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 030338
CF6FSD

                                          STATION:   SIOUX FALLS
                                          MONTH:     APRIL
                                          YEAR:      2008
                                          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  37  25  31  -8  34   0 0.04  0.8    4  8.6 16 330 667   87   4 1      20 330
 2  46  25  36  -4  29   0 0.02  0.2    2 10.9 23 190 382   50   5 1      28 200
 3  54  33  44   4  21   0    T  0.0    0  3.6  9 150 137   18   7 1      12 160
 4  64  31  48   7  17   0 0.00  0.0    0    M 20 250 718   93   1 1      28 250
 5  69  31  50   9  15   0 0.00  0.0    0 14.8 32 170 370   48   0        39 170
 6  50  30  40  -2  25   0 0.03    T    0 14.1 29 310  35    4   7 18     36 320
 7  51  26  39  -3  26   0    T    T    0 12.2 28 320 586   75   2        37 320
 8  54  24  39  -4  26   0 0.00  0.0    0  5.0 13  30 364   46   2 1      18  40
 9  50  21  36  -7  29   0 0.00  0.0    0  9.1 24 110 270   34   3 128     M  M
10  39  33  36  -7  29   0 0.62  2.7    0 25.0 33  50   0    0  10 1248   39  50
11  34  32  33 -11  32   0 0.01  0.1    2 22.8 26 350   0    0  10 12468  32 340
12  37  28  33 -11  32   0 0.01  0.3    1 16.1 26 350 217   27   8        32 350
13  46  23  35 -10  30   0 0.00  0.0    0  7.7 18 360 802  100   1        24 350
14  58  19  39  -6  26   0 0.00  0.0    0 12.7 28 180 804  100   0        36 180
15  77  41  59  13   6   0 0.00  0.0    0 25.7 38 190 767   95   0 8      51 190
16  63  37  50   4  15   0 0.00  0.0    0 13.9 31 180 243   30   1        38 170
17  53  35  44  -2  21   0 0.00  0.0    0  4.6 15  70  41    5   4        21  60
18  57  33  45  -2  20   0 0.00  0.0    0 11.1 26  50 230   28   7        32  30
19  67  31  49   2  16   0 0.00  0.0    0  8.0 16 110 818  100   1        21 110
20  70  45  58  10   7   0 0.00  0.0    0 18.0 33 140 419   51   5 128    44 140
21  58  37  48   0  17   0    T  0.0    0 14.7 24 330 399   48   5        29 320
22  67  30  49   1  16   0 0.00  0.0    0  6.8 18 280 826  100   1        24 270
23  78  45  62  13   3   0 0.00  0.0    0 14.1 32 150 777   94   1        45 170
24  65  41  53   4  12   0 1.12  0.0    0  9.6 22  10   0    0   7 13     29  30
25  41  30  36 -14  29   0 0.83  3.5    T 19.3 30 300   0    0  10 12469  37 310
26  46  26  36 -14  29   0 0.00  0.0    2 13.0 21 280 707   84   1        29 270
27  48  27  38 -13  27   0 0.00  0.0    0  9.6 21 310 687   82   2        25 310
28  47  27  37 -14  28   0 0.00  0.0    0  8.4 18  40 754   89   1        24  10
29  62  32  47  -4  18   0 0.00  0.0    0 15.5 25 190 804   95   1        36 180
30  74  39  57   5   8   0 0.00  0.0    0 17.8 30 130 636   75   0        39 120
================================================================================
SM 1662  937       643   0  2.68     7.6 372.7        13460    107
================================================================================
AV 55.4 31.2                              12.9 FASTST  PSBL  %   4    MAX(MPH)
                                 MISC ---->  # 38 190               # 51  190
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

- COLUMN 17 PEAK WIND IN M.P.H.
- PRECIPITATION IN COLUMNS 7, 8, AND 9 ARE THE OFFICAL PRECIPITATION
  FOR SIOUX FALLS, SOUTH DAKOTA.
- 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:     2008
                                          LATITUDE:   43 34 N
                                          LONGITUDE:  96 44 W

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

AVERAGE MONTHLY: 43.3   TOTAL FOR MONTH:   2.68    1 = FOG OR MIST
DPTR FM NORMAL:  -2.4   DPTR FM NORMAL:    0.03    2 = FOG REDUCING VISIBILITY
HIGHEST:    78 ON 23    GRTST 24HR  1.54 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     19 ON 14                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.6 INCHES  5 = HAIL
                        GRTST 24HR   3.5 ON 25     6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   4 ON  1     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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:  19    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   643    CLEAR  (SCALE 0-3)  16
DPTR FM NORMAL    75    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  7647    CLOUDY (SCALE 8-10)  3
DPTR FM NORMAL   135

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL    -5    [PRESSURE DATA]
TOTAL FM JAN 1     0    HIGHEST SLP 30.27 ON 27
DPTR FM NORMAL    -5    LOWEST  SLP 29.32 ON 16

[REMARKS]

RECORD DAILY MAXIMUM SNOWFALL (COLUMN 8), WAS ESTABLISHED ON THE 25TH
  WITH 3.5 INCHES.

#FINAL-04-08#