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

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000
CXUS53 KLOT 010800
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     SEPTEMBER
                                          YEAR:      2021
                                          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  82  59  71   2   0   6 0.00  0.0    0  6.6 15  20   M    M   1        22 350
 2  81  53  67  -2   0   2 0.00  0.0    0  3.7 10  90   M    M   5        16  90
 3  72  60  66  -3   0   1 0.02  0.0    0  6.9 15 190   M    M   9        22 190
 4  75  57  66  -2   0   1 0.01  0.0    0  6.3 15 330   M    M   8        20 340
 5  84  52  68   0   0   3 0.00  0.0    0  7.4 21 290   M    M   1         M   M
 6  85  53  69   1   0   4 0.00  0.0    0  1.8 12 290   M    M   2        14 270
 7  87  57  72   4   0   7 0.13  0.0    0  9.7 28 250   M    M   4 35     46 250
 8  79  54  67   0   0   2 0.00  0.0    0  8.3 21 310   M    M   3        40 270
 9  79  51  65  -2   0   0 0.00  0.0    0  4.2 14 340   M    M   3        18 260
10  82  51  67   0   0   2 0.00  0.0    0  4.8 16 200   M    M   3        20 200
11  89  60  75   9   0  10 0.00  0.0    0  6.7 16 250   M    M   5        23 190
12  89  68  79  13   0  14    T  0.0    0  7.5 16 250   M    M   7        22 240
13  90  66  78  12   0  13 0.00  0.0    0  6.9 18 200   M    M   7         M   M
14  85  59  72   7   0   7 0.00  0.0    0 11.6 22 240   M    M   7         M   M
15  81  52  67   2   0   2 0.00  0.0    0  2.2 12 360   M    M   1 1      19  20
16  85  50  68   4   0   3 0.00  0.0    0  6.1 17 200   M    M   0 1      24 190
17  90  53  72   8   0   7 0.01  0.0    0  8.9 18  10   M    M   4        25 240
18  85  57  71   7   0   6 0.00  0.0    0  5.2 12  80   M    M   1        19  90
19  93  56  75  12   0  10 0.00  0.0    0  4.5 15 200   M    M   3        22 190
20  87  67  77  14   0  12 0.14  0.0    0 11.6  M   M   M    M   8 13      M   M
21  70  58  64   2   1   0 0.05  0.0    0  9.7 21 350   M    M  10 13     32 360
22  69  51  60  -2   5   0 0.00  0.0    0 13.4 23 340   M    M   7         M   M
23  72  46  59  -3   6   0 0.00  0.0    0 10.1 21 330   M    M   3         M   M
24  83  46  65   4   0   0 0.17  0.0    0 11.8  M   M   M    M   7 1       M   M
25  71  46  59  -2   6   0 0.00  0.0    0  7.5 24 260   M    M   5         M   M
26  85  52  69   9   0   4 0.00  0.0    0 11.1 25 200   M    M   4         M 220
27  90  60  75  15   0  10 0.00  0.0    0  6.7 15  60   M    M   1         M   M
28  82  52  67   7   0   2 0.00  0.0    0  5.5 13  90   M    M   0        17  70
29  88  50  69  10   0   4 0.00  0.0    0  3.5 10  80   M    M   4 1      16  80
30  90  59  75  16   0  10 0.00  0.0    0  2.4 10  90   M    M   5        19  80
================================================================================
SM 2480 1655        18 142  0.53  0.0    212.6          M      128
================================================================================
AV 82.7 55.2                               7.1 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->    28 250                 46 250
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ROCKFORD IL
                                          MONTH:     SEPTEMBER
                                          YEAR:      2021
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 68.9   TOTAL FOR MONTH:   0.53    1 = FOG OR MIST
DPTR FM NORMAL:   4.5   DPTR FM NORMAL:   -3.09    2 = FOG REDUCING VISIBILITY
HIGHEST:    93 ON 19    GRTST 24HR  0.19 ON 20-21      TO 1/4 MILE OR LESS
LOWEST:     46 ON 25,24                             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:   7
MAX 90 OR ABOVE:   5    0.10 INCH OR MORE:   3
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.    18    CLEAR  (SCALE 0-3)  12
DPTR FM NORMAL   -89    PTCLDY (SCALE 4-7)  16
TOTAL FM JUL 1    18    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL   -98

[CDD (BASE 65) ]
TOTAL THIS MO.   142
DPTR FM NORMAL    53    [PRESSURE DATA]
TOTAL FM JAN 1  1202    HIGHEST SLP M ON M
DPTR FM NORMAL   374    LOWEST  SLP 29.63 ON  7

[REMARKS]
#FINAL-09-21#


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