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


000
CXUS55 KFSD 211241
CF6FSD

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

                                          STATION:   SIOUX FALLS SD
                                          MONTH:     MAY
                                          YEAR:      2009
                                          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
                                     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  60  41  51  -1  14   0 0.00  0.0    0 10.9 23 320 610   72   2        29 320
 2  66  35  51  -2  14   0 0.00  0.0    0  8.0 20 310 835   98   1        33 280
 3  69  36  53   0  12   0 0.00  0.0    0  5.0 20 330 616   72   1        28 310
 4  70  40  55   2  10   0 0.65  0.0    0  5.0  M   M 255   30   4 138    33 280
 5  72  48  60   6   5   0    T  0.0    0  7.0 17 200 522   61   2 13     22 190
 6  76  51  64  10   1   0 0.00  0.0    0  8.9 22 310 435   50   4 1      30 320
 7  72  50  61   6   4   0 0.03  0.0    0  4.3 16 260 305   35   4 1      22 310
 8  57  43  50  -5  15   0 0.50  0.0    0  8.8 26 360  31    4   7 1      31 360
 9  63  37  50  -5  15   0    T  0.0    0  9.1 22 320 669   77   4        28 310
10  60  35  48  -8  17   0 0.00  0.0    0  4.6 15 330 716   82   2        21 320
11  71  37  54  -2  11   0 0.00  0.0    0  9.4 21 180 833   95   2        26 170
12  67  55  61   5   4   0    T  0.0    0 20.2 33 170  15    2   8 1      41 170
13  70  44  57   0   8   0 0.03  0.0    0 16.5 32 310 663   75   4 1      44 280
14  65  42  54  -3  11   0 0.00  0.0    0 12.1 29 320 684   78   4        35 310
15  73  46  60   2   5   0    T  0.0    0 17.5 33 330 715   81   4        43 330
16  60  36  48 -10  17   0 0.00  0.0    0  9.5 28 360 764   86   1        32 350
17  65  40  53  -5  12   0    T  0.0    0 12.7 26 140 228   26   6        36 120
18  87  45  66   7   0   1 0.00  0.0    0  7.4 13 180 803   90   0        16 190
19  95  63  79  20   0  14 0.00  0.0    0 17.0 33 190 892  100   0        43 200
20  90  61  76  17   0  11    T  0.0    0 18.3 33 190 743   83   1 3      46 200
21  62  52  57  -3   8   0 0.07  0.0    0  7.7 22  30  27    3   7        31  30
22  68  54  61   1   4   0 0.08  0.0    0  6.5 16 130 226   25   7 1       M  M
23  71  49  60   0   5   0 0.01  0.0    0  8.1 17  50 425   47   4        23  40
24  74  45  60  -1   5   0 0.00  0.0    0  6.9 15 140 574   64   4        20 140
25  83  60  72  11   0   7 0.00  0.0    0 13.4 24 150 655   73   6        32 150
26  67  50  59  -2   6   0 0.00  0.0    0 14.2 23 350   0    0  10 18     28 350
27  58  44  51 -11  14   0 0.02  0.0    0  7.8 16 360   0    0   9 1      22 360
28  81  38  60  -2   5   0 0.00  0.0    0  4.2 17 330 705   78   3 12     22 330
29  79  50  65   3   0   0 0.00  0.0    0  4.2 12 280 660   73   2        15 290
30  74  50  62  -1   3   0 0.00  0.0    0  7.5 20  40 910  100   0        29  10
31  87  47  67   4   0   2 0.04  0.0    0 11.4 25 200 493   54   3 3      33 180
================================================================================
SM 2212 1424       225  35  1.43     0.0 304.1        16009    116
================================================================================
AV 71.4 45.9                               9.8 FASTST  516  59   4    MAX(MPH)
                                 MISC ---->  # 33 170               # 46  200
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
- PRECIPITATION IN COLUMNS 7, 8, AND 9 WERE SUBMITTED FOR
  CONSIDERATION AS THE OFFICAL PRECIPITATION FOR
  SIOUX FALLS, SOUTH DAKOTA.
- SNOW DEPTH IN COLUMN 9 IS RECORDED AT 6 AM CST (12Z).
- COLUMN 17 PEAK WIND IN M.P.H.


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

                                          STATION:  SIOUX FALLS SD
                                          MONTH:    MAY
                                          YEAR:     2009
                                          LATITUDE:   43 34 N
                                          LONGITUDE:  96 44 W

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

AVERAGE MONTHLY: 58.6   TOTAL FOR MONTH:   1.43    1 = FOG OR MIST
DPTR FM NORMAL:   0.8   DPTR FM NORMAL:   -1.96    2 = FOG REDUCING VISIBILITY
HIGHEST:    95 ON 19    GRTST 24HR  0.65 ON  4- 4      TO 1/4 MILE OR LESS
LOWEST:     35 ON 10, 2                            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:   9
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   2
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   225    CLEAR  (SCALE 0-3)  13
DPTR FM NORMAL   -17    PTCLDY (SCALE 4-7)  15
TOTAL FM JUL 1  7544    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -210

[CDD (BASE 65) ]
TOTAL THIS MO.    35
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1    44    HIGHEST SLP 30.41 ON 16
DPTR FM NORMAL     4    LOWEST  SLP 29.46 ON 12

[REMARKS]
#FINAL-05-09#