WFO Monthly/Daily Climate Data
Issued by NWS

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754
CXUS55 KLOT 200700
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     FEBRUARY
                                          YEAR:      2018
                                          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  35   8  22  -2  43   0 0.00  0.0    0 15.5 26 310   M    M   4        34 320
 2  22   5  14 -10  51   0 0.00  0.0    0 10.3 17 220   M    M   3        22 220
 3  41  22  32   7  33   0 0.03  0.8    0 13.2 28 220   M    M  10 1      37 230
 4  35   4  20  -5  45   0 0.08  1.1    1 13.4 24 340   M    M   8 19     31 350
 5  12  -3   5 -20  60   0 0.22  2.2    2  6.9 14 220   M    M   7 1      18 250
 6  21   3  12 -13  53   0 0.02  0.2    4  5.3 12 340   M    M   6 1      15 290
 7  20   8  14 -11  51   0 0.11  1.7    4  9.4 17 290   M    M  10 18     21 290
 8  21   7  14 -12  51   0 0.15  1.6    4  6.9 13 240   M    M   8 1      16 250
 9  28  18  23  -3  42   0 0.57  6.2    8 10.8 21  20   M    M  10 189    25  30
10  22  14  18  -8  47   0 0.05  0.8   10  9.5 17 350   M    M  10 1      22 350
11  22  11  17  -9  48   0 0.39  3.7   12 10.0 16 340   M    M   8 128    20 340
12  27   4  16 -11  49   0 0.00  0.0   12  6.3 13 340   M    M   4        15 340
13  35   7  21  -6  44   0 0.00  0.0   11  6.2 14 180   M    M   8 8      16 190
14  44  24  34   7  31   0    T  0.0   10  9.7 16 220   M    M   5 128    21 220
15  48  38  43  15  22   0    T  0.0    4  6.3 15  40   M    M  10 128    19 350
16  37  20  29   1  36   0 0.00  0.0    0 10.1 20 340   M    M   6        27 340
17  35  17  26  -2  39   0 0.11  2.0    0  8.6 17 270   M    M   8 12     23 280
18  41  12  27  -1  38   0 0.02  0.0    2 10.7 21 150   M    M   5 18     26 180
19  60  37  49  20  16   0 0.52  0.0    0 12.0 24 200   M    M   9 1      33 210
================================================================================
SM  606  256       799   0  2.27    20.3 181.1          M      139
================================================================================
AV 31.9 13.5                               9.5 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 28 220               # 37  230
================================================================================
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:    FEBRUARY
                                          YEAR:     2018
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 22.7   TOTAL FOR MONTH:   2.27    1 = FOG OR MIST
DPTR FM NORMAL:  -3.6   DPTR FM NORMAL:    1.16    2 = FOG REDUCING VISIBILITY
HIGHEST:    60 ON 19    GRTST 24HR  0.57 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     -3 ON  5                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  20.3 INCHES  5 = HAIL
                        GRTST 24HR   6.2 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  12 ON 12,11  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:   9    0.01 INCH OR MORE:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  17    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   799    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    65    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  4252    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -172

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.70 ON 15

[REMARKS]



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