449
CXUS53 KLOT 060800
CF6ORD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   CHICAGO-OHARE
                                          MONTH:     MAY
                                          YEAR:      2025
                                          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  68  51  60   5   5   0 0.20  0.0    0  9.8 26 230   M    M  10 13     40 240
 2  57  46  52  -4  13   0    T  0.0    0  7.5 14  60   M    M  10 18     19  70
 3  54  44  49  -7  16   0 0.00  0.0    0 15.2 23  30   M    M   7        29  30
 4  59  45  52  -4  13   0 0.13  0.0    0 15.2 26  30   M    M   9        33  40
 5  61  47  54  -3  11   0    T  0.0    0  9.0 21  40   M    M   8 1      29  40
================================================================================
SM  299  233        58   0  0.33  0.0     56.7          M       44
================================================================================
AV 59.8 46.6                              11.3 FASTST   M    M   9    MAX(MPH)
                                 MISC ---->  # 26 230                 40 240
================================================================================
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:     MAY
                                          YEAR:      2025
                                          LATITUDE:   41 58 N
                                          LONGITUDE:  87 54 W

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

AVERAGE MONTHLY: 53.2   TOTAL FOR MONTH:   0.33    1 = FOG OR MIST
DPTR FM NORMAL:  -2.8   DPTR FM NORMAL:   -0.40    2 = FOG REDUCING VISIBILITY
HIGHEST:    68 ON  1    GRTST 24HR  0.20 ON 30- 1      TO 1/4 MILE OR LESS
LOWEST:     44 ON  3                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            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:   2
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.    58    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL    10    PTCLDY (SCALE 4-7)   2
TOTAL FM JUL 1  5251    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -542

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL    -5    [PRESSURE DATA]
TOTAL FM JAN 1     8    HIGHEST SLP M ON M
DPTR FM NORMAL    -7    LOWEST  SLP 29.59 ON  1

[REMARKS]