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

                                          STATION:   FLINT
                                          MONTH:     MARCH
                                          YEAR:      2004
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 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  53  36  45  17  20   0 0.09  0.0    T 10.2 22 160   M    M   6 1      26 170
 2  52  42  47  19  18   0 0.04  0.0    T 12.2 23 270   M    M   9 18     29 270
 3  44  39  42  13  23   0 0.01  0.0    T  7.0 13 290   M    M  10 18     16 280
 4  48  38  43  14  22   0 0.45  0.0    0  6.6 16  90   M    M   9 18     17  80
 5  66  38  52  22  13   0 0.33  0.0    0 18.6 33 220   M    M   9 1      46 220
 6  39  33  36   6  29   0    T    T    0 13.2 23 270   M    M  10 1      29 280
 7  43  33  38   8  27   0 0.15  1.4    T 13.7 24 250   M    M   9 1      36 250
 8  39  30  35   4  30   0    T  0.5    T 10.9 23 330   M    M  10 1      30 320
 9  41  25  33   2  32   0 0.02  0.6    1  7.1 15  10   M    M   4 1      20  20
10  48  21  35   4  30   0 0.00  0.0    0  7.9 18 200   M    M   0 1      23 200
11  48  23  36   4  29   0 0.02  0.8    T 16.0 31 280   M    M   8 18     36 290
12  24  19  22 -10  43   0 0.01  0.6    1 17.9 30 300   M    M  10 18     35 290
13  39  13  26  -7  39   0 0.00  0.0    1  6.8 15 160   M    M   2        20 170
14  44  31  38   5  27   0    T    T    0 15.4 31 270   M    M   9 18     41 280
15  39  28  34   1  31   0 0.00  0.0    0 12.9 24 270   M    M   5        30 270
16  30  24  27  -7  38   0 0.10  1.0    0 14.7 23  70   M    M   9 1      28  80
17  31  23  27  -7  38   0    T  0.3    1  2.6 14  60   M    M  10 18     15  60
18  40  24  32  -2  33   0    T  0.1    0  4.1 14 170   M    M   8 18     17 160
19  45  27  36   1  29   0 0.00  0.0    0  9.3 21 180   M    M   6 128    28 190
20  58  34  46  11  19   0 0.42    T    0 15.0 33 290   M    M   7 18     40 280
21  35  21  28  -8  37   0    T    T    T 16.1 28 300   M    M   7        35 310
22  35  15  25 -11  40   0 0.00  0.0    0  8.8 12 210   M    M   1        17 210
23  52  28  40   4  25   0 0.00  0.0    0 10.6 20 280   M    M   6 1      23 280
24  53  29  41   4  24   0 0.28  0.0    0  8.9 15 210   M    M   7 18     20 210
25  66  53  60  23   5   0 0.07  0.0    0 11.4 17 210   M    M   9 1      22 190
26  64  49  57  19   8   0 0.31  0.0    0  9.9 17 220   M    M  10 18     22 230
27  55  42  49  11  16   0 0.00  0.0    0  9.1 16  80   M    M   9 1      17 110
28  58  40  49  11  16   0 0.00  0.0    0 14.2 21 140   M    M   6 18     25 130
29  59  44  52  13  13   0 0.06  0.0    0  7.6 20 160   M    M   8 1      24 170
30  52  41  47   8  18   0    T  0.0    0  7.5 17  60   M    M   8 1      21  70
31  47  37  42   3  23   0    T    T    0 14.7 23  20   M    M  10        30  20
================================================================================
SM 1447  980       795   0  2.36     5.3 340.9          M      231              
================================================================================
AV 46.7 31.6                              11.0 FASTST  PSBL  %   7    MAX(MPH)  
                                 MISC ---->    33 220                 46  220   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  FLINT
                                          MONTH:    MARCH
                                          YEAR:     2004
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 W                   

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

AVERAGE MONTHLY: 39.1   TOTAL FOR MONTH:   2.36    1 = FOG                      
DPTR FM NORMAL:   5.4   DPTR FM NORMAL:    0.14    2 = FOG REDUCING VISIBILITY  
HIGHEST:    66 ON 25, 5 GRTST 24HR  0.77 ON  4- 5      TO 1/4 MILE OR LESS      
LOWEST:     13 ON 13                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   5.3 INCHES  5 = HAIL                     
                        GRTST 24HR   1.4 ON  7- 7  6 = GLAZE OR RIME            
                        GRTST DEPTH:   1 ON 17,13  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:   3    0.01 INCH OR MORE:  15                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7                                  
MIN 32 OR BELOW:  16    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   795    CLEAR  (SCALE 0-3)   3                                  
DPTR FM NORMAL  -162    PTCLDY (SCALE 4-7)   9                                  
SEASONAL TOTAL  5714    CLOUDY (SCALE 8-10) 19                                  
DPTR FM NORMAL  -381                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.53 ON 13                                 
DPTR FM NORMAL     0    LOWEST  SLP 29.38 ON  5                                 

[REMARKS]