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
CXUS53 KMPX 012110
CF6MSP

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

                                          STATION:   TWIN CITIES MN
                                          MONTH:     APRIL
                                          YEAR:      2009
                                          LATITUDE:   44 52 N
                                          LONGITUDE:  93 13 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  37  33  35  -5  30   0 0.08  0.6    1 12.3 24 280   M    M   9 1      32 270
 2  45  30  38  -2  27   0 0.00  0.0    0  9.2 17 290   M    M   5        22 280
 3  48  26  37  -4  28   0 0.00  0.0    0  5.9 13 290   M    M   4        17 310
 4  46  27  37  -4  28   0 0.30  1.0    0  5.8 16  20   M    M   8 1      23  40
 5  45  32  39  -3  26   0 0.09  0.9    2 14.0 24 350   M    M   8 18     30 360
 6  45  29  37  -5  28   0 0.00  0.0    0 16.2 28 330   M    M   4        37 330
 7  49  26  38  -5  27   0 0.00  0.0    0  7.5 17 280   M    M   3        22 270
 8  52  30  41  -2  24   0 0.00  0.0    0 10.2 23 320   M    M   3        31 310
 9  54  30  42  -2  23   0 0.00  0.0    0  8.4 15  10   M    M   2        29  30
10  54  31  43  -1  22   0 0.00  0.0    0   M  18  40   M    M   5         M  M
11  56  34  45   0  20   0 0.00  0.0    0  8.3 14 100   M    M   2        18 110
12  59  38  49   4  16   0 0.00  0.0    0  8.8 20 150   M    M   8        25 150
13  58  43  51   6  14   0 0.00  0.0    0  6.7 14  60   M    M  10        18  50
14  65  36  51   5  14   0 0.00  0.0    0  3.9 14 350   M    M   1        24  30
15  67  41  54   8  11   0 0.00  0.0    0  7.6 17 100   M    M   2        24 100
16  71  44  58  11   7   0 0.00  0.0    0  9.0 20 150   M    M   6        25 150
17  73  55  64  17   1   0 0.00  0.0    0  4.9 15 220   M    M   8        21 210
18  66  48  57   9   8   0    T  0.0    0  9.2 17 360   M    M   9        24  20
19  51  40  46  -2  19   0 0.06  0.0    0  8.4 15  10   M    M   9        26  10
20  49  40  45  -4  20   0 0.06  0.0    0 14.5 28 310   M    M  10 4      38 320
21  60  37  49   0  16   0    T  0.0    0 16.7 31 340   M    M   4        41 330
22  61  40  51   1  14   0 0.00  0.0    0  9.2 18 320   M    M   3        24 330
23  85  48  67  17   0   2    T  0.0    0 17.4 29 170   M    M   5 3      36 160
24  74  45  60   9   5   0 0.00  0.0    0 12.5 28 340   M    M   6        35 340
25  56  40  48  -3  17   0    T  0.0    0 11.1 25 350   M    M   9        30 350
26  62  42  52   1  13   0 0.81  0.0    0 13.8 24 120   M    M  10 13     30 210
27  53  39  46  -6  19   0    T  0.0    0 11.5 21 280   M    M   8 1      26 310
28  62  37  50  -2  15   0 0.00  0.0    0  9.5 20 110   M    M   3        24  90
29  56  47  52  -1  13   0 0.16  0.0    0 11.3 21 110   M    M  10 18     24 110
30  63  47  55   2  10   0 0.01  0.0    0 14.0 29 270   M    M   9 18     37 270
================================================================================
SM 1722 1135       515   2  1.57     2.5 297.8          M      183
================================================================================
AV 57.4 37.8                              10.3 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->  # 31 340               # 41  330
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  TWIN CITIES MN
                                          MONTH:    APRIL
                                          YEAR:     2009
                                          LATITUDE:   44 52 N
                                          LONGITUDE:  93 13 W

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

AVERAGE MONTHLY: 47.6   TOTAL FOR MONTH:   1.57    1 = FOG OR MIST
DPTR FM NORMAL:   1.0   DPTR FM NORMAL:   -0.74    2 = FOG REDUCING VISIBILITY
HIGHEST:    85 ON 23    GRTST 24HR  0.81 ON 26-26      TO 1/4 MILE OR LESS
LOWEST:     26 ON  7, 3                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   2.5 INCHES  5 = HAIL
                        GRTST 24HR   1.0 ON  4- 4  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 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:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   9    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   515    CLEAR  (SCALE 0-3)   8
DPTR FM NORMAL   -45    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  7542    CLOUDY (SCALE 8-10) 12
DPTR FM NORMAL   -68

[CDD (BASE 65) ]
TOTAL THIS MO.     2
DPTR FM NORMAL    -2    [PRESSURE DATA]
TOTAL FM JAN 1     2    HIGHEST SLP 30.48 ON 28
DPTR FM NORMAL    -2    LOWEST  SLP 29.28 ON  1

[REMARKS]
THE ASOS PRECIPITATION VALUE ON APRIL 1ST WAS FOUND TO BE UNREPRESENTATIVE
AND WAS REPLACED WITH THE MANUAL PRECIPITATION VALUE RECORDED WITH AN 8
INCH STANDARD RAIN GAGE.
#FINAL-04-09#