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000
CXUS53 KLOT 011450
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     DECEMBER
                                          YEAR:      2023
                                          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  44  39  42   7  23   0 0.66  0.0    0  8.0 17  60   M    M  10 18     22  60
 2  43  39  41   7  24   0    T  0.0    0  6.3 14 340   M    M  10 1      17 340
 3  40  36  38   4  27   0 0.28  0.0    0  7.1 16 260   M    M  10 1      21 270
 4  41  32  37   3  28   0 0.00  0.0    0  6.0 12 260   M    M   9        15 260
 5  41  32  37   4  28   0 0.12  0.3    0  8.8 17 360   M    M   9 1      22 320
 6  39  32  36   3  29   0 0.00  0.0    0 10.4 21 220   M    M   8        33 230
 7  51  36  44  11  21   0 0.00  0.0    0 10.3 21 220   M    M   4        32 210
 8  56  46  51  19  14   0 0.00  0.0    0 14.4 24 200   M    M   6        35 210
 9  54  35  45  13  20   0 0.24  0.0    0 15.7 25 260   M    M   9 1      41 260
10  35  30  33   1  32   0    T    T    0  9.7 20 260   M    M  10        29 260
11  36  28  32   0  33   0    T    T    0  7.2 15 200   M    M   6 5      21 200
12  38  27  33   2  32   0 0.00  0.0    0  9.1 16 280   M    M   3        23 290
13  41  23  32   1  33   0 0.00  0.0    0  5.3 13 220   M    M   3        17 210
14  51  32  42  11  23   0 0.00  0.0    0  7.3 16 230   M    M   1        24 260
15  53  35  44  14  21   0 0.00  0.0    0  6.4 17 200   M    M   6        23 200
16  46  41  44  14  21   0 0.41  0.0    0  9.0 16 140   M    M  10 1      26 160
17  44  36  40  10  25   0    T  0.0    0  9.6 18 250   M    M  10 1      30 290
18  36  20  28  -2  37   0    T    T    0 16.1 29 320   M    M   7        40 320
19  33  17  25  -5  40   0 0.00  0.0    0  8.9 16 230   M    M   6        22 170
20  45  30  38   9  27   0 0.00  0.0    0  5.5 12 200   M    M   7        17 190
21  48  33  41  12  24   0 0.01  0.0    0  5.1  8 150   M    M  10        13  10
22  45  43  44  15  21   0 0.50  0.0    0  5.3  9 150   M    M  10 1      12 160
23  49  43  46  17  19   0    T  0.0    0  2.5  7 110   M    M  10 12     10  30
24  55  48  52  24  13   0    T  0.0    0  8.3 15 140   M    M   9 12     20 160
25  59  50  55  27  10   0 0.39  0.0    0 11.8 22 110   M    M   9 1      29 110
26  50  31  41  13  24   0 0.01  0.0    0  6.5 18 210   M    M   8 18     26 230
27  42  30  36   8  29   0 0.00  0.0    0  9.0 21  10   M    M   7        26 360
28  42  34  38  10  27   0 0.13  0.0    0 11.1 17 360   M    M  10 1      23 330
29  40  31  36   9  29   0 0.14  0.0    0  9.7 17 350   M    M   9 1      22 350
30  37  27  32   5  33   0 0.00  0.0    0  7.0 15 210   M    M   6 1      21 230
31  36  31  34   7  31   0 0.08  0.9    0 10.3 21 320   M    M  10 16     26 330
================================================================================
SM 1370 1047       798   0  2.97  1.2    267.7          M      242
================================================================================
AV 44.2 33.8                               8.6 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->    29 320                 41 260
================================================================================
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:     DECEMBER
                                          YEAR:      2023
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 39.0   TOTAL FOR MONTH:   2.97    1 = FOG OR MIST
DPTR FM NORMAL:   8.5   DPTR FM NORMAL:    0.86    2 = FOG REDUCING VISIBILITY
HIGHEST:    59 ON 25    GRTST 24HR  0.66 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     17 ON 19                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.2 INCHES  5 = HAIL
                        GRTST 24HR   0.9 ON 31-31  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:   9
MIN 32 OR BELOW:  16    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   798    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL  -271    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  1762    CLOUDY (SCALE 8-10) 17
DPTR FM NORMAL  -458

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1145    HIGHEST SLP 30.70 ON 14
DPTR FM NORMAL   142    LOWEST  SLP 29.55 ON  9

[REMARKS]
#FINAL-12-23#