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

                                          STATION:   FLINT
                                          MONTH:     APRIL
                                          YEAR:      2005
                                          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  56  36  46   6  19   0 0.00  0.0    0  9.1 23 280   M    M   3        26 280
 2  44  37  41   1  24   0 0.00  0.0    0 17.5 28  20   M    M   6        35  20
 3  57  33  45   4  20   0 0.00  0.0    0 16.7 29 310   M    M   0        37 320
 4  62  30  46   5  19   0 0.00  0.0    0  6.6 14 290   M    M   0        18 330
 5  75  43  59  18   6   0 0.00  0.0    0 10.0 21 190   M    M   0        26 200
 6  78  51  65  23   0   0 0.00  0.0    0  7.9 15 220   M    M   6 18     23 190
 7  64  39  52  10  13   0    T  0.0    0 10.3 20  10   M    M   6 8      25  20
 8  63  28  46   4  19   0 0.00  0.0    0  6.6 17  70   M    M   0 1      20  70
 9  66  31  49   6  16   0 0.00  0.0    0  6.6 15 120   M    M   0        20 120
10  71  34  53  10  12   0 0.00  0.0    0  8.3 20  80   M    M   1        22  70
11  65  37  51   7  14   0 0.00  0.0    0 11.9 23  80   M    M   0        26  70
12  57  36  47   3  18   0 0.00  0.0    0 15.3 28 110   M    M   0        32 100
13  59  32  46   2  19   0 0.00  0.0    0 12.0 23  50   M    M   0        26  70
14  61  31  46   1  19   0 0.00  0.0    0  8.2 20  10   M    M   0        25 350
15  64  30  47   2  18   0 0.00  0.0    0  7.8 16  90   M    M   0        24  70
16  72  32  52   6  13   0 0.00  0.0    0  7.4 14 210   M    M   0        18 190
17  74  48  61  15   4   0    T  0.0    0  6.6 16 300   M    M   4        23 310
18  77  43  60  14   5   0 0.00  0.0    0  5.5 12 140   M    M   2 8      15 140
19  83  50  67  20   0   2 0.00  0.0    0 10.4 21 230   M    M   2 8      25 230
20  68  37  53   6  12   0 0.07  0.0    0 13.4 25 290   M    M   8 138    30 340
21  57  32  45  -3  20   0 0.00  0.0    0  8.9 16  60   M    M   0        20  60
22  52  32  42  -6  23   0 0.21  0.0    0  8.6 23  50   M    M   6        32  10
23  42  32  37 -11  28   0 0.37  3.5    0 16.2 29  10   M    M  10 1      38  10
24  33  30  32 -17  33   0 0.39  4.3    3 17.2 24 290   M    M  10 12     29 290
25  58  33  46  -3  19   0 0.13  0.2    0 14.4 25 280   M    M   7 1      32 270
26  52  40  46  -3  19   0 0.12  0.0    0  9.7 18 220   M    M   6 1      25 220
27  48  40  44  -6  21   0 0.02  0.0    0  9.8 24 260   M    M   8 18     30 260
28  52  34  43  -7  22   0 0.00  0.0    0 10.4 13 320   M    M   5        16 320
29  53  30  42  -9  23   0 0.00  0.0    0  4.7 16  90   M    M   4        17  90
30  54  40  47  -4  18   0 0.00  0.0    0  6.6 16 270   M    M   7        23 260
================================================================================
SM 1817 1081       496   2  1.31     8.0 304.6          M      101              
================================================================================
AV 60.6 36.0                              10.2 FASTST  PSBL  %   3    MAX(MPH)  
                                 MISC ---->  # 29  10                 38   10   
================================================================================
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:    APRIL
                                          YEAR:     2005
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 W                   

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

AVERAGE MONTHLY: 48.3   TOTAL FOR MONTH:   1.31    1 = FOG                      
DPTR FM NORMAL:   2.9   DPTR FM NORMAL:   -1.82    2 = FOG REDUCING VISIBILITY  
HIGHEST:    83 ON 19    GRTST 24HR  0.40 ON 23-24      TO 1/4 MILE OR LESS      
LOWEST:     28 ON  8                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   8.0 INCHES  5 = HAIL                     
                        GRTST 24HR   4.3 ON 24-24  6 = GLAZE OR RIME            
                        GRTST DEPTH:   3 ON 24     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:   7                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:  12    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   496    CLEAR  (SCALE 0-3)  16                                  
DPTR FM NORMAL   -81    PTCLDY (SCALE 4-7)  10                                  
SEASONAL TOTAL  6565    CLOUDY (SCALE 8-10)  4                                  
DPTR FM NORMAL  -107                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     2                                                            
DPTR FM NORMAL    -3    [PRESSURE DATA]                                         
SEASONAL TOTAL     2    HIGHEST SLP 30.48 ON 16                                 
DPTR FM NORMAL    -3    LOWEST  SLP 29.40 ON 25                                 

[REMARKS]