Preliminary Local Climatological Data

Unofficial Preliminary Data

Please note this information is preliminary and subject to revision. Official and certified climate data can be accessed at the National Climatic Data Center - www.ncdc.noaa.gov.

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

                                          STATION:   GRAND RAPIDS MI
                                          MONTH:     MAY
                                          YEAR:      2013
                                          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  85  59  72  18   0   7 0.00  0.0    0  8.5 20 200 640   76   2        23 200
 2  82  60  71  17   0   6 0.01  0.0    0  5.2 15 260 544   64   5        18 260
 3  81  57  69  15   0   4 0.00  0.0    0 10.9 24 110 458   54   7        31 120
 4  75  55  65  10   0   0 0.00  0.0    0 11.0 23 100 784   92   6        26 100
 5  75  52  64   9   1   0 0.00  0.0    0  8.4 21 100 774   90   6        28 100
 6  75  48  62   7   3   0 0.00  0.0    0  5.8 15 110 684   80   6        18  80
 7  78  50  64   8   1   0 0.00  0.0    0  4.0 17  80 781   91   5        28 110
 8  80  52  66  10   0   1 0.07  0.0    0  2.9 20 340 664   77   5         M 150
 9  81  52  67  11   0   2 0.01  0.0    0  4.3 21 240 633   73   6        25 250
10  61  45  53  -4  12   0 0.37  0.0    0  9.2 20  50   0    0  10 1      24  40
11  56  37  47 -10  18   0 0.11  0.0    0 10.5 28 300 172   20   8 1      38 300
12  46  37  42 -15  23   0 0.00  0.0    0 13.9 25 290 295   34   7        33 270
13  55  29  42 -16  23   0 0.00  0.0    0  5.8 17 240 792   91   3        29 350
14  76  46  61   3   4   0 0.01  0.0    0  9.2 21 180 529   60   7        26 270
15  78  56  67   9   0   2 0.00  0.0    0  9.9 24 250 782   89   3        30 240
16  82  48  65   6   0   0 0.00  0.0    0  6.1 16  80 856   97   4 8      21  70
17  71  50  61   2   4   0 0.00  0.0    0 11.8 20  80 327   37   8 8      23  80
18  83  55  69  10   0   4 0.00  0.0    0  5.8 14  90 585   66   8 8      22 150
19  86  56  71  11   0   6 0.00  0.0    0  6.3 15 150 850   96   4 8      21 180
20  88  68  78  18   0  13 0.06    T    0  9.5 20 190 709   80   6 358    30 240
21  81  64  73  13   0   8 0.22  0.0    0  9.8 35 260 722   81   6 138    43 260
22  72  59  66   5   0   1 0.60  0.0    0  8.1 22 260 121   14   9 18     25 260
================================================================================
SM 1647 1135        89  54  1.46    T    176.9        12702    131              
================================================================================
AV 74.9 51.6                               8.0 FASTST  577  66   6    MAX(MPH)  
                                 MISC ---->  # 35 260               # 43  260   
================================================================================
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:    MAY
                                          YEAR:     2013
                                          LATITUDE:   42 52 N                   
                                          LONGITUDE:  85 31 W                   

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

AVERAGE MONTHLY: 63.2   TOTAL FOR MONTH:   1.46    1 = FOG OR MIST              
DPTR FM NORMAL:   6.0   DPTR FM NORMAL:   -1.36    2 = FOG REDUCING VISIBILITY  
HIGHEST:    88 ON 20    GRTST 24HR  0.63 ON 21-22      TO 1/4 MILE OR LESS      
LOWEST:     29 ON 13                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:    T          5 = HAIL                     
                        GRTST 24HR    T  ON 20-20  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:   4                                  
MIN 32 OR BELOW:   1    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.    89    CLEAR  (SCALE 0-3)   2                                  
DPTR FM NORMAL  -102    PTCLDY (SCALE 4-7)  16                                  
TOTAL FM JUL 1  6211    CLOUDY (SCALE 8-10)  4                                  
DPTR FM NORMAL  -185                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    54                                                            
DPTR FM NORMAL    35    [PRESSURE DATA]                                         
TOTAL FM JAN 1    57    HIGHEST SLP M ON M                                      
DPTR FM NORMAL    30    LOWEST  SLP 29.55 ON 15                                 

[REMARKS]

Explaination of F6 Data

Contacting the National Climatic Data Center

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