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

                                          STATION:   DETROIT
                                          MONTH:     AUGUST
                                          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  83  60  72  -2   0   7 0.00  0.0    0  4.9 10 170   M    M   2 1      14 270
 2  88  65  77   3   0  12 0.00  0.0    0  7.7 18 230   M    M   3 3      23 220
 3  87  67  77   3   0  12 0.80  0.0    0  6.4 18 350   M    M   3 13     25 350
 4  72  61  67  -6   0   2 1.16  0.0    0  7.5 17  40   M    M   6 13     21  40
 5  74  56  65  -8   0   0 0.00  0.0    0  9.3 18 360   M    M   3        24 360
 6  77  52  65  -8   0   0 0.00  0.0    0  9.1 20 320   M    M   4        25 290
 7  78  55  67  -6   0   2 0.00  0.0    0  5.4 13 300   M    M   5        18 280
 8  81  60  71  -2   0   6 0.00  0.0    0  5.8 13 260   M    M   5        17 290
 9  81  62  72  -1   0   7 0.00  0.0    0 10.2 22 230   M    M   5        28 230
10  77  64  71  -2   0   6    T  0.0    0 14.4 25 240   M    M   7        31 240
11  73  55  64  -9   1   0    T  0.0    0 12.7 24 240   M    M   9        28 240
12  67  51  59 -14   6   0 0.00  0.0    0  6.9 13 250   M    M   7        16 290
13  70  56  63 -10   2   0 0.00  0.0    0  5.2 13 360   M    M   9        15 300
14  73  57  65  -7   0   0 0.07  0.0    0  5.3 13 300   M    M   8        14 300
15  74  56  65  -7   0   0 0.02  0.0    0  4.6 13 300   M    M   7 138    15 300
16  76  54  65  -7   0   0 0.01  0.0    0  4.1 12 240   M    M   4 1      16 240
17  80  59  70  -2   0   5 0.12  0.0    0  8.3 22 210   M    M   7 13     25 200
18  79  61  70  -2   0   5    T  0.0    0  9.8 20 240   M    M   6 13     24 240
19  72  60  66  -6   0   1    T  0.0    0  7.9 16 250   M    M   7        20 250
20  66  55  61 -10   4   0 0.07  0.0    0  5.0 16 210   M    M   7 1      17 210
21  72  54  63  -8   2   0 0.00  0.0    0  5.5 15 360   M    M   2 1      20 310
22  79  52  66  -5   0   1 0.00  0.0    0  8.7 18 210   M    M   5        21 210
23  81  61  71   0   0   6    T  0.0    0  8.7 15  60   M    M   5 3      20  30
24  83  59  71   0   0   6 0.00  0.0    0  8.1 15 160   M    M   5 18     20 150
25  87  70  79   9   0  14 0.20  0.0    0 11.1 21 190   M    M   6 13     25 180
26  85  70  78   8   0  13    T  0.0    0 11.5 20 200   M    M   7        23 200
27  87  73  80  10   0  15 0.00  0.0    0 11.4 21 230   M    M   8 13     26 230
28  78  65  72   2   0   7 1.77  0.0    0  6.7 16 270   M    M   9 138    21 260
29  69  61  65  -4   0   0 0.30  0.0    0  7.1 15  10   M    M  10 1      18  10
30  76  57  67  -2   0   2 0.00  0.0    0  4.9  9 300   M    M   5        15 320
31  79  56  68  -1   0   3 0.00  0.0    0  3.7 12 300   M    M   1        15 290
================================================================================
SM 2404 1844        15 132  4.52     0.0 237.9          M      177              
================================================================================
AV 77.5 59.5                               7.7 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    25 240                 31  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:    AUGUST
                                          YEAR:     2004
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 68.5   TOTAL FOR MONTH:   4.52    1 = FOG                      
DPTR FM NORMAL:  -3.3   DPTR FM NORMAL:    1.42    2 = FOG REDUCING VISIBILITY  
HIGHEST:    88 ON  2    GRTST 24HR  1.77 ON 28-28      TO 1/4 MILE OR LESS      
LOWEST:     51 ON 12                               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:  10                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.    15    CLEAR  (SCALE 0-3)   6                                  
DPTR FM NORMAL     3    PTCLDY (SCALE 4-7)  19                                  
SEASONAL TOTAL    20    CLOUDY (SCALE 8-10)  6                                  
DPTR FM NORMAL     8                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.   132                                                            
DPTR FM NORMAL   -76    [PRESSURE DATA]                                         
SEASONAL TOTAL   525    HIGHEST SLP 30.32 ON 15                                 
DPTR FM NORMAL  -130    LOWEST  SLP 29.74 ON 18                                 

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