -16  35   0 0.01    T    0  7.0 15  70   M    M   5 1      17 100
 9  39  30  35 -11  30   0 0.13  2.0    1  6.1 12  50   M    M   9 18     14  30
10  46  28  37 -10  28   0    T  0.0    0  8.4 15 250   M    M   6 18     21 230
11  66  39  53   6  12   0 0.05  0.0    0  9.8 18 240   M    M   8 18     24 240
12  73  42  58  10   7   0 0.03  0.0    0 14.0 25 250   M    M   7 1      35 230
13  47  39  43  -5  22   0 0.07  0.0    0 13.1 33  40   M    M   9 1      41  40
14  39  36  38 -10  27   0 0.96  0.0    0 21.0 31  60   M    M  10 1      41  30
15  37  28  33 -16  32   0 0.74  0.2    0 13.7 24  60   M    M   9 14     30  40
16  35  27  31 -18  34   0 0.01  0.3    0 15.0 24 300   M    M  10 18     31 300
17  43  29  36 -14  29   0 0.00  0.0    0 11.2 22 320   M    M   5 8      26 300
18  37  30  34 -16  31   0 0.41  0.4    0 11.7 25  80   M    M   8 1468   32  80
19  55  31  43  -7  22   0 0.01  0.1    0  9.9 15 330   M    M   3 1      22  20
20  61  31  46  -5  19   0 0.00  0.0    0  4.9 15  90   M    M   4        19 100
21  55  39  47  -4  18   0 0.00  0.0    0  3.9 14 100   M    M  10        16 100
22  62  42  52   1  13   0 0.00  0.0    0 10.5 18  60   M    M   8        24  90
23  63  43  53   1  12   0    T  0.0    0 11.9 20  20   M    M   9        24  10
================================================================================
SM 1070  708       600   0  2.70     3.2 245.0          M      168
================================================================================
AV 46.5 30.8                              10.7 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 33  40               # 41   40
================================================================================
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:     2018
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 38.7   TOTAL FOR MONTH:   2.70    1 = FOG OR MIST
DPTR FM NORMAL:  -9.0   DPTR FM NORMAL:    0.15    2 = FOG REDUCING VISIBILITY
HIGHEST:    73 ON 12    GRTST 24HR  0.96 ON 14-14      TO 1/4 MILE OR LESS
LOWEST:     20 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   3.2 INCHES  5 = HAIL
                        GRTST 24HR   2.0 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON  9     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:  13
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   600    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL   193    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  5925    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL   -57

[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    -1    LOWEST  SLP 29.59 ON M

[REMARKS]
National Weather Service Weather Forecast Office
