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

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CXUS53 KLOT 232059
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     JANUARY
                                          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  36  17  27   5  38   0 0.54  1.9    5 11.6 22 360   M    M   9 1468   30  10
 2  30  25  28   6  37   0    T  0.0    7  5.5 17  20   M    M  10 168    21  20
 3  30  21  26   4  39   0 0.00  0.0    6  5.2 10 200   M    M  10 128    16 210
 4  31  23  27   5  38   0 0.01  0.2    6  7.2 14 170   M    M  10 12     18 270
 5  33  23  28   6  37   0    T    T    6  4.8 12 340   M    M  10 128    16 310
 6  34  22  28   6  37   0    T    T    5  6.4 12 150   M    M  10 128    14 130
 7  33  24  29   8  36   0    T    T    5  9.5 14  10   M    M  10 18     18  10
 8  33  28  31  10  34   0    T    T    5 11.1 17 350   M    M  10        22 350
 9  33  27  30   9  35   0 0.00  0.0    5  7.1 12 310   M    M  10        14 320
10  28  22  25   4  40   0 0.00  0.0    5  6.0 12 290   M    M  10 18     15 280
11  31  22  27   6  38   0    T    T    5  9.4 17 210   M    M   9 18     25 230
12  37  23  30   9  35   0 0.00  0.0    5  5.9 13 240   M    M   3 18     17 240
13  41  26  34  13  31   0 0.00  0.0    4  5.7 12 170   M    M   8        17 240
14  37  29  33  12  32   0 0.22  0.7    4  9.7 17 170   M    M   8 18     25 130
15  37  33  35  14  30   0 0.02  0.2    4  7.3 16 190   M    M  10 1      21 190
16  39  30  35  14  30   0 0.10  0.6    5  9.6 15 290   M    M  10 16     21 330
17  33  29  31  10  34   0 0.08  1.0    4  6.2 13 330   M    M  10 168    15 270
18  29  19  24   3  41   0    T    T    5  8.2 16 300   M    M   8        22 310
19  34  17  26   5  39   0 0.01  0.9    5  9.5 29 340   M    M   9 9      40 360
20  37   9  23   2  42   0    T    T    6 11.8 25 170   M    M   5        31 170
21  40  23  32  11  33   0 0.00  0.0    5 12.9 24 290   M    M   2        33 290
22  27   9  18  -3  47   0 0.00  0.0    5  9.5 18 330   M    M   0        25 330
23  29   2  16  -5  49   0 0.00  0.0    4  5.3 15 130   M    M   6        19 120
24  35  27  31   9  34   0 0.12  1.0    5  7.6 15 150   M    M  10 18     21 120
25  32  20  26   4  39   0 0.10  1.0    5 14.2 24  50   M    M   9 18     37  50
26  30  16  23   1  42   0 0.10  1.9    7 15.8 25  30   M    M   8 18     32  20
27  23   4  14  -8  51   0 0.00  0.0    8  8.2 17  10   M    M   4        21 340
28  22  -1  11 -11  54   0 0.00  0.0    7  2.0  7 300   M    M   4         9 280
29  30  11  21  -1  44   0 0.00  0.0    7  8.2 17 140   M    M   9        22 120
30  35  28  32  10  33   0 0.68  5.5    7 16.0 22  90   M    M  10 14689   33 100
31  34  30  32  10  33   0 0.06  1.3   12 15.9 23  30   M    M  10 18     32  60
================================================================================
SM 1013  638      1182   0  2.04 16.2    273.3          M      251
================================================================================
AV 32.7 20.6                               8.8 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->    29 340                 40 360
================================================================================
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:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 26.6   TOTAL FOR MONTH:   2.04    1 = FOG OR MIST
DPTR FM NORMAL:   5.1   DPTR FM NORMAL:    0.67    2 = FOG REDUCING VISIBILITY
HIGHEST:    41 ON 13    GRTST 24HR  0.68 ON 30-30      TO 1/4 MILE OR LESS
LOWEST:     -1 ON 28                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  16.2 INCHES  5 = HAIL
                        GRTST 24HR   5.5 ON 30-30  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  12 ON 31     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:  13    0.01 INCH OR MORE:  12
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  30    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.  1182    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL  -166    PTCLDY (SCALE 4-7)   6
TOTAL FM JUL 1  3371    CLOUDY (SCALE 8-10) 22
DPTR FM NORMAL  -541

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.75 ON 28
DPTR FM NORMAL     0    LOWEST  SLP 29.39 ON 15

[REMARKS]
#FINAL-01-21#


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