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

                                          STATION:   GRAND FORKS INTL AP ND
                                          MONTH:     OCTOBER
                                          YEAR:      2013
                                          LATITUDE:   47 57 N                   
                                          LONGITUDE:  97 11 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
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  69  45  57   7   8   0    T  0.0    0 13.3 28 270   M    M   1        39 280
 2  57  37  47  -3  18   0 0.09  0.0    0  3.4 13 190   M    M   7 12     15 190
 3  56  35  46  -3  19   0 0.00  0.0    0  8.1 18 360   M    M   8 12     22 350
 4  45  40  43  -6  22   0    T  0.0    0 20.9 29  20   M    M   8        37  20
 5  47  40  44  -4  21   0 0.68  0.0    0 17.4 35  20   M    M  10 1      41  20
 6  66  34  50   2  15   0 0.00  0.0    0  8.1 21 330   M    M   4        25 340
 7  63  34  49   2  16   0 0.00  0.0    0  6.3 13 160   M    M   2        16 180
 8  72  43  58  11   7   0 0.00  0.0    0  6.3 16 190   M    M   4        18 190
 9  68  38  53   7  12   0 0.00  0.0    0  4.4 10 330   M    M   5        15 310
10  71  44  58  12   7   0 0.00  0.0    0  6.5 16 140   M    M   5        18 130
11  69  53  61  15   4   0 0.37  0.0    0 17.7 32 130   M    M   7 13     39 130
12  56  36  46   1  19   0 0.16  0.0    0 12.7 28 310   M    M   7 1      32 310
13  58  33  46   1  19   0    T  0.0    0  3.9 10 280   M    M   4        13 280
14  49  42  46   2  19   0 0.67  0.0    0  9.8 22  80   M    M  10 1      28  80
15  47  32  40  -4  25   0 0.30  0.0    0 15.0 26 350   M    M   7 1      32 350
16  62  30  46   3  19   0 0.00  0.0    0  7.5 17 270   M    M   3        22 280
17  50  30  40  -3  25   0    T  0.0    0 12.5 23 350   M    M   7        28 350
18  50  27  39  -3  26   0 0.02  0.0    0  7.5 21 310   M    M   6        25 300
19  42  33  38  -4  27   0 0.02    T    0  7.3 17 320   M    M   9        21 330
20  40  31  36  -5  29   0 0.17    T    0 11.4 25 350   M    M  10 1      32 360
21  38  26  32  -9  33   0 0.00  0.0    0 10.0 20 340   M    M   9        25 330
22  39  31  35  -5  30   0    T    T    0  7.5 16 350   M    M  10        20 340
23  38  27  33  -7  32   0    T    T    0  6.8 16 330   M    M  10        22 310
24  45  29  37  -2  28   0 0.00  0.0    0  7.9 16 310   M    M   8        20 310
25  60  27  44   5  21   0 0.00  0.0    0 15.5 31 300   M    M   5        40 310
26  43  30  37  -1  28   0 0.00  0.0    0 10.4 21 350   M    M   5        25  10
27  46  24  35  -3  30   0 0.00  0.0    0 15.3 29  20   M    M   6        35  10
28  34  16  25 -12  40   0 0.00  0.0    0  9.0 15  20   M    M   4        22  20
29  38  16  27 -10  38   0 0.00  0.0    0  2.9  7 190   M    M   6         8 190
30  40  33  37   1  28   0 0.00  0.0    0  4.4  9 190   M    M  10        12 190
31  52  29  41   5  24   0 0.00  0.0    0  4.7 15 320   M    M   9        18 320
================================================================================
SM 1610 1025       689   0  2.48    T    294.4          M      206              
================================================================================
AV 51.9 33.1                               9.5 FASTST   M    M   7    MAX(MPH)  
                                 MISC ---->  # 35  20               # 41   20   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  GRAND FORKS INTL AP ND
                                          MONTH:    OCTOBER
                                          YEAR:     2013
                                          LATITUDE:   47 57 N                   
                                          LONGITUDE:  97 11 W                   

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

AVERAGE MONTHLY: 42.5   TOTAL FOR MONTH:   2.48    1 = FOG OR MIST              
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:    0.51    2 = FOG REDUCING VISIBILITY  
HIGHEST:    72 ON  8    GRTST 24HR  0.90 ON 14-15      TO 1/4 MILE OR LESS      
LOWEST:     16 ON 29,28                            3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:    T          5 = HAIL                     
                        GRTST 24HR    T  ON 23-23  6 = FREEZING RAIN OR DRIZZLE 
                        GRTST DEPTH:   0           7 = DUSTSTORM OR SANDSTORM:  
                                                       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:   9                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   6                                  
MIN 32 OR BELOW:  15    0.50 INCH OR MORE:   2                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   689    CLEAR  (SCALE 0-3)   3                                  
DPTR FM NORMAL     9    PTCLDY (SCALE 4-7)  17                                  
TOTAL FM JUL 1   903    CLOUDY (SCALE 8-10) 11                                  
DPTR FM NORMAL  -128                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL    -1    [PRESSURE DATA]                                         
TOTAL FM JAN 1   487    HIGHEST SLP M ON M                                      
DPTR FM NORMAL   108    LOWEST  SLP 29.23 ON 11                                 

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