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

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CXUS53 KGRR 010910
CF6GRR
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   GRAND RAPIDS
                                          MONTH:     MAY
                                          YEAR:      2021
                                          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  75  30  53  -1  12   0    T  0.0    0 15.0 36 250   M    M   5 3      49 250
 2  83  65  74  20   0   9 0.00  0.0    0 17.3 29 250   M    M   6        37 250
 3  66  58  62   8   3   0 0.07  0.0    0  7.3 17 200   M    M   9 1      25 210
 4  62  45  54  -1  11   0 0.21  0.0    0 12.4 22 250   M    M   9 1      28 240
 5  60  41  51  -4  14   0 0.00  0.0    0 11.0 20 310   M    M   4        27 310
 6  48  39  44 -12  21   0 0.25  0.0    0  2.5 13 220   M    M   8 1      15 250
 7  54  32  43 -13  22   0    T  0.0    0  8.9 22 350   M    M   6 12     29 340
 8  53  33  43 -13  22   0 0.00  0.0    0  7.5 17 320   M    M   5        23 340
 9  61  37  49  -8  16   0 0.00  0.0    0  8.0 21  20   M    M   6        26  20
10  56  37  47 -10  18   0    T  0.0    0  8.5 18 270   M    M   5        27 280
11  57  34  46 -12  19   0 0.00  0.0    0 10.0 22 300   M    M   4        28 310
12  66  35  51  -7  14   0 0.00  0.0    0  5.9 18 300   M    M   2        25 310
13  68  33  51  -7  14   0 0.00  0.0    0  4.6 16 240   M    M   1        20 260
14  73  36  55  -4  10   0 0.00  0.0    0  4.7 17 300   M    M   4        23 300
15  71  40  56  -3   9   0 0.14  0.0    0  6.3 23 230   M    M   7 1      31 220
16  69  50  60   1   5   0 0.03  0.0    0  4.7 10 230   M    M   9 1      17 200
17  77  47  62   2   3   0 0.00  0.0    0  5.1 14 120   M    M   5        18 120
18  81  47  64   4   1   0 0.00  0.0    0  7.7 21 120   M    M   5 1      28 180
19  79  62  71  11   0   6    T  0.0    0  8.1 22 250   M    M   7 8      27 260
20  86  63  75  14   0  10    T  0.0    0  6.4 18 170   M    M   8        26 170
21  86  62  74  13   0   9 0.00  0.0    0  8.5 18 270   M    M   7        26 260
22  86  64  75  14   0  10    T  0.0    0  7.6 20 260   M    M   5        25 290
23  75  52  64   2   1   0 0.07  0.0    0  9.4 17  60   M    M   7 18     21  60
24  85  52  69   7   0   4 0.00  0.0    0  7.1 15 260   M    M   8        20 250
25  86  66  76  14   0  11    T  0.0    0 15.1 28 230   M    M   6        36 240
26  75  53  64   1   1   0 0.73  0.0    0 12.9 25 280   M    M   6 1      34 290
27  59  42  51 -12  14   0 0.21  0.0    0 12.0 26  80   M    M   7 1      35  90
28  51  39  45 -18  20   0 0.21  0.0    0 16.1 30  60   M    M   9 1      41  40
29  64  37  51 -13  14   0 0.00  0.0    0 11.7 23  70   M    M   1        32  70
30  69  36  53 -11  12   0 0.00  0.0    0  3.5 17 250   M    M   2 1      22 250
31  73  47  60  -4   5   0 0.00  0.0    0  7.8 20 210   M    M   7        25 200
================================================================================
SM 2154 1414       281  59  1.92  0.0    273.6          M      180
================================================================================
AV 69.5 45.6                               8.8 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    36 250                 49 250
================================================================================
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:     MAY
                                          YEAR:      2021
                                          LATITUDE:   42 52 N
                                          LONGITUDE:  85 31 W

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

AVERAGE MONTHLY: 57.5   TOTAL FOR MONTH:   1.92    1 = FOG OR MIST
DPTR FM NORMAL:  -1.7   DPTR FM NORMAL:   -2.08    2 = FOG REDUCING VISIBILITY
HIGHEST:    86 ON 25,22  GRTST 24HR  0.73 ON 26-26      TO 1/4 MILE OR LESS
LOWEST:     30 ON  1                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            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:   9
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   281    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL    56    PTCLDY (SCALE 4-7)  20
TOTAL FM JUL 1  6144    CLOUDY (SCALE 8-10)  7
DPTR FM NORMAL  -225

[CDD (BASE 65) ]
TOTAL THIS MO.    59
DPTR FM NORMAL    14    [PRESSURE DATA]
TOTAL FM JAN 1    62    HIGHEST SLP 30.49 ON 12
DPTR FM NORMAL    11    LOWEST  SLP 29.57 ON  4

[REMARKS]
#FINAL-05-21#


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