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

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000
CXUS55 KLOT 270700
CF6RFD
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCKFORD IL
                                          MONTH:     MAY
                                          YEAR:      2017
                                          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  54  43  49  -6  16   0 0.18  0.0    0 12.6 25 250   M    M  10 18     35 240
 2  51  38  45 -11  20   0 0.01  0.0    0 13.7 26 300   M    M   8        35 290
 3  59  33  46 -10  19   0 0.00  0.0    0  4.8 10  80   M    M   7 1      14 110
 4  64  39  52  -4  13   0 0.00  0.0    0  9.7 22  40   M    M   7        27  40
 5  66  43  55  -2  10   0 0.08  0.0    0 12.8 26  20   M    M   2        35  10
 6  64  43  54  -3  11   0 0.05  0.0    0 10.2 22 360   M    M   5 1      29 230
 7  63  35  49  -8  16   0 0.00  0.0    0  5.8 17 360   M    M   2        22  10
 8  66  37  52  -6  13   0    T  0.0    0  8.2 15 100   M    M   5        19 100
 9  62  40  51  -7  14   0 0.53  0.0    0  6.6 16 120   M    M   9 13     22 120
10  67  47  57  -1   8   0 1.02  0.0    0  6.7 16  80   M    M   9 13     20  90
11  71  52  62   4   3   0 0.00  0.0    0  6.9 15  30   M    M   8 1      18  20
12  73  48  61   2   4   0 0.00  0.0    0  3.5 15  10   M    M   6        18 340
13  83  48  66   7   0   1 0.00  0.0    0  7.3 22 280   M    M   5        27 290
14  82  53  68   8   0   3 0.00  0.0    0  6.1 18  90   M    M   4        24  80
15  85  50  68   8   0   3 0.12  0.0    0  8.4 22  40   M    M   7 13     26  40
16  87  61  74  14   0   9 0.00  0.0    0 12.5 29 180   M    M   5        38 180
17  85  65  75  15   0  10 0.83    T    0 18.2 40 190   M    M   9 1358   49 190
18  75  51  63   2   2   0 0.00  0.0    0 14.9 24 250   M    M   7        34 240
19  51  43  47 -14  18   0 0.22  0.0    0 14.0 25  40   M    M  10 13     32  40
20  63  47  55  -6  10   0 0.53  0.0    0  9.2 21  70   M    M   9 128    27  70
21  63  50  57  -5   8   0    T  0.0    0 12.0 22 250   M    M   9 123    29 230
22  71  45  58  -4   7   0    T  0.0    0 10.6 26 220   M    M   6        35 220
23  63  50  57  -5   8   0 0.44  0.0    0  5.4 15 190   M    M  10 12     18 210
24  61  48  55  -8  10   0 0.04  0.0    0 10.4 16 360   M    M   9 128    21 360
25  71  55  63   0   2   0    T  0.0    0  7.3 17  10   M    M   7        22  10
26  70  54  62  -1   3   0 0.35  0.0    0  6.8 18 170   M    M   8 18     22 170
================================================================================
SM 1770 1218       215  26  4.40    T    244.6          M      183
================================================================================
AV 68.1 46.9                               9.4 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 40 190               # 49  190
================================================================================
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:     2017
                                          LATITUDE:   42 12 N
                                          LONGITUDE:  89  6 W

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

AVERAGE MONTHLY: 57.5   TOTAL FOR MONTH:   4.40    1 = FOG OR MIST
DPTR FM NORMAL:  -1.8   DPTR FM NORMAL:    1.11    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON 16    GRTST 24HR  1.02 ON 10-10      TO 1/4 MILE OR LESS
LOWEST:     33 ON  3                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:    T          5 = HAIL
                        GRTST 24HR    T  ON 17-17  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:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   215    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL    32    PTCLDY (SCALE 4-7)  14
TOTAL FM JUL 1  5445    CLOUDY (SCALE 8-10) 10
DPTR FM NORMAL -1078

[CDD (BASE 65) ]
TOTAL THIS MO.    26
DPTR FM NORMAL    -7    [PRESSURE DATA]
TOTAL FM JAN 1    34    HIGHEST SLP M ON M
DPTR FM NORMAL    -7    LOWEST  SLP 29.39 ON  1

[REMARKS]



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