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

                                          STATION:   SPRINGFIELD
                                          MONTH:     DECEMBER
                                          YEAR:      2003
                                          LATITUDE:   39 50 N                   
                                          LONGITUDE:  89 41 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  48  29  39   3  26   0 0.00  0.0    0 11.9 24 290   M    M   0        32 310
 2  39  31  35   0  30   0 0.00  0.0    0  8.3 16 120   M    M   6        18 110
 3  40  34  37   2  28   0 0.03  0.0    0 14.2 23 110   M    M   8 1      29 110
 4  38  34  36   2  29   0 0.02    T    0  7.0 14 100   M    M  10 1      17  80
 5  38  32  35   1  30   0 0.14  1.6    1 11.1 18 340   M    M   9 18     23 330
 6  42  27  35   1  30   0 0.00  0.0    0  6.3 12 340   M    M   1 128    14 330
 7  45  30  38   5  27   0 0.00  0.0    0 11.4 21 150   M    M   4 128    25 150
 8  47  38  43  10  22   0 0.00  0.0    0 11.4 18 170   M    M   6 18     21 160
 9  55  41  48  16  17   0 0.06  0.0    0  9.3 20 140   M    M   8 12     25 160
10  54  23  39   7  26   0 0.25    T    0 18.2 30 300   M    M  10 1      39 310
11  29  17  23  -9  42   0 0.00  0.0    0 11.1 21 310   M    M   4        24 300
12  30  12  21 -10  44   0 0.00  0.0    0  5.5 10 330   M    M   0        14 330
13  28  22  25  -6  40   0 0.10  1.5    0  9.7 18  90   M    M   8 18     23  90
14  28  23  26  -5  39   0 0.01  0.2    1  7.4 17 180   M    M  10 18     21 180
15  47  27  37   7  28   0 0.00  0.0    1 20.9 33 150   M    M   4 1      40 150
16  45  26  36   6  29   0 0.01    T    0 19.0 30 290   M    M   9 18     35 290
17  36  20  28  -2  37   0    T    T    0  9.8 21 290   M    M   3        25 290
18  34  30  32   3  33   0 0.04  0.4    T 12.7 22 300   M    M  10 18     26 310
19  31  19  25  -4  40   0    T    T    M 15.1 28 310   M    M   6        33 310
20  33  10  22  -7  43   0 0.00  0.0    0  9.4 21 180   M    M   1        25 190
21  54  30  42  14  23   0 0.00  0.0    0 17.0 28 200   M    M   0        33 190
22  52  38  45  17  20   0 0.56  0.0    0  8.6 16 190   M    M   8 1      20 190
23  39  30  35   7  30   0 0.14  0.0    0 11.0 21 320   M    M  10 1      26 320
24  30  22  26  -2  39   0    T    T    0  9.9 17 320   M    M   3        28 320
25  39  18  29   2  36   0 0.00  0.0    0  6.3 10 240   M    M   0        13 160
26  46  27  37  10  28   0 0.00  0.0    0 10.6 21 160   M    M   0        25 160
27  54  36  45  18  20   0 0.00  0.0    0 19.9 29 160   M    M   4        35 150
28  52  45  49  22  16   0 0.06  0.0    0 13.7 26 180   M    M   9        35 170
29  47  28  38  11  27   0 0.00  0.0    0 10.1 23 270   M    M   5        29 270
30  50  23  37  11  28   0 0.00  0.0    0 13.6 28 180   M    M   0        35 180
31  50  30  40  14  25   0 0.00  0.0    0  9.4 22 190   M    M   0        26 190
================================================================================
SM 1300  852       932   0  1.42     3.7 359.8          M      156              
================================================================================
AV 41.9 27.5                              11.6 FASTST  PSBL  %   5    MAX(MPH)  
                                 MISC ---->    33 150                 40  150   
================================================================================
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:    DECEMBER
                                          YEAR:     2003
                                          LATITUDE:   39 50 N                   
                                          LONGITUDE:  89 41 W                   

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

AVERAGE MONTHLY: 34.7   TOTAL FOR MONTH:   1.42    1 = FOG                      
DPTR FM NORMAL:   4.4   DPTR FM NORMAL:   -1.12    2 = FOG REDUCING VISIBILITY  
HIGHEST:    55 ON  9    GRTST 24HR  0.70 ON 22-23      TO 1/4 MILE OR LESS      
LOWEST:     10 ON 20                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   3.7 INCHES  5 = HAIL                     
                        GRTST 24HR   1.6 ON  5- 5  6 = GLAZE OR RIME            
                        GRTST DEPTH:   1 ON 15,14  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:  12                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:  24    0.50 INCH OR MORE:   1                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   932    CLEAR  (SCALE 0-3)  11                                  
DPTR FM NORMAL  -129    PTCLDY (SCALE 4-7)   8                                  
SEASONAL TOTAL  1958    CLOUDY (SCALE 8-10) 12                                  
DPTR FM NORMAL  -178                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL   916    HIGHEST SLP 30.63 ON  2                                 
DPTR FM NORMAL  -249    LOWEST  SLP 29.30 ON 10                                 

[REMARKS]