WFO Monthly/Daily Climate Data
Issued by NWS Chicago, IL

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141
CXUS53 KLOT 190800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROMEOVILLE WFO
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   41 36 N
                                          LONGITUDE:  88  5 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  78  60  69  -1   0   4 0.00  0.0    0  9.8 16 360   M    M   1        18  40
 2  75  57  66  -4   0   1 0.00  0.0    0  5.3  9  80   M    M   2        12  99
 3  76  56  66  -4   0   1 0.00  0.0    0  6.1 14 140   M    M   0        15  99
 4  82  56  69  -1   0   4 0.00  0.0    0  4.5 10 130   M    M   0        17 130
 5  86  62  74   5   0   9 0.00  0.0    0  7.1 13 230   M    M   4        22 250
 6  72  56  64  -5   1   0 0.00  0.0    0  9.7 15  10   M    M   3        17  10
 7  66  47  57 -12   8   0 0.00  0.0    0  7.3 17 340   M    M   0        23 350
 8  71  43  57 -12   8   0 0.00  0.0    M  7.0 14 240   M    M   0        16 270
 9  79  51  65  -3   0   0 0.00  0.0    0  7.7 13 250   M    M   1        18 280
10  81  52  67  -1   0   2 0.00  0.0    M  4.6 12 200   M    M   2        15 200
11  85  56  71   3   0   6 0.00  0.0    M  4.7  9 160   M    M   0         M   M
12  89  61  75   8   0  10 0.00  0.0    0  7.5 14  50   M    M   0        21  60
13  86  64  75   8   0  10 0.00  0.0    0  9.1 15  70   M    M   0        22  70
14  90  64  77  10   0  12 0.00  0.0    0  7.3 13 130   M    M   1        15 140
15  89  67  78  12   0  13 0.00  0.0    0  6.8 14 120   M    M   1        15  99
16  90  62  76  10   0  11 0.00  0.0    0  6.6 14  50   M    M   1         M   M
17  85  59  72   6   0   7 0.00  0.0    0  4.7 10  50   M    M   0        15  80
18  86  58  72   7   0   7 0.00  0.0    0  3.0  7 190   M    M   0 1      14 190
================================================================================
SM 1466 1031        17  97  0.00  0.0    118.8          M       16
================================================================================
AV 81.4 57.3                               6.6 FASTST   M    M   1    MAX(MPH)
                                 MISC ---->    17 340                 23 350
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   ROMEOVILLE WFO
                                          MONTH:     SEPTEMBER
                                          YEAR:      2024
                                          LATITUDE:   41 36 N
                                          LONGITUDE:  88  5 W

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

AVERAGE MONTHLY: 69.4   TOTAL FOR MONTH:   0.00    1 = FOG OR MIST
DPTR FM NORMAL:   1.4   DPTR FM NORMAL:   -2.03    2 = FOG REDUCING VISIBILITY
HIGHEST:    90 ON 16,14  GRTST 24HR  0.00 ON  1- 1      TO 1/4 MILE OR LESS
LOWEST:     43 ON  8                               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:   0
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   0
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.    17    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL   -11    PTCLDY (SCALE 4-7)   2
TOTAL FM JUL 1    21    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL   -13

[CDD (BASE 65) ]
TOTAL THIS MO.    97
DPTR FM NORMAL    16    [PRESSURE DATA]
TOTAL FM JAN 1   966    HIGHEST SLP M ON M
DPTR FM NORMAL    60    LOWEST  SLP M ON M

[REMARKS]