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

                                          STATION:   PORTLAND
                                          MONTH:     DECEMBER
                                          YEAR:      2003
                                          LATITUDE:   45 35 N                   
                                          LONGITUDE: 122 36 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  40  44   2  21   0 0.12    M    0  7.9 15 130   M    M   8        17 120
 2  54  44  49   7  16   0 0.31    M    0 12.8 24 110   M    M  10 1      26 100
 3  47  36  42   0  23   0 0.01    M    0  6.5 25 110   M    M   8 12     30 100
 4  50  40  45   3  20   0 0.36    M    0 25.1 40 100   M    M  10 1      47 110
 5  54  41  48   6  17   0 0.85    M    0 15.3 26 210   M    M  10 1      31 210
 6  52  40  46   5  19   0    T    M    0  8.0 18 120   M    M   7        21 120
 7  44  41  43   2  22   0 0.40    M    0  9.5 18 120   M    M  10 1      22 110
 8  50  35  43   2  22   0 0.01    M    0  4.8 12 110   M    M   8 12     13 100
 9  45  35  40  -1  25   0 0.02    M    0 13.9 30  90   M    M  10 12     36  90
10  42  39  41   0  24   0 0.25    M    0  9.2 17 130   M    M  10 1      20 130
11  47  40  44   3  21   0 0.29    M    0 11.0 21 130   M    M  10 1      23 130
12  51  40  46   6  19   0 0.08    M    0  9.9 21 130   M    M  10 1      25 120
13  48  38  43   3  22   0 1.55    M    0  9.1 21 280   M    M  10 1      31 280
14  46  37  42   2  23   0 0.17    M    0  8.3 20 210   M    M   8 1      22 200
15  48  37  43   3  22   0 0.01    M    0  7.0 15 140   M    M   9 1      18 140
16  49  41  45   5  20   0 0.16    M    0 10.0 22 120   M    M  10 1      25 130
17  48  38  43   3  22   0    T    M    0  3.5  9 310   M    M   6 1      12  80
18  53  37  45   5  20   0 0.00    M    0 16.6 28 110   M    M   2 1      32 110
19  48  41  45   5  20   0 0.05    M    0 12.3 23 120   M    M   9 1      25 120
20  49  41  45   5  20   0 0.34    M    0  8.4 15 120   M    M  10 1      17 130
21  51  41  46   6  19   0 0.07    M    0  2.4  8 120   M    M   9 12      9 110
22  50  39  45   6  20   0 0.00  0.0    0 14.2 28 100   M    M   7 12     31 110
23  49  42  46   7  19   0 0.07    M    0 15.0 23 130   M    M  10 1      28  90
24  50  42  46   7  19   0 0.75    M    0 13.2 33 250   M    M  10 1      45 240
25  47  35  41   2  24   0 0.15    M    0  4.8 15 330   M    M   9 1      18 330
26  43  33  38  -1  27   0    T    M    0  5.3 13 200   M    M   9        14 150
27  43  37  40   1  25   0 0.58    M    0  9.8 24 190   M    M  10 1      30 210
28  43  35  39   0  26   0 0.49    M    0  3.0 13  80   M    M   9 1      15  90
29  43  28  36  -3  29   0 0.15    M    0  7.2 20  90   M    M   6        23  90
30  35  27  31  -8  34   0 0.04    M    0  6.1 16 120   M    M   9 1      17 120
31  35  32  34  -5  31   0 0.17    M    2 12.4 16 120   M    M  10 1      20 120
================================================================================
SM 1462 1172       691   0  7.45     0.0 302.5          M      273              
================================================================================
AV 47.2 37.8                               9.8 FASTST  PSBL  %   9    MAX(MPH)  
                                 MISC ---->    40 100                 47  110   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  PORTLAND
                                          MONTH:    DECEMBER
                                          YEAR:     2003
                                          LATITUDE:   45 35 N                   
                                          LONGITUDE: 122 36 W                   

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

AVERAGE MONTHLY: 42.5   TOTAL FOR MONTH:   7.45    1 = FOG                      
DPTR FM NORMAL:   2.3   DPTR FM NORMAL:    1.74    2 = FOG REDUCING VISIBILITY  
HIGHEST:    54 ON  5, 2 GRTST 24HR  1.59 ON 13-14      TO 1/4 MILE OR LESS      
LOWEST:     27 ON 30                               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:   2 ON 31     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:  26                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:  17                                  
MIN 32 OR BELOW:   3    0.50 INCH OR MORE:   4                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   691    CLEAR  (SCALE 0-3)   1                                  
DPTR FM NORMAL   -65    PTCLDY (SCALE 4-7)   4                                  
SEASONAL TOTAL  1539    CLOUDY (SCALE 8-10) 26                                  
DPTR FM NORMAL  -216                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL   614    HIGHEST SLP 30.42 ON 17                                 
DPTR FM NORMAL   224    LOWEST  SLP 29.33 ON 24                                 

[REMARKS]