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

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CXUS53 KLOT 011447
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     APRIL
                                          YEAR:      2023
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 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  42  26  34 -10  31   0    T    T    0 12.5 30 340   M    M   7 1      51 300
 2  58  25  42  -2  23   0 0.00  0.0    0 10.3 24 160   M    M   4 1      34 150
 3  63  34  49   5  16   0 0.10  0.0    0  5.3 15  30   M    M   8 1      26  40
 4  71  44  58  13   7   0 0.88    T    0 11.6 23 160   M    M  10 135    39 100
 5  69  35  52   7  13   0 0.30  0.0    0 14.7 32 240   M    M   7 13     50 250
 6  53  29  41  -5  24   0 0.00  0.0    0 10.1 21 290   M    M   2        31 290
 7  56  26  41  -5  24   0 0.00  0.0    0  5.4 13 110   M    M   0        25 130
 8  65  31  48   2  17   0 0.00  0.0    0  7.4 17 200   M    M   1        22 190
 9  68  34  51   4  14   0 0.00  0.0    0  8.1 21 200   M    M   4        29 200
10  72  37  55   8  10   0 0.00  0.0    0  6.6 17 230   M    M   4        23 220
11  78  43  61  14   4   0 0.00  0.0    0  9.8 23 230   M    M   5        35 230
12  82  53  68  20   0   3 0.00  0.0    0 13.0 28 250   M    M   0        40 230
13  82  50  66  18   0   1 0.00  0.0    0  8.8 22 200   M    M   3        29 200
14  82  44  63  15   2   0 0.00  0.0    0  6.0 18 170   M    M   5        27 180
15  83  57  70  21   0   5 0.28    T    0  8.7 29 240   M    M   6 35     38 230
16  58  32  45  -4  20   0 0.57  0.2    0 14.5 24 230   M    M  10 1      35 240
17  40  30  35 -15  30   0 0.02  0.5    1 16.6 31 300   M    M  10 1      53 320
18  58  31  45  -5  20   0 0.00  0.0    0  6.3 15 320   M    M   2        23 330
19  63  43  53   3  12   0    T  0.0    0  8.9 20 110   M    M   9        36 110
20  76  46  61  10   4   0 0.12  0.0    0 12.4 30 190   M    M   9 3      43 190
21  59  37  48  -3  17   0 0.00  0.0    0 11.6 25 250   M    M   6        37 230
22  45  33  39 -13  26   0 0.08  0.2    0 10.7 22 270   M    M   7 15     31 270
23  41  33  37 -15  28   0 0.00  0.0    0  7.4 14 280   M    M   9        19 270
24  56  26  41 -11  24   0 0.01  0.0    0  5.4 16 210   M    M   6        22 280
25  51  30  41 -12  24   0 0.13  0.0    0  6.7 12  70   M    M   7 1      20  50
26  56  25  41 -12  24   0 0.00  0.0    0  3.3 10  90   M    M   2        16 110
27  68  32  50  -3  15   0 0.00  0.0    0  6.5 17 180   M    M   3        21 210
28  69  37  53  -1  12   0 0.00  0.0    0  3.4  8  40   M    M   5         M   M
29  57  43  50  -4  15   0 0.06  0.0    0  8.7 22 300   M    M   8 1      31 290
30  44  39  42 -12  23   0 0.13  0.0    0 15.1 28 290   M    M   9 1      49 310
================================================================================
SM 1865 1085       479   9  2.68  0.9    275.8          M      168
================================================================================
AV 62.2 36.2                               9.2 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    32 240                 53 320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ROCKFORD IL
                                          MONTH:     APRIL
                                          YEAR:      2023
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 49.2   TOTAL FOR MONTH:   2.68    1 = FOG OR MIST
DPTR FM NORMAL:   0.1   DPTR FM NORMAL:   -1.07    2 = FOG REDUCING VISIBILITY
HIGHEST:    83 ON 15    GRTST 24HR  1.06 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     25 ON 26, 2                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.9 INCH    5 = HAIL
                        GRTST 24HR   0.5 ON 17-17  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   1 ON 17     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:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:  12    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   479    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL    -3    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  5907    CLOUDY (SCALE 8-10)  9
DPTR FM NORMAL  -364

[CDD (BASE 65) ]
TOTAL THIS MO.     9
DPTR FM NORMAL     4    [PRESSURE DATA]
TOTAL FM JAN 1     9    HIGHEST SLP 29.89 ON 28
DPTR FM NORMAL     2    LOWEST  SLP 29.45 ON 30

[REMARKS]
#FINAL-04-23#


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