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

                                          STATION:   DETROIT
                                          MONTH:     APRIL
                                          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  73  39  56  13   9   0    T  0.0    0 12.3 21 270   M    M   7 18     26 250
 2  72  42  57  14   8   0    T  0.0    0  7.7 17  30   M    M   5 128    21  30
 3  44  34  39  -4  26   0    T  0.0    0 10.0 16  70   M    M  10 1      21 100
 4  36  31  34 -10  31   0 1.06  0.0    0 10.2 20  80   M    M  10 136    25  80
 5  34  28  31 -13  34   0    T  0.1    0 11.2 24 290   M    M  10 16     30 280
 6  36  23  30 -14  35   0 0.00  0.0    0  9.9 20  60   M    M   8        24  70
 7  31  28  30 -15  35   0 0.22  4.9    5 15.8 26  70   M    M  10 1269   35  70
 8  33  30  32 -13  33   0    T    T    5 10.3 16  20   M    M  10 16     20  20
 9  47  26  37  -9  28   0 0.00  0.0    4  9.3 18  20   M    M   3 1      22  20
10  58  29  44  -2  21   0 0.00  0.0    0  5.9 15  60   M    M   1        18  60
11  70  35  53   7  12   0 0.00  0.0    0  4.7 14  30   M    M   2        16  30
12  58  38  48   1  17   0 0.00  0.0    0 11.1 22  20   M    M   2        26  10
13  58  30  44  -3  21   0 0.00  0.0    0  5.3 12 140   M    M   2        16 170
14  77  37  57  10   8   0 0.00  0.0    0 11.5 24 210   M    M   3        29 230
15  85  57  71  23   0   6 0.00  0.0    0 19.1 35 230   M    M   3        41 230
16  68  39  54   6  11   0 0.00  0.0    0 11.5 23  40   M    M   7        28  60
17  51  36  44  -5  21   0 0.02  0.0    0 13.4 24  70   M    M   9        30  60
18  60  45  53   4  12   0    T  0.0    0  6.4 15 140   M    M  10 18     20 140
19  70  49  60  11   5   0 0.00  0.0    0  8.4 17 140   M    M   7 1      21 130
20  78  55  67  17   0   2 0.18  0.0    0 10.4 32 250   M    M   7 13     38 250
21  61  43  52   2  13   0 0.03  0.0    0 13.6 28 240   M    M   9 1      32 240
22  45  37  41 -10  24   0    T  0.0    0 11.3 18 320   M    M   8        23 320
23  58  31  45  -6  20   0 0.00  0.0    0  7.2 15 360   M    M   0        21 340
24  61  36  49  -2  16   0 0.00  0.0    0  4.7 13 180   M    M   6 8      15 180
25  64  40  52   0  13   0 0.00  0.0    0  5.7 16  40   M    M   7        18  30
26  62  39  51  -1  14   0 0.00  0.0    0  8.8 17 340   M    M   0        23  10
27  73  37  55   2  10   0 0.00  0.0    0  6.9 22 220   M    M   0 18     26 240
28  80  49  65  12   0   0 0.00  0.0    0 12.7 23 230   M    M   5        28 230
29  64  42  53   0  12   0    T  0.0    0  6.7 18  40   M    M   5        22  40
30  60  50  55   1  10   0 0.56  0.0    0  8.1 20 160   M    M   9 13     25 180
================================================================================
SM 1767 1135       499   8  2.07     5.0 290.1          M      175              
================================================================================
AV 58.9 37.8                               9.7 FASTST  PSBL  %   6    MAX(MPH)  
                                 MISC ---->    35 230                 41  230   
================================================================================
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:    APRIL
                                          YEAR:     2003
                                          LATITUDE:   42 13 N                   
                                          LONGITUDE:  83 20 W                   

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

AVERAGE MONTHLY: 48.4   TOTAL FOR MONTH:   2.07    1 = FOG                      
DPTR FM NORMAL:   0.3   DPTR FM NORMAL:   -0.98    2 = FOG REDUCING VISIBILITY  
HIGHEST:    85 ON 15    GRTST 24HR  1.06 ON  4- 4      TO 1/4 MILE OR LESS      
LOWEST:     23 ON  6                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   5.0 INCHES  5 = HAIL                     
                        GRTST 24HR   4.9 ON  7- 7  6 = GLAZE OR RIME            
                        GRTST DEPTH:   5 ON  8, 7  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:   1    0.01 INCH OR MORE:   6                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   4                                  
MIN 32 OR BELOW:   9    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   499    CLEAR  (SCALE 0-3)  10                                  
DPTR FM NORMAL   -28    PTCLDY (SCALE 4-7)   9                                  
SEASONAL TOTAL  6347    CLOUDY (SCALE 8-10) 11                                  
DPTR FM NORMAL   190                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     8                                                            
DPTR FM NORMAL     2    [PRESSURE DATA]                                         
SEASONAL TOTAL     8    HIGHEST SLP 30.50 ON  6                                 
DPTR FM NORMAL     2    LOWEST  SLP 29.58 ON  5                                 

[REMARKS]


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