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 KARX 010930
CF6RST
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCHESTER MN
                                          MONTH:     APRIL
                                          YEAR:      2009
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 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  39  30  35  -3  30   0    T    T    0 19.0 29 260   M    M   8 1      36 240
 2  46  26  36  -3  29   0 0.00  0.0    0  9.5 17 330   M    M   0        28 330
 3  49  24  37  -2  28   0 0.00  0.0    0  9.4 17 310   M    M   0 1      23 350
 4  47  29  38  -2  27   0 0.00  0.0    0  9.8 25  30   M    M   3        31  30
 5  40  31  36  -4  29   0 0.06  0.6    T 18.5 30  20   M    M   7 1      35  30
 6  43  29  36  -4  29   0 0.00  0.0    0 18.2 31 330   M    M   4        39 340
 7  48  25  37  -4  28   0 0.00  0.0    0 12.2 23 310   M    M   0        28 280
 8  51  28  40  -1  25   0 0.00  0.0    0 12.9 24 340   M    M   3 8      35 320
 9  54  27  41  -1  24   0 0.00  0.0    0  8.3 15  40   M    M   0        18  40
10  53  32  43   1  22   0 0.00  0.0    0 10.8 18  10   M    M   0        24  10
11  58  30  44   1  21   0 0.00  0.0    0  6.9 13 130   M    M   0        17 120
12  58  30  44   1  21   0 0.00  0.0    0 10.7 21 130   M    M   0        26 110
13  52  39  46   2  19   0 0.00  0.0    0 11.1 23  30   M    M   3        31  30
14  64  37  51   7  14   0 0.00  0.0    0  8.3 16  30   M    M   4        22  40
15  67  31  49   4  16   0 0.00  0.0    0  8.4 15 130   M    M   0        21 120
16  71  34  53   8  12   0 0.00  0.0    0 10.2 22 150   M    M   0        29 150
17  74  35  55  10  10   0 0.00  0.0    0  7.4 16 200   M    M   0        21 210
18  73  43  58  12   7   0 0.16  0.0    0  7.2 18 200   M    M   3 1      23 190
19  51  35  43  -3  22   0 0.05  0.0    0 12.0 22 350   M    M   8 1      26 340
20  47  32  40  -7  25   0 0.01  0.0    0 17.3 35 330   M    M   8 128    44 330
21  57  36  47   0  18   0 0.00  0.0    0 20.6 38 330   M    M   4        45 340
22  62  37  50   2  15   0 0.00  0.0    0 11.5 20 320   M    M   1        24 320
23  80  46  63  15   2   0    T  0.0    0 21.4 33 190   M    M   0        41 190
24  92  45  69  21   0   4 0.17  0.0    0 19.3 30 280   M    M   1 13     44 250
25  53  41  47  -2  18   0 0.52  0.0    0 13.7 26 350   M    M   8 13     30 360
26  62  42  52   3  13   0 0.79  0.0    0 13.7 25 220   M    M  10 13     37 210
27  59  39  49  -1  16   0 0.21  0.0    0 12.9 24 190   M    M   7 1      32 180
28  61  34  48  -2  17   0 0.00  0.0    0 10.3 20 110   M    M   0        26 100
29  60  39  50  -1  15   0 0.08  0.0    0 13.7 22 140   M    M   5 1      28 140
30  65  45  55   4  10   0 0.04  0.0    0 13.3 29 300   M    M   8 12     37 300
================================================================================
SM 1736 1031       562   4  2.09     0.6 378.5          M       95
================================================================================
AV 57.9 34.4                              12.6 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 38 330               # 45  340
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:  ROCHESTER MN
                                          MONTH:    APRIL
                                          YEAR:     2009
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY: 46.1   TOTAL FOR MONTH:   2.09    1 = FOG OR MIST
DPTR FM NORMAL:   1.4   DPTR FM NORMAL:   -0.92    2 = FOG REDUCING VISIBILITY
HIGHEST:    92 ON 24    GRTST 24HR  0.91 ON 26-27      TO 1/4 MILE OR LESS
LOWEST:     24 ON  3                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.6 INCH    5 = HAIL
                        GRTST 24HR   0.6 ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   T           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:  10
MAX 90 OR ABOVE:   1    0.10 INCH OR MORE:   5
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.   562    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL   -47    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1  7656    CLOUDY (SCALE 8-10)  4
DPTR FM NORMAL  -306

[CDD (BASE 65) ]
TOTAL THIS MO.     4
DPTR FM NORMAL     3    [PRESSURE DATA]
TOTAL FM JAN 1     4    HIGHEST SLP 30.46 ON 28
DPTR FM NORMAL     3    LOWEST  SLP 29.32 ON  1

[REMARKS]
#FINAL-04-09#