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

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CXUS53 KLOT 010800
CF6LOT
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROMEOVILLE  WFO
                                          MONTH:     AUGUST
                                          YEAR:      2021
                                          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  79  62  71  -3   0   6 0.00  0.0    0  7.0 14  30   M    M   2 1      25  10
 2  78  59  69  -5   0   4    T  0.0    0  2.5  7 340   M    M   3         M   M
 3  80  61  71  -3   0   6 0.00  0.0    0  1.6  6 250   M    M   5         M   M
 4  84  60  72  -2   0   7 0.00  0.0    0  1.3  7 230   M    M   1         M   M
 5  83  60  72  -2   0   7    T  0.0    0  5.5 13 200   M    M   2 1      20 170
 6  82  67  75   1   0  10    T  0.0    0  8.0 14 220   M    M   5 8      27   0
 7  88  67  78   4   0  13 0.00  0.0    0  6.7 12 210   M    M   3 1       M   M
 8  90  69  80   6   0  15 0.12  0.0    0 10.5 20 190   M    M   3 1      30 190
 9  81  68  75   1   0  10    T  0.0    0 11.6 18 200   M    M   7 13     24 200
10  92  71  82   8   0  17 0.20  0.0    0  8.2 24 280   M    M   7 13     39 280
11  87  70  79   5   0  14 0.13  0.0    0 12.7 27 250   M    M   4 13     43 250
12  82  69  76   2   0  11 0.33  0.0    0  8.4 17 230   M    M   2 3      25 220
13  82  67  75   2   0  10 0.00  0.0    0  4.4  9 310   M    M   4         M   M
14  80  61  71  -2   0   6 0.00  0.0    0  4.8 10  70   M    M   1        10  90
15  81  58  70  -3   0   5 0.00  0.0    0  4.7 10 100   M    M   0        16 150
16  81  61  71  -2   0   6 0.00  0.0    0  5.4 12 110   M    M   0        18 100
17  85  63  74   1   0   9 0.00  0.0    0  4.0  8  90   M    M   2         M   M
18  86  70  78   5   0  13 0.01  0.0    0  5.7  9 110   M    M   4 1       M   M
19  87  69  78   5   0  13    T  0.0    0  3.3 14  60   M    M   3 1      10  60
20  89  67  78   5   0  13 0.00  0.0    0  4.0 12 210   M    M   2 12     18 160
21  87  71  79   7   0  14 0.60  0.0    0  6.2 14 230   M    M   4 1      21 220
22  87  68  78   6   0  13 0.00  0.0    0  5.0  9  80   M    M   4         M   M
23  86  64  75   3   0  10 0.00  0.0    0  4.1 10 200   M    M   1 1      17 210
24  94  70  82  10   0  17 0.22  0.0    0  7.4 15 220   M    M   3 13     27 320
25  92  70  81   9   0  16 0.40  0.0    0  5.0 13 140   M    M   3 13     23  50
26  88  68  78   6   0  13 0.00  0.0    0  3.6 10 160   M    M   3         M   M
27  89  70  80   8   0  15 0.00  0.0    0  5.0 12 170   M    M   1         M   M
28  90  73  82  11   0  17 0.00  0.0    0  7.7 14 210   M    M   2        20 210
29  87  73  80   9   0  15 0.04  0.0    0  8.2 18 260   M    M   2 3      25 230
30  85  70  78   7   0  13 0.00  0.0    0  2.3  8 270   M    M   2         M   M
31  84  58  71   0   0   6 0.03  0.0    0  7.0 15  60   M    M   2        22  60
================================================================================
SM 2646 2054         0 344  2.08  0.0    181.8          M       87
================================================================================
AV 85.4 66.3                               5.9 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->    27 250                 43 250
================================================================================
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:     AUGUST
                                          YEAR:      2021
                                          LATITUDE:   41 36 N
                                          LONGITUDE:  88  5 W

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

AVERAGE MONTHLY: 75.8   TOTAL FOR MONTH:   2.08    1 = FOG OR MIST
DPTR FM NORMAL:   3.0   DPTR FM NORMAL:   -2.28    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 24    GRTST 24HR  0.60 ON 21-21      TO 1/4 MILE OR LESS
LOWEST:     58 ON 31,15                             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:  10
MAX 90 OR ABOVE:   5    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)  21
DPTR FM NORMAL    -4    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL    -2

[CDD (BASE 65) ]
TOTAL THIS MO.   344
DPTR FM NORMAL    96    [PRESSURE DATA]
TOTAL FM JAN 1   962    HIGHEST SLP M ON M
DPTR FM NORMAL   137    LOWEST  SLP M ON M

[REMARKS]
#FINAL-08-21#