WFO Monthly/Daily Climate Data
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CXUS55 KLOT 011453
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     DECEMBER
                                          YEAR:      2015
                                          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  43  37  40   7  25   0 0.18  0.0    0 10.4 21 240   M    M   8 13     29 230
 2  38  31  35   3  30   0 0.21  1.3    0  8.5 17 310   M    M   8 1      22 310
 3  35  30  33   1  32   0 0.00  0.0    0 10.8 17 260   M    M   9 1      22 240
 4  47  32  40   9  25   0 0.00  0.0    0  8.4 17 230   M    M   6 18     21 230
 5  46  29  38   7  27   0 0.00  0.0    0  7.8 13 170   M    M   8 1      18 200
 6  47  27  37   6  28   0 0.00  0.0    0  5.2 12 140   M    M   6 18     14 140
 7  39  27  33   3  32   0    T  0.0    0  6.9 18 180   M    M   8 12     23 180
 8  47  38  43  13  22   0 0.00  0.0    0 10.9 18 190   M    M   9 18     22 200
 9  52  40  46  17  19   0 0.00  0.0    0  8.2 16 250   M    M   6 18     19 240
10  57  41  49  20  16   0 0.00  0.0    0 17.0 35 250   M    M   6        44 250
11  51  41  46  17  19   0    T  0.0    0  7.7 17 250   M    M   8        23 250
12  57  47  52  24  13   0    T  0.0    0  3.3 10  70   M    M  10 128    17  60
13  61  48  55  27  10   0 0.85  0.0    0 13.6 28 190   M    M  10 1      35 160
14  61  42  52  24  13   0 0.39  0.0    0 15.9 35 220   M    M   9 1      48 210
15  43  39  41  13  24   0    T  0.0    0  9.9 18 150   M    M  10        23 150
16  53  35  44  17  21   0 0.12  0.0    0 16.4 26 260   M    M   9 1      37 250
17  35  28  32   5  33   0 0.00  0.0    0 14.3 24 260   M    M   9        33 280
18  32  24  28   1  37   0    T  0.2    0 13.2 29 290   M    M   7 8      36 290
19  30  15  23  -3  42   0 0.00  0.0    0 11.5 21 280   M    M   2        26 280
20  50  23  37  11  28   0 0.03  0.0    0 16.4 28 200   M    M   9        37 200
21  52  41  47  21  18   0 0.67  0.0    0 11.7 23 210   M    M  10 1      30 190
22  41  35  38  12  27   0 0.02  0.0    0  9.0 21 150   M    M  10 1      24 150
23  59  40  50  24  15   0 0.49  0.0    0 17.2 39 250   M    M  10 123    53 250
24  42  34  38  12  27   0 0.00  0.0    0 11.7 31 260   M    M   9        41 260
25  44  32  38  13  27   0 0.00  0.0    0  8.1 17  50   M    M   7        23  40
26  42  37  40  15  25   0 0.21  0.0    0 10.0 23 100   M    M   9 12     27  30
27  40  35  38  13  27   0 0.14    T    0 17.3 25  20   M    M  10 1      34  10
28  39  31  35  10  30   0 1.47  1.9    0 19.1 31  60   M    M  10 146    42  70
29  39  29  34   9  31   0    T    T    1 11.4 21 230   M    M  10 1      27 240
30  29  27  28   3  37   0 0.09  1.1    1  8.7 15 260   M    M  10 18     18 270
31  28  22  25   1  40   0    T    T    0 13.3 20 260   M    M   8        26 290
================================================================================
SM 1379 1037       800   0  4.87     4.5 353.8          M      260
================================================================================
AV 44.5 33.5                              11.4 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->  # 39 250               # 53  250
================================================================================
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:     2015
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 39.0   TOTAL FOR MONTH:   4.87    1 = FOG OR MIST
DPTR FM NORMAL:  11.3   DPTR FM NORMAL:    2.62    2 = FOG REDUCING VISIBILITY
HIGHEST:    61 ON 14,13 GRTST 24HR  1.47 ON 28-28      TO 1/4 MILE OR LESS
LOWEST:     15 ON 19                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   4.5 INCHES  5 = HAIL
                        GRTST 24HR   1.9 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON 30,29  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:   4    0.01 INCH OR MORE:  13
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   800    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL  -355    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  1773    CLOUDY (SCALE 8-10) 20
DPTR FM NORMAL  -638

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   806    HIGHEST SLP 30.66 ON  5
DPTR FM NORMAL   -37    LOWEST  SLP 29.11 ON 23

[REMARKS]
#FINAL-12-15#



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