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

                                          STATION:   GRAND FORKS UNIV. (NWS) ND
                                          MONTH:     DECEMBER
                                          YEAR:      2013
                                          LATITUDE:   47 55 N                   
                                          LONGITUDE:  97  6 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  21  18  20   2  45   0 0.06  1.1    1   M   M   M   M    M   M         M  M 
 2  26  21  24   6  41   0 0.05  1.7    2   M   M   M   M    M   M         M  M 
 3  23  17  20   3  45   0 0.02  0.3    4   M   M   M   M    M   M         M  M 
 4  20   6  13  -4  52   0 0.24  7.3    5   M   M   M   M    M   M 189     M  M 
 5   6  -6   0 -16  65   0    T  0.1    8   M   M   M   M    M   M         M  M 
 6  -5 -18 -11 -27  76   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
 7  -8 -20 -14 -29  79   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
 8   0 -20 -10 -25  75   0 0.02  0.3    6   M   M   M   M    M   M         M  M 
 9  -3 -15  -9 -23  74   0 0.01  0.3    6   M   M   M   M    M   M         M  M 
10   3 -13  -5 -19  70   0    T  0.1    6   M   M   M   M    M   M         M  M 
11  -2 -18 -10 -24  75   0    T  0.2    6   M   M   M   M    M   M         M  M 
12   8  -9   0 -13  65   0    T  0.2    7   M   M   M   M    M   M         M  M 
13  -4  -8  -6 -19  71   0 0.01  1.1    8   M   M   M   M    M   M         M  M 
14  -2 -15  -8 -20  73   0 0.03  1.4    9   M   M   M   M    M   M         M  M 
15   0 -18  -9 -21  74   0    T  0.2   10   M   M   M   M    M   M         M  M 
16  31   0  16   4  49   0 0.10  3.1   10   M   M   M   M    M   M 18      M  M 
17  27   2  15   4  50   0    T    T    9   M   M   M   M    M   M 9       M  M 
18  23  -2  11   0  54   0    T    T    9   M   M   M   M    M   M         M  M 
19  -2  -9  -5 -16  70   0 0.01  0.3    8   M   M   M   M    M   M         M  M 
20   3 -10  -3 -13  68   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
21   1 -12  -5 -15  70   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
22  -6 -15 -10 -20  75   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
23  -7 -20 -13 -23  78   0 0.00  0.0    8   M   M   M   M    M   M         M  M 
24  19 -17   1  -8  64   0 0.09  3.2    8   M   M   M   M    M   M         M  M 
25  20  12  16   7  49   0 0.02  0.9   10   M   M   M   M    M   M         M  M 
26  23   6  15   6  50   0    T  0.2   10   M   M   M   M    M   M 1       M  M 
27  39  23  31  22  34   0    T  0.0   10   M   M   M   M    M   M         M  M 
28  28 -15   7  -1  58   0 0.02  0.6    9   M   M   M   M    M   M 16      M  M 
29  -6 -19 -12 -20  77   0 0.00  0.0    9   M   M   M   M    M   M         M  M 
30  -7 -20 -13 -21  78   0 0.01  0.2    9   M   M   M   M    M   M         M  M 
31 -14 -24 -19 -27  84   0 0.00  0.0    9   M   M   M   M    M   M         M  M 
================================================================================
SM  255 -218      1988   0  0.69    22.8     M          M        M              
================================================================================
AV  8.2 -7.0                                 M FASTST   M    M   6    MAX(MPH)  
                                 MISC ---->     M   M                  M    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 UNIV. (NWS) ND
                                          MONTH:    DECEMBER
                                          YEAR:     2013
                                          LATITUDE:   47 55 N                   
                                          LONGITUDE:  97  6 W                   

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

AVERAGE MONTHLY:  0.6   TOTAL FOR MONTH:   0.69    1 = FOG OR MIST              
DPTR FM NORMAL: -11.6   DPTR FM NORMAL:    0.04    2 = FOG REDUCING VISIBILITY  
HIGHEST:    39 ON 27    GRTST 24HR  0.24 ON  4- 4      TO 1/4 MILE OR LESS      
LOWEST:    -24 ON 31                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:  22.8 INCHES  5 = HAIL                     
                        GRTST 24HR   7.3 ON   M    6 = FREEZING RAIN OR DRIZZLE 
                        GRTST DEPTH:  10 ON 27,26  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:  30    0.01 INCH OR MORE:  14                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   2                                  
MIN 32 OR BELOW:  31    0.50 INCH OR MORE:   0                                  
MIN  0 OR BELOW:  23    1.00 INCH OR MORE:   0                                  

[HDD (BASE 65) ]                                                                
TOTAL THIS MO.  1988    CLEAR  (SCALE 0-3)   0                                  
DPTR FM NORMAL   351    PTCLDY (SCALE 4-7)   0                                  
TOTAL FM JUL 1  4039    CLOUDY (SCALE 8-10)  0                                  
DPTR FM NORMAL   308                                                            

[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     0                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
TOTAL FM JAN 1   528    HIGHEST SLP M ON M                                      
DPTR FM NORMAL    65    LOWEST  SLP M ON M                                      

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