WFO Monthly/Daily Climate Data
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CXUS55 KLOT 280700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     APRIL
                                          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  59  34  47   3  18   0 0.00  0.0    0  5.7 13 100   M    M   6        17 140
 2  61  42  52   8  13   0    T  0.0    0  6.1 17 140   M    M   9        22 130
 3  54  46  50   6  15   0 0.19  0.0    0  8.4 16 310   M    M  10 1      20 310
 4  56  43  50   5  15   0 0.02  0.0    0  8.7 16 340   M    M  10 18     22 320
 5  47  40  44  -1  21   0 1.04  0.0    0 18.2 31  20   M    M  10 1      39  30
 6  51  38  45   0  20   0 0.29  0.0    0 16.9 30 360   M    M   9 1      40  10
 7  54  37  46   0  19   0 0.00  0.0    0 11.0 22 350   M    M   5        26 350
 8  68  37  53   7  12   0 0.00  0.0    0 13.8 25 170   M    M   6        32 180
 9  77  57  67  21   0   2 0.00  0.0    0 18.7 33 190   M    M   9        47 190
10  78  41  60  13   5   0 0.32  0.0    0 13.9 36 200   M    M   9 13     44 260
11  54  41  48   1  17   0    T  0.0    0  9.4 20 300   M    M   9 12     24 300
12  59  38  49   1  16   0 0.00  0.0    0  7.2 16  80   M    M   5        27  70
13  60  44  52   4  13   0 0.19  0.0    0  9.2 17 100   M    M   9 1      26  60
14  66  47  57   9   8   0 0.06  0.0    0  9.3 16 160   M    M   9 1      20 150
15  82  61  72  23   0   7 0.09  0.0    0 16.2 32 270   M    M   7 3      41 270
16  73  52  63  14   2   0 0.59  0.0    0 11.7 23 290   M    M   8 13     29 280
17  69  44  57   7   8   0 0.00  0.0    0  7.0 17  50   M    M   4        19  40
18  76  41  59   9   6   0 0.00  0.0    0 11.5 26 190   M    M   7        33 190
19  70  45  58   8   7   0 0.01  0.0    0  9.6 20  60   M    M   9 13     24  50
20  73  48  61  10   4   0    T  0.0    0 15.0 29 260   M    M   8        36 290
21  53  44  49  -2  16   0 0.00  0.0    0 12.6 22 300   M    M   8        29  40
22  60  38  49  -2  16   0 0.00  0.0    0  8.5 16  30   M    M   5        20  20
23  72  37  55   3  10   0 0.00  0.0    0  5.8 15 100   M    M   2        19 110
24  73  40  57   5   8   0 0.00  0.0    0  7.7 20 130   M    M   6        23 130
25  79  52  66  14   0   1 0.00  0.0    0 12.1 23 150   M    M   7        30 140
26  74  60  67  14   0   2 0.22  0.0    0 11.5 23 180   M    M  10 1      31 240
27  62  41  52  -1  13   0 0.14  0.0    0 15.8 28 240   M    M   9 1      35 250
================================================================================
SM 1760 1188       282  12  3.16     0.0 301.5          M      205
================================================================================
AV 65.2 44.0                              11.2 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->  # 36 200               # 47  190
================================================================================
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:     2017
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 54.6   TOTAL FOR MONTH:   3.16    1 = FOG OR MIST
DPTR FM NORMAL:   6.2   DPTR FM NORMAL:    0.14    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON 15    GRTST 24HR  1.04 ON  5- 5      TO 1/4 MILE OR LESS
LOWEST:     34 ON  1                               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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   282    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL  -176    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  4992    CLOUDY (SCALE 8-10) 14
DPTR FM NORMAL -1041

[CDD (BASE 65) ]
TOTAL THIS MO.    12
DPTR FM NORMAL    12    [PRESSURE DATA]
TOTAL FM JAN 1    12    HIGHEST SLP M ON M
DPTR FM NORMAL    11    LOWEST  SLP 29.35 ON 27

[REMARKS]



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