National Weather Service Weather Forecast Office

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

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

                                          STATION:   ROCKFORD IL
                                          MONTH:     MAY
                                          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  88  45  67  12   0   2 0.00  0.0    0 17.9 37 240   M    M   4        57 230
 2  86  61  74  19   0   9 0.00  0.0    0 14.1 24 180   M    M   4        35 200
 3  75  58  67  11   0   2 0.65  0.0    0  8.2 17 330   M    M  10 13     26 310
 4  61  46  54  -2  11   0    T  0.0    0  9.8 20 330   M    M   9        25 320
 5  65  41  53  -3  12   0    T  0.0    0  5.9 15 140   M    M   5        21 330
 6  62  44  53  -4  12   0 0.04  0.0    0  9.2 22  10   M    M   8        30  10
 7  59  38  49  -8  16   0    T  0.0    0  9.4 22 340   M    M   5        30 350
 8  59  34  47 -11  18   0 0.28  0.0    0  5.2 20 110   M    M   6        25  80
 9  64  40  52  -6  13   0    T  0.0    0 10.0 25  30   M    M   8        35  30
10  61  43  52  -6  13   0 0.01  0.0    0  7.8 16  20   M    M   8        22 110
11  61  36  49 -10  16   0 0.00  0.0    0  6.0 18  10   M    M   2        25  30
12  67  35  51  -8  14   0 0.00  0.0    0  2.7 10 120   M    M   2        19 250
13  71  39  55  -4  10   0 0.00  0.0    0  3.2 15 320   M    M   3        23 350
14  73  41  57  -3   8   0 0.00  0.0    0  4.2 17 160   M    M   5        27 170
15  59  53  56  -4   9   0 0.14  0.0    0  8.0 17 180   M    M  10 18     24 170
16  72  54  63   3   2   0 0.00  0.0    0  3.5 10 210   M    M  10 18     15 170
17  75  57  66   5   0   1 0.00  0.0    0  7.9 18 150   M    M   7        25 150
18  71  58  65   4   0   0 0.48  0.0    0 10.8 21 150   M    M  10 18     29 150
19  80  65  73  11   0   8 0.03  0.0    0 13.5 22 160   M    M  10 1      30 170
20  84  66  75  13   0  10 0.00  0.0    0 12.1 25 180   M    M   9        33 170
21  77  66  72  10   0   7 0.06  0.0    0  7.5 20 170   M    M   9 1      27 190
22  86  63  75  13   0  10 0.00  0.0    0  6.0 17 230   M    M   5 12     24 230
23  82  66  74  11   0   9 0.02  0.0    0  5.1 12 240   M    M   8 1      17 220
24  88  62  75  12   0  10 0.00  0.0    0  6.4 16 210   M    M   8 18     24 210
25  85  70  78  14   0  13 0.12  0.0    0 12.4 26 210   M    M   9        43 220
26  82  57  70   6   0   5 0.23  0.0    0 11.2 21 300   M    M   5 13     29 320
27  60  48  54 -10  11   0 0.04  0.0    0 15.5 25  70   M    M  10        40  80
28  49  42  46 -19  19   0 0.26  0.0    0 14.5 28  60   M    M   9 3      40  40
29  67  38  53 -12  12   0 0.00  0.0    0  8.0 18  50   M    M   1        26  70
30  72  38  55 -10  10   0 0.00  0.0    0  2.1 12 170   M    M   6        16 170
31  70  52  61  -5   4   0 0.00  0.0    0  6.5 16 220   M    M   8        23 220
================================================================================
SM 2211 1556       210  86  2.36  0.0    264.6          M      213
================================================================================
AV 71.3 50.2                               8.5 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->    37 240                 57 230
================================================================================
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:     MAY
                                          YEAR:      2021
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 60.8   TOTAL FOR MONTH:   2.36    1 = FOG OR MIST
DPTR FM NORMAL:   0.4   DPTR FM NORMAL:   -1.82    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON 24, 1  GRTST 24HR  0.65 ON  3- 3      TO 1/4 MILE OR LESS
LOWEST:     34 ON  8                               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:  13
MAX 90 OR ABOVE:   0    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.   210    CLEAR  (SCALE 0-3)   3
DPTR FM NORMAL    11    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  6020    CLOUDY (SCALE 8-10) 13
DPTR FM NORMAL  -448

[CDD (BASE 65) ]
TOTAL THIS MO.    86
DPTR FM NORMAL    32    [PRESSURE DATA]
TOTAL FM JAN 1   100    HIGHEST SLP M ON M
DPTR FM NORMAL    39    LOWEST  SLP 29.44 ON 31

[REMARKS]
#FINAL-05-21#