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

                                          STATION:   DETROIT
                                          MONTH:     JULY
                                          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  86  61  74   2   0   9 0.00  0.0    0  7.4 15 250   M    M   3 18     20 320
 2  82  60  71  -1   0   6 0.00  0.0    0  6.8 13 130   M    M   3        16 140
 3  84  58  71  -1   0   6 0.00  0.0    0  7.5 13 100   M    M   4        16  90
 4  84  71  78   5   0  13 0.34  0.0    0 14.2 28 210   M    M   8 18     40 270
 5  79  62  71  -2   0   6 0.00  0.0    0 10.0 20 330   M    M   5 1      22 330
 6  86  59  73   0   0   8 0.00  0.0    0  8.1 18 210   M    M   5        22 210
 7  81  64  73   0   0   8 0.25  0.0    0 12.3 33 240   M    M   7 138    44 230
 8  71  59  65  -8   0   0    T  0.0    0 10.5 22 270   M    M   8 1      24 270
 9  79  54  67  -6   0   2 0.00  0.0    0  4.3 10 290   M    M   5        12 110
10  84  66  75   2   0  10 0.00  0.0    0  4.4 12 170   M    M   8 8      15 190
11  86  66  76   3   0  11    T  0.0    0  5.3 14 140   M    M   6 18     17 130
12  85  68  77   4   0  12 0.06  0.0    0  5.8 14 320   M    M   7 18     16 320
13  89  68  79   5   0  14 0.17  0.0    0  7.8 25 350   M    M   6 1238   33 350
14  77  65  71  -3   0   6 0.27  0.0    0 12.7 28 360   M    M   7 3      35 360
15  82  62  72  -2   0   7 0.00  0.0    0 13.5 26 310   M    M   4        31 310
16  85  60  73  -1   0   8 0.03  0.0    0  6.3 20 250   M    M   4 3      23 250
17  79  65  72  -2   0   7    T  0.0    0  5.9 14 350   M    M   9 1      18 360
18  81  61  71  -3   0   6 0.12  0.0    0  5.8 17  30   M    M   7 13     24  30
19  83  61  72  -2   0   7 0.00  0.0    0  6.4 15 290   M    M   6 18     18 280
20  86  64  75   1   0  10    T  0.0    0  7.5 15 230   M    M   6 18     21 250
21  89  71  80   6   0  15 0.21  0.0    0 10.7 21 230   M    M   7 138    24 230
22  91  69  80   6   0  15 0.09  0.0    0  9.4 17  10   M    M   9 18     20  10
23  76  58  67  -7   0   2 0.00  0.0    0 10.8 17  10   M    M   7        21  10
24  75  53  64 -10   1   0 0.00  0.0    0  8.7 16  30   M    M   6        24  50
25  72  60  66  -8   0   1 0.00  0.0    0  7.5 14  30   M    M   8        16  90
26  75  61  68  -6   0   3    T  0.0    0  8.7 16  20   M    M   9        18  10
27  64  57  61 -13   4   0 1.18  0.0    0  8.9 20 360   M    M  10 1      24 360
28  82  57  70  -4   0   5 0.01  0.0    0  6.5 12 300   M    M   6 18     14 300
29  80  63  72  -2   0   7 0.00  0.0    0  4.6 15 170   M    M   6 18     17 170
30  76  68  72  -2   0   7 0.08  0.0    0  3.7  9 140   M    M   9 128    13 190
31  84  67  76   2   0  11 0.04  0.0    0  9.3 17 250   M    M   5 1      22 240
================================================================================
SM 2513 1938         5 222  2.85     0.0 251.3          M      200              
================================================================================
AV 81.1 62.5                               8.1 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    33 240                 44  230   
================================================================================
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:    JULY
                                          YEAR:     2004
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 71.8   TOTAL FOR MONTH:   2.85    1 = FOG                      
DPTR FM NORMAL:  -1.7   DPTR FM NORMAL:   -0.31    2 = FOG REDUCING VISIBILITY  
HIGHEST:    91 ON 22    GRTST 24HR  1.19 ON 27-28      TO 1/4 MILE OR LESS      
LOWEST:     53 ON 24                               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:  13                                  
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   7                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.     5    CLEAR  (SCALE 0-3)   2                                  
DPTR FM NORMAL     5    PTCLDY (SCALE 4-7)  20                                  
SEASONAL TOTAL     5    CLOUDY (SCALE 8-10)  9                                  
DPTR FM NORMAL     5                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.   222                                                            
DPTR FM NORMAL   -32    [PRESSURE DATA]                                         
SEASONAL TOTAL   393    HIGHEST SLP 30.37 ON 24                                 
DPTR FM NORMAL   -54    LOWEST  SLP 29.73 ON 15                                 

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