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

                                          STATION:   DETROIT
                                          MONTH:     MAY
                                          YEAR:      2005
                                          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  56  37  47  -7  18   0    T  0.0    0 12.8 29 240   M    M   5        40 250
 2  50  34  42 -13  23   0 0.02    T    0 12.6 26 270   M    M   9        32 280
 3  47  32  40 -15  25   0 0.02  0.1    0  8.1 16 260   M    M   8 48     18 260
 4  58  31  45 -10  20   0 0.00  0.0    0  6.9 16 140   M    M   2        20 150
 5  61  41  51  -5  14   0 0.00  0.0    0  6.1 14 100   M    M   3        22 130
 6  69  37  53  -3  12   0 0.00  0.0    0  4.8 15 180   M    M   3        17 170
 7  73  48  61   4   4   0    T  0.0    0  6.6 22 320   M    M   3 18     28 330
 8  70  45  58   1   7   0 0.00  0.0    0  5.1 14 180   M    M   4 18     20 170
 9  78  54  66   9   0   1 0.00  0.0    0  7.0 15 140   M    M   6        18 140
10  83  61  72  14   0   7 0.00  0.0    0 10.7 25 260   M    M   5        30 260
11  70  48  59   1   6   0 0.05  0.0    0  7.9 24  10   M    M   6 1      29  20
12  56  40  48 -10  17   0 0.00  0.0    0 12.1 22  10   M    M   6        28  10
13  66  45  56  -3   9   0 0.63  0.0    0  9.5 25 280   M    M   8 13     30 280
14  66  50  58  -1   7   0 0.07  0.0    0  9.8 20 220   M    M   8 18     24 270
15  56  46  51  -9  14   0    T  0.0    0 12.0 20 250   M    M   8        23 320
16  56  44  50 -10  15   0 0.00  0.0    0  7.5 15 330   M    M   8        18 320
17  63  47  55  -5  10   0 0.00  0.0    0  3.8 14 130   M    M   6        16 130
18  67  46  57  -4   8   0 0.00  0.0    0  6.9 17 160   M    M   6        23 150
19  60  53  57  -4   8   0 0.28  0.0    0  8.3 18  90   M    M   9 1      24  80
20  73  51  62   1   3   0 0.00  0.0    0  9.6 17  70   M    M   5        22  90
21  77  47  62   0   3   0 0.00  0.0    0  4.1 16 300   M    M   2        21 360
22  65  52  59  -3   6   0 0.16  0.0    0  4.7 16 270   M    M   6        20 270
23  62  52  57  -5   8   0 0.56  0.0    0  5.8 15  60   M    M   9 128    18  60
24  62  49  56  -7   9   0    T  0.0    0 10.1 20 350   M    M   8        25  10
25  75  47  61  -2   4   0 0.00  0.0    0  7.4 15  30   M    M   3        16  30
26  75  51  63   0   2   0 0.00  0.0    0  6.8 22 290   M    M   5        25 300
27  75  48  62  -2   3   0    T    M    0 10.1 25 280   M    M   4 8      31 260
28  69  51  60  -4   5   0 0.02  0.0    0  9.8 23 280   M    M   4        28 270
29  71  51  61  -3   4   0 0.02  0.0    0  7.9 28 310   M    M   7        31 320
30  74  55  65   0   0   0 0.02  0.0    0  4.0 10 170   M    M   6        14 250
31  77  54  66   1   0   1 0.00  0.0    0  3.8 13 140   M    M   3 18     16 140
================================================================================
SM 2060 1447       264   9  1.85     0.1 242.6          M      175              
================================================================================
AV 66.5 46.7                               7.8 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    29 240                 40  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:  DETROIT
                                          MONTH:    MAY
                                          YEAR:     2005
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 56.6   TOTAL FOR MONTH:   1.85    1 = FOG                      
DPTR FM NORMAL:  -3.2   DPTR FM NORMAL:   -1.20    2 = FOG REDUCING VISIBILITY  
HIGHEST:    83 ON 10    GRTST 24HR  0.70 ON 13-14      TO 1/4 MILE OR LESS      
LOWEST:     31 ON  4                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   0.1 INCH    5 = HAIL                     
                        GRTST 24HR   0.1 ON  3- 3  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:  11                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4                                  
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   264    CLEAR  (SCALE 0-3)   7                                  
DPTR FM NORMAL    45    PTCLDY (SCALE 4-7)  15                                  
SEASONAL TOTAL  6095    CLOUDY (SCALE 8-10)  9                                  
DPTR FM NORMAL  -281                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     9                                                            
DPTR FM NORMAL   -33    [PRESSURE DATA]                                         
SEASONAL TOTAL    11    HIGHEST SLP 30.45 ON  5                                 
DPTR FM NORMAL   -37    LOWEST  SLP 29.53 ON 23                                 

[REMARKS]