WFO Monthly/Daily Climate Data
Issued by NWS Grand Rapids, MI

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CXUS53 KGRR 131017
CF6GRR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GRAND RAPIDS
                                          MONTH:     DECEMBER
                                          YEAR:      2017
                                          LATITUDE:   42 52 N
                                          LONGITUDE:  85 31 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  50  25  38   4  27   0 0.00  0.0    0  5.3 15 270 417   75   5        19 240
 2  53  31  42   8  23   0 0.00  0.0    0  7.8 15 240 187   34   6 8      19 230
 3  53  25  39   6  26   0 0.00  0.0    0  4.7 12 250 442   80   5 18     13 140
 4  61  41  51  18  14   0 0.08  0.0    0 17.3 25 190   0    0   8 13     36 180
 5  57  28  43  11  22   0 0.04    T    0 27.2 41 240  23    4   8 13     52 240
 6  35  26  31  -1  34   0    T    T    0 18.7 33 250 270   49   5        44 240
 7  27  23  25  -7  40   0 0.05  1.8    1 11.1 23 260  50    9  10 12     27 260
 8  30  19  25  -6  40   0    T  0.1    1 10.8 24 250  67   12   8        31 240
 9  30  24  27  -4  38   0 0.17  2.8    2  9.0 18 200   0    0   9 1      23 190
10  28  24  26  -5  39   0    T    T    2 10.7 20 250   0    0  10 1      24 250
11  31  23  27  -3  38   0 0.10  1.3    2  7.7 21 330   0    0  10 16     28 320
12  30  17  24  -6  41   0    T    T    2 15.1 28 330 260   48   7 168    36 320
================================================================================
SM  485  306       382   0  0.44     6.0 145.4         1716     91
================================================================================
AV 40.4 25.5                              12.1 FASTST  143  26   8    MAX(MPH)
                                 MISC ---->  # 41 240               # 52  240
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  GRAND RAPIDS
                                          MONTH:    DECEMBER
                                          YEAR:     2017
                                          LATITUDE:   42 52 N
                                          LONGITUDE:  85 31 W

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

AVERAGE MONTHLY: 33.0   TOTAL FOR MONTH:   0.44    1 = FOG OR MIST
DPTR FM NORMAL:   1.0   DPTR FM NORMAL:   -0.62    2 = FOG REDUCING VISIBILITY
HIGHEST:    61 ON  4    GRTST 24HR  0.17 ON  9- 9      TO 1/4 MILE OR LESS
LOWEST:     17 ON 12                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.0 INCHES  5 = HAIL
                        GRTST 24HR   2.8 ON  9- 9  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 12,11  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:   6    0.01 INCH OR MORE:   5
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:  11    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   382    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -15    PTCLDY (SCALE 4-7)   7
TOTAL FM JUL 1  1573    CLOUDY (SCALE 8-10)  5
DPTR FM NORMAL  -162

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   719    HIGHEST SLP M ON M
DPTR FM NORMAL    20    LOWEST  SLP 29.47 ON  5

[REMARKS]



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