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

                                          STATION:   FLINT
                                          MONTH:     MAY
                                          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  60  43  52   0  13   0 0.83  0.0    0  9.4 16  30   M    M  10 13     20  20
 2  49  38  44  -8  21   0 0.42  0.0    0 10.0 18  10   M    M   9 1      24  10
 3  50  30  40 -12  25   0 0.00  0.0    0  8.5 15 290   M    M   6        20 320
 4  62  29  46  -7  19   0 0.02  0.0    0 10.2 23 190   M    M   5 3      30 200
 5  62  42  52  -1  13   0 0.00  0.0    0 10.3 20 320   M    M   3        24 280
 6  80  45  63  10   2   0    T  0.0    0  9.3 25  10   M    M   4 8      30  10
 7  60  47  54   0  11   0    T  0.0    0 11.9 22  50   M    M   5        28  40
 8  66  42  54   0  11   0 0.70    M    0 10.2 31 320   M    M   6 135    37 310
 9  79  53  66  11   0   1 0.39  0.0    0  7.4 24 290   M    M   8 1238   29 280
10  85  63  74  19   0   9 0.56  0.0    0 11.1 28 290   M    M   6 13     32 210
11  75  56  66  11   0   1    T  0.0    0  9.5 16 100   M    M   5 18     21  60
12  85  63  74  18   0   9 0.00  0.0    0  9.4 18 190   M    M   2 18     25 200
13  81  64  73  17   0   8 0.24  0.0    0  6.4 15 180   M    M   5 138    18 250
14  80  53  67  11   0   2 0.58  0.0    0 11.0 25 300   M    M   8 138    33 250
15  53  45  49  -8  16   0 0.00  0.0    0  7.1 17 320   M    M   9        21 320
16  69  38  54  -3  11   0 0.00  0.0    0  5.0 12 160   M    M   1 1      14 150
17  80  51  66   8   0   1 0.01  0.0    0 10.1 21 190   M    M   4 138    28 190
18  71  53  62   4   3   0 0.09  0.0    0  9.3 24 270   M    M   7 13     29 270
19  73  46  60   2   5   0 0.00  0.0    0  6.6 14 100   M    M   0 1      16 100
20  80  56  68   9   0   3    T  0.0    0  8.8 21 210   M    M   6 138    29 230
21  67  56  62   3   3   0 1.03  0.0    0  9.4 30 120   M    M   8 13     35 120
22  82  57  70  11   0   5 1.12  0.0    0  6.6 30 300   M    M   7 123    37 280
23  81  56  69   9   0   4 1.39  0.0    0  9.6 40 260   M    M   9 123    48 270
24  70  53  62   2   3   0    T  0.0    0 11.9 24 270   M    M   9 13     30 270
25  62  50  56  -4   9   0 0.38  0.0    0  6.0 12  60   M    M   9 1      14  60
26  66  50  58  -3   7   0 0.00  0.0    0  7.3 16 280   M    M   5 18     18 280
27  71  42  57  -4   8   0    T  0.0    0  8.3 22 280   M    M   4 18     26 260
28  63  47  55  -6  10   0 0.00  0.0    0  7.9 15 360   M    M   6        22 360
29  65  41  53  -9  12   0 0.00  0.0    0  3.6 13 100   M    M   4        14 100
30  72  55  64   2   1   0 0.09  0.0    0 11.2 21 120   M    M   4 1      35 130
31  78  56  67   5   0   2 0.34  0.0    0 10.6 37 260   M    M   7 138    46 260
================================================================================
SM 2177 1520       203  45  8.19     0.0 273.9          M      181              
================================================================================
AV 70.2 49.0                               8.8 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    40 260                 48  270   
================================================================================
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:    MAY
                                          YEAR:     2004
                                          LATITUDE:   42 58 N                   
                                          LONGITUDE:  83 44 W                   

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

AVERAGE MONTHLY: 59.6   TOTAL FOR MONTH:   8.19    1 = FOG                      
DPTR FM NORMAL:   2.5   DPTR FM NORMAL:    5.45    2 = FOG REDUCING VISIBILITY  
HIGHEST:    85 ON 12,10 GRTST 24HR  1.80 ON 22-23      TO 1/4 MILE OR LESS      
LOWEST:     29 ON  4                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   0.0 INCH    5 = HAIL                     
                        GRTST 24HR     0.0         6 = GLAZE OR RIME            
                        GRTST DEPTH:   0           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:  16                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  12                                  
MIN 32 OR BELOW:   2    0.50 INCH OR MORE:   7                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   3                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   203    CLEAR  (SCALE 0-3)   4                                  
DPTR FM NORMAL   -64    PTCLDY (SCALE 4-7)  18                                  
SEASONAL TOTAL  6375    CLOUDY (SCALE 8-10)  9                                  
DPTR FM NORMAL  -564                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    45                                                            
DPTR FM NORMAL    12    [PRESSURE DATA]                                         
SEASONAL TOTAL    59    HIGHEST SLP 30.39 ON  7                                 
DPTR FM NORMAL    21    LOWEST  SLP 29.40 ON 31                                 

[REMARKS]