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

                                          STATION:   GRAND FORKS INTL AP ND
                                          MONTH:     MAY
                                          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  40  28  34 -15  31   0 0.00  0.0    0 12.1 21 310   M    M   6        25 330
 2  37  26  32 -18  33   0 0.00  0.0    0  7.5 16 330   M    M   7        21 330
 3  50  24  37 -13  28   0 0.00  0.0    0  6.3 17 360   M    M   2 1      22  10
 4  54  29  42  -9  23   0 0.00  0.0    0  9.7 18  30   M    M   7        23  20
 5  62  37  50  -1  15   0 0.00  0.0    0  6.3 15  50   M    M   6        20  30
 6  72  34  53   2  12   0 0.00  0.0    0  5.1 10 180   M    M   1 12     15 130
 7  76  44  60   8   5   0 0.00  0.0    0  7.8 20 210   M    M   2        29 180
 8  65  42  54   2  11   0 0.00  0.0    0 18.2 29 350   M    M   4        35 350
 9  63  33  48  -4  17   0 0.00  0.0    0 13.4 23  40   M    M   0        28  50
10  68  29  49  -4  16   0 0.00  0.0    0 15.7 38 340   M    M   3        47 350
11  50  28  39 -14  26   0 0.00  0.0    0 18.4 35 340   M    M   3        40 350
12  63  25  44 -10  21   0 0.00  0.0    0  5.2 16 140   M    M   3        18 140
13  90  48  69  15   0   4    T    M    0 16.1 33 180   M    M   5 8      38 300
14  77  47  62   8   3   0 0.19  0.0    0 16.1 40 300   M    M   3 138    48 310
15  79  42  61   7   4   0 0.00  0.0    0  9.1 18 290   M    M   4        28 320
16  75  42  59   4   6   0 0.31  0.0    0  7.6 25 220   M    M   7 1      31 220
17  74  53  64   9   1   0    T  0.0    0 10.8 22 120   M    M   9        26 140
18  69  54  62   6   3   0 0.04  0.0    0  9.2 20  10   M    M  10 1      25  10
19  62  53  58   2   7   0 1.35  0.0    0 18.9 29  80   M    M  10 1      38  70
20  55  50  53  -3  12   0 1.42  0.0    0 20.2 30  50   M    M   9 1      38  50
21  52  44  48  -8  17   0 0.29  0.0    0 16.9 28  50   M    M  10 1      35  60
22  73  41  57   0   8   0 0.00  0.0    0 14.1 25  50   M    M   3        31  40
23  66  43  55  -2  10   0 0.00  0.0    0  8.3 15  40   M    M   1        21  60
24  69  40  55  -3  10   0 0.06  0.0    0 13.4 24 130   M    M   7 13     35 150
25  73  52  63   5   2   0 0.00  0.0    0 14.9 22 140   M    M   9        30 140
26  63  55  59   1   6   0    T  0.0    0 13.7 25 140   M    M  10        31 150
27  69  53  61   3   4   0 0.01  0.0    0  8.7 18 150   M    M  10        25 190
28  74  56  65   6   0   0    T  0.0    0 10.8 20 160   M    M   8        25 180
29  76  55  66   7   0   1 0.00  0.0    0  5.2 18 150   M    M   8        22 140
30  77  60  69  10   0   4 0.39  0.0    0 13.9 22 100   M    M  10 18     30 160
31  69  50  60   0   5   0 0.73  0.0    0 11.6 26  10   M    M   8 1      35  20
================================================================================
SM 2042 1317       336   9  4.79     0.0 365.2          M      185              
================================================================================
AV 65.9 42.5                              11.8 FASTST   M    M   6    MAX(MPH)  
                                 MISC ---->  # 40 300               # 48  310   
================================================================================
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:    MAY
                                          YEAR:     2013
                                          LATITUDE:   47 57 N                   
                                          LONGITUDE:  97 11 W                   

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

AVERAGE MONTHLY: 54.2   TOTAL FOR MONTH:   4.79    1 = FOG OR MIST              
DPTR FM NORMAL:  -0.6   DPTR FM NORMAL:    2.11    2 = FOG REDUCING VISIBILITY  
HIGHEST:    90 ON 13    GRTST 24HR  1.47 ON 19-20      TO 1/4 MILE OR LESS      
LOWEST:     24 ON  3                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:   0.0 INCH    5 = HAIL                     
                        GRTST 24HR     0.0         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:  10                                  
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   7                                  
MIN 32 OR BELOW:   7    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   336    CLEAR  (SCALE 0-3)  10                                  
DPTR FM NORMAL     2    PTCLDY (SCALE 4-7)  11                                  
TOTAL FM JUL 1  9888    CLOUDY (SCALE 8-10) 10                                  
DPTR FM NORMAL   476                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     9                                                            
DPTR FM NORMAL    -7    [PRESSURE DATA]                                         
TOTAL FM JAN 1     9    HIGHEST SLP M ON M                                      
DPTR FM NORMAL    -8    LOWEST  SLP 29.32 ON 31                                 

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