WFO Monthly/Daily Climate Data
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CXUS55 KLOT 190700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     OCTOBER
                                          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  72  57  65   7   0   0 1.56  0.0    0  7.2 18 320   M    M   9 13     27 320
 2  67  58  63   5   2   0 0.01  0.0    0  5.1 15 300   M    M   8 1      21 290
 3  88  59  74  17   0   9    T  0.0    0 13.9 28 210   M    M   7 8      43 290
 4  77  52  65   8   0   0 0.04  0.0    0 16.0 24  30   M    M   6        30  40
 5  65  54  60   4   5   0 1.24  0.0    0  7.1 16 130   M    M  10 13     22 120
 6  70  57  64   8   1   0 0.12  0.0    0  8.1 17  30   M    M   8 13     24 320
 7  63  57  60   4   5   0 0.52  0.0    0 10.6 17  30   M    M  10 13     22  40
 8  85  63  74  19   0   9 0.15  0.0    0  8.8 21 210   M    M   6 18     33 200
 9  85  70  78  23   0  13 0.01  0.0    0 10.2 21 160   M    M   5        29 200
10  75  51  63   9   2   0 0.35  0.0    0 13.4 28 260   M    M   9 1      42 260
11  51  40  46  -8  19   0 0.00  0.0    0 13.8 24 270   M    M   6        36 270
12  42  36  39 -15  26   0    T  0.0    0  6.9 14 240   M    M   7        21 240
13  53  32  43 -11  22   0 0.00  0.0    0  7.5 15 200   M    M   4 18     23 230
14  54  38  46  -7  19   0 0.07  0.0    0  5.9 16 300   M    M   5 18     23 290
15  48  37  43 -10  22   0 0.10    M    0 11.3 20 290   M    M   4 1      28 310
16  59  34  47  -5  18   0 0.00  0.0    0 12.4 25 220   M    M   1 8      38 240
17  51  38  45  -7  20   0 0.00  0.0    0 10.0 21 320   M    M   1        29 300
18  58  34  46  -6  19   0 0.00  0.0    0  5.8 15 220   M    M   0 8      20 220
================================================================================
SM 1163  867       180  31  4.17     0.0 174.0          M      106
================================================================================
AV 64.6 48.2                               9.7 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 28 210               # 43  290
================================================================================
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:    OCTOBER
                                          YEAR:     2018
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 56.4   TOTAL FOR MONTH:   4.17    1 = FOG OR MIST
DPTR FM NORMAL:   1.6   DPTR FM NORMAL:    2.37    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON  3    GRTST 24HR  1.56 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     32 ON 13                               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:  11
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   180    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL   -13    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1   236    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL   -75

[CDD (BASE 65) ]
TOTAL THIS MO.    31
DPTR FM NORMAL    21    [PRESSURE DATA]
TOTAL FM JAN 1  1290    HIGHEST SLP M ON M
DPTR FM NORMAL   448    LOWEST  SLP 29.55 ON 10

[REMARKS]


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