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

                                          STATION:   FLINT
                                          MONTH:     APRIL
                                          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  65  36  51  11  14   0 0.06    T    0 10.0 20 270   M    M   5 1      24 160
 2  52  38  45   5  20   0 0.00  0.0    0 11.6 18  50   M    M   8 18     22  50
 3  38  33  36  -5  29   0 0.33  0.0    0 13.4 24  90   M    M  10 136    28  90
 4  35  30  33  -8  32   0 1.51  1.0    0 12.7104  60   M    M  10 13456  MM  60
 5  32  25  29 -12  36   0 0.02  1.0    1 11.3 22 290   M    M   9 16     28 300
 6  31  18  25 -17  40   0 0.00  0.0    1  8.0 20  80   M    M   5        23  70
 7  32  26  29 -13  36   0 0.03  1.6    1 18.2 28  70   M    M   9 126    36  70
 8  33  26  30 -12  35   0    T  0.0    1 10.5 17  30   M    M   9 16     22  60
 9  46  23  35  -8  30   0 0.00  0.0    1  7.0 16  40   M    M   0        20  50
10  60  23  42  -1  23   0 0.00  0.0    0  3.1 12  50   M    M   0        14  40
11  70  27  49   5  16   0 0.00  0.0    0  5.2 14  60   M    M   0        17 310
12  53  34  44   0  21   0 0.00  0.0    0 12.3 21  10   M    M   1        26  10
13  59  25  42  -2  23   0 0.00  0.0    0  2.8 13 150   M    M   0        14 150
14  79  38  59  14   6   0 0.00  0.0    0 12.2 21 210   M    M   0        26 190
15  85  63  74  29   0   9 0.00  0.0    0 14.6 29 230   M    M   0        37 230
16  63  34  49   3  16   0 0.02  0.0    0 15.8 26  60   M    M   6        31  40
17  50  34  42  -4  23   0 0.06  0.0    0 14.4 24  70   M    M   4 1      30  80
18  56  40  48   2  17   0 0.25  0.0    0  5.8  9 100   M    M  10 18     10  30
19  73  45  59  12   6   0 0.00  0.0    0 10.1 21 130   M    M   3 18     24 150
20  75  54  65  18   0   0 0.37  0.0    0 13.3 35 260   M    M   5 138    52 260
21  57  39  48   0  17   0 0.09  0.0    0 11.8 22 310   M    M   9 18     26 230
22  48  35  42  -6  23   0 0.01    T    0 11.7 18 320   M    M   8 1      23 280
23  56  28  42  -6  23   0 0.00  0.0    0  7.8 16  10   M    M   0        18  10
24  64  30  47  -2  18   0 0.00  0.0    0  4.9 12 140   M    M   0        14 220
25  64  38  51   2  14   0 0.00  0.0    0  7.1 18  60   M    M   1        22  50
26  60  34  47  -2  18   0 0.00  0.0    0  7.3 17  10   M    M   0        22  20
27  74  33  54   4  11   0 0.00  0.0    0  8.4 18 220   M    M   0        22 200
28  79  46  63  13   2   0 0.00  0.0    0 14.0 24 260   M    M   2        29 260
29  65  36  51   0  14   0    T  0.0    0  6.5 15  70   M    M   2        18  70
30  59  47  53   2  12   0 0.19  0.0    0  9.6 20 130   M    M   8 18     24 130
================================================================================
SM 1713 1038       575   9  2.94     3.6 301.4          M      124              
================================================================================
AV 57.1 34.6                              10.0 FASTST  PSBL  %   4    MAX(MPH)  
                                 MISC ---->   104  60                104   60   
================================================================================
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:     2003
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 W                   

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

AVERAGE MONTHLY: 45.8   TOTAL FOR MONTH:   2.94    1 = FOG                      
DPTR FM NORMAL:   0.4   DPTR FM NORMAL:   -0.19    2 = FOG REDUCING VISIBILITY  
HIGHEST:    85 ON 15    GRTST 24HR  1.57 ON  3- 4      TO 1/4 MILE OR LESS      
LOWEST:     18 ON  6                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   3.6 INCHES  5 = HAIL                     
                        GRTST 24HR   1.6 ON  7- 7  6 = GLAZE OR RIME            
                        GRTST DEPTH:   1 ON  9, 8  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:  12                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:  11    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   575    CLEAR  (SCALE 0-3)  15                                  
DPTR FM NORMAL    -2    PTCLDY (SCALE 4-7)   5                                  
SEASONAL TOTAL  6796    CLOUDY (SCALE 8-10) 10                                  
DPTR FM NORMAL   124                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     9                                                            
DPTR FM NORMAL     4    [PRESSURE DATA]                                         
SEASONAL TOTAL     9    HIGHEST SLP 30.52 ON  6                                 
DPTR FM NORMAL     4    LOWEST  SLP 29.60 ON  5                                 

[REMARKS]