WFO Monthly/Daily Climate Data
Issued by NWS Detroit/Pontiac, MI

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CF6DTW
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   DETROIT MI
                                          MONTH:     JANUARY
                                          YEAR:      2018
                                          LATITUDE:   42 13 N
                                          LONGITUDE:  83 20 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  13  -2   6 -20  59   0    T    T    6  9.2 24 290   M    M   9 18     32 280
 2  13   0   7 -19  58   0    T    T    6 15.3 22 210   M    M   8        26 220
 3  17   0   9 -17  56   0 0.01  0.5    6 13.4 21 220   M    M  10 1      26 220
 4  17   1   9 -17  56   0    T    T    6 10.9 21 300   M    M   6 8      26 330
 5   6  -4   1 -25  64   0 0.00  0.0    6 10.8 23 300   M    M   1 8      29 330
 6  10  -5   3 -23  62   0 0.00  0.0    6  5.5 15 320   M    M   2        20 330
 7  30  -6  12 -14  53   0 0.01  0.2    6 12.3 24 210   M    M   9        31 210
 8  37  29  33   7  32   0 0.24  2.2    8 14.7 22 230   M    M   7 149    28 250
 9  37  25  31   5  34   0 0.00  0.0    6  6.6 13 170   M    M   6 18     16 250
10  46  25  36  10  29   0 0.08    T    6  6.9 16 180   M    M   9 16     19 180
11  57  43  50  24  15   0 0.02  0.0    2 14.6 22 170   M    M  10 1      27 170
12  55  14  35  10  30   0 0.19  0.7    0 17.1 28 360   M    M  10 146    38 360
13  19  11  15 -10  50   0    T    T    1 10.1 26 340   M    M   7        35 330
14  20   8  14 -11  51   0    T    T    1  5.8 17 200   M    M   8        20 160
15  22  15  19  -6  46   0 0.06  1.9    T  7.3 15 140   M    M  10 1      19 130
16  22   7  15 -10  50   0    T  0.2    2 11.1 16 230   M    M  10 18     18 230
17  24   2  13 -12  52   0    T  0.1    2 11.9 24 220   M    M   7 18     31 230
18  28  13  21  -4  44   0 0.00  0.0    2 16.4 21 230   M    M   5        29 230
19  36  21  29   4  36   0 0.00  0.0    1 17.2 29 220   M    M   4        36 220
20  43  31  37  12  28   0 0.00  0.0    1 12.6 24 230   M    M   7        34 230
21  42  33  38  13  27   0    T  0.0    T  2.8 12 180   M    M  10 12     14 170
22  55  38  47  22  18   0 0.40  0.0    0  7.2 22 190   M    M  10 12     26 190
================================================================================
SM  649  299       950   0  1.01     5.8 239.7          M      165
================================================================================
AV 29.5 13.6                              10.9 FASTST   M    M   8    MAX(MPH)
                                 MISC ---->  # 29 220               # 38  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:  DETROIT MI
                                          MONTH:    JANUARY
                                          YEAR:     2018
                                          LATITUDE:   42 13 N
                                          LONGITUDE:  83 20 W

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

AVERAGE MONTHLY: 21.6   TOTAL FOR MONTH:   1.01    1 = FOG OR MIST
DPTR FM NORMAL:  -4.0   DPTR FM NORMAL:   -0.42    2 = FOG REDUCING VISIBILITY
HIGHEST:    57 ON 11    GRTST 24HR  0.40 ON 22-22      TO 1/4 MILE OR LESS
LOWEST:     -6 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   5.8 INCHES  5 = HAIL
                        GRTST 24HR   2.2 ON  8- 8  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   8 ON  8     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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  19    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   6    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   950    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL    80    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1  3194    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL    27

[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 29.49 ON 22

[REMARKS]



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