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

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000
CXUS55 KLOT 170700
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     FEBRUARY
                                          YEAR:      2018
                                          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  33   5  19  -3  46   0 0.00  0.0    0 15.4 25 320   M    M   3        31 300
 2  21   2  12 -11  53   0    T    T    0  8.3 14 220   M    M   3        19 220
 3  40  21  31   8  34   0 0.06  0.7    0 11.5 24 220   M    M  10 1      30 220
 4  33  -1  16  -7  49   0 0.03  1.4    0 13.5 28 360   M    M   6 189    35 360
 5  11  -8   2 -21  63   0 0.25  2.4    2  5.6 13 170   M    M   7 1      14 170
 6  18  -7   6 -17  59   0 0.02  0.3    4  3.6 12  30   M    M   6 18     15  30
 7  17  -3   7 -17  58   0 0.06  1.2    5  7.6 17 300   M    M   8 1      22 300
 8  20  -3   9 -15  56   0 0.17  2.2    5  5.6 12  70   M    M  10 1      14 200
 9  20  14  17  -7  48   0 0.26  3.6   11 13.7 23  20   M    M  10 189    28  20
10  17  10  14 -10  51   0 0.10  1.2   11  8.5 16  20   M    M  10 18     20  10
11  20   4  12 -13  53   0 0.33  3.1   14  8.7 18 290   M    M   7 1      23 290
12  20  -9   6 -19  59   0 0.00  0.0   13  3.1 13  10   M    M   5 1      16  20
13  29   6  18  -7  47   0 0.00  0.0   12  6.8 18 170   M    M   8 1      21 170
14  40  18  29   3  36   0    T  0.0   11  9.2 16 190   M    M   4 128    20 190
15  45  35  40  14  25   0 0.00  0.0    5  6.8 20 320   M    M  10 128    22 310
16  37  12  25  -1  40   0 0.00  0.0    2 10.4 23 350   M    M   6        27 360
================================================================================
SM  421   96       777   0  1.28    16.1 138.3          M      113
================================================================================
AV 26.3  6.0                               8.6 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 28 360               # 35  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:    FEBRUARY
                                          YEAR:     2018
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 16.2   TOTAL FOR MONTH:   1.28    1 = FOG OR MIST
DPTR FM NORMAL:  -8.0   DPTR FM NORMAL:    0.56    2 = FOG REDUCING VISIBILITY
HIGHEST:    45 ON 15    GRTST 24HR  0.33 ON 11-11      TO 1/4 MILE OR LESS
LOWEST:     -9 ON 12                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  16.1 INCHES  5 = HAIL
                        GRTST 24HR   3.6 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  14 ON 11     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:  10    0.01 INCH OR MORE:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   6    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   777    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL   122    PTCLDY (SCALE 4-7)   9
TOTAL FM JUL 1  4589    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL    25

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP M ON M
DPTR FM NORMAL     0    LOWEST  SLP 29.70 ON 15

[REMARKS]



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