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

                                          STATION:   FLINT
                                          MONTH:     MARCH
                                          YEAR:      2003
                                          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  38  14  26  -2  39   0 0.01    T    1  6.0 12 170   M    M   6 18     14 180
 2  33  -1  16 -12  49   0 0.02  0.7    2 12.1 23 310   M    M   6 19     31 320
 3  17 -11   3 -26  62   0    T  0.0    2  7.9 15 160   M    M   2 1       M  M 
 4  38  17  28  -1  37   0 0.25  6.2    2  8.5 16  40   M    M   9 1489   20 240
 5  24  14  19 -11  46   0 0.05  0.4    7 11.4 18 360   M    M   6 19     27  30
 6  22   3  13 -17  52   0    T    T    7  6.7 16  40   M    M   4 18     20  70
 7  35   5  20 -10  45   0 0.00  0.0    7  8.8 15 170   M    M   5         M  M 
 8  40  13  27  -4  38   0 0.04  0.3    4  9.1 31  10   M    M  10 128    43 360
 9  17  -1   8 -23  57   0    T  0.2    4 12.6 28 270   M    M   4 89     30 290
10  21   5  13 -18  52   0    T  0.1    3 10.7 20 260   M    M   3 18     24 280
11  39  10  25  -7  40   0 0.00  0.0    3 12.2 21 210   M    M   6        26 220
12  39  24  32   0  33   0    T  0.4    3  8.1 15  60   M    M   9 18     18 230
13  30  12  21 -12  44   0 0.19  4.0    7  9.7 18  30   M    M   5 1      22 360
14  44   7  26  -7  39   0 0.00  0.0    6  7.2 14 200   M    M   2        17 200
15  59  25  42   9  23   0 0.00  0.0    4  5.6 13 180   M    M   1 18     16 190
16  65  41  53  19  12   0 0.00  0.0    2  7.2 14 190   M    M   1 128    17 200
17  70  37  54  20  11   0 0.00  0.0    0  3.6 10  40   M    M   5 128    13  40
18  47  34  41   7  24   0 0.00  0.0    0 11.7 18  40   M    M   8 128    22  40
19  56  33  45  10  20   0 0.01  0.0    0 12.4 21  90   M    M   3 8      23 100
20  68  39  54  19  11   0 0.03  0.0    0  7.3 25 270   M    M   6 1238   29 270
21  56  36  46  10  19   0 0.05  0.0    0  7.7 31 270   M    M   7 12     36 270
22  43  36  40   4  25   0 0.06  0.0    0  8.9 16 270   M    M  10 1      18 280
23  52  27  40   4  25   0 0.00  0.0    0  5.4 10 160   M    M   7 18     12 160
24  70  34  52  15  13   0    T  0.0    0  9.5 21 180   M    M   2 18     26 170
25  62  42  52  15  13   0 0.16  0.0    0  9.6 21 270   M    M   5 1      24 270
26  54  28  41   3  24   0    T  0.0    0  4.5 18 230   M    M   3 1      22 240
27  59  27  43   5  22   0 0.00  0.0    0  9.2 22 110   M    M   3 1      25 110
28  73  44  59  21   6   0 0.83  0.0    0 17.6 31 220   M    M   6 13     41 190
29  44  28  36  -3  29   0    T    T    0 15.5 23 280   M    M  10 1      29 260
30  38  23  31  -8  34   0 0.00  0.0    0  8.1 17  10   M    M   7        22 360
31  43  28  36  -3  29   0 0.01  0.3    0  9.6 23 310   M    M   6 1      28 310
================================================================================
SM 1396  673       973   0  1.71    12.6 284.4          M      167              
================================================================================
AV 45.0 21.7                               9.2 FASTST  PSBL  %   5    MAX(MPH)  
                                 MISC ---->    31  10                 43  360   
================================================================================
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:     2003
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 W                   

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

AVERAGE MONTHLY: 33.4   TOTAL FOR MONTH:   1.71    1 = FOG                      
DPTR FM NORMAL:  -0.3   DPTR FM NORMAL:   -0.51    2 = FOG REDUCING VISIBILITY  
HIGHEST:    73 ON 28    GRTST 24HR  0.83 ON 28-28      TO 1/4 MILE OR LESS      
LOWEST:    -11 ON  3                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:  12.6 INCHES  5 = HAIL                     
                        GRTST 24HR   6.2 ON  4- 4  6 = GLAZE OR RIME            
                        GRTST DEPTH:   7 ON 13, 7  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:   6    0.01 INCH OR MORE:  13                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4                                  
MIN 32 OR BELOW:  21    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   3    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   973    CLEAR  (SCALE 0-3)   9                                  
DPTR FM NORMAL    16    PTCLDY (SCALE 4-7)  16                                  
SEASONAL TOTAL  6221    CLOUDY (SCALE 8-10)  6                                  
DPTR FM NORMAL   126                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.40 ON 14                                 
DPTR FM NORMAL     0    LOWEST  SLP 29.51 ON 28                                 

[REMARKS]