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

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

                                          STATION:   ROMEOVILLE WFO
                                          MONTH:     APRIL
                                          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  50  41  46   1  19   0 0.59  0.0    0 14.1138  60   M    M  10 13     30  60
 2  60  35  48   3  17   0 0.21    T    0 15.4 24 210   M    M  10 1      44 210
 3  38  33  36 -10  29   0 0.15    T    0 17.9 21 320   M    M  10 1      32 270
 4  43  35  39  -7  26   0 0.08    T    0 12.7 24 340   M    M  10 1      36 340
 5  49  34  42  -4  23   0 0.00  0.0    0  8.5 18  20   M    M   6        22  30
 6  56  32  44  -3  21   0 0.00  0.0    0  7.5 12  70   M    M   0        15  99
 7  54  41  48   1  17   0 0.46  0.0    0 13.2 28 110   M    M   3 18     38 110
 8  72  46  59  11   6   0 0.00  0.0    0 11.5 17 200   M    M   1        25 200
 9  62  45  54   6  11   0 0.00  0.0    0  9.8 16 240   M    M   2        23 240
10  69  41  55   7  10   0    T  0.0    0  4.6 13  80   M    M   3         M   M
11  60  49  55   6  10   0 0.07  0.0    0 10.8 17 290   M    M   8 1      28 320
12  64  48  56   7   9   0 0.01  0.0    0 15.5 28 280   M    M   5        41 280
13  71  39  55   6  10   0 0.00  0.0    0  9.8 18 180   M    M   0        25 180
14  82  59  71  21   0   6 0.00  0.0    0 10.3 18 260   M    M   0        29 260
15  77  49  63  13   2   0 0.00  0.0    0 10.1 15  40   M    M   0        13  40
16  82  54  68  18   0   3 0.04  0.0    0 16.4 27 140   M    M   5        37 140
17  70  52  61  10   4   0    T  0.0    0 19.6 27 250   M    M   9        38 180
18  63  47  55   4  10   0 0.11  0.0    0  8.6 16  30   M    M   5        23  30
19  57  41  49  -3  16   0 0.00  0.0    0 15.3 27 270   M    M   1        35 270
20  45  34  40 -12  25   0 0.00  0.0    0 13.7 18 280   M    M   6        27 280
21  57  32  45  -7  20   0 0.00  0.0    0  8.4 17 280   M    M   1        25 260
22  66  36  51  -2  14   0 0.00  0.0    0 16.7121 220   M    M   0        33 190
23  63  45  54   1  11   0 0.01    T    0 16.6 21 200   M    M   6 5      30 190
24  48  32  40 -13  25   0 0.00  0.0    0 12.5 20  20   M    M   4        27  20
25  61  32  47  -7  18   0 0.00  0.0    0  6.9 13  80   M    M   0        17 140
26  61  45  53  -1  12   0 0.61  0.0    0 14.6 24 110   M    M   3 1      36 130
27  77  59  68  14   0   3 0.05  0.0    0 17.6 25 210   M    M   8        35 200
28  75  63  69  14   0   4 2.05  0.0    0 15.4 30 200   M    M   7 1      44 180
29  68  54  61   6   4   0 1.32  0.0    0 11.6 22 210   M    M   7 1      29 210
30  73  48  61   5   4   0    T  0.0    0  6.3 14 180   M    M   1        16 240
================================================================================
SM 1873 1301       373  16  5.76    T    371.9          M      131
================================================================================
AV 62.4 43.4                              12.4 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->   138  60               # 44 210
================================================================================
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:     APRIL
                                          YEAR:      2024
                                          LATITUDE:   41 36 N
                                          LONGITUDE:  88  5 W

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

AVERAGE MONTHLY: 52.9   TOTAL FOR MONTH:   5.76    1 = FOG OR MIST
DPTR FM NORMAL:   2.6   DPTR FM NORMAL:    1.65    2 = FOG REDUCING VISIBILITY
HIGHEST:    82 ON 16,14  GRTST 24HR  2.05 ON 28-28      TO 1/4 MILE OR LESS
LOWEST:     32 ON 25,24                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  T            5 = HAIL
                        GRTST 24HR   T   ON  2- 2  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:  14
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   4    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   373    CLEAR  (SCALE 0-3)  13
DPTR FM NORMAL   -75    PTCLDY (SCALE 4-7)  12
TOTAL FM JUL 1  4978    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -884

[CDD (BASE 65) ]
TOTAL THIS MO.    16
DPTR FM NORMAL     9    [PRESSURE DATA]
TOTAL FM JAN 1    16    HIGHEST SLP M ON M
DPTR FM NORMAL     6    LOWEST  SLP M ON M

[REMARKS]
#FINAL-04-24#