WFO Monthly/Daily Climate Data
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937
CXUS53 KLOT 010800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     JANUARY
                                          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  35  19  27   3  38   0 0.38  1.3    1 11.8 23  40   M    M   9 1468   31  50
 2  35  28  32   8  33   0    T  0.0    2  6.3 16 340   M    M  10 18     22 340
 3  33  26  30   6  35   0 0.03  0.4    2  6.9 13 200   M    M  10 1      17 230
 4  30  24  27   3  38   0    T    T    2  7.8 14 200   M    M  10 146    17 220
 5  37  29  33   9  32   0 0.00  0.0    2  5.6 15 300   M    M  10 18     20 300
 6  39  31  35  11  30   0 0.00  0.0    2  4.6 10  10   M    M   9 18     14  10
 7  38  33  36  12  29   0 0.00  0.0    2  9.2 15  60   M    M  10 1      19  40
 8  36  30  33   9  32   0 0.02  0.2    1 11.9 22  30   M    M  10 1      26  40
 9  37  28  33   9  32   0 0.00  0.0    1  7.3 13 330   M    M   8        19 340
10  29  24  27   3  38   0 0.00  0.0    1  5.9 15 240   M    M  10        20 250
11  30  22  26   2  39   0    T    T    1 13.2 20 210   M    M   9 18     29 230
12  37  27  32   8  33   0 0.00  0.0    1 10.7 16 240   M    M   3        25 220
13  41  31  36  12  29   0 0.00  0.0    1  8.4 15 200   M    M   8        20 210
14  40  32  36  12  29   0 0.14    T    0  9.1 20 170   M    M   8 1      30 160
15  39  30  35  11  30   0 0.01    T    0  6.0 14 200   M    M   8 1      20 200
16  36  30  33   9  32   0 0.07  0.7    1  8.4 15 310   M    M  10 1      22 310
17  34  27  31   8  34   0 0.05  0.7    1  6.8 10 280   M    M  10 1      15 310
18  30  23  27   4  38   0    T  0.1    1  9.2 17 280   M    M   9 1      24 270
19  32  20  26   3  39   0 0.05  1.7    1 10.0 23 340   M    M   9 128    30 350
20  34  13  24   1  41   0    T    T    1 13.0 25 220   M    M   4        38 200
21  39  30  35  11  30   0 0.00  0.0    1 14.2 26 260   M    M   2        40 260
22  30  12  21  -3  44   0 0.00  0.0    0 10.3 20 320   M    M   1        26 330
23  30  10  20  -4  45   0 0.00  0.0    0  5.6 12 160   M    M   5        16 150
24  34  27  31   7  34   0 0.02    T    0  7.0 13  20   M    M  10 1      19 160
25  34  28  31   7  34   0 0.05  0.7    0 14.3 25  70   M    M  10 1      37  60
26  32  25  29   5  36   0 0.48  5.3    3 17.7 25 350   M    M  10 19     34  40
27  27  14  21  -3  44   0    T    T    6 11.1 16 350   M    M   8 8      22 350
28  26   8  17  -7  48   0 0.00  0.0    5  5.1 13 330   M    M   3        17 320
29  32  16  24   0  41   0 0.00  0.0    5  6.1 14 140   M    M   7        19 120
30  34  29  32   8  33   0 0.36  4.5    4 16.5 29 100   M    M  10 12     41 100
31  32  30  31   7  34   0 0.29  6.3   11 16.7 24  30   M    M  10 1      33  10
================================================================================
SM 1052  756      1104   0  1.95 21.9    296.7          M      250
================================================================================
AV 33.9 24.4                               9.6 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->    29 100                 41 100
================================================================================
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:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 29.2   TOTAL FOR MONTH:   1.95    1 = FOG OR MIST
DPTR FM NORMAL:   5.4   DPTR FM NORMAL:    0.22    2 = FOG REDUCING VISIBILITY
HIGHEST:    41 ON 13    GRTST 24HR  0.48 ON 26-26      TO 1/4 MILE OR LESS
LOWEST:      8 ON 28                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  21.9 INCHES  5 = HAIL
                        GRTST 24HR   6.3 ON 31-31  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  11 ON 31     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:  12    0.01 INCH OR MORE:  13
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  30    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1104    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL  -175    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  3093    CLOUDY (SCALE 8-10) 21
DPTR FM NORMAL  -597

[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 29.42 ON 15

[REMARKS]
#FINAL-01-21#



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