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

                                          STATION:   GRAND FORKS INTL AP ND
                                          MONTH:     MARCH
                                          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  25   4  15  -3  50   0 0.00  0.0    5  4.5  9 330   M    M   4 8      12 320
 2  24   3  14  -4  51   0    T    T    5 12.2 23 160   M    M   7 1      28 180
 3  31  13  22   4  43   0 0.01  0.1    5 12.7 22 130   M    M  10        25 150
 4  27  24  26   7  39   0 0.34  8.3    6 16.2 24 120   M    M  10 12     31 120
 5  25  18  22   3  43   0 0.04  0.9   11 14.4 23 350   M    M   9 1      26 350
 6  25   1  13  -7  52   0    T  0.2   10  4.5 10 330   M    M   8 1      13 340
 7  27  -5  11  -9  54   0 0.00  0.0   10  9.3 23 150   M    M   6 12     26 140
 8  32  18  25   4  40   0 0.00  0.0   10  7.7 15 190   M    M   9 1      17 190
 9  29  22  26   5  39   0    T    T    8 14.4 26 340   M    M  10 1      33 340
10  23  -1  11 -11  54   0    T    T    8 15.5 25 340   M    M   6 1      32 340
11  22   1  12 -10  53   0    T    T    8  3.5 10 340   M    M   8 1      12 340
12  22   0  11 -12  54   0 0.02  0.2    8 13.8 26 340   M    M   6 1      32 320
13  21 -11   5 -18  60   0 0.12  1.1    8 10.0 21 150   M    M   4 1      25 160
14  28   6  17  -7  48   0 0.01  0.3    9  8.4 22 350   M    M   8 12     25 350
15  20  -1  10 -14  55   0 0.10  2.2    9 16.1 22 360   M    M  10 128    25  10
16  10 -18  -4 -29  69   0 0.00  0.0   10  9.3 18 360   M    M   4 1      21 360
17  20 -23  -1 -27  66   0 0.19    M   10 14.1 25 150   M    M   8 19     30 150
18  23   3  13 -13  52   0 0.14    M   12 19.1 33 330   M    M   7 19     43 320
19  15  -7   4 -23  61   0 0.00  0.0   14 12.6 17 300   M    M   2        21 320
20  15  -7   4 -23  61   0 0.00  0.0   13 11.5 20 330   M    M   0        22 330
21  16 -13   2 -26  63   0 0.00  0.0   13  4.9  8 330   M    M   0         8 330
22  19 -10   5 -23  60   0 0.00  0.0   12  5.0  9 280   M    M   3 8       9 280
23  26   5  16 -13  49   0 0.00  0.0   12  6.2 10 280   M    M   6        12 280
24  25  19  22  -7  43   0 0.01  0.3   11 13.2 22 350   M    M  10 1      25 340
25  26   5  16 -14  49   0    T    T   10 13.4 20 340   M    M   6        23 340
26  28  -2  13 -17  52   0 0.00  0.0   10  2.5  9 280   M    M   1 1      10 280
27  30  -3  14 -17  51   0 0.00  0.0   10  1.5  7  70   M    M   5 128     8  70
28  37   6  22 -10  43   0 0.00  0.0    9  4.4 12 160   M    M   4 128    17 140
29  31  21  26  -6  39   0 0.00  0.0    9  2.3  9 240   M    M  10 12     12 240
30  39  26  33   0  32   0 0.00  0.0    8  6.2 14 330   M    M   6 12     16 290
31  32  15  24  -9  41   0    T    T    7 18.5 31 350   M    M   5        37 360
================================================================================
SM  773  109      1566   0  0.98    13.6 307.9          M      192              
================================================================================
AV 24.9  3.5                               9.9 FASTST   M    M   6    MAX(MPH)  
                                 MISC ---->    33   M                 43    M   
================================================================================
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:    MARCH
                                          YEAR:     2013
                                          LATITUDE:   47 57 N                   
                                          LONGITUDE:  97 11 W                   

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

AVERAGE MONTHLY: 14.2   TOTAL FOR MONTH:   0.98    1 = FOG OR MIST              
DPTR FM NORMAL: -11.0   DPTR FM NORMAL:    0.02    2 = FOG REDUCING VISIBILITY  
HIGHEST:    39 ON 30    GRTST 24HR  0.34 ON  4- 4      TO 1/4 MILE OR LESS      
LOWEST:    -23 ON 17                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:  13.6 INCHES  5 = HAIL                     
                        GRTST 24HR   8.3 ON   M    6 = FREEZING RAIN OR DRIZZLE 
                        GRTST DEPTH:  14 ON 19     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:  29    0.01 INCH OR MORE:  10                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:  13    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.  1566    CLEAR  (SCALE 0-3)   4                                  
DPTR FM NORMAL   331    PTCLDY (SCALE 4-7)  17                                  
TOTAL FM JUL 1  8567    CLOUDY (SCALE 8-10) 10                                  
DPTR FM NORMAL   182                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
TOTAL FM JAN 1     0    HIGHEST SLP M ON M                                      
DPTR FM NORMAL     0    LOWEST  SLP 29.61 ON 17                                 

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