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

                                          STATION:   SPRINGFIELD
                                          MONTH:     MAY
                                          YEAR:      2003
                                          LATITUDE:   39 49 N                   
                                          LONGITUDE:  89 40 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  73  56  65   7   0   0 0.33  0.0    0  9.8 22 270   M    M   6 138    29 290
 2  66  45  56  -3   9   0 0.00  0.0    0  9.4 17  40   M    M   7 18     21  50
 3  68  36  52  -7  13   0 0.00  0.0    0  4.6 14  30   M    M   0        16  30
 4  55  48  52  -7  13   0 0.51  0.0    0 16.4 28 140   M    M   6 13     43 160
 5  79  54  67   7   0   2 0.07  0.0    0 12.6 24 260   M    M   1 1      30 250
 6  75  47  61   1   4   0 0.17  0.0    0  5.9 20 150   M    M   1 13     23 150
 7  71  54  63   2   2   0 0.00  0.0    0  6.9 21 300   M    M   6 8      24 300
 8  67  51  59  -2   6   0 0.52  0.0    0 11.1 28 120   M    M   9 138    32 140
 9  87  67  77  16   0  12 0.23  0.0    0 13.3 23 190   M    M   3 138    29 180
10  77  59  68   6   0   3 0.73  0.0    0 14.8 28 270   M    M   4 13     47 260
11  59  50  55  -7  10   0 0.00  0.0    0 22.3 35 270   M    M  10        43 270
12  71  50  61  -1   4   0 0.00  0.0    0 14.1 26 290   M    M   1        33 310
13  71  45  58  -5   7   0    T  0.0    0  4.9 14 170   M    M   5        17 160
14  75  57  66   3   0   1 0.01  0.0    0  7.4 20 250   M    M   5        22  10
15  71  50  61  -2   4   0 0.06  0.0    0  6.4 17  40   M    M   5 138    23  30
16  67  48  58  -6   7   0    T  0.0    0  9.2 16  60   M    M   6 1      20  60
17  71  56  64   0   1   0 0.03  0.0    0 12.6 18  50   M    M   9 18     21  50
18  74  62  68   4   0   3 0.04  0.0    0  9.0 15  70   M    M   9 18     18  70
19  77  63  70   5   0   5 0.01  0.0    0  5.2 12 150   M    M   6 138    15 120
20  69  48  59  -6   6   0    T  0.0    0 12.5 25 310   M    M   4 138    32 310
21  66  43  55 -10  10   0 0.00  0.0    0  8.3 18  70   M    M   0        24  80
22  70  43  57  -9   8   0 0.00  0.0    0  7.5 18  30   M    M   0        23  30
23  68  48  58  -8   7   0    T  0.0    0  5.6 14  30   M    M   6        16  20
24  71  43  57  -9   8   0 0.29  0.0    0  3.6 12 290   M    M   4 1      14 280
25  73  49  61  -6   4   0 0.03  0.0    0  7.9 18  40   M    M   4 1      22  30
26  75  46  61  -6   4   0 0.00  0.0    0  5.6 17  30   M    M   3        23  20
27  79  46  63  -4   2   0 0.00  0.0    0  3.9 15 320   M    M   1        20 300
28  80  54  67  -1   0   2 0.11  0.0    0 10.2 28 320   M    M   2 1      35 330
29  80  51  66  -2   0   1 0.00  0.0    0  9.6 25 330   M    M   1 8      32 340
30  79  50  65  -3   0   0 0.03  0.0    0 10.9 26 320   M    M   2 1      32 310
31  69  50  60  -9   5   0 0.00  0.0    0 13.8 26 320   M    M   6        32 310
================================================================================
SM 2233 1569       134  29  3.17     0.0 295.3          M      132              
================================================================================
AV 72.0 50.6                               9.5 FASTST  PSBL  %   4    MAX(MPH)  
                                 MISC ---->    35 270                 47  260   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

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

                                          STATION:  SPRINGFIELD
                                          MONTH:    MAY
                                          YEAR:     2003
                                          LATITUDE:   39 49 N                   
                                          LONGITUDE:  89 40 W                   

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

AVERAGE MONTHLY: 61.3   TOTAL FOR MONTH:   3.17    1 = FOG                      
DPTR FM NORMAL:  -2.3   DPTR FM NORMAL:   -0.89    2 = FOG REDUCING VISIBILITY  
HIGHEST:    87 ON  9    GRTST 24HR  0.92 ON  9-10      TO 1/4 MILE OR LESS      
LOWEST:     36 ON  3                               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:   8                                  
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   134    CLEAR  (SCALE 0-3)  12                                  
DPTR FM NORMAL     8    PTCLDY (SCALE 4-7)  15                                  
SEASONAL TOTAL  5755    CLOUDY (SCALE 8-10)  4                                  
DPTR FM NORMAL   173                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.    29                                                            
DPTR FM NORMAL   -55    [PRESSURE DATA]                                         
SEASONAL TOTAL    49    HIGHEST SLP 30.37 ON 21                                 
DPTR FM NORMAL   -54    LOWEST  SLP 29.34 ON  5                                 

[REMARKS]