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 212007
CF6RST
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCHESTER MN
                                          MONTH:     MAY
                                          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  59  40  50  -1  15   0 0.00  0.0    0 14.0 24 310   M    M   3        31 310
 2  64  35  50  -2  15   0 0.00  0.0    0 12.5 25 310   M    M   1        38 290
 3  68  40  54   2  11   0 0.00  0.0    0  9.5 18 310   M    M   1        30 290
 4  74  43  59   6   6   0 0.00  0.0    0  8.2 20 160   M    M   1        25 170
 5  70  50  60   7   5   0 0.31  0.0    0 15.3 28 210   M    M   4 138    35 200
 6  65  51  58   5   7   0 0.36  0.0    0  9.9 25 190   M    M   2 138    31 190
 7  71  49  60   6   5   0 0.10  0.0    0 12.0 23 220   M    M   1        29 220
 8  71  47  59   5   6   0 0.40  0.0    0  7.1 21 320   M    M   4 1      24 320
 9  56  42  49  -5  16   0 0.12  0.0    0 14.3 23 310   M    M   6 1      29 320
10  55  38  47  -8  18   0 0.00  0.0    0 10.6 23 330   M    M   4        28 320
11  65  37  51  -4  14   0 0.00  0.0    0  5.9 15 260   M    M   1 8      20 280
12  71  48  60   4   5   0 0.05  0.0    0 21.1 39 170   M    M   2 1      51 180
13  69  50  60   4   5   0 0.23  0.0    0 16.0 30 300   M    M   7 138    39 300
14  63  44  54  -2  11   0 0.00  0.0    0 14.9 32 300   M    M   2        38 300
15  66  46  56  -1   9   0 0.35  0.0    0 16.2 35 310   M    M   5 1      40 300
16  56  37  47 -10  18   0 0.00  0.0    0 20.2 33 310   M    M   3        41 310
17  63  35  49  -8  16   0 0.00  0.0    0  7.8 17 220   M    M   1        23 310
18  76  50  63   5   2   0 0.00  0.0    0 20.6 39 190   M    M   2 8      49 190
19  94  59  77  19   0  12 0.00  0.0    0 20.1 31 200   M    M   0 8      37 190
20  90  63  77  19   0  12 0.00  0.0    0 28.8 43 200   M    M   0 78     55 200
21  69  57  63   4   2   0    T  0.0    0 10.9 28 200   M    M   3        35 210
22  68  52  60   1   5   0 0.00  0.0    0  8.4 15 170   M    M   4        18 160
23  71  54  63   4   2   0 0.05  0.0    0  5.3 10  10   M    M   3 18     13 360
24  74  44  59  -1   6   0 0.00  0.0    0  7.5 14  60   M    M   0        20  60
25  73  49  61   1   4   0    T  0.0    0 15.6 24 130   M    M   1        30 130
26  60  52  56  -5   9   0 0.45  0.0    0  9.6 22 130   M    M   9 18     28 130
27  56  50  53  -8  12   0 1.43  0.0    0 12.9 21  30   M    M  10 1      25  30
28  73  49  61   0   4   0    T  0.0    0  7.7 15 330   M    M   6 1      20 310
29  74  55  65   3   0   0    T  0.0    0  9.6 21 330   M    M   4        25 330
30  71  50  61  -1   4   0 0.02  0.0    0 13.3 26 320   M    M   2        31 320
31  79  44  62   0   3   0    T  0.0    0 11.9 28 210   M    M   1        36 210
================================================================================
SM 2134 1460       235  24  3.87     0.0 397.7          M       93
================================================================================
AV 68.8 47.1                              12.8 FASTST   M    M   3    MAX(MPH)
                                 MISC ---->  # 43 200               # 55  200
================================================================================
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:    MAY
                                          YEAR:     2009
                                          LATITUDE:   43 55 N
                                          LONGITUDE:  92 30 W

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

AVERAGE MONTHLY: 58.0   TOTAL FOR MONTH:   3.87    1 = FOG OR MIST
DPTR FM NORMAL:   1.1   DPTR FM NORMAL:    0.34    2 = FOG REDUCING VISIBILITY
HIGHEST:    94 ON 19    GRTST 24HR  1.46 ON 26-27      TO 1/4 MILE OR LESS
LOWEST:     35 ON 17, 2                            3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   0           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:  12
MAX 90 OR ABOVE:   2    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   1

[HDD (BASE 65) ]
TOTAL THIS MO.   235    CLEAR  (SCALE 0-3)  18
DPTR FM NORMAL   -46    PTCLDY (SCALE 4-7)  11
TOTAL FM JUL 1  7891    CLOUDY (SCALE 8-10)  2
DPTR FM NORMAL  -352

[CDD (BASE 65) ]
TOTAL THIS MO.    24
DPTR FM NORMAL    -6    [PRESSURE DATA]
TOTAL FM JAN 1    28    HIGHEST SLP 30.40 ON 17
DPTR FM NORMAL    -3    LOWEST  SLP 29.52 ON 13

[REMARKS]
#FINAL-05-09#