National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

407
CXUS53 KLOT 010700
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     SEPTEMBER
                                          YEAR:      2020
                                          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  74  59  67  -2   0   2    T  0.0    0  7.4 14 200   M    M   8        21 200
 2  88  59  74   5   0   9 0.07  0.0    0  7.2 20 270   M    M   4 18     28 270
 3  86  58  72   3   0   7 0.00  0.0    0 11.0 28 280   M    M   1        40 280
 4  82  48  65  -3   0   0 0.00  0.0    0  6.4 20 270   M    M   2        30 320
 5  83  60  72   4   0   7 0.00  0.0    0  7.9 18 260   M    M   2        26 240
 6  82  59  71   3   0   6 0.77  0.0    0 12.9 29 150   M    M   8 13     38 190
 7  77  56  67  -1   0   2 1.61  0.0    0  9.2 22  30   M    M   9 13     28  30
 8  58  54  56 -11   9   0 2.06  0.0    0 14.5 23  40   M    M  10 13     32  10
 9  58  51  55 -12  10   0 0.23  0.0    0 11.7 18  10   M    M  10 13     24  30
10  60  51  56 -10   9   0 0.58  0.0    0  9.8 17  20   M    M  10 1      22  20
11  63  56  60  -6   5   0 0.33  0.0    0  8.2 13 120   M    M  10 1      20  90
12  71  61  66   0   0   1 0.43  0.0    0  8.1 17 140   M    M   9 1      25 230
13  77  56  67   2   0   2 0.00  0.0    0  4.8 16 330   M    M   4        21 330
14  75  53  64  -1   1   0 0.00  0.0    0  2.0 10 170   M    M   8 1      14 200
15  81  54  68   4   0   3 0.00  0.0    0  6.8 15 210   M    M   1 18     21 230
16  85  56  71   7   0   6 0.00  0.0    0  9.3 18 260   M    M   3        24 290
17  73  53  63  -1   2   0 0.00  0.0    0  9.6 16  40   M    M   3        21  40
18  65  45  55  -8  10   0 0.00  0.0    0  7.6 16  40   M    M   4        28  50
19  68  41  55  -8  10   0 0.00  0.0    0  3.1 12 170   M    M   1        16 180
20  73  45  59  -3   6   0 0.00  0.0    0  7.0 17 160   M    M   2        23 160
21  76  48  62   0   3   0 0.00  0.0    0  6.1 14 170   M    M   2        21 180
22  79  50  65   4   0   0 0.00  0.0    0  3.6 10 260   M    M   3 8      14 190
23  78  53  66   5   0   1 0.00  0.0    0  4.4 12 260   M    M   6 18     17 260
24  78  53  66   6   0   1 0.00  0.0    0  5.9 15 220   M    M   4 1      22 230
25  80  55  68   8   0   3 0.00  0.0    0  8.4 22 170   M    M   1        28 170
26  79  62  71  12   0   6 0.00  0.0    0 12.2 26 170   M    M   8        36 160
27  74  53  64   5   1   0 0.47  0.0    0  9.3 16 310   M    M  10 1      24 210
28  64  47  56  -2   9   0 0.06  0.0    0  8.2 22 280   M    M   9        31 290
29  60  42  51  -7  14   0    T    M    0  6.0 15 260   M    M   7 1      21 270
30  65  46  56  -2   9   0    T    M    0 12.3 29 300   M    M   6        42 300
================================================================================
SM 2212 1584        98  56  6.61     0.0 240.9          M      165
================================================================================
AV 73.7 52.8                               8.0 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 29 150               # 42  300
================================================================================
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:     2020
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 63.3   TOTAL FOR MONTH:   6.61    1 = FOG OR MIST
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:    3.26    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON  2    GRTST 24HR  2.06 ON  8- 8      TO 1/4 MILE OR LESS
LOWEST:     41 ON 19                               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:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.    98    CLEAR  (SCALE 0-3)   9
DPTR FM NORMAL   -19    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1    98    CLOUDY (SCALE 8-10) 11
DPTR FM NORMAL   -33

[CDD (BASE 65) ]
TOTAL THIS MO.    56
DPTR FM NORMAL   -28    [PRESSURE DATA]
TOTAL FM JAN 1  1033    HIGHEST SLP M ON M
DPTR FM NORMAL   222    LOWEST  SLP 29.56 ON 30

[REMARKS]
#FINAL-09-20#