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

                                          STATION:   DETROIT
                                          MONTH:     OCTOBER
                                          YEAR:      2004
                                          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  72  46  59   1   6   0 0.00  0.0    0  5.9 16 170   M    M   5        18 170
 2  64  43  54  -4  11   0 0.22    M    0 11.0 25 320   M    M   4 1      32 330
 3  65  36  51  -6  14   0 0.00  0.0    0  9.6 20 220   M    M   3        23 220
 4  58  40  49  -8  16   0 0.00  0.0    0 11.5 22 330   M    M   4        24 320
 5  58  35  47  -9  18   0 0.00  0.0    0  6.3 15 250   M    M   0        18 250
 6  74  36  55  -1  10   0 0.00  0.0    0 10.1 18 230   M    M   1        21 220
 7  74  47  61   6   4   0 0.00  0.0    0  6.1 15 180   M    M   5        17 190
 8  79  49  64   9   1   0 0.05    M    0 12.1 26 220   M    M   7        31 220
 9  70  49  60   5   5   0 0.05    M    0 12.5 26 220   M    M   4 1      30 290
10  64  42  53  -1  12   0 0.00  0.0    0  6.0 14  30   M    M   0        16  20
11  62  41  52  -2  13   0 0.00  0.0    0  6.1 14  30   M    M   3        16  30
12  63  41  52  -1  13   0 0.00  0.0    0  4.6 13  70   M    M   7 1      15  10
13  60  45  53   0  12   0 0.07  0.0    0  5.7 12  10   M    M   9 1      13 300
14  62  50  56   3   9   0    T  0.0    0  5.2 12 240   M    M   9 1      14 260
15  54  45  50  -2  15   0 0.57  0.0    0  8.7 23 270   M    M  10 1      30 260
16  47  41  44  -8  21   0 0.08  0.0    0 18.4 29 240   M    M   9        36 250
17  45  39  42  -9  23   0 0.03  0.0    0 12.3 23 250   M    M  10        30 250
18  50  38  44  -7  21   0    T  0.0    0  7.3 16  40   M    M   8        23  40
19  49  45  47  -4  18   0 0.01    M    0 11.3 20  40   M    M  10 1      22  40
20  56  47  52   2  13   0 0.00  0.0    0  7.0 12  20   M    M  10 12     14  20
21  54  50  52   2  13   0    T  0.0    0  6.7 12  20   M    M  10        14  10
22  56  50  53   4  12   0 0.00  0.0    0  7.4 13  90   M    M  10 1      16  80
23  60  49  55   6  10   0 0.27    M    0 10.2 16 160   M    M   7 1      21 170
24  61  51  56   7   9   0    T  0.0    0  6.6 10 240   M    M   9         M  M 
25  66  44  55   7  10   0 0.00  0.0    0  3.3  9 170   M    M   5 12     12 230
26  60  44  52   4  13   0 0.00    M    0  4.1 14  60   M    M  10 128    17  70
27  65  48  57   9   8   0 0.00  0.0    0  9.2 16  20   M    M   4 18     18  10
28  63  48  56   9   9   0    T  0.0    0  5.8 13  60   M    M   8        15  70
29  69  53  61  14   4   0 0.56  0.0    0  7.2 14 220   M    M   8 13     18 140
30  75  56  66  19   0   1 0.17  0.0    0 21.1 47 220   M    M   7 13     56 240
31  56  47  52   6  13   0    T  0.0    0 13.1 24 270   M    M  10        30 270
================================================================================
SM 1911 1395       356   1  2.08     0.0 272.4          M      206              
================================================================================
AV 61.6 45.0                               8.8 FASTST  PSBL  %   7    MAX(MPH)  
                                 MISC ---->    47 220                 56  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:    OCTOBER
                                          YEAR:     2004
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 53.3   TOTAL FOR MONTH:   2.08    1 = FOG                      
DPTR FM NORMAL:   1.4   DPTR FM NORMAL:   -0.15    2 = FOG REDUCING VISIBILITY  
HIGHEST:    79 ON  8    GRTST 24HR  0.57 ON 15-15      TO 1/4 MILE OR LESS      
LOWEST:     35 ON  5                               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:  11                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   356    CLEAR  (SCALE 0-3)   5                                  
DPTR FM NORMAL   -70    PTCLDY (SCALE 4-7)  11                                  
SEASONAL TOTAL   411    CLOUDY (SCALE 8-10) 15                                  
DPTR FM NORMAL  -148                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     1                                                            
DPTR FM NORMAL    -5    [PRESSURE DATA]                                         
SEASONAL TOTAL   642    HIGHEST SLP 30.46 ON  5                                 
DPTR FM NORMAL   -94    LOWEST  SLP 29.28 ON 15                                 

[REMARKS]