WFO Monthly/Daily Climate Data
Issued by NWS

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000
CXUS55 KLOT 240700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     AUGUST
                                          YEAR:      2017
                                          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  86  67  77   3   0  12 0.92  0.0    0  5.4 33 260   M    M   6 38     41 260
 2  87  66  77   3   0  12    T  0.0    0  6.9 21  20   M    M   6 13     31  20
 3  84  61  73  -1   0   8 0.88  0.0    0  9.2 32 230   M    M   9 138    45 220
 4  68  56  62 -12   3   0    T  0.0    0 13.9 24 300   M    M   7        31 280
 5  80  60  70  -3   0   5 0.00  0.0    0  7.3 16 260   M    M   5        21 260
 6  77  63  70  -3   0   5 0.00  0.0    0  4.1 13 190   M    M   8        19 170
 7  76  61  69  -4   0   4    T  0.0    0  7.9 17  20   M    M   5        22  30
 8  84  58  71  -2   0   6 0.00  0.0    0  5.5 14 320   M    M   2        19 290
 9  83  61  72  -1   0   7 0.00  0.0    0  5.1 14 280   M    M   6        29 320
10  84  62  73   0   0   8 0.03  0.0    0  8.3 20 350   M    M   8 138    25 210
11  78  65  72  -1   0   7 0.00  0.0    0  9.4 18 320   M    M   7        22 300
12  77  60  69  -4   0   4 0.00  0.0    0  7.3 15  10   M    M   4        19  30
13  80  57  69  -4   0   4    T  0.0    0  4.0 13  90   M    M   6        16  60
14  83  62  73   0   0   8 0.00  0.0    0  4.2 14 240   M    M   7 8      18 250
15  84  68  76   3   0  11 0.00  0.0    0  7.7 16  40   M    M   5        21  50
16  88  67  78   5   0  13 0.17  0.0    0  8.1 16 100   M    M   6 138    30 190
17  82  72  77   4   0  12 0.02  0.0    0 14.4 28 280   M    M   8 1      37 290
18  82  67  75   3   0  10 0.00  0.0    0 11.0 20 320   M    M   6        25 320
19  86  63  75   3   0  10 0.00  0.0    0  4.8 13 110   M    M   2        17 100
20  90  63  77   5   0  12 0.03  0.0    0  5.8 14 200   M    M   6 3      18 240
21  87  71  79   7   0  14 0.03  0.0    0  8.6 18 230   M    M   7 38     26 240
22  82  64  73   1   0   8 0.02  0.0    0 13.3 22 320   M    M   6        30 320
23  79  60  70  -2   0   5 0.00  0.0    0  9.2 20 290   M    M   2        27 310
================================================================================
SM 1887 1454         3 185  2.10     0.0 181.4          M      134
================================================================================
AV 82.0 63.2                               7.9 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 33 260               # 45  220
================================================================================
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:    AUGUST
                                          YEAR:     2017
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 72.6   TOTAL FOR MONTH:   2.10    1 = FOG OR MIST
DPTR FM NORMAL:  -0.3   DPTR FM NORMAL:   -1.65    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 20    GRTST 24HR  0.92 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     56 ON  4                               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:   8
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     3    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL     3    PTCLDY (SCALE 4-7)  19
TOTAL FM JUL 1     3    CLOUDY (SCALE 8-10)  1
DPTR FM NORMAL    -1

[CDD (BASE 65) ]
TOTAL THIS MO.   185
DPTR FM NORMAL    -2    [PRESSURE DATA]
TOTAL FM JAN 1   754    HIGHEST SLP M ON M
DPTR FM NORMAL    65    LOWEST  SLP 29.71 ON 17

[REMARKS]



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