Explanation of the Preliminary Monthly Climate Data (F6) Product

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

WFO Monthly/Daily Climate Data

ZCZC FSDLCDAPR ALL
TTAA00 KFSD 051545
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
                                          STATION:   SIOUX FALLS
                                          MONTH:     APRIL
                                          YEAR:      2005
                                          LATITUDE:   43 34 N                   
                                          LONGITUDE:  96 44 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  55  29  42   3  23   0 0.00  0.0    0 10.5 25 340 724   95   2        32 330
 2  64  24  44   4  21   0 0.00  0.0    0  9.8 25 170 628   82   0        29 170
 3  77  30  54  14  11   0 0.00  0.0    0 10.9 21 120 714   92   0        25 110
 4  80  42  61  20   4   0 0.00  0.0    0 11.4 23 170 540   70   0        26 180
 5  79  49  64  23   1   0    T  0.0    0  7.5 23 330 478   61   4 18     26 360
 6  68  46  57  15   8   0 0.01  0.0    0 16.9 31  10 659   84   2 38     36  10
 7  68  33  51   9  14   0 0.00  0.0    0  5.6 14 150 783  100   0        16 160
 8  72  47  60  17   5   0 0.00  0.0    0 19.4 35 150 665   85   0        40 150
 9  78  54  66  23   0   1 0.00  0.0    0 17.1 30 180 612   78   4        36 180
10  65  49  57  14   8   0 1.25    T    0 12.2 26 310  82   10   9 1358   30 310
11  60  41  51   7  14   0 0.07  0.0    0 10.4 18 180  67    8  10 1      22 300
12  50  40  45   1  20   0 0.21  0.0    0 12.5 18 320   0    0  10 1      23 320
13  64  45  55  10  10   0    T  0.0    0 10.9 18  70 708   88   4 18     23  90
14  68  42  55  10  10   0 0.00  0.0    0 13.2 24 180 702   87   0        29 180
15  61  50  56  10   9   0 0.71  0.0    0  7.3 20 190  37    5  10 138    25 180
16  65  47  56  10   9   0 0.01  0.0    0  8.4 18  90 399   49   9 18     21  90
17  81  47  64  18   1   0    T  0.0    0 11.4 22 170 465   57   6 18     26 170
18  77  59  68  21   0   3 0.14  0.0    0 13.8 26 180 647   79   2 13     32 170
19  76  56  66  19   0   1 0.01  0.0    0  9.7 21  20 538   66   6 1      28  20
20  60  52  56   8   9   0 0.04  0.0    0 13.7 31  60  38    5   9 1      36  50
21  60  50  55   7  10   0 0.85  0.0    0 15.1 28  40   0    0  10 1      32  40
22  52  35  44  -4  21   0 0.00  0.0    0 18.3 32 340 562   68   6        39 340
23  55  29  42  -7  23   0 0.00  0.0    0 12.0 26 360 794   96   0        32 340
24  61  27  44  -5  21   0 0.00  0.0    0  4.6 14 290 800   96   0        18 290
25  60  38  49  -1  16   0 0.01  0.0    0 16.3 35 330 509   61   5        43 330
26  56  34  45  -5  20   0 0.02  0.0    0 17.1 29 320 445   53   8        36 330
27  57  30  44  -7  21   0 0.00  0.0    0 12.7 26 310 677   81   3        32 300
28  50  25  38 -13  27   0 0.00  0.0    0  8.6 20 310 690   82   2        24 300
29  52  29  41 -10  24   0 0.00  0.0    0 10.2 26 280 709   84   4        32 270
30  49  28  39 -13  26   0    T    T    0 12.8 28 300 279   33   7        33 300
================================================================================
SM 1920 1207       386   5  3.33    T    360.3        14951    132              
================================================================================
AV 64.0 40.2                              12.0 FASTST  PSBL  %   4    MAX(MPH)  
                                 MISC ---->  # 35 330                 43  330   
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
-COLUMN 17 PEAK WIND IN M.P.H.
-PRECIPITATION AMOUNTS IN COLUMNS 7, 8, AND 9 WERE SUBMITTED
 AS THE OFFICAL PRECIPITATION FOR SIOUX FALLS, SD.
-SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z).

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
                                          STATION:  SIOUX FALLS
                                          MONTH:    APRIL
                                          YEAR:     2005
                                          LATITUDE:   43 34 N                   
                                          LONGITUDE:  96 44 W                   
[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16    
AVERAGE MONTHLY: 52.1   TOTAL FOR MONTH:   3.33    1 = FOG                      
DPTR FM NORMAL:   6.4   DPTR FM NORMAL:    0.68    2 = FOG REDUCING VISIBILITY  
HIGHEST:    81 ON 17    GRTST 24HR  1.27 ON 10-11      TO 1/4 MILE OR LESS      
LOWEST:     24 ON  2                               3 = THUNDER                  
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS              
                        TOTAL MONTH:    T          5 = HAIL                     
                        GRTST 24HR    T  ON 30-30  6 = GLAZE OR RIME            
                        GRTST DEPTH:   0           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:   0    0.01 INCH OR MORE:  12                                  
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5                                  
MIN 32 OR BELOW:   9    0.50 INCH OR MORE:   3                                  
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1                                  
[HDD (BASE 65) ]                                                                
TOTAL THIS MO.   386    CLEAR  (SCALE 0-3)  13                                  
DPTR FM NORMAL  -182    PTCLDY (SCALE 4-7)   9                                  
SEASONAL TOTAL  6548    CLOUDY (SCALE 8-10)  8                                  
DPTR FM NORMAL  -964                                                            
[CDD (BASE 65) ]                                                                
TOTAL THIS MO.     5                                                            
DPTR FM NORMAL     0    [PRESSURE DATA]                                         
SEASONAL TOTAL     5    HIGHEST SLP 30.32 ON 23                                      
DPTR FM NORMAL     0    LOWEST  SLP 29.46 ON  5                                      
[REMARKS]
NEW RECORD HIGH MINIMUM TEMPERATURE 54 DEGREES ON THE 9TH.
(PREVIOUS RECORD 51 DEGREES IN 1934).