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

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863
CXUS53 KLOT 190800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROMEOVILLE WFO
                                          MONTH:     JANUARY
                                          YEAR:      2025
                                          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  32  23  28   3  37   0    T    T    0 14.2 23 280   M    M   9        30 280
 2  32  21  27   2  38   0 0.03  0.6    0  9.2 15 300   M    M   7 18     22 280
 3  23  15  19  -6  46   0    T    T    1 13.4 22 280   M    M   4        32 270
 4  23  10  17  -8  48   0 0.00  0.0    T  9.2 13 290   M    M   1        21 280
 5  22  16  19  -6  46   0    T    T    0  8.3 16 350   M    M   7 16     23 350
 6  29  19  24   0  41   0 0.01  0.3    T 13.8 17 340   M    M  10 16     24 350
 7  26  11  19  -5  46   0 0.00  0.0    T  6.8 14 330   M    M   3        17 330
 8  25  11  18  -6  47   0 0.00  0.0    T  6.5 13 290   M    M   4        16 280
 9  27  10  19  -5  46   0 0.00  0.0    0  9.4 17 190   M    M   1        22 190
10  28  19  24   0  41   0 0.14  2.4    T  9.2 14 190   M    M   9 1      16 180
11  30  24  27   3  38   0    T    T    2  8.5 14 160   M    M   8        21 160
12  34  16  25   1  40   0 0.04  1.5    2 14.8 24 260   M    M   9 1      32 260
13  17   6  12 -12  53   0 0.00  0.0    3 11.1 17 250   M    M   2        27 250
14  16  -1   8 -16  57   0 0.05  1.8    3  9.5 20 320   M    M   3 1      28 320
15  17  -3   7 -17  58   0 0.01  0.4    3  9.5 18 200   M    M   3        29 200
16  37  17  27   4  38   0    T    T    3 11.2 20 290   M    M   7        31 290
17  45  22  34  11  31   0 0.00  0.0    0 14.9 24 200   M    M   1        37 200
18  39  15  27   4  38   0 0.00  0.0    0 13.1 22 340   M    M   2        23 340
================================================================================
SM  502  251       789   0  0.28  7.0    192.6          M       90
================================================================================
AV 27.9 13.9                              10.7 FASTST   M    M   5    MAX(MPH)
                                 MISC ---->  # 24 260                 37 200
================================================================================
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:     JANUARY
                                          YEAR:      2025
                                          LATITUDE:   41 36 N
                                          LONGITUDE:  88  5 W

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

AVERAGE MONTHLY: 20.9   TOTAL FOR MONTH:   0.28    1 = FOG OR MIST
DPTR FM NORMAL:  -3.2   DPTR FM NORMAL:   -1.07    2 = FOG REDUCING VISIBILITY
HIGHEST:    45 ON 17    GRTST 24HR  0.14 ON  5- 5      TO 1/4 MILE OR LESS
LOWEST:     -3 ON 15                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.0 INCHES  5 = HAIL
                        GRTST 24HR   2.4 ON 10-10  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 16,15  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:  14    0.01 INCH OR MORE:   6
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   1
MIN 32 OR BELOW:  18    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   2    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   789    CLEAR  (SCALE 0-3)   6
DPTR FM NORMAL    53    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  2698    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -334

[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 M ON M

[REMARKS]