WFO Monthly/Daily Climate Data
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CXUS53 KLOT 010700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     OCTOBER
                                          YEAR:      2020
                                          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  47  53  -5  12   0 0.21  0.0    0  8.4 28 320   M    M   6 1      40 320
 2  55  42  49  -9  16   0 0.00  0.0    0  6.9 15  10   M    M   5        20 360
 3  56  46  51  -6  14   0 0.11  0.0    0  5.0 12 190   M    M  10        15 190
 4  57  40  49  -8  16   0    T  0.0    0  8.6 18  10   M    M   5        24 320
 5  63  38  51  -5  14   0 0.00  0.0    0 10.6 22 200   M    M   2        32 190
 6  75  52  64   8   1   0 0.00  0.0    0 11.4 18 250   M    M   3        28 260
 7  76  53  65   9   0   0 0.00  0.0    0  9.4 21 320   M    M   0        29 320
 8  70  50  60   5   5   0 0.00  0.0    0  5.2 15  40   M    M   0        20  40
 9  82  52  67  12   0   2 0.00  0.0    0 11.9 25 210   M    M   2        36 210
10  77  57  67  13   0   2 0.00  0.0    0 13.4 23  30   M    M   3        29  40
11  69  56  63   9   2   0 0.00  0.0    0  8.7 16  40   M    M   5        20 160
12  67  50  59   5   6   0 0.11  0.0    0 11.3 25 300   M    M   5 13     43 310
13  73  46  60   6   5   0 0.00  0.0    0 11.9 29 220   M    M   4        42 220
14  79  47  63  10   2   0    T  0.0    0 13.4 32 200   M    M   9        49 210
15  64  41  53   0  12   0 0.00  0.0    0 11.5 26 280   M    M   6        42 290
16  53  37  45  -7  20   0 0.01  0.0    0  9.3 26 290   M    M   3 8      37 290
17  65  37  51  -1  14   0    T  0.0    0 14.4 32 210   M    M   9        49 200
18  60  40  50  -2  15   0 0.18  0.0    0  8.1 23 200   M    M  10 1      33 200
19  50  38  44  -8  21   0 0.05  0.0    0  8.5 18  30   M    M   9 1      22  10
20  53  38  46  -5  19   0 0.19  0.0    0  8.1 15 160   M    M  10 138    21 170
21  59  47  53   2  12   0 0.38  0.0    0  8.0 18 270   M    M   9 13     26 270
22  78  47  63  13   2   0 1.67  0.0    0 10.3 20 190   M    M   7 138    34 190
23  72  38  55   5  10   0 0.65  0.0    0 12.1 22 200   M    M   9 13     36 200
24  49  34  42  -8  23   0 0.00  0.0    0  7.8 14  30   M    M   6        17  20
25  47  39  43  -7  22   0    T  0.0    0 12.5 24  30   M    M  10        29  30
26  39  34  37 -12  28   0 0.06    T    0  9.3 18 350   M    M  10 1      23 330
27  38  33  36 -13  29   0 0.03    T    0  4.4  9 210   M    M   9 1      12 210
28  51  31  41  -7  24   0 0.00  0.0    0  7.3 17 230   M    M   7        24 230
29  49  35  42  -6  23   0 0.00  0.0    0 16.0 32  20   M    M   9        42  30
30  44  31  38 -10  27   0 0.00  0.0    0  6.0 15 330   M    M   2        22 320
31  59  30  45  -2  20   0 0.00  0.0    0 13.8 28 200   M    M   2        39 210
================================================================================
SM 1888 1306       414   4  3.65    T    303.5          M      186
================================================================================
AV 60.9 42.1                               9.8 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 32 200               # 49  210
================================================================================
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:     2020
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 51.5   TOTAL FOR MONTH:   3.65    1 = FOG OR MIST
DPTR FM NORMAL:  -1.0   DPTR FM NORMAL:    0.50    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON  9    GRTST 24HR  1.67 ON 22-22      TO 1/4 MILE OR LESS
LOWEST:     30 ON 31                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON 27-27  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:   3    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   414    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL    17    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1   472    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL   -43

[CDD (BASE 65) ]
TOTAL THIS MO.     4
DPTR FM NORMAL    -7    [PRESSURE DATA]
TOTAL FM JAN 1  1290    HIGHEST SLP M ON M
DPTR FM NORMAL   447    LOWEST  SLP 29.48 ON 14

[REMARKS]
#FINAL-10-20#


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