WFO Monthly/Daily Climate Data
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CXUS53 KLOT 010800
CF6MDW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-MIDWAY
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   41 46 N
                                          LONGITUDE:  87 45 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  83  43  63   7   2   0 0.00    M    M 16.4 32 230   M    M   4        47 240
 2  84  62  73  16   0   8 0.02    M    M 17.6 30 210   M    M   7        42 190
 3  71  56  64   7   1   0 0.13    M    M  8.6 23 250   M    M  10 1      30 250
 4  58  47  53  -4  12   0 0.03    M    M  7.4 16 350   M    M   9 1      20 350
 5  59  42  51  -7  14   0 0.00    M    M  9.6 17  90   M    M   4        26  20
 6  56  44  50  -8  15   0 0.07    M    M  7.2 18  10   M    M   8        26 350
 7  60  42  51  -7  14   0    T    M    M 10.0 22  50   M    M   5        28  50
 8  52  37  45 -14  20   0 0.38    M    M  8.1 15 170   M    M   7 1      21 100
 9  56  40  48 -11  17   0 0.63    M    M 12.6 26  70   M    M   7 1      36  50
10  51  39  45 -15  20   0    T    M    M  8.3 17  50   M    M   7        23  80
11  53  37  45 -15  20   0 0.00    M    M  7.4 20  40   M    M   4        28  80
12  60  38  49 -11  16   0 0.00    M    M  5.9 16  60   M    M   1        22  80
13  70  41  56  -4   9   0 0.00    M    M  4.7 15 110   M    M   1        24 110
14  71  47  59  -2   6   0 0.00    M    M  6.3 16  90   M    M   5        23 100
15  61  54  58  -3   7   0 0.13    M    M  6.4 16 230   M    M   9        24 230
16  72  54  63   1   2   0 0.00    M    M  5.0 13  80   M    M   9        20 100
17  70  57  64   2   1   0 0.00    M    M  7.5 15 140   M    M   9        24 130
18  75  59  67   5   0   2 0.06    M    M  9.5 21 150   M    M   9        30 140
19  74  64  69   6   0   4 0.08    M    M 11.3 23 180   M    M   9 1      39 160
20  85  66  76  13   0  11 0.00    M    M 10.4 22 170   M    M   8        36 200
21  86  67  77  14   0  12 0.00    M    M  9.2 21 240   M    M   8        30 210
22  87  66  77  13   0  12 0.00    M    M  8.6 17 240   M    M   7        21 230
23  82  59  71   7   0   6 0.01    M    M  7.4 14  60   M    M   7        19 290
24  90  58  74  10   0   9 0.00    M    M  7.8 17 240   M    M   8 1      26 170
25  87  73  80  15   0  15    T    M    M 13.4 25 250   M    M   9        38 250
26  82  59  71   6   0   6 0.39    M    M 11.8 24 250   M    M   6 1      35 250
27  63  51  57  -8   8   0 0.04    M    M 16.0 24  20   M    M   9 1      32  10
28  51  45  48 -18  17   0 0.87    M    M 18.7 29  80   M    M  10 13     37  80
29  61  46  54 -12  11   0 0.00    M    M 13.5 25  60   M    M   2        34  60
30  69  41  55 -11  10   0 0.00    M    M  4.3 13 100   M    M   5        19  80
31  71  55  63  -4   2   0    T    M    M  7.3 18 210   M    M   9        29 210
================================================================================
SM 2150 1589       224  85  2.84    M    298.2          M      212
================================================================================
AV 69.4 51.3                               9.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    32 230                 47 240
================================================================================
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-MIDWAY
                                          MONTH:     MAY
                                          YEAR:      2021
                                          LATITUDE:   41 46 N
                                          LONGITUDE:  87 45 W

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

AVERAGE MONTHLY: 60.3   TOTAL FOR MONTH:   2.84    1 = FOG OR MIST
DPTR FM NORMAL:  -1.2   DPTR FM NORMAL:   -1.25    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 24    GRTST 24HR  1.01 ON  8- 9      TO 1/4 MILE OR LESS
LOWEST:     37 ON 11, 8                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:  13
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   6
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.   224    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL    46    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1  5502    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL  -227

[CDD (BASE 65) ]
TOTAL THIS MO.    85
DPTR FM NORMAL    14    [PRESSURE DATA]
TOTAL FM JAN 1   109    HIGHEST SLP M ON M
DPTR FM NORMAL    27    LOWEST  SLP 29.54 ON  2

[REMARKS]
#FINAL-05-21#