WFO Monthly/Daily Climate Data
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CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     OCTOBER
                                          YEAR:      2021
                                          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  85  61  73  13   0   8 0.00  0.0    0  5.9 12 210   M    M   4        16 170
 2  80  66  73  13   0   8 0.02  0.0    0  8.0 17 210   M    M   9 138    25 210
 3  76  65  71  12   0   6 0.14  0.0    0  5.3 13 230   M    M   8 13     16 240
 4  73  64  69  10   0   4    T  0.0    0 11.8 25  20   M    M   9 1      29  10
 5  67  65  66   8   0   1 0.00  0.0    0 11.5 18  30   M    M  10        23  70
 6  68  64  66   8   0   1    T  0.0    0  9.6 15  60   M    M  10 18     20  60
 7  75  65  70  12   0   5 0.66  0.0    0  4.9 18 220   M    M   9 13     28 220
 8  75  62  69  12   0   4 0.01  0.0    0  3.4 15 250   M    M   8 13     19 240
 9  80  64  72  15   0   7 0.01  0.0    0  5.7 14 140   M    M   7 1      19 170
10  79  70  75  19   0  10 0.02  0.0    0 10.5 23 220   M    M   8        31 230
11  77  62  70  14   0   5 0.75  0.0    0 11.1 20 130   M    M   8 13     30 200
12  65  56  61   5   4   0 0.01  0.0    0  8.1 17 240   M    M   7 1      23 240
13  71  53  62   7   3   0 0.35  0.0    0  7.4 18 150   M    M   8 13     26 150
14  71  56  64   9   1   0 0.16  0.0    0  5.9 17 300   M    M   8 1      25 310
15  62  51  57   3   8   0 0.02  0.0    0  7.3 15 340   M    M   7        21 290
16  59  44  52  -2  13   0 0.00  0.0    0 10.5 21 300   M    M   1        31 320
17  66  42  54   0  11   0 0.00  0.0    0  7.1 16 270   M    M   1        24 280
18  72  45  59   6   6   0 0.00  0.0    0  4.3 12 250   M    M   0 8      17 250
19  71  52  62   9   3   0 0.00  0.0    0  8.0 16 200   M    M   2        23 200
20  72  53  63  11   2   0    T  0.0    0  8.6 17 190   M    M   6 3      24 190
21  65  44  55   3  10   0    T  0.0    0 11.2 20 270   M    M   8 1      33 280
22  56  41  49  -3  16   0 0.00  0.0    0  5.5 12 310   M    M   7        17 320
23  56  39  48  -3  17   0 0.00  0.0    0  3.5 10 100   M    M   3        14  90
24  51  39  45  -6  20   0 1.85  0.0    0 12.2 31  60   M    M   9 138    41  60
25  55  47  51   1  14   0 0.76  0.0    0 19.6 33  30   M    M   9 13     46  50
26  57  41  49  -1  16   0 0.00  0.0    0  7.7 15  10   M    M   5        19  10
27  56  38  47  -3  18   0 0.00  0.0    0  7.3 16 120   M    M   5        21 100
28  57  48  53   4  12   0 0.44  0.0    0  9.8 20 100   M    M  10 1      27 120
29  56  53  55   6  10   0 0.53  0.0    0 17.6 26  20   M    M  10 1      35  30
30  59  45  52   4  13   0 0.04  0.0    0 12.2 23  30   M    M   7 1      30  10
31  53  39  46  -2  19   0 0.00  0.0    0 10.1 21 320   M    M   3        28 340
================================================================================
SM 2065 1634       216  59  5.77  0.0    271.6          M      206
================================================================================
AV 66.6 52.7                               8.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    33  30                 46  50
================================================================================
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:      2021
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 59.7   TOTAL FOR MONTH:   5.77    1 = FOG OR MIST
DPTR FM NORMAL:   5.7   DPTR FM NORMAL:    2.34    2 = FOG REDUCING VISIBILITY
HIGHEST:    85 ON  1    GRTST 24HR  2.61 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     38 ON 27                               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:  16
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   5
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   216    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL  -139    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1   232    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL  -208

[CDD (BASE 65) ]
TOTAL THIS MO.    59
DPTR FM NORMAL    44    [PRESSURE DATA]
TOTAL FM JAN 1  1316    HIGHEST SLP M ON M
DPTR FM NORMAL   313    LOWEST  SLP 29.49 ON 29

[REMARKS]
#FINAL-10-21#


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