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

                                          STATION:   DETROIT
                                          MONTH:     JANUARY
                                          YEAR:      2003
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 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  34  28  31   5  34   0 0.00  0.0    0 14.3 25  10   M    M  10        28  10
 2  29  20  25  -1  40   0 0.11  5.3    0 12.1 16  30   M    M   9 12     22  30
 3  27  22  25   0  40   0 0.01  0.5    6  9.6 14 300   M    M  10 1      17 300
 4  29  26  28   3  37   0 0.00  0.0    M  6.7 14 240   M    M  10        16 260
 5  32  26  29   4  36   0 0.02  0.8    5  3.3  6 120   M    M  10 1       M  M 
 6  29  15  22  -3  43   0 0.05  0.6    5 10.2 24 330   M    M   7 18     31 360
 7  34  12  23  -2  42   0 0.00  0.0    M 13.8 21 240   M    M   6        28 230
 8  46  33  40  15  25   0 0.00  0.0    3 12.4 26 220   M    M   5        30 220
 9  45  29  37  12  28   0    T    T    T 15.3 24 320   M    M   5        31 250
10  29  18  24  -1  41   0 0.06  0.7    M 15.0 26 300   M    M   8 128    33 300
11  23  17  20  -5  45   0    T  0.5    T 14.1 22 300   M    M   9 18     28 290
12  26  16  21  -3  44   0 0.00  0.0    M 13.8 23 220   M    M   6        29 220
13  28  18  23  -1  42   0    T    T    M 15.6 25 220   M    M   7        31 320
14  27  15  21  -3  44   0    T  0.1    M  8.5 21 280   M    M   8        25 280
15  23  13  18  -6  47   0    T  0.1    M 12.0 22 290   M    M   9        26 270
16  24  10  17  -7  48   0 0.00  0.0    M  8.7 16 230   M    M   6        18 250
17  19   5  12 -12  53   0 0.00  0.0    M 10.1 18 350   M    M   1        23 340
18  20   5  13 -11  52   0    T  0.2    M 15.5 28 210   M    M   4 1      31 230
19  23  12  18  -6  47   0    T  0.6    M 17.6 30 220   M    M   9 1      36 220
20  22  10  16  -8  49   0    T  0.1    1 10.5 24 310   M    M   5 1      30 300
21  19   8  14 -10  51   0 0.00  0.0    M  8.4 15 300   M    M   2        18 290
22  17   8  13 -11  52   0    T    T    M  8.8 13 320   M    M   5        18 320
23  19   1  10 -14  55   0    T  0.2    M 13.7 25 330   M    M   7 1      30 320
24  22  15  19  -5  46   0    T  0.3    M 10.9 18 240   M    M  10 1      22 240
25  26  14  20  -4  45   0    T  0.7    M 16.2 23 220   M    M  10 1      28 220
26  25   3  14 -10  51   0    T  0.4    M 11.5 20 310   M    M   7 1      25 320
27  15  -2   7 -17  58   0    T  0.3    T  9.2 18 190   M    M   4 1      22 190
28  31  12  22  -2  43   0 0.14  2.2    T  8.4 13 190   M    M   8 1       M  M 
29  29   9  19  -5  46   0    T    T    2  7.5 16 350   M    M   5 18     21 340
30  29   7  18  -7  47   0 0.00  0.0    1  5.8 15 200   M    M   4 1      16 210
31  34  13  24  -1  41   0 0.03  0.3    T  6.7 12 170   M    M   8 1      15 150
================================================================================
SM  835  438      1372   0  0.42    13.9 346.2          M      214              
================================================================================
AV 26.9 14.1                              11.2 FASTST  PSBL  %   7    MAX(MPH)  
                                 MISC ---->    30 220                 36  220   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  DETROIT
                                          MONTH:    JANUARY
                                          YEAR:     2003
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 20.5   TOTAL FOR MONTH:   0.42    1 = FOG                      
DPTR FM NORMAL:  -4.0   DPTR FM NORMAL:   -1.49    2 = FOG REDUCING VISIBILITY  
HIGHEST:    46 ON  8    GRTST 24HR  0.14 ON 28-28      TO 1/4 MILE OR LESS      
LOWEST:     -2 ON 27                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:  13.9 INCHES  5 = HAIL                     
                        GRTST 24HR   5.3 ON  2- 2  6 = GLAZE OR RIME            
                        GRTST DEPTH:   6 ON  3     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:  26    0.01 INCH OR MORE:   7                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2                                  
MIN 32 OR BELOW:  30    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:   1    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.  1372    CLEAR  (SCALE 0-3)   2                                  
DPTR FM NORMAL   102    PTCLDY (SCALE 4-7)  15                                  
SEASONAL TOTAL  3776    CLOUDY (SCALE 8-10) 14                                  
DPTR FM NORMAL   106                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL     0    HIGHEST SLP 30.57 ON 27                                 
DPTR FM NORMAL     0    LOWEST  SLP 29.16 ON  8                                 

[REMARKS]


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