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

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000
CXUS53 KGRR 311017
CF6GRR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GRAND RAPIDS MI
                                          MONTH:     DECEMBER
                                          YEAR:      2012
                                          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  60  37  49  15  16   0    T  0.0    0 11.5 24 200   0    0  10 18     31 230
 2  58  35  47  13  18   0 0.34  0.0    0  8.0 18 210   6    1   9 1238   25 210
 3  65  35  50  17  15   0 0.02  0.0    0 11.4 25 210   0    0  10 12     33 220
 4  65  37  51  18  14   0 0.11  0.0    0 12.1 31 240 184   33   6 1      38 230
 5  39  28  34   2  31   0 0.00  0.0    0  6.9 16 320 420   76   6        23 320
 6  42  27  35   3  30   0    T  0.0    0  9.2 18 160   0    0   8        22 170
 7  46  40  43  11  22   0 0.06  0.0    0  4.0 12 190   0    0  10 18     15 190
 8  42  28  35   4  30   0 0.22  1.0    T  6.6 14  60  23    4   9 1      17  50
 9  35  30  33   2  32   0 0.10    T    0 11.7 22  90   0    0   9 146    26  70
10  36  27  32   1  33   0 0.03  0.2    T  6.6 15 330  40    7   9 16     18 350
11  36  22  29  -1  36   0 0.01  0.2    0  8.9 23 200  63   12   7 1      29 200
12  45  32  39   9  26   0    T    T    T 10.8 18 220 447   82   6        23 210
13  48  28  38   8  27   0 0.00  0.0    0 10.5 22 210 512   94   4        28 210
14  50  28  39  10  26   0 0.00  0.0    0  4.4  9  90 535   99   5 18     13 200
15  48  32  40  11  25   0 0.37  0.0    0 10.3 17 140   0    0   8 18     23 130
16  49  41  45  16  20   0 0.21  0.0    0 10.8 21 250   2    0   9 1      26 250
17  42  33  38  10  27   0    T  0.0    0  6.2 15 270   0    0  10 1      20 160
18  40  27  34   6  31   0 0.02    T    0  5.6 12 190 163   30   8 18     18 210
19  40  34  37   9  28   0    T  0.0    0  3.7 12 100   0    0  10 128    14 100
20  47  34  41  13  24   0 1.06  0.4    T 15.8 32  90   0    0  10 18     39  90
21  39  32  36   8  29   0 0.06  0.6    T 20.5 35 330   0    0  10 1      49 340
22  36  26  31   4  34   0 0.00  0.0    T 11.2 22 320 392   72   7        29 300
23  32  22  27   0  38   0 0.00  0.0    0  5.1 13 330  73   13   5 18     17 350
24  31  22  27   0  38   0    T    T    0  7.8 16  70   0    0   7        20  70
25  32  17  25  -2  40   0 0.00  0.0    0  5.8 14  40 105   19   6        17  50
26  29  22  26   0  39   0 0.17  3.1    3 14.5 23  20   0    0  10 1      30  30
27  32  19  26   0  39   0    T  0.1    3  5.1 15 320  26    5   9 1      18 320
28  30  18  24  -2  41   0 0.03  0.7    2  4.9 10 100   0    0  10 1      12 100
29  32  22  27   1  38   0 0.02  0.5    2  5.6  9 250   1    0   9 18     18 330
30  30  23  27   1  38   0 0.02  0.4    2 10.8 20 250   0    0  10 18     24 240
================================================================================
SM 1256  858       885   0  2.85     7.2 266.3         2992    246
================================================================================
AV 41.9 28.6                               8.9 FASTST  100  18   8    MAX(MPH)
                                 MISC ---->  # 35 330               # 49  340
================================================================================
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 MI
                                          MONTH:    DECEMBER
                                          YEAR:     2012
                                          LATITUDE:   42 52 N
                                          LONGITUDE:  85 31 W

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

AVERAGE MONTHLY: 35.2   TOTAL FOR MONTH:   2.85    1 = FOG OR MIST
DPTR FM NORMAL:   6.0   DPTR FM NORMAL:    0.43    2 = FOG REDUCING VISIBILITY
HIGHEST:    65 ON  4, 3 GRTST 24HR  1.06 ON 20-20      TO 1/4 MILE OR LESS
LOWEST:     17 ON 25                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.2 INCHES  5 = HAIL
                        GRTST 24HR   3.1 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   3 ON 27,26  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:   8    0.01 INCH OR MORE:  17
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   8
MIN 32 OR BELOW:  21    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   885    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL  -186    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  2194    CLOUDY (SCALE 8-10) 17
DPTR FM NORMAL  -215

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1039    HIGHEST SLP M ON M
DPTR FM NORMAL   340    LOWEST  SLP 29.08 ON 20

[REMARKS]



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