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

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     DECEMBER
                                          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  49  34  42   7  23   0    T  0.0    0  8.8 18 220   M    M   9        26 220
 2  59  44  52  18  13   0    T  0.0    0  9.9 24 240   M    M   7        35 240
 3  51  37  44  10  21   0    T  0.0    0  6.9 15  60   M    M   7 1      18  60
 4  44  31  38   4  27   0 0.00  0.0    0  6.7 15 340   M    M   8 1      22 320
 5  41  34  38   5  27   0 0.26    T    0  9.4 22 120   M    M  10 14     29 140
 6  38  15  27  -6  38   0    T    T    0 17.4 29 280   M    M   5        43 270
 7  26  13  20 -13  45   0    T    T    0  7.0 17 180   M    M   8        23 180
 8  35  25  30  -2  35   0 0.00  0.0    0  6.8 14 220   M    M   6        19 220
 9  46  28  37   5  28   0 0.00  0.0    0  8.7 17 170   M    M   9        27 200
10  60  36  48  16  17   0 0.84  0.0    0  9.1 22 200   M    M   9 1      34 210
11  58  32  45  13  20   0    T    T    0 16.3 41 240   M    M   5        59 250
12  48  32  40   9  25   0 0.00  0.0    0 14.2 22 210   M    M   4        33 210
13  49  33  41  10  24   0 0.00  0.0    0  7.5 17 220   M    M   3        27 210
14  54  32  43  12  22   0 0.03  0.0    0  8.0 22 190   M    M   7 18     34 200
15  66  50  58  28   7   0 0.00  0.0    0 19.0 41 200   M    M  10        66 200
16  66  32  49  19  16   0    T  0.0    0 19.2 37 200   M    M   4 8      54 210
17  40  26  33   3  32   0    T  0.0    0  8.3 16  60   M    M   5        22  60
18  40  31  36   6  29   0 0.06    T    0 10.1 20 360   M    M   9 1      25 320
19  37  28  33   3  32   0 0.00  0.0    0  7.3 16 190   M    M   6        23 190
20  42  30  36   7  29   0 0.00  0.0    0 10.9 22 210   M    M   5        33 200
21  40  23  32   3  33   0 0.00  0.0    0 11.7 24 280   M    M   5        36 250
22  31  19  25  -4  40   0 0.00  0.0    0  8.1 21 310   M    M   4        29 300
23  46  27  37   8  28   0 0.00  0.0    0  7.9 17 210   M    M   9 18     25 210
24  57  34  46  18  19   0 0.00  0.0    0  9.0 16 180   M    M  10 18     23 170
25  55  31  43  15  22   0 0.03  0.0    0  9.2 22 360   M    M   6 1      26 360
26  43  26  35   7  30   0 0.37  0.0    0  8.4 28 100   M    M   5 13     37  90
27  46  32  39  11  26   0 0.32  0.0    0 10.4 21 270   M    M   9 13     31 270
28  37  30  34   6  31   0 0.38  1.5    0  6.3 17  40   M    M  10 12     21  40
29  36  28  32   5  33   0 0.01  0.4    1  8.1 15  40   M    M   9 18     19  40
30  37  29  33   6  32   0    T    T    0  5.2 10 240   M    M  10 18     18 270
31  43  33  38  11  27   0    T  0.0    0  8.2 18  10   M    M  10 18     28  20
================================================================================
SM 1420  935       831   0  2.30  1.9    304.0          M      223
================================================================================
AV 45.8 30.2                               9.8 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 41 240                 66 200
================================================================================
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:      2021
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 38.0   TOTAL FOR MONTH:   2.30    1 = FOG OR MIST
DPTR FM NORMAL:   7.5   DPTR FM NORMAL:    0.19    2 = FOG REDUCING VISIBILITY
HIGHEST:    66 ON 16,15  GRTST 24HR  0.84 ON 10-10      TO 1/4 MILE OR LESS
LOWEST:     13 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   1.9 INCHES  5 = HAIL
                        GRTST 24HR   1.5 ON 28-28  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON 29     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:   2    0.01 INCH OR MORE:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  22    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   831    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL  -238    PTCLDY (SCALE 4-7)  18
TOTAL FM JUL 1  1799    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -421

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1316    HIGHEST SLP M ON M
DPTR FM NORMAL   313    LOWEST  SLP 29.14 ON 11

[REMARKS]
#FINAL-12-21#