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

                                          STATION:   DETROIT
                                          MONTH:     MAY
                                          YEAR:      2003
                                          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
                                          AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  74  49  62   8   3   0 1.00  0.0    0  7.7 26 310   M    M   8 138    32 310
 2  54  42  48  -7  17   0 0.01  0.0    0 10.2 16  20   M    M   9 1      20  20
 3  61  39  50  -5  15   0 0.00  0.0    0  7.0 13 190   M    M   5        17 100
 4  65  38  52  -3  13   0 0.00  0.0    0  8.7 17 100   M    M   4        22 120
 5  76  51  64   8   1   0 0.61  0.0    0 10.1 22 210   M    M   7 135    25 210
 6  73  52  63   7   2   0 0.00  0.0    0  9.4 20 250   M    M   1 1      28 260
 7  54  49  52  -5  13   0 0.08  0.0    0  6.5 14  40   M    M   7 1      17  50
 8  63  50  57   0   8   0    T  0.0    0  5.0 12  60   M    M   9 18     16  80
 9  69  47  58   1   7   0 0.46  0.0    0  8.8 18 140   M    M   6 13     21 170
10  75  54  65   7   0   0 0.56  0.0    0  8.8 18 220   M    M   8 13     22 190
11  69  43  56  -2   9   0 0.14  0.0    0 25.3 47 230   M    M   7 18     58 240
12  50  46  48 -10  17   0 0.07  0.0    0 20.9 31 270   M    M  10 1      36 290
13  67  46  57  -2   8   0    T  0.0    0 12.9 24 310   M    M   4        30 310
14  70  42  56  -3   9   0 0.00  0.0    0  4.3 16 170   M    M   5        18 170
15  60  50  55  -5  10   0 0.12  0.0    0  7.9 15  70   M    M  10 1      20  70
16  64  50  57  -3   8   0 0.00  0.0    0  5.6 13  80   M    M   8 128    16  60
17  68  53  61   1   4   0 0.00  0.0    0  9.8 17  60   M    M   4 1      23  60
18  64  51  58  -3   7   0 0.00  0.0    0  8.7 16  70   M    M   6 18     18  80
19  72  57  65   4   0   0 0.00  0.0    0  7.1 13 140   M    M   9        15 140
20  68  50  59  -2   6   0 0.20  0.0    0 11.2 24 300   M    M   7 18     30 300
21  60  44  52 -10  13   0 0.00  0.0    0 11.6 25  40   M    M   4        29  40
22  65  39  52 -10  13   0 0.00  0.0    0  9.8 20  60   M    M   2        24  60
23  62  43  53  -9  12   0 0.00  0.0    0  6.6 15 340   M    M   4        18 330
24  57  45  51 -12  14   0    T  0.0    0  6.3 13 250   M    M   8 1      15 250
25  67  42  55  -8  10   0 0.00  0.0    0  3.7 12  10   M    M   4 18     13  20
26  64  51  58  -5   7   0 0.02  0.0    0  2.9 12  60   M    M   7 18     14  80
27  69  46  58  -6   7   0 0.06    M    0  3.6 21 360   M    M   6 18     25  10
28  71  47  59  -5   6   0 0.00  0.0    0  4.9 13 170   M    M   7 128    16 190
29  78  55  67   3   0   2 0.15  0.0    0  5.7 18  90   M    M   6 138    22  30
30  70  53  62  -3   3   0 0.36  0.0    0  5.1 18 210   M    M   7 18     21 210
31  59  42  51 -14  14   0 0.89    M    0 13.6 23 360   M    M   9 1      30 360
================================================================================
SM 2038 1466       256   2  4.73     0.0 269.7          M      198              
================================================================================
AV 65.7 47.3                               8.7 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    47 230                 58  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:  DETROIT
                                          MONTH:    MAY
                                          YEAR:     2003
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 56.5   TOTAL FOR MONTH:   4.73    1 = FOG                      
DPTR FM NORMAL:  -3.3   DPTR FM NORMAL:    1.68    2 = FOG REDUCING VISIBILITY  
HIGHEST:    78 ON 29    GRTST 24HR  1.22 ON 30-31      TO 1/4 MILE OR LESS      
LOWEST:     38 ON  4                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   0.0 INCH    5 = HAIL                     
                        GRTST 24HR     0.0         6 = GLAZE OR RIME            
                        GRTST DEPTH:   0           7 = BLOWING DUST OR SAND:    
                                                       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:  15                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  10                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   4                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   256    CLEAR  (SCALE 0-3)   2                                  
DPTR FM NORMAL    37    PTCLDY (SCALE 4-7)  19                                  
SEASONAL TOTAL  6603    CLOUDY (SCALE 8-10) 10                                  
DPTR FM NORMAL   227                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     2                                                            
DPTR FM NORMAL   -40    [PRESSURE DATA]                                         
SEASONAL TOTAL    10    HIGHEST SLP 30.42 ON 21                                 
DPTR FM NORMAL   -38    LOWEST  SLP 29.32 ON 11                                 

[REMARKS]


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