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 011435
CF6FSD

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

                                          STATION:   SIOUX FALLS
                                          MONTH:     APRIL
                                          YEAR:      2007
                                          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  51  32  42   3  23   0 0.11  0.1    0 15.7 29 310 180   24   7 1      37 310
 2  50  30  40   0  25   0 0.02  0.0    0  8.4 23  90 220   29   5 1      31 170
 3  40  19  30 -10  35   0    T    T    0 21.7 32 320  36    5   9 1      40 320
 4  32  17  25 -16  40   0    T    T    0 18.7 26 330 420   54   8        33 320
 5  34  18  26 -15  39   0    T    T    0 12.6 21 350 744   96   4        31 350
 6  28  16  22 -20  43   0    T    T    0 20.8 32 350 236   30   6        39 340
 7  33  14  24 -18  41   0    T    T    0 15.6 25 320 782  100   1        38 340
 8  40  15  28 -15  37   0 0.00  0.0    0  8.1 15 340 732   93   0        20 330
 9  49  16  33 -10  32   0 0.00  0.0    0  8.5 17 170 708   90   5        22 160
10  37  33  35  -8  30   0 0.69  6.3    1 16.9 21 100   0    0  10 125    26 100
11  34  29  32 -12  33   0 0.13  1.6    5 13.7 21  40   0    0  10 12     25  30
12  39  26  33 -11  32   0 0.01  0.2    4  5.9 15 300 314   39   7 1      17 300
13  50  22  36  -9  29   0 0.00  0.0    2  2.2  9 350 250   31   4 1      12 350
14  58  25  42  -3  23   0 0.00  0.0    0  4.2 15 330 785   98   2 18     22 340
15  66  27  47   1  18   0 0.00  0.0    0  5.0 14 110 804  100   0        16 110
16  76  38  57  11   8   0 0.00  0.0    0  9.5 24  20 753   93   0        30  10
17  66  38  52   6  13   0 0.00  0.0    0 12.6 22  70 641   79   0        28  50
18  66  36  51   4  14   0 0.00  0.0    0 10.6 20  90 657   81   0        25  80
19  66  41  54   7  11   0    T  0.0    0 16.0 28 130 418   51   3        35 150
20  77  47  62  14   3   0 0.00  0.0    0 15.8 28 150 648   79   3        37 140
21  83  60  72  24   0   7 0.05  0.0    0 19.7 30 180 565   69   4 3      39 160
22  67  50  59  11   6   0 0.92  0.0    0 12.7 31 360  84   10   7 13     38 350
23  68  43  56   7   9   0 0.00  0.0    0  6.9 15  60 708   86   4        18  40
24  54  48  51   2  14   0    T  0.0    0 10.7 17  60  20    2   8        22  60
25  56  46  51   1  14   0 0.00  0.0    0  8.6 17  60   0    0   2        22  60
26  68  43  56   6   9   0 0.00  0.0    0  3.2 14  10 649   78   4        21  20
27  70  39  55   4  10   0 0.00  0.0    0  7.6 22 310 789   94   1        28 320
28  77  40  59   8   6   0 0.00  0.0    0  6.4 18 290 789   94   0        29 300
29  90  53  72  21   0   7 0.00  0.0    0  7.5 22  30 742   88   0 8      24  30
30  92  53  73  21   0   8 0.00  0.0    0 10.9 20  10 722   85   0        32 230
================================================================================
SM 1717 1014       597  22  1.93     8.2 336.7        14396    114
================================================================================
AV 57.2 33.8                              11.2 FASTST  PSBL  %   4    MAX(MPH)
                                 MISC ---->  # 32 320               # 40  320
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
- COLUMN 17 PEAK WIND IN M.P.H.
- PRECIPITATION AMOUNTS IN COLUMNS 7, 8, AND 9 ARE THE OFFICAL
  PRECIPITATION FOR SIOUX FALLS.
- 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:     2007
                                          LATITUDE:   43 34 N
                                          LONGITUDE:  96 44 W

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

AVERAGE MONTHLY: 45.5   TOTAL FOR MONTH:   1.93    1 = FOG OR MIST
DPTR FM NORMAL:  -0.2   DPTR FM NORMAL:   -0.72    2 = FOG REDUCING VISIBILITY
HIGHEST:    92 ON 30    GRTST 24HR  3.36 ON 31- 1      TO 1/4 MILE OR LESS
LOWEST:     14 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   8.2 INCHES  5 = HAIL
                        GRTST 24HR   6.3 ON 10     6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   5 ON 11     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:   2    0.01 INCH OR MORE:   7
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   4
MIN 32 OR BELOW:  14    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   597    CLEAR  (SCALE 0-3)  14
DPTR FM NORMAL    29    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  7124    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL  -388

[CDD (BASE 65) ]
TOTAL THIS MO.    22
DPTR FM NORMAL    17    [PRESSURE DATA]
TOTAL FM JAN 1    22    HIGHEST SLP 30.55 ON 5
DPTR FM NORMAL    17    LOWEST  SLP 29.33 ON 1

[REMARKS]

RECORD LOW DAILY MAXIMUM TEMPERATURE WAS ESTABLISHED ON THE 6TH.
RECORD DAILY MAXIMUM TEMPERATURE WAS ESTABLISHED ON THE 29TH.
RECORD DAILY MAXIMUM TEMPERATURE WAS ESTABLISHED ON THE 30TH.

#FINAL-04-07#