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

                                          STATION:   DETROIT
                                          MONTH:     MARCH
                                          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  33  21  27  -4  38   0 0.24  2.8    6 13.3 21 310   M    M  10 19     26 310
 2  24  13  19 -13  46   0    T    T    6 10.8 21 300   M    M   8 8      23 310
 3  28   9  19 -13  46   0 0.00  0.0    6  8.7 15 280   M    M   4        17 300
 4  35  12  24  -9  41   0 0.00  0.0    6  4.6 10 250   M    M   7        12 250
 5  40  20  30  -3  35   0 0.00  0.0    5  5.8 18 300   M    M   3 128    21 300
 6  48  28  38   5  27   0 0.00  0.0    4 13.8 29 240   M    M   6        32 250
 7  54  20  37   3  28   0 0.04    T    T 20.7 35 270   M    M  10 1      41 270
 8  25  15  20 -14  45   0    T    T    0 13.4 23 310   M    M   4        30 310
 9  27  15  21 -13  44   0    T    T    0  9.3 17 280   M    M   5        22 320
10  33  14  24 -11  41   0 0.08  1.2    0 10.8 23 200   M    M   6 1      29 190
11  35  23  29  -6  36   0 0.03  0.5    2 10.2 20 220   M    M   9 1      24 270
12  35  23  29  -6  36   0 0.05  0.9    1 12.3 21 320   M    M   9 1      26 310
13  33  15  24 -12  41   0 0.00  0.0    T  5.8 15 300   M    M   2        18 300
14  37  19  28  -8  37   0 0.00  0.0    0  6.2 14 290   M    M   5        17 320
15  39  24  32  -5  33   0    T    T    0  6.9 14 270   M    M   7        21 280
16  40  19  30  -7  35   0 0.00  0.0    0  5.1 16 180   M    M   3        18 170
17  41  28  35  -2  30   0    T    T    0  7.7 16 300   M    M   7 18     20 300
18  36  29  33  -5  32   0 0.02  0.3    0  7.3 13  60   M    M  10 1      15  80
19  40  31  36  -2  29   0 0.11  0.0    0  6.8 15  90   M    M   8 18     18  80
20  40  34  37  -1  28   0    T    T    0  9.7 17 290   M    M  10 128    21 290
21  41  32  37  -2  28   0 0.00  0.0    0  6.9 14 320   M    M  10        18 300
22  48  32  40   1  25   0 0.00  0.0    0  6.3 17  30   M    M  10        22  30
23  35  29  32  -7  33   0 0.17  1.7    0 13.5 23  30   M    M  10 1      30  20
24  46  31  39  -1  26   0 0.00  0.0    2  5.8 14 160   M    M   9        16 160
25  47  30  39  -1  26   0 0.00  0.0    0  8.2 15  20   M    M   9        17  20
26  47  26  37  -4  28   0 0.00  0.0    0  5.5 13  20   M    M   6        14 150
27  47  28  38  -3  27   0 0.00  0.0    0  5.3 13  50   M    M   6 18     15  50
28  59  30  45   4  20   0 0.00  0.0    0 11.0 22  10   M    M   5 18     26  30
29  63  33  48   6  17   0 0.00  0.0    0  4.4 13 130   M    M   5 18     15 120
30  67  41  54  12  11   0 0.00  0.0    0  8.9 22 130   M    M   3        28 130
31  60  46  53  11  12   0    T  0.0    0 19.4 39 240   M    M   8        47 240
================================================================================
SM 1283  770       981   0  0.74     7.4 284.4          M      214              
================================================================================
AV 41.4 24.8                               9.2 FASTST  PSBL  %   7    MAX(MPH)  
                                 MISC ---->    39 240                 47  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:    MARCH
                                          YEAR:     2005
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 33.1   TOTAL FOR MONTH:   0.74    1 = FOG                      
DPTR FM NORMAL:  -3.8   DPTR FM NORMAL:   -1.78    2 = FOG REDUCING VISIBILITY  
HIGHEST:    67 ON 30    GRTST 24HR  0.24 ON  1- 1      TO 1/4 MILE OR LESS      
LOWEST:      9 ON  3                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   7.4 INCHES  5 = HAIL                     
                        GRTST 24HR   2.8 ON  1- 1  6 = GLAZE OR RIME            
                        GRTST DEPTH:   6 ON  4, 3  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:   4    0.01 INCH OR MORE:   8                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3                                  
MIN 32 OR BELOW:  27    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   981    CLEAR  (SCALE 0-3)   4                                  
DPTR FM NORMAL    95    PTCLDY (SCALE 4-7)  13                                  
SEASONAL TOTAL  5410    CLOUDY (SCALE 8-10) 14                                  
DPTR FM NORMAL  -220                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.27 ON 16                                 
DPTR FM NORMAL     0    LOWEST  SLP 29.19 ON  7                                 

[REMARKS]