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 081418
CF6FSD

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

                                          STATION:   SIOUX FALLS SD
                                          MONTH:     APRIL
                                          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  40  24  32  -7  33   0    T    T    T 13.6 23 290 462   60   5        31 280
 2  49  23  36  -4  29   0 0.00  0.0    0  5.8 14 350 689   90   0        18 330
 3  56  21  39  -1  26   0    T  0.0    0 10.4 21  80 673   87   3        31 130
 4  39  32  36  -5  29   0 0.68  5.9    0 20.4 31  50   0    0   8 149    37  40
 5  36  24  30 -11  35   0 0.06  0.6    5 22.0 31 330 232   30   7 9      39 340
 6  37  21  29 -13  36   0 0.00  0.0    2 17.3 28 330 751   96   1        32 340
 7  42  18  30 -12  35   0 0.00  0.0    1  5.8 13 330 738   94   0        17 200
 8  54  29  42  -1  23   0 0.00  0.0    0  8.6 17 340 733   93   1        22 340
 9  49  27  38  -5  27   0 0.00  0.0    0 12.3 21  40 714   90   0        26  80
10  50  28  39  -4  26   0 0.00  0.0    0  7.5 14  50 684   86   0         M  M
11  61  23  42  -2  23   0 0.00  0.0    0  8.7 20 190 720   91   0        28 150
12  55  39  47   3  18   0 0.00  0.0    0 10.3 18 150  64    8   1        25 150
13  60  37  49   4  16   0 0.00  0.0    0  4.3 15  40 384   48   4        17  60
14  66  28  47   2  18   0 0.00  0.0    0  6.4 16 150 770   96   0        25 120
15  65  35  50   4  15   0 0.02  0.0    0 11.6 28 150 310   38   1        35 160
16  66  50  58  12   7   0    T  0.0    0 14.6 24 150 245   30   4        30 140
17  71  44  58  12   7   0 0.00  0.0    0  4.8 13 100 417   51   3        15 100
18  55  40  48   1  17   0 0.21  0.0    0 11.8 21  40   0    0   7 1      24  30
19  60  38  49   2  16   0 0.04  0.0    0 12.0 21 320 430   53   6        26 330
20  55  38  47  -1  18   0 0.00  0.0    0 18.5 33 350 641   78   4        45 340
21  65  34  50   2  15   0 0.00  0.0    0  6.4 21 320 375   46   5        26 310
22  78  33  56   8   9   0    T  0.0    0  8.5 24  60 682   83   1 3      32 150
23  91  56  74  25   0   9 0.00  0.0    0 14.7 31 190 781   94   0        40 200
24  71  38  55   6  10   0 0.00  0.0    0 15.1 31 350 367   44   1 8      36 350
25  55  34  45  -5  20   0 0.15  0.1    0 13.1 28 360 119   14   6 1      35  20
26  52  43  48  -2  17   0 0.25  0.0    0 12.3 28 100   0    0  10 13     33 110
27  50  34  42  -9  23   0    T  0.0    0 13.4 23 350 345   41   8        28 360
28  59  29  44  -7  21   0    T  0.0    0 10.6 22 130 428   51   6 1      28 140
29  58  49  54   3  11   0 0.53  0.0    0 13.5 23 140   0    0  10 13     32 140
30  60  44  52   0  13   0 0.01  0.0    0 14.9 30 320 528   62   5 1      40 320
================================================================================
SM 1705 1013       593   9  1.95     6.6 349.2        13282    107
================================================================================
AV 56.8 33.8                              11.6 FASTST  443  55   4    MAX(MPH)
                                 MISC ---->  # 33 350               # 45  340
================================================================================
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:    APRIL
                                          YEAR:     2009
                                          LATITUDE:   43 34 N
                                          LONGITUDE:  96 44 W

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

AVERAGE MONTHLY: 45.3   TOTAL FOR MONTH:   1.95    1 = FOG OR MIST
DPTR FM NORMAL:  -0.4   DPTR FM NORMAL:   -0.70    2 = FOG REDUCING VISIBILITY
HIGHEST:    91 ON 23    GRTST 24HR  0.68 ON  4- 4      TO 1/4 MILE OR LESS
LOWEST:     18 ON  7                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   6.6 INCHES  5 = HAIL
                        GRTST 24HR   5.9 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   5 ON  5     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:   1    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:  13    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   593    CLEAR  (SCALE 0-3)  15
DPTR FM NORMAL    25    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1  7319    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -193

[CDD (BASE 65) ]
TOTAL THIS MO.     9
DPTR FM NORMAL     4    [PRESSURE DATA]
TOTAL FM JAN 1     9    HIGHEST SLP 30.42 ON 28
DPTR FM NORMAL     4    LOWEST  SLP 29.44 ON 23

[REMARKS]

23RD - NEW RECORD HIGH TEMPERATURE 91 DEGREES (PREVIOUS 87 IN 1939)
#FINAL-04-09#