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

                                          STATION:   DETROIT
                                          MONTH:     DECEMBER
                                          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  47  30  39   4  26   0 0.00  0.0    0 19.3 32 300   M    M   4        41 300
 2  36  24  30  -4  35   0 0.00  0.0    0  7.7 20 300   M    M   2        24 310
 3  37  22  30  -4  35   0 0.00  0.0    0  2.5 10 200   M    M   5        12 220
 4  43  26  35   2  30   0 0.00  0.0    0  8.8 17 110   M    M   9        22 110
 5  37  30  34   1  31   0 0.03  0.3    0 13.8 21  20   M    M  10 1      26  30
 6  34  25  30  -3  35   0 0.00  0.0    0  6.9 15 300   M    M   6 18     17 300
 7  34  20  27  -5  38   0 0.00  0.0    0  5.2  9 200   M    M   6        12 310
 8  38  24  31  -1  34   0 0.00  0.0    0  4.1 10 130   M    M  10 18     13 110
 9  40  35  38   6  27   0 0.02  0.0    0  5.0  9 120   M    M  10 18     13 120
10  46  40  43  12  22   0 0.84  0.0    0  8.5 20 130   M    M  10 1      24 130
11  47  25  36   5  29   0 0.02    T    0 17.4 28 290   M    M  10 1      33 290
12  30  20  25  -5  40   0    T    T    0 10.5 20 290   M    M   5 1      24 290
13  29  15  22  -8  43   0    T    T    0  5.4 15  90   M    M   4        18  90
14  32  28  30   0  35   0 0.09  0.9    T  6.5 14 290   M    M  10 1      17 290
15  31  28  30   0  35   0 0.00  0.0    1  9.6 17 210   M    M   9 18     20 200
16  44  30  37   8  28   0 0.13    T    T 14.4 28 220   M    M   9 1      32 250
17  33  27  30   1  35   0 0.02  0.4    T 15.6 24 240   M    M  10 16     28 240
18  32  27  30   1  35   0    T    T    T  9.9 17 270   M    M  10 1      21 260
19  32  27  30   2  35   0 0.03  0.4    T  8.8 17 310   M    M  10 18     20 310
20  30  19  25  -3  40   0    T    T    0 10.8 20 220   M    M   6        23 220
21  44  25  35   7  30   0 0.00  0.0    0 18.8 28 210   M    M   7        35 220
22  46  37  42  14  23   0 0.04  0.0    0 15.4 22 230   M    M   9 18     28 230
23  42  34  38  11  27   0 0.79    T    0  5.8 10 340   M    M  10 1      14 330
24  35  30  33   6  32   0 0.03  0.3    T  9.1 16 290   M    M  10 1      20 320
25  32  29  31   4  34   0 0.14  1.4    1 13.0 21 250   M    M  10 1      25 250
26  41  24  33   6  32   0 0.00  0.0    1  8.1 15 300   M    M   3        18 300
27  44  24  34   7  31   0 0.00  0.0    0  4.8  9 150   M    M   4 18     13 180
28  50  31  41  15  24   0 0.00  0.0    0  8.1 18 200   M    M   6        22 190
29  47  39  43  17  22   0 0.51  0.0    0  8.5 17 300   M    M  10 1      21 300
30  39  28  34   8  31   0    T    T    0 12.7 24 250   M    M   8        29 250
31  48  29  39  13  26   0 0.00  0.0    0 15.6 28 270   M    M   2        35 260
================================================================================
SM 1200  852       980   0  2.69     3.7 310.6          M      234              
================================================================================
AV 38.7 27.5                              10.0 FASTST  PSBL  %   8    MAX(MPH)  
                                 MISC ---->    32 300                 41  300   
================================================================================
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:    DECEMBER
                                          YEAR:     2003
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 33.1   TOTAL FOR MONTH:   2.69    1 = FOG                      
DPTR FM NORMAL:   3.5   DPTR FM NORMAL:    0.18    2 = FOG REDUCING VISIBILITY  
HIGHEST:    50 ON 28    GRTST 24HR  0.84 ON 10-10      TO 1/4 MILE OR LESS      
LOWEST:     15 ON 13                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   3.7 INCHES  5 = HAIL                     
                        GRTST 24HR   1.4 ON 25-25  6 = GLAZE OR RIME            
                        GRTST DEPTH:   1 ON 26,25  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:   8    0.01 INCH OR MORE:  13                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:  26    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   980    CLEAR  (SCALE 0-3)   3                                  
DPTR FM NORMAL  -119    PTCLDY (SCALE 4-7)  10                                  
SEASONAL TOTAL  2124    CLOUDY (SCALE 8-10) 18                                  
DPTR FM NORMAL  -276                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL   663    HIGHEST SLP 30.62 ON  3                                 
DPTR FM NORMAL   -73    LOWEST  SLP 29.38 ON 10                                 

[REMARKS]