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000
CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     MAY
                                          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  42  64   9   1   0 0.00  0.0    0 17.3 35 220   M    M   4        49 220
 2  85  63  74  18   0   9 0.00  0.0    0 16.0 29 190   M    M   6        40 190
 3  73  58  66  10   0   1 0.07  0.0    0  8.7 17 330   M    M  10 1      26 190
 4  58  45  52  -4  13   0    T  0.0    0  8.4 15 360   M    M   9        19 320
 5  61  41  51  -6  14   0 0.00  0.0    0  9.2 21 350   M    M   4        30 360
 6  56  44  50  -7  15   0 0.06  0.0    0  7.5 17  30   M    M   8        23 360
 7  60  39  50  -8  15   0 0.00  0.0    0  9.9 23  40   M    M   5        30 340
 8  54  37  46 -12  19   0 0.10  0.0    0  6.7 15  90   M    M   6        21 100
 9  57  40  49  -9  16   0 0.12  0.0    0 12.3 23  20   M    M   7 1      29  30
10  52  39  46 -12  19   0    T  0.0    0  9.2 17  40   M    M   7        24  10
11  56  36  46 -13  19   0 0.00  0.0    0  6.9 21  40   M    M   3        31  40
12  62  37  50  -9  15   0 0.00  0.0    0  5.8 14  70   M    M   1        21  70
13  70  41  56  -4   9   0 0.00  0.0    0  4.9 14 160   M    M   1        19  70
14  71  48  60   0   5   0 0.00  0.0    0  6.8 20 100   M    M   5        24 100
15  62  55  59  -1   6   0 0.01  0.0    0  7.2 18 210   M    M  10        29 190
16  72  55  64   3   1   0 0.00  0.0    0  3.9 12  90   M    M   8        16 180
17  70  56  63   2   2   0 0.00  0.0    0  7.7 15 110   M    M   8        21 120
18  76  58  67   6   0   2 0.07  0.0    0  9.9 21 180   M    M   9        30 180
19  75  65  70   8   0   5 0.04  0.0    0 10.9 21 170   M    M   9 18     30 180
20  86  66  76  14   0  11 0.00  0.0    0 10.8 21 180   M    M   8        33 170
21  86  69  78  16   0  13 0.00  0.0    0  8.6 21 200   M    M   8        30 240
22  88  70  79  16   0  14 0.00  0.0    0  7.6 16 230   M    M   7        23 230
23  82  56  69   6   0   4 0.02  0.0    0  7.7 15  40   M    M   8 18     18  30
24  90  56  73  10   0   8 0.00  0.0    0  7.3 16 210   M    M   8 12     24 250
25  85  68  77  13   0  12 0.03  0.0    0 13.5 25 240   M    M   8 1      37 250
26  82  56  69   5   0   4 0.74  0.0    0 11.7 22 220   M    M   5 13     32 310
27  59  49  54 -10  11   0 0.03  0.0    0 17.7 28  30   M    M   9        38  20
28  49  44  47 -18  18   0 0.50  0.0    0 19.5 32  40   M    M  10 13     42  30
29  60  45  53 -12  12   0 0.00  0.0    0 12.6 24  30   M    M   2        33  30
30  69  42  56  -9   9   0 0.00  0.0    0  4.9 14  80   M    M   5        21  80
31  70  54  62  -4   3   0 0.00  0.0    0  7.2 17 240   M    M   9        25 200
================================================================================
SM 2161 1574       222  83  1.79  0.0    298.3          M      207
================================================================================
AV 69.7 50.8                               9.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    35 220                 49 220
================================================================================
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:     MAY
                                          YEAR:      2021
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 60.2   TOTAL FOR MONTH:   1.79    1 = FOG OR MIST
DPTR FM NORMAL:  -0.4   DPTR FM NORMAL:   -2.70    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 24    GRTST 24HR  0.77 ON 25-26      TO 1/4 MILE OR LESS
LOWEST:     36 ON 11                               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:   1    0.10 INCH OR MORE:   4
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.   222    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    24    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  5602    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL  -341

[CDD (BASE 65) ]
TOTAL THIS MO.    83
DPTR FM NORMAL    23    [PRESSURE DATA]
TOTAL FM JAN 1   101    HIGHEST SLP M ON M
DPTR FM NORMAL    31    LOWEST  SLP 29.52 ON 30

[REMARKS]
#FINAL-05-21#